at.atmosynth.patch
Schema Diff
+57 -12
Compatibility Analysis
Breaking Changes Detected
4 breaking changes, 16 non-breaking changes.
Breaking Changes (4)
- RequiredEdgeAdded RequiredEdgeAdded { vertex_id: "at.atmosynth.patch#lineage", src: "at.atmosynth.patch#lineage", tgt: "at.atmosynth.patch#lineage.relation", kind: "prop", name: Some("relation") }
- RemovedVertex RemovedVertex { vertex_id: "at.atmosynth.patch:body.forkedFrom" }
- RemovedEdge RemovedEdge { src: "at.atmosynth.patch:body", tgt: "at.atmosynth.patch:body.forkedFrom", kind: "prop", name: Some("forkedFrom") }
- RemovedEdge RemovedEdge { src: "at.atmosynth.patch:body.forkedFrom", tgt: "at.atmosynth.patch#lineage", kind: "ref", name: None }
Non-Breaking Changes (16)
- AddedVertex AddedVertex { vertex_id: "at.atmosynth.patch#alternatePattern.sixteenths" }
- AddedVertex AddedVertex { vertex_id: "at.atmosynth.patch#lane.sixteenths" }
- AddedVertex AddedVertex { vertex_id: "at.atmosynth.patch#lineage.relation" }
- AddedVertex AddedVertex { vertex_id: "at.atmosynth.patch#notePattern.sixteenths" }
- AddedVertex AddedVertex { vertex_id: "at.atmosynth.patch#sampleSlotFill.name" }
- AddedVertex AddedVertex { vertex_id: "at.atmosynth.patch:body.concertPitch" }
- AddedVertex AddedVertex { vertex_id: "at.atmosynth.patch:body.lineage" }
- AddedVertex AddedVertex { vertex_id: "at.atmosynth.patch:body.lineage:items" }
- AddedEdge AddedEdge { src: "at.atmosynth.patch#alternatePattern", tgt: "at.atmosynth.patch#alternatePattern.sixteenths", kind: "prop", name: Some("sixteenths") }
- AddedEdge AddedEdge { src: "at.atmosynth.patch#lane", tgt: "at.atmosynth.patch#lane.sixteenths", kind: "prop", name: Some("sixteenths") }
- AddedEdge AddedEdge { src: "at.atmosynth.patch#notePattern", tgt: "at.atmosynth.patch#notePattern.sixteenths", kind: "prop", name: Some("sixteenths") }
- AddedEdge AddedEdge { src: "at.atmosynth.patch#sampleSlotFill", tgt: "at.atmosynth.patch#sampleSlotFill.name", kind: "prop", name: Some("name") }
- AddedEdge AddedEdge { src: "at.atmosynth.patch:body", tgt: "at.atmosynth.patch:body.concertPitch", kind: "prop", name: Some("concertPitch") }
- AddedEdge AddedEdge { src: "at.atmosynth.patch:body", tgt: "at.atmosynth.patch:body.lineage", kind: "prop", name: Some("lineage") }
- AddedEdge AddedEdge { src: "at.atmosynth.patch:body.lineage", tgt: "at.atmosynth.patch:body.lineage:items", kind: "items", name: None }
- AddedEdge AddedEdge { src: "at.atmosynth.patch:body.lineage:items", tgt: "at.atmosynth.patch#lineage", kind: "ref", name: None }
Migration Guidance
Removed Elements
RemovedVertex { vertex_id: "at.atmosynth.patch:body.forkedFrom" }
Added Elements
AddedVertex { vertex_id: "at.atmosynth.patch#alternatePattern.sixteenths" }AddedVertex { vertex_id: "at.atmosynth.patch#lane.sixteenths" }AddedVertex { vertex_id: "at.atmosynth.patch#lineage.relation" }AddedVertex { vertex_id: "at.atmosynth.patch#notePattern.sixteenths" }AddedVertex { vertex_id: "at.atmosynth.patch#sampleSlotFill.name" }AddedVertex { vertex_id: "at.atmosynth.patch:body.concertPitch" }AddedVertex { vertex_id: "at.atmosynth.patch:body.lineage" }AddedVertex { vertex_id: "at.atmosynth.patch:body.lineage:items" }
Additional Notes
- Breaking: RequiredEdgeAdded { vertex_id: "at.atmosynth.patch#lineage", src: "at.atmosynth.patch#lineage", tgt: "at.atmosynth.patch#lineage.relation", kind: "prop", name: Some("relation") }
- Breaking: RemovedEdge { src: "at.atmosynth.patch:body", tgt: "at.atmosynth.patch:body.forkedFrom", kind: "prop", name: Some("forkedFrom") }
- Breaking: RemovedEdge { src: "at.atmosynth.patch:body.forkedFrom", tgt: "at.atmosynth.patch#lineage", kind: "ref", name: None }
- Non-breaking: AddedEdge { src: "at.atmosynth.patch#alternatePattern", tgt: "at.atmosynth.patch#alternatePattern.sixteenths", kind: "prop", name: Some("sixteenths") }
- Non-breaking: AddedEdge { src: "at.atmosynth.patch#lane", tgt: "at.atmosynth.patch#lane.sixteenths", kind: "prop", name: Some("sixteenths") }
- Non-breaking: AddedEdge { src: "at.atmosynth.patch#notePattern", tgt: "at.atmosynth.patch#notePattern.sixteenths", kind: "prop", name: Some("sixteenths") }
- Non-breaking: AddedEdge { src: "at.atmosynth.patch#sampleSlotFill", tgt: "at.atmosynth.patch#sampleSlotFill.name", kind: "prop", name: Some("name") }
- Non-breaking: AddedEdge { src: "at.atmosynth.patch:body", tgt: "at.atmosynth.patch:body.concertPitch", kind: "prop", name: Some("concertPitch") }
- Non-breaking: AddedEdge { src: "at.atmosynth.patch:body", tgt: "at.atmosynth.patch:body.lineage", kind: "prop", name: Some("lineage") }
- Non-breaking: AddedEdge { src: "at.atmosynth.patch:body.lineage", tgt: "at.atmosynth.patch:body.lineage:items", kind: "items", name: None }
- Non-breaking: AddedEdge { src: "at.atmosynth.patch:body.lineage:items", tgt: "at.atmosynth.patch#lineage", kind: "ref", name: None }
1
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{
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2
"$type": "com.atproto.lexicon.schema",
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3
"defs": {
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"alternatePattern": {
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"description": "One of the loops after the first on a sequencer. It has its own length and its own notes, and shares the grid written beside the first.",
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6
"properties": {
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"bars": {
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-
"description": "How long this loop is, in bars of the patch's time signature.",
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+
"description": "How long this loop is, in bars of the patch's time signature. Where `sixteenths` is present it is the length and this is the whole bars that covers, rounded up.",
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"maximum": 8,
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"minimum": 1,
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"type": "integer"
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},
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"events": {
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"description": "The notes in this loop.",
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"items": {
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"ref": "#noteEvent",
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"type": "ref"
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},
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"maxLength": 2048,
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"type": "array"
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},
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"name": {
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"description": "What the creator called this loop. Optional permanently: a loop that says nothing is called by its place.",
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"maxGraphemes": 32,
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"maxLength": 320,
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"minLength": 1,
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"type": "string"
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},
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+
"sixteenths": {
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"description": "How long this loop is, in sixteenth notes, where it is not a whole number of bars. It keeps its length when the time signature changes. Optional permanently: absent is `bars` of the patch's bar.",
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"maximum": 2048,
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+
"minimum": 1,
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"type": "integer"
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}
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},
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"required": [
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"bars"
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],
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"type": "object"
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},
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"connection": {
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"description": "An audio connection between two module instances, naming the declared ports at each end.",
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"properties": {
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"from": {
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"ref": "#outputRef",
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"type": "ref"
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},
