Cheap DSP Experiments

Various Circuits /
