spec: "1.0"
id: "com.grooveforge.compressor"
name: "Compressor"
version: "1.0.0"
type: effect

# RMS dynamics compressor. Reduces the dynamic range of a signal:
# loud peaks are brought down, then makeup gain restores overall volume.
# Use on instruments to tighten their dynamics or on the master bus for glue.

parameters:
  - id: threshold
    paramId: 0
    name: "Thresh"
    min: -60.0
    max: 0.0
    default: -18.0
    unit: "dB"
  - id: ratio
    paramId: 1
    name: "Ratio"
    min: 1.0
    max: 20.0
    default: 4.0
    unit: ":1"
  - id: attack
    paramId: 2
    name: "Attack"
    min: 0.1
    max: 200.0
    default: 10.0
    unit: "ms"
  - id: release
    paramId: 3
    name: "Release"
    min: 10.0
    max: 2000.0
    default: 100.0
    unit: "ms"
  - id: makeup
    paramId: 4
    name: "Makeup"
    min: 0.0
    max: 24.0
    default: 0.0
    unit: "dB"

graph:
  nodes:
    - id: in
      type: audio_in
    - id: comp
      type: compressor
      params:
        threshold: { param: threshold }
        ratio:     { param: ratio }
        attack:    { param: attack }
        release:   { param: release }
        makeup:    { param: makeup }
    - id: out
      type: audio_out

  connections:
    - from: in.out
      to: comp.in
    - from: comp.out
      to: out.in

ui:
  groups:
    - label: "Gate"
      controls:
        - type: knob
          param: threshold
        - type: knob
          param: ratio
    - label: "Envelope"
      controls:
        - type: knob
          param: attack
        - type: knob
          param: release
    - label: "Output"
      controls:
        - type: knob
          param: makeup
        - type: vumeter
          source: out