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"to": {
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"ref": "#inputRef",
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"type": "ref"
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}
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},
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"required": [
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"from",
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"to"
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],
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"type": "object"
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},
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"glide": {
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"description": "How one sequencer's notes slide into one another. Its presence is the switch: an instance carrying it slides, and one carrying nothing does not. The speed is written one of two ways, and which field is present says which — a duration, or a note value at the player's tempo, so a slide that is a sixteenth long stays a sixteenth when the song is played faster. A slide moves one note to the next, so a loop with a glide plays one note at a time.",
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"properties": {
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"fromLast": {
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"description": "Whether a note struck after a rest slides in from the note before it. Absent is yes, so every note of the loop slides; false is fingered portamento, where only a note held over the next one slides into it and a note after a rest starts where it means to.",
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"type": "boolean"
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},
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"ms": {
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"description": "How long a note takes to reach the next, in milliseconds.",
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"maximum": 5000,
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"minimum": 1,
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"type": "integer"
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},
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"rate": {
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"description": "Or: how long, as a note value at the tempo. The same vocabulary the grid is written in.",
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"knownValues": [
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"bar",
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"1/2",
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"1/4",
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"1/8",
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"1/16",
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"1/32",
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"1/64",
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"1/128"
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],
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"type": "string"
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}
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},
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"type": "object"
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},
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"inputRef": {
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"properties": {
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"audioInput": {
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"maxLength": 64,
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"minLength": 1,
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"type": "string"
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},
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"instanceId": {
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"maxLength": 64,
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"minLength": 1,
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"type": "string"
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}
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},
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"required": [
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"instanceId",
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"audioInput"
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],
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"type": "object"
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},
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"inputRoute": {
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"description": "One note source wired into the input of a sequencer or a note range. Notes arriving at a sequencer's are what it records, and what it passes on to the instances it plays unless its instance says `thru: false`; notes arriving at a note range's are passed on where they fall inside its range.",
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"properties": {
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"from": {
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"description": "The note output these notes leave: a keyboard's, a sequencer's or a note range's.",
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"ref": "#noteOutputRef",
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"type": "ref"
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},
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"instanceId": {
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"description": "The sequencer or the note range, at its input.",
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"maxLength": 64,
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"minLength": 1,
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"type": "string"
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}
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},
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"required": [
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"from",
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"instanceId"
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],
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"type": "object"
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},
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"lane": {
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"description": "One automation lane: a line drawn over a whole number of bars, counted from the downbeat the loops share and going round at its own length, so a point in bar 3 of a four-bar lane is heard in bar 3 of every four.",
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"description": "One automation lane: a line drawn over a whole number of bars, or of sixteenths where it says so, counted from the downbeat the loops share and going round at its own length, so a point in bar 3 of a four-bar lane is heard in bar 3 of every four.",
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"properties": {
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"bars": {
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"description": "How long this lane is, in bars of the patch's time signature.",
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"description": "How long this lane is, in bars of the patch's time signature. Where `sixteenths` is present it is the length and this is the whole bars that covers, rounded up.",
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"maximum": 64,
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"minimum": 1,
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"type": "integer"
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},
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"name": {
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"description": "What the creator called this lane. Optional permanently: a lane that says nothing is called by its place.",
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"maxGraphemes": 32,
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"maxLength": 320,
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"minLength": 1,
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"type": "string"
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},
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"points": {
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"description": "The points, in order of `at`, one to a tick. Before the first point the lane is at the first point's value and after the last at the last's; a lane with no points is at nothing.",
