draft: true
Name: RYK 355 Pitch to Voltage / 350 Vocoder
short-description: Monophonic pitch tracker and 14-band vocoder with an internal chord synth
Language: Unknown
Creator: RYK Modular
Version: unknown
Status: Released
contact:
  website: https://www.ryk-modular.com/contact

tags:
- pitch-tracker
- vocoder
- envelope-follower
- oscillator
- effect
- cv

summary: |
  Two switchable audio processors on one Program Card.
  Model 355 tracks monophonic pitch and dynamics; Model 350 is a 14-band vocoder with an internal four-note chord synthesizer.

panel:
  inputs:
  - id: AudioIn1
    name: Pitch Input / Modulator
    description: Monophonic tracking input in Model 355; vocoder modulator input in Model 350
    type: audio
  - id: AudioIn2
    name: Carrier
    description: External vocoder carrier in Model 350; leave unplugged to use the internal chord synthesizer
    type: audio
  - id: CVIn1
    name: Carrier Pitch CV
    description: 1V/oct pitch control for the internal vocoder carrier in Model 350
    type: cv
  - id: CVIn2
    name: Chord Select CV
    description: Voltage control of the internal carrier chord in Model 350
    type: cv
  - id: PulseIn1
    name: Carrier Freeze
    description: Freezes the vocoder carrier in Model 350
    type: pulse

  outputs:
  - id: AudioOut1
    name: Oscillator / Mix
    description: Raw tracked oscillator in Model 355; modulator and vocoded carrier mix in Model 350
    type: audio
  - id: AudioOut2
    name: Shaped Osc / Vocoder
    description: Envelope-shaped tracked oscillator in Model 355; vocoded carrier in Model 350
    type: audio
  - id: CVOut1
    name: Pitch / Envelope CV
    description: Tracked 1V/oct pitch in Model 355; modulator envelope follower in Model 350
    type: cv
  - id: CVOut2
    name: Envelope CV
    description: Envelope follower output in Model 355
    type: cv
  - id: PulseOut1
    name: Tracker Gate
    description: High while the Model 355 input exceeds the threshold set by X
    type: pulse
  - id: PulseOut2
    name: Tracker Trigger
    description: Short pulse when the Model 355 input crosses the threshold set by X
    type: pulse

controls:
  switch:
    up:
      name: Freeze Carrier
      description: Freezes the current carrier state in Model 350
    middle:
      name: Normal
      description: Normal operation
    down:
      name: Next Waveform
      description: Cycles the tracked oscillator waveform in Model 355 or carrier waveform in Model 350; hold down while pressing Reset to change models
    tap:
      name: Next Waveform
      description: Tap down to select the next oscillator or carrier waveform

  knobs:
  - main:
      name: Pitch Offset / Mix
      description: Sets pitch offset from one octave down to one octave up in Model 355; sets modulator and vocoded carrier mix in Model 350
    x:
      name: Threshold / Pitch
      description: Sets the Model 355 tracking threshold or the Model 350 internal carrier pitch
    y:
      name: Slew / Chord
      description: Sets Model 355 pitch slew or selects the Model 350 internal carrier chord

  leds:
  - display: list
    items:
    - id: LED0
      name: Input Level
      description: Shows input level; in Model 355 it should peak at note attacks and in Model 350 it should peak only occasionally