"This project is an FPGA based MIDI monophonic synthesizer implementing a digital waveguide physical model of an open ended cylindrical bore excited by a jet of air. The design is based on Perry Cook's slide-flute model. This model changes pitch by changing the length of the waveguides (making sure that the bore delay line is always twice the length of the jet delay line). The state machine to perform the functions required currently uses 14 clocks (50 MHz) and one for init. The output sample rate of the synth is 100 KHz."click here for more info including samples on the FPGA Synth Wiki.
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