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"items": {
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"ref": "#lanePoint",
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"type": "ref"
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},
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"maxLength": 512,
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"type": "array"
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},
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"resolution": {
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"description": "The grid this lane's points are drawn and snapped to. It is a guide and not a part of what is played: changing it moves no point already written. Optional permanently: absent is sixteenths.",
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"ref": "#resolution",
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"type": "ref"
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},
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"sixteenths": {
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"description": "How long this lane is, in sixteenth notes, where it is not a whole number of bars. It keeps its length when the time signature changes. Optional permanently: absent is `bars` of the patch's bar.",
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"maximum": 16384,
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"minimum": 1,
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"type": "integer"
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}
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},
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"required": [
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"bars"
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],
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"type": "object"
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},
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"lanePoint": {
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"description": "One point of an automation lane: a value at a moment.",
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"properties": {
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"at": {
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"description": "The tick of the lane this point is at, counted from its start at 96 ticks to the beat, and less than the lane's length.",
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"minimum": 0,
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"type": "integer"
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},
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"hold": {
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"description": "Whether the value is held until the next point, which is jumped to, rather than travelled to in a straight line. Optional permanently: absent is a straight line, and only `true` is written.",
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"type": "boolean"
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},
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"value": {
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"description": "The value here, a number from 0 to 1 written as its decimal text, as every number in this description that need not be whole is.",
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"type": "string"
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}
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},
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"required": [
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"at",
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"value"
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],
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"type": "object"
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},
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"lineage": {
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"description": "The patch this one was forked from, and its creator. Preserved even when the source is later deleted.",
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"description": "One patch this one came from, how, and its creator. Preserved even when that patch is later deleted, because it is written here and not there.",
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"properties": {
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"creatorDid": {
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"format": "did",
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"type": "string"
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},
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"patchId": {
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"maxLength": 128,
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"type": "string"
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},
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"relation": {
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"description": "`fork`: this patch began as a copy of that one, and a patch is forked from one at most. `import`: that patch was put inside this one, each patch named once however often it was. A reader meeting another value still has a parent, and should say only that this patch came from it.",
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"knownValues": [
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"fork",
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"import"
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],
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"maxLength": 32,
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"type": "string"
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},
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"uri": {
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"format": "at-uri",
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"type": "string"
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}
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},
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"required": [
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"relation",
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"uri",
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"creatorDid"
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],
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"type": "object"
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},
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"main": {
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"description": "A patch, held in its creator's own repository.",
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"key": "tid",
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"record": {
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"properties": {
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"concertPitch": {
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"description": "The frequency A4 sounds at in this patch, in hertz, from 380 to 500, written as its decimal text — \"432\", \"415.3\" — as every number in this description that need not be whole is. Every note's frequency is tuned against it, which is what an oscillator a module does not drive itself and a module's note signal play at. A sample is not retuned: its own reference pitch is a note rather than a frequency, and it plays as recorded. Optional permanently: a patch that says nothing is tuned to 440, which is what every patch written before the field existed says.",
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"maxLength": 32,
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"type": "string"
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},
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"connections": {
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"items": {
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"ref": "#connection",
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"type": "ref"
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},
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"type": "array"
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},
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"createdAt": {
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"format": "datetime",
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"type": "string"
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},
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"description": {
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"maxLength": 3000,
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"type": "string"
