[ Jpn | Eng ]

Main Menu


Recent Entries:


Search this site:


Powered by
MTOS 5.2.2


ProtoPSG psg-005

8voice poly PSG like synth

Because this GUI development took long time, it is still incomplete. Im sorry for naked PCB. About sound, because this is PSG chip, sounds like 'pe pooh'. But now, because the filter function is added, ProtoPSG can generate not only PSG like sound.

ProtoPSG(005) Download 227KB


ProtoPSG 005 Demo
ProtoPSG 003 Demo
ProtoPSG 002 Demo

About MIDI CC# Setting

All Knobs can be controlled from MIDI CC. please refer Parameters section about default settings. If you want customize CC#s, once you need to invoke and quit the ProtoPSG. then the file 'ProtoPSG.ini' will be created in the directory of the ProtoPSG.dll placed. you can edit this file by a text editor.

the ProtoPSG.ini file like follows.



  • 8 voice polyphonic PSG like VSTi
  • 2 OSCs and 1NoiseGenerator
  • 1 Envelope Generator

Parameters the default MIDI CC#s are indicated in ().

  • OSC-A/B
    • FORM(24,25): WaveForm Select
    • OCT(28,29): Octave. -2 to +2
    • VOL(20,21): Volume
    • ADJ(31): detune between OSC-A and OSC-B
    • S&H LV(32): sample&hold modulation level
    • S&H RATE(33): sample&hold modulation speed
    • FREQ(27): Noise Frequency
    • VOL(23): Noise Volume
    • FORM(40): Envelope Form selection
    • RATE(41): Envelope speed
    • FREQ(74): Cutoff
    • RESO(71): Resonance
    • SWEEP(37): Cutoff modulation level (no modulation if center)
    • RATE(38): Cutoff modulation speed
    • EG LFO(39): Cutoff modulation mode EG=one shot, LFO=repeat
  • POL/MON(126): Mono Mode enable
  • PORTA(5): Portament
  • LFO
    • RATE(76): LFO speed
    • PITCH(77): LFO-Pitch modulation depth.
      • A(85): OSC-A modulation enable.
      • B(86): OSC-B modulation enable.
    • PWM(79): LFO-PWM modulation depth.
      • A(87): OSC-A modulation enable.
      • B(88): OSC-B modulation enable.
  • CHORUS(93): Chorus Depth
  • DELAY(91): Delay Depth
  • VOL(7): Master Volume
  • PAN(10): Pan


  • 005 20050210

    • Mono mode and Portament control added
    • LFO and pitch/pwm modulation added
    • Some Preset added

  • 004 20040918

    • Automation write from MIDI CC bug fixed
    • CPU usage has been greatly improved

  • 003

    • Chorus & Delay Effect added
    • Support MIDI CC# for all knobs
    • some presets added

  • 002

    • Filter
    • Saw Waveform
    • S&H modulation for OSC
    • revised Decay curve
    • 20 preset sound

VST is a trademark of Steinberg Media Technologies GmbH