dsp-G1 Analog Modeling Synthesizer
The chip is a complete Analog Modelling MIDI synth in a 8-pin DIP.
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.