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},
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"descriptionVersion": {
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"description": "Version of the patch description this record follows.",
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"minimum": 1,
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"type": "integer"
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},
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"forkedFrom": {
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"ref": "#lineage",
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"type": "ref"
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},
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"inputRouting": {
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"description": "What reaches the input of each sequencer, each note range, each transpose, each pitch assignment and each one-shot: which note sources a sequencer hears, to record from and — unless it says otherwise (`thru`) — to pass on to whatever it plays; which a note range hears, to pass on what falls inside its range (`noteRange`); which a transpose or a pitch assignment hears, to pass on at another pitch (`transpose`, `assignedNote`); and which a one-shot hears, to pass on lasting one length (`noteLength`). A sequencer with nothing wired here records nothing, and the others pass nothing on. Optional permanently: a patch that says nothing has nothing wired into any of them, which is what every patch written before the input existed says.",
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"items": {
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"ref": "#inputRoute",
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"type": "ref"
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},
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"type": "array"
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},
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"lineage": {
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"description": "The patches this one came from: the one it was forked from, if it was, and every one imported into it. Only the direct ones — each of those names its own — so the whole of where a patch came from is read by following these upward. The modules it pins and the samples it fills are not repeated here: they are already in its instances. Optional permanently: a patch that says nothing came from nothing but its modules. A patch written before this field existed may say its fork as `forkedFrom` instead, `{uri, creatorDid, patchId?}`, which a reader treats as a lineage of relation `fork`; it is never written again.",
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"items": {
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"ref": "#lineage",
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+
"type": "ref"
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},
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"maxLength": 64,
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+
"type": "array"
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},
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"midiRouting": {
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"description": "The note plane: which note inputs receive note events, and from which note source — a sequencer, or the player's keys and MIDI devices. \"MIDI\" is the historical name; what travels here is notes, whatever produced them.",
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"items": {
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"ref": "#midiRoute",
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"type": "ref"
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},
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"type": "array"
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},
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"moduleInstances": {
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"items": {
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"ref": "#moduleInstance",
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"type": "ref"
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},
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"type": "array"
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},
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"name": {
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"maxLength": 200,
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"minLength": 1,
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"type": "string"
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},
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"output": {
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"description": "Which instance reaches the audio output.",
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"ref": "#outputRef",
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"type": "ref"
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},
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"patternRouting": {
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"description": "The song plane: which sequencers and automation blocks each arranger or scenes block chooses the loops or lanes of. A sequencer or an automation block has one pattern input, so it appears here at most once. Optional permanently: a patch that says nothing has no arranger in it, and every sequencer plays the loop it names as active and every automation block the lane.",
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"items": {
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"ref": "#patternRoute",
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"type": "ref"
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},
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"type": "array"
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},
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"tags": {
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"description": "Freely created tags, lower-cased on write so one hashtag matches one set of patches.",
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"items": {
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"maxLength": 128,
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"type": "string"
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},
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"type": "array"
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},
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"tempo": {
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"description": "The tempo this patch was written at, in beats per minute, a beat being a quarter note whatever the time signature says. It is what a sequenced patch counts its bars against, so a patch that plays itself arrives at the speed its creator meant. It seeds the player's own tempo rather than replacing it: how fast a visitor plays is still theirs, and moving it moves everything counting against it. Optional permanently — a patch that says nothing is played at whatever tempo the player already had.",
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"maximum": 300,
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"minimum": 20,
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"type": "integer"
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},
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"timeSignature": {
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"description": "How many of which note one bar of this patch is. Every length here counted in bars — a loop, a section, an automation lane — is counted in this bar, so a loop of four bars is twelve beats in 3/4. Optional permanently: a patch that says nothing is in 4/4, which is what every patch written before the field existed says.",
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"ref": "#timeSignature",
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"type": "ref"
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},
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"types": {
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"description": "Zero or more of the ten fixed types. A patch may carry several.",
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"items": {
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"knownValues": [
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"Lead",
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"Pad",
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"Bass",
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"Plucked",
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"Percussion",
