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February 18, 2015 AT 3:59 pm

NEW PRODUCT – DSP-G1 Voice Chip

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NEW PRODUCT – DSP-G1 Voice Chip


Make your own mini MIDI synth with DSP-G1 Voice Chip analog modeling synthesizer by Jan Ostman at DSP Synthesizers. It’s a tiny LPC810 chip programmed to read in MIDI streams and make music!

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The chip reads TTL level serial MIDI data and outputs sound through a 44.1KHz Delta-Sigma DAC. The synth is a 15-DCO structured as 5-note paraphonic with a 24db lowpass filter with resonance. It also has: AMP ENV, filter ENV and LFO with sine or sample & hold waveform.

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If you want to use it with for example Arduino (as we did in our example photo), it can be connected to the ATmega TX port and controlled through a sketch. More chips makes it multitimbral.

  • 15 DCO, 24db DCF, 2 ENV, 1 LFO
  • 5 voice paraphonic voice structure
  • TTL MIDI Input
  • 44.1KHz 16-bit Delta-Sigma DAC
  • 19 parameters controlled through MIDI-CC
  • 3.3v power, 5v tolerant inputs

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MIDI-CC list:

  • CUTOFF = CC#74
  • RESONANCE = CC#71
  • FILTER A = CC#82
  • FILTER D = CC#83
  • FILTER S = CC#28
  • FILTER R = CC#29
  • FILTER ENV M = CC#81
  • FILTER LFO M = CC#01
  • WAVEFORM = CC#76
  • WRAP = CC#04
  • RANGE = CC#21
  • DETUNE = CC#93
  • OSCENV A = CC#73
  • OSCENV D = CC#75
  • OSCENV S = CC#31
  • OSCENV R = CC#72
  • MASTERVOL = CC#07
  • LFORATE = CC#16
  • LFOWAVE = CC#20

In stock and shipping now!


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