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"Keys",
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"Brass",
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"Strings",
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"Vocal",
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"SFX"
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],
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"type": "string"
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},
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"type": "array"
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}
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},
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"required": [
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"descriptionVersion",
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"name",
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"description",
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"moduleInstances",
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"createdAt"
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],
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"type": "object"
321
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},
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"type": "record"
323
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},
324
356
"midiControl": {
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"description": "One MIDI control change bound to one of the module's exposed parameters. The controller's 0 to 127 sweeps the parameter across the range the module declares — along the parameter's scale, so a logarithmic one moves by equal ratios — or across the part of it this binding names with from and to; where the module declares a closed value set instead, it sweeps across those values in order. A control is read from every input on every channel, like every other MIDI message here: there is nothing to configure.",
326
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"properties": {
327
359
"controller": {
328
360
"description": "The control change number. Five are spoken for by MIDI itself and cannot be bound: 64, the sustain pedal, and 6, 38, 100 and 101, which carry registered-parameter traffic.",
329
361
"maximum": 127,
330
362
"minimum": 0,
331
363
"type": "integer"
332
364
},
333
365
"from": {
334
366
"description": "The value the control reaches at 0, in the parameter's own units and as its decimal form. Given with to or not at all; neither is the parameter's whole declared range. A value outside that range is read as the nearer end of it.",
335
367
"maxLength": 200,
336
368
"type": "string"
337
369
},
338
370
"parameter": {
339
371
"description": "The id of the exposed parameter this control moves. One parameter is moved by at most one controller; one controller may move several parameters.",
340
372
"maxLength": 64,
341
373
"minLength": 1,
342
374
"type": "string"
343
375
},
344
376
"to": {
345
377
"description": "The value the control reaches at 127, as from is at 0. It may be below from, which is a control that turns the parameter down as it is turned up.",
346
378
"maxLength": 200,
347
379
"type": "string"
348
380
}
349
381
},
350
382
"required": [
351
383
"parameter",
352
384
"controller"
353
385
],
354
386
"type": "object"
355
387
},
356
388
"midiRoute": {
357
389
"description": "Where one instance's notes come from. `instanceId` and `midiInput` name the note input they arrive at; `from` names the note output they leave. \"MIDI\" in these names is historical: a route carries note events from any note source, a sequencer as much as a MIDI device. **A route with no `from` comes from the player** — the on-screen keys, the computer keyboard and every MIDI device at once — which is what every route written before note sources existed says, and what it goes on saying.",
358
390
"properties": {
359
391
"from": {
360
392
"description": "The note output these notes leave. Absent where they come from the player.",
361
393
"ref": "#noteOutputRef",
362
394
"type": "ref"
363
395
},
364
396
"instanceId": {
365
397
"maxLength": 64,
366
398
"minLength": 1,
367
399
"type": "string"
368
400
},
369
401
"midiInput": {
370
402
"description": "The note input, one of the module's `midiInputs`, these notes arrive at. It receives note events from any note source; \"MIDI\" is the historical name.",
371
403
"maxLength": 64,
372
404
"minLength": 1,
373
405
"type": "string"
374
406
}
375
407
},
376
408
"required": [
377
409
"instanceId",
378
410
"midiInput"
379
411
],
380
412
"type": "object"
381
413
},
382
414
"moduleInstance": {
383
415
"description": "One use of one module version. A patch may use the same module more than once; each instance is separately addressable and carries its own parameter values and slot fills.",
384
416
"properties": {
385
417
"assignedNote": {
386
418
"description": "The one note this instance passes every note on at, whichever note arrived, where its module is a pitch assignment: a MIDI note number (60 is middle C). Only the pitch changes: each note still starts and stops when it did, at the strength it was played with. It lives here, in the patch, for the reason a note range does: which pitch a pad plays its sound at is a decision about this use of the module. Absent on every instance whose module is not a pitch assignment, and on one that passes every note at its own pitch.",
387
419
"maximum": 127,
388
420
"minimum": 0,
389
421
"type": "integer"
390
422
},
391
423
"enabled": {
392
424
"description": "Whether this instance does its work. An instance that is switched off makes no sound of its own, and anything reaching its audio inputs leaves its audio outputs unaltered. Optional permanently: an instance that says nothing is on, which is what every record written before this field existed says.",
393
425
"type": "boolean"
394
426
},
395
427
"glide": {
396
428
"description": "Whether the notes this instance plays slide into one another, and how. It lives here, in the patch, beside the unison and for the unison's reason: how a line slides is a decision about this use of the module, and forks with the patch. The player's own glide is a setting of their browser and says nothing about this one, so a loop written to slide slides for everyone who opens the patch, and a loop that does not is never made monophonic by the player's. Optional permanently: an instance that says nothing has no glide, which is what every record written before this field existed says.",
397
429
"ref": "#glide",
398
430
"type": "ref"
399
431
},
400
432
"instanceId": {
401
433
"maxLength": 64,
402
434
"minLength": 1,
403
435
"type": "string"
404
436
},
405
437
"lane": {
406
438
"description": "Which of `lanes` plays, counting the first as zero. Choosing a lane is an edit like choosing a sequencer's loop, so it is written here, and the patch opens on it. Optional permanently: absent is the first, and a reader plays one past the last as the last.",
407
439
"maximum": 7,
408
440
"minimum": 0,
409
441
"type": "integer"
410
442
},
411
443
"lanes": {
412
-
"description": "The automation lanes this instance holds, where its module is an automation block: each a whole number of bars of values from nothing to one, played in time with the loops. One plays at a time, as one of a sequencer's loops does, and an arranger or a scenes block wired to the block's pattern input chooses which. It lives here, in the patch, for the reason a pattern does: what is played is a decision about this use of the module. Absent on every instance whose module is not an automation block.",
444
+
"description": "The automation lanes this instance holds, where its module is an automation block: each so many bars or sixteenths of values from nothing to one, played in time with the loops. One plays at a time, as one of a sequencer's loops does, and an arranger or a scenes block wired to the block's pattern input chooses which. It lives here, in the patch, for the reason a pattern does: what is played is a decision about this use of the module. Absent on every instance whose module is not an automation block.",
413
445
"items": {
414
446
"ref": "#lane",
415
447
"type": "ref"
416
448
},
417
449
"maxLength": 8,
418
450
"type": "array"
419
451
},
420
452
"midiControls": {
421
453
"description": "Which MIDI control changes move this instance's parameters while it is played. A binding lives here, in the patch, because which knob moves what is a decision about this use of the module and not about the module.",
422
454
"items": {
423
455
"ref": "#midiControl",
424
456
"type": "ref"
425
457
},
426
458
"type": "array"
427
459
},
428
460
"module": {
429
461
"ref": "#moduleRef",
430
462
"type": "ref"
431
463
},
432
464
"name": {
433
465
"description": "What the creator called this instance, so that two uses of one module — a sequencer playing the bass beside one playing the chords — are told apart by what each does. It lives here, in the patch, because what a use of a module is for is a decision about this use and not about the module. Optional permanently: an instance that says nothing is called by its module's name, which is what every record written before an instance could be named says.",
434
466
"maxGraphemes": 32,
435
467
"maxLength": 320,
436
468
"minLength": 1,
437
469
"type": "string"
438
470
},
439
471
"noteLength": {
440
472
"description": "How many milliseconds every note this instance passes on lasts, where its module is a one-shot, however briefly or long whatever played it held it: a pad tapped in front of a drum plays the drum's whole hit. When the length is up the note is let go of and its sound follows its own release. Only how long a note lasts changes: each still starts when it was struck, at its own pitch and the strength it was played with. It lives here, in the patch, for the reason a note range does. Absent on every instance whose module is not a one-shot; on a one-shot, absent is 100 milliseconds.",
441
473
"maximum": 10000,
442
474
"minimum": 1,
443
475
"type": "integer"
444
476
},
445
477
"notePattern": {
446
478
"description": "The pattern this instance loops, where its module is a sequencer. It lives here, in the patch, for the reason a sample slot fill and a control binding do: what is played is a decision about this use of the module, and writing one never touches the module's record. Absent on every instance whose module is not a sequencer.",
447
479
"ref": "#notePattern",
448
480
"type": "ref"
449
481
},
450
482
"noteRange": {
451
483
"description": "Which notes this instance passes on, where its module is a note range. It lives here, in the patch, for the reason a pattern does: which pad or which half of a keyboard plays which sound is a decision about this use of the module, and forks with the patch. Absent on every instance whose module is not a note range, and on one that passes every note.",
452
484
"ref": "#noteRange",
453
485
"type": "ref"
454
486
},
455
487
"parameterValues": {
456
488
"items": {
457
489
"ref": "#parameterValue",
458
490
"type": "ref"
459
491
},
460
492
"type": "array"
461
493
},
462
494
"position": {
463
495
"description": "Where the creator placed this instance in the patch's arrangement, so the arrangement travels with the patch and a fork inherits it. Optional permanently, and the only field in either description that exists for presentation.",
464
496
"ref": "#position",
465
497
"type": "ref"
466
498
},
467
499
"sampleSlotFills": {
468
500
"description": "Samples this instance supplies for the module's declared slots. A fill lives here, in the patch, so writing one never touches the module.",
469
501
"items": {
470
502
"ref": "#sampleSlotFill",
471
503
"type": "ref"
472
504
},
473
505
"type": "array"
474
506
},
475
507
"scene": {
476
508
"description": "Which of `scenes` is playing, counting the first as zero. Choosing a scene is an edit like choosing a sequencer's loop, so it is written here, and the patch opens on it. Optional permanently: absent is the first, and a reader plays one past the last as the last.",
477
509
"maximum": 25,
478
510
"minimum": 0,
479
511
"type": "integer"
480
512
},
481
513
"sceneLaunch": {
482
514
"description": "When a scene chosen on this instance takes over, and where the loops it names start. Optional permanently: absent is on the next bar, from their first step.",
483
515
"ref": "#sceneLaunch",
484
516
"type": "ref"
485
517
},
486
518
"scenes": {
487
519
"description": "The scenes this instance switches between, where its module is a scenes block: which loop each sequencer wired to it plays in each. It lives here for the reason a song does. Absent on every instance whose module is not a scenes block.",
488
520
"items": {
489
521
"ref": "#scene",
490
522
"type": "ref"
491
523
},
492
524
"maxLength": 26,
493
525
"type": "array"
494
526
},
495
527
"song": {
496
528
"description": "The song this instance plays, where its module is an arranger: which loop each sequencer wired to it plays, section by section. It lives here, in the patch, for the reason a pattern does: what is played is a decision about this use of the module. Absent on every instance whose module is not an arranger.",
497
529
"ref": "#song",
498
530
"type": "ref"
499
531
},
500
532
"thru": {
501
533
"description": "Whether the notes reaching this instance's input are passed on to whatever it plays, where its module is a sequencer: a keyboard wired into it is then heard through it as well as recorded by it. It lives here, in the patch, because what a sequencer passes on is part of how the patch sounds. Optional permanently: an instance that says nothing passes them on, and only `false` is ever written.",
502
534
"type": "boolean"
503
535
},
504
536
"transpose": {
505
537
"description": "How many semitones this instance moves every note it passes on, where its module is a transpose: twelve is an octave up, and a negative number is down. A note moved past the lowest or the highest MIDI note is not passed on. It lives here, in the patch, for the reason a note range does. Absent on every instance whose module is not a transpose, and on one that moves nothing.",
506
538
"maximum": 127,
507
539
"minimum": -127,
508
540
"type": "integer"
509
541
},
510
542
"unison": {
511
543
"description": "How many voices each note this instance plays is sounded by, detuned narrowly against each other and centred on the note. It lives here, in the patch, for the reason the pattern above it does: how a loop is voiced is a decision about this use of the module. The player's own unison is a setting of their browser and says nothing about this one, so a loop written thick stays thick for everyone who opens the patch. Optional permanently: an instance that says nothing plays one voice per note, which is what every record written before this field existed says.",
512
544
"maximum": 6,
513
545
"minimum": 1,
514
546
"type": "integer"
515
547
},
516
548
"voiceScope": {
517
549
"description": "Whether this instance is built once for each sounding note or once for the whole patch. One of the two, always: the choice is made when the module is added, from what the module is, and is the creator's to move afterwards. There is no third value and no leaving it out — an instance that said nothing left the answer to be worked out afresh every time the patch was played, which is a decision nobody could see and nobody could change.",
518
550
"enum": [
519
551
"perNote",
520
552
"perPatch"
521
553
],
522
554
"type": "string"
523
555
}
524
556
},
525
557
"required": [
526
558
"instanceId",
527
559
"module",
528
560
"voiceScope"
529
561
],
530
562
"type": "object"
531
563
},
532
564
"moduleRef": {
533
565
"description": "A pin to one exact published version of a module. Resolving it fetches that record, whoever authored it.",
534
566
"properties": {
535
567
"authorDid": {
536
568
"format": "did",
537
569
"type": "string"
538
570
},
539
571
"moduleId": {
540
572
"maxLength": 128,
541
573
"minLength": 1,
542
574
"type": "string"
543
575
},
544
576
"versionKey": {
545
577
"description": "The pinned version's record key, which is also the `versionKey` that version carries. A reader fetches the module record at this key.",
546
578
"maxLength": 128,
547
579
"minLength": 1,
548
580
"type": "string"
549
581
}
550
582
},
551
583
"required": [
552
584
"moduleId",
553
585
"versionKey",
554
586
"authorDid"
555
587
],
556
588
"type": "object"
557
589
},
558
590
"noteEvent": {
559
591
"description": "One note struck at one moment of the loop, held from it, and struck as hard and as often as it says. It is written one of two ways: a note written now says the tick it is at and how many ticks it is held for, and a note written while the grid was part of what a note was says the step of that grid and how many of those steps it was held for. Both are read; the first is written.",
560
592
"properties": {
561
593
"at": {
562
594
"description": "The tick of the loop this note is struck at, counted from its start at 96 ticks to the beat. Ticks rather than steps of the grid, because a note is at a moment and the grid is a guide over it: 96 is divided exactly by every grid this description offers, so a note keeps its moment however the grid is changed.",
563
595
"minimum": 0,
564
596
"type": "integer"
565
597
},
566
598
"hold": {
567
599
"description": "How many ticks this note is held for. Counted in ticks rather than in seconds for the reason the start is: a phrase written at 90 is the same phrase, held notes and all, at 140. A note is cut off by the loop's end and by the next note of its own pitch, since the same pitch overlapping itself is one voice rather than two.",
568
600
"minimum": 1,
569
601
"type": "integer"
570
602
},
571
603
"length": {
572
604
"description": "How many steps of the grid this note is held for, where its start is written as a step. Absent is one, which is what every pattern written before notes had a length says.",
573
605
"minimum": 1,
574
606
"type": "integer"
575
607
},
576
608
"note": {
577
609
"description": "The MIDI note number. 60 is middle C.",
578
610
"maximum": 127,
579
611
"minimum": 0,
580
612
"type": "integer"
581
613
},
582
614
"probability": {
583
615
"description": "How likely this note is to be struck each time the loop comes round, in percent, asked afresh on every pass. Optional permanently: a note that says nothing is struck every time, which is what every pattern written before a note could say otherwise says, and a certain note writes no field. Nought is not offered, for the reason a velocity of nought is not.",
584
616
"maximum": 100,
585
617
"minimum": 1,
586
618
"type": "integer"
587
619
},
588
620
"step": {
589
621
"description": "Which step of the grid this note is on, counted from the start of the loop. The older way of saying where a note is, read from every pattern published before a note carried a tick and written by none.",
590
622
"minimum": 0,
591
623
"type": "integer"
592
624
},
593
625
"velocity": {
594
626
"description": "How hard this note is struck, on the MIDI scale. It is part of what is played rather than how it is listened to — a phrase is written with its accents in it, and a loop where every note lands identically is a loop nobody wrote. Optional permanently: a note that says nothing is struck at 100, which is what every pattern written before a note could say says, and a note struck at 100 writes no field. Nought is not offered, since a note that could never be heard is a note taken off the loop rather than one written onto it.",
595
627
"maximum": 127,
596
628
"minimum": 1,
597
629
"type": "integer"
598
630
}
599
631
},
600
632
"required": [
601
633
"note"
602
634
],
603
635
"type": "object"
604
636
},
605
637
"noteOutputRef": {
606
638
"properties": {
607
639
"instanceId": {
608
640
"maxLength": 64,
609
641
"minLength": 1,
610
642
"type": "string"
611
643
},
612
644
"noteOutput": {
613
645
"maxLength": 64,
614
646
"minLength": 1,
615
647
"type": "string"
616
648
}
617
649
},
618
650
"required": [
619
651
"instanceId",
620
652
"noteOutput"
621
653
],
622
654
"type": "object"
623
655
},
624
656
"notePattern": {
625
-
"description": "The loops one sequencer holds, and the grid they are written on. A loop is a whole number of bars and the notes in it are counted in ticks of the beat, so a pattern means the same thing at any tempo — what a tick is worth in seconds is the player's tempo's business and not the pattern's. The first loop is written here, where a pattern has always been written; any after it are alternates.",
657
+
"description": "The loops one sequencer holds, and the grid they are written on. A loop is a whole number of bars, or of sixteenths where it says so, and the notes in it are counted in ticks of the beat, so a pattern means the same thing at any tempo — what a tick is worth in seconds is the player's tempo's business and not the pattern's. The first loop is written here, where a pattern has always been written; any after it are alternates.",
626
658
"properties": {
627
659
"active": {
628
660
"description": "Which loop is played, counting the one written here as zero. Absent is the first. It is in the record because it is what a visitor opening the patch hears — unlike stopping a loop, which is how a browser is listening and is written nowhere. Every loop counts from the same downbeat and wraps at its own length whether or not it is the one being heard, so switching between them reveals where the other had got to rather than starting it.",
629
661
"minimum": 0,
630
662
"type": "integer"
631
663
},
632
664
"alternates": {
633
665
"description": "The loops after the first. Absent while the sequencer holds a single pattern, which is what every sequencer written before there could be more than one says.",
634
666
"items": {
635
667
"ref": "#alternatePattern",
636
668
"type": "ref"
637
669
},
638
670
"maxLength": 7,
639
671
"type": "array"
640
672
},
641
673
"bars": {
642
-
"description": "How long the first loop is, in bars of the patch's time signature (`timeSignature`), which is 4/4 where it says none. Each loop keeps its own length: one may be four bars and the next five.",
674
+
"description": "How long the first loop is, in bars of the patch's time signature (`timeSignature`), which is 4/4 where it says none. Each loop keeps its own length: one may be four bars and the next five. Where `sixteenths` is present it is the length and this is the whole bars that covers, rounded up, so a reader that knows only bars plays the loop with a silent tail rather than refusing it.",
643
675
"maximum": 8,
644
676
"minimum": 1,
645
677
"type": "integer"
646
678
},
647
679
"events": {
648
680
"description": "The notes in the first loop. A moment carrying no note is a rest; a note starting outside the loop's length is not played.",
649
681
"items": {
650
682
"ref": "#noteEvent",
651
683
"type": "ref"
652
684
},
653
685
"maxLength": 2048,
654
686
"type": "array"
655
687
},
656
688
"name": {
657
689
"description": "What the creator called the first loop. Optional permanently: a loop that says nothing is called by its place, which is what every loop written before a loop could be named says.",
658
690
"maxGraphemes": 32,
659
691
"maxLength": 320,
660
692
"minLength": 1,
661
693
"type": "string"
662
694
},
663
695
"resolution": {
664
696
"description": "The grid every loop on this sequencer is drawn and snapped to. It is a guide and not a part of what is played: it decides where a note being put down lands, and changing it moves nothing already written, so a loop may hold a note no line of the current grid passes through.",
665
697
"ref": "#resolution",
666
698
"type": "ref"
699
+
},
700
+
"sixteenths": {
701
+
"description": "How long the first loop is, in sixteenth notes, where it is not a whole number of bars: three beats is twelve. It is a length in the beat rather than the bar, so a loop that says it keeps its length when the time signature changes. Optional permanently: absent is `bars` of the patch's bar, which is what every loop written before a loop could end inside a bar says.",
702
+
"maximum": 2048,
703
+
"minimum": 1,
704
+
"type": "integer"
667
705
}
668
706
},
669
707
"required": [
670
708
"bars",
671
709
"resolution"
672
710
],
673
711
"type": "object"
674
712
},
675
713
"noteRange": {
676
714
"description": "The notes a note range passes on: from its lowest to its highest, both included, as MIDI note numbers (60 is middle C). Either end may be left out, and an end left out is open, so a range with only a lowest passes that note and everything above it. The same note at both ends is one key or one pad.",
677
715
"properties": {
678
716
"highest": {
679
717
"description": "The highest note passed on, at or above the lowest. Absent is the highest there is.",
680
718
"maximum": 127,
681
719
"minimum": 0,
682
720
"type": "integer"
683
721
},
684
722
"lowest": {
685
723
"description": "The lowest note passed on. Absent is the lowest there is.",
686
724
"maximum": 127,
687
725
"minimum": 0,
688
726
"type": "integer"
689
727
}
690
728
},
691
729
"type": "object"
692
730
},
693
731
"outputRef": {
694
732
"properties": {
695
733
"audioOutput": {
696
734
"maxLength": 64,
697
735
"minLength": 1,
698
736
"type": "string"
699
737
},
700
738
"instanceId": {
701
739
"maxLength": 64,
702
740
"minLength": 1,
703
741
"type": "string"
704
742
}
705
743
},
706
744
"required": [
707
745
"instanceId",
708
746
"audioOutput"
709
747
],
710
748
"type": "object"
711
749
},
712
750
"parameterValue": {
713
751
"description": "A value for one of the module's exposed parameters, or an explicit fall-back to the module's declared default.",
714
752
"properties": {
715
753
"id": {
716
754
"maxLength": 64,
717
755
"minLength": 1,
718
756
"type": "string"
719
757
},
720
758
"useDefault": {
721
759
"description": "Set where the patch explicitly defers to the module's default rather than recording a value.",
722
760
"type": "boolean"
723
761
},
724
762
"value": {
725
763
"description": "The value this patch sets the parameter to, always as text. A number is its decimal form — \"0.5\", and \"2\" for a whole one — because the ATproto data model has no floating-point type and a string is the only type that carries both a number and a word. Where the module declares a closed set of values instead, this is one of those strings, and a label that looks like a number stays the label it is: the module's own description says which of the two this parameter is.",
726
764
"maxLength": 200,
727
765
"type": "string"
728
766
}
729
767
},
730
768
"required": [
731
769
"id"
732
770
],
733
771
"type": "object"
734
772
},
735
773
"patternRoute": {
736
774
"description": "One sequencer whose loops, or one automation block whose lanes, an arranger or a scenes block chooses.",
737
775
"properties": {
738
776
"from": {
739
777
"description": "The arranger, or the scenes block.",
740
778
"maxLength": 64,
741
779
"minLength": 1,
742
780
"type": "string"
743
781
},
744
782
"instanceId": {
745
783
"description": "The sequencer or automation block, at its pattern input.",
746
784
"maxLength": 64,
747
785
"minLength": 1,
748
786
"type": "string"
749
787
}
750
788
},
751
789
"required": [
752
790
"from",
753
791
"instanceId"
754
792
],
755
793
"type": "object"
756
794
},
757
795
"position": {
758
796
"properties": {
759
797
"x": {
760
798
"type": "integer"
761
799
},
762
800
"y": {
763
801
"type": "integer"
764
802
}
765
803
},
766
804
"required": [
767
805
"x",
768
806
"y"
769
807
],
770
808
"type": "object"
771
809
},
772
810
"resolution": {
773
811
"description": "One note value, as a length and what that length is multiplied by. The same vocabulary the player's own musical time is counted in.",
774
812
"properties": {
775
813
"unit": {
776
814
"description": "Three of them into the time of two, or not. Absent is normal. A dotted grid is not offered: it does not divide a bar evenly, so it would leave a pattern whose steps do not line up with its own loop.",
777
815
"knownValues": [
778
816
"normal",
779
817
"triplet"
780
818
],
781
819
"type": "string"
782
820
},
783
821
"value": {
784
822
"description": "The note value one step is worth. `bar` is one bar of the patch's time signature; every other value is a note, the same length in any bar.",
785
823
"knownValues": [
786
824
"bar",
787
825
"1/2",
788
826
"1/4",
789
827
"1/8",
790
828
"1/16",
791
829
"1/32",
792
830
"1/64",
793
831
"1/128"
794
832
],
795
833
"type": "string"
796
834
}
797
835
},
798
836
"required": [
799
837
"value"
800
838
],
801
839
"type": "object"
802
840
},
803
841
"sampleSlotFill": {
804
842
"properties": {
805
843
"blob": {
806
844
"accept": [
807
845
"audio/wav"
808
846
],
809
-
"maxSize": 2097152,
847
+
"maxSize": 10485760,
810
848
"type": "blob"
811
849
},
850
+
"name": {
851
+
"description": "What the creator calls this sample — Kick, Snare, Open hat — so a kit's pads are told apart by what each plays. It lives on the fill because it is a name for the sample that fills the slot: replaced with the sample, and gone with it. Optional permanently: a fill that says nothing is called by its slot, which is what every record written before a sample could be named says.",
852
+
"maxGraphemes": 32,
853
+
"maxLength": 320,
854
+
"minLength": 1,
855
+
"type": "string"
856
+
},
812
857
"ownerDid": {
813
858
"format": "did",
814
859
"type": "string"
815
860
},
816
861
"slotId": {
817
862
"maxLength": 64,
818
863
"minLength": 1,
819
864
"type": "string"
820
865
}
821
866
},
822
867
"required": [
823
868
"slotId",
824
869
"blob",
825
870
"ownerDid"
826
871
],
827
872
"type": "object"
828
873
},
829
874
"scene": {
830
875
"description": "One scene: which loop each sequencer wired to the scenes block plays while it is the scene playing. It lasts until another scene is chosen.",
831
876
"properties": {
832
877
"loops": {
833
878
"description": "Which loop each sequencer plays in this scene. A sequencer wired to the scenes block with no entry here rests while it plays.",
834
879
"items": {
835
880
"ref": "#sectionLoop",
836
881
"type": "ref"
837
882
},
838
883
"maxLength": 64,
839
884
"type": "array"
840
885
},
841
886
"name": {
842
887
"description": "What the creator called this scene. Optional permanently: a scene that says nothing is called by its letter.",
843
888
"maxGraphemes": 32,
844
889
"maxLength": 320,
845
890
"minLength": 1,
846
891
"type": "string"
847
892
}
848
893
},
849
894
"type": "object"
850
895
},
851
896
"sceneLaunch": {
852
897
"description": "When a scene chosen takes over, and where its loops start.",
853
898
"properties": {
854
899
"quantize": {
855
900
"description": "Where a scene chosen takes over: `none` at once, or on the next beat, bar, two bars or four bars of the patch's time signature — a beat being the note its lower number names — counted from the downbeat the loops count from. Optional permanently: absent is `bar`.",
856
901
"knownValues": [
857
902
"none",
858
903
"beat",
859
904
"bar",
860
905
"2bars",
861
906
"4bars"
862
907
],
863
908
"type": "string"
864
909
},
865
910
"restart": {
866
911
"description": "Whether the loops a scene names start from their first step where it takes over, or carry on from where they already were. Optional permanently: absent is from their first step, so only `false` is written.",
867
912
"type": "boolean"
868
913
}
869
914
},
870
915
"type": "object"
871
916
},
872
917
"section": {
873
918
"description": "One section of a song: how long it is, and which loop each arranged sequencer plays for that long.",
874
919
"properties": {
875
920
"bars": {
876
921
"description": "How long this section is, in bars of the patch's time signature.",
877
922
"maximum": 64,
878
923
"minimum": 1,
879
924
"type": "integer"
880
925
},
881
926
"loops": {
882
927
"description": "Which loop each sequencer plays for this section. A sequencer wired to the arranger with no entry here rests for the section.",
883
928
"items": {
884
929
"ref": "#sectionLoop",
885
930
"type": "ref"
886
931
},
887
932
"maxLength": 64,
888
933
"type": "array"
889
934
},
890
935
"name": {
891
936
"description": "What the creator called this section. Optional permanently: a section that says nothing is called by its place.",
892
937
"maxGraphemes": 32,
893
938
"maxLength": 320,
894
939
"minLength": 1,
895
940
"type": "string"
896
941
}
897
942
},
898
943
"required": [
899
944
"bars"
900
945
],
901
946
"type": "object"
902
947
},
903
948
"sectionLoop": {
904
949
"properties": {
905
950
"instanceId": {
906
951
"description": "The sequencer, or the automation block.",
907
952
"maxLength": 64,
908
953
"minLength": 1,
909
954
"type": "string"
910
955
},
911
956
"loop": {
912
957
"description": "Which of the sequencer's loops it plays, counting the one its pattern writes first as zero, or which of the automation block's lanes. One it does not hold is played as its last.",
913
958
"maximum": 7,
914
959
"minimum": 0,
915
960
"type": "integer"
916
961
}
917
962
},
918
963
"required": [
919
964
"instanceId",
920
965
"loop"
921
966
],
922
967
"type": "object"
923
968
},
924
969
"song": {
925
970
"description": "An arranger's song: sections played one after another from its first beat. Each section starts every loop it names from that loop's first step, and lets go of whatever is still sounding when it ends, so a loop shorter than its section repeats and one longer is cut off.",
926
971
"properties": {
927
972
"end": {
928
973
"description": "What happens when the last section ends: `stop` leaves the sequencers it arranges silent, `loop` plays the song again from its first section, and `hold` keeps playing the last section. Optional permanently: absent is `stop`.",
929
974
"knownValues": [
930
975
"stop",
931
976
"loop",
932
977
"hold"
933
978
],
934
979
"type": "string"
935
980
},
936
981
"sections": {
937
982
"description": "The sections, in the order they are played.",
938
983
"items": {
939
984
"ref": "#section",
940
985
"type": "ref"
941
986
},
942
987
"maxLength": 64,
943
988
"type": "array"
944
989
}
945
990
},
946
991
"type": "object"
947
992
},
948
993
"timeSignature": {
949
994
"description": "A time signature as it is printed over a stave: how many beats one bar holds, over the note a beat is. The tempo counts quarter notes whatever the lower number is; what the two decide is how long a bar is, and so where every bar line falls.",
950
995
"properties": {
951
996
"denominator": {
952
997
"description": "The note a beat is: 2 a half, 4 a quarter, 8 an eighth, 16 a sixteenth. The lower number.",
953
998
"enum": [
954
999
2,
955
1000
4,
956
1001
8,
957
1002
16
958
1003
],
959
1004
"type": "integer"
960
1005
},
961
1006
"numerator": {
962
1007
"description": "How many beats one bar holds: the upper number.",
963
1008
"maximum": 32,
964
1009
"minimum": 1,
965
1010
"type": "integer"
966
1011
}
967
1012
},
968
1013
"required": [
969
1014
"numerator",
970
1015
"denominator"
971
1016
],
972
1017
"type": "object"
973
1018
}
974
1019
},
975
1020
"description": "A synth patch: which modules it uses, how they are wired, what their parameters are set to, and how it is played. A patch plus the module records it pins is everything needed to reproduce it.",
976
1021
"id": "at.atmosynth.patch",
977
1022
"lexicon": 1
978
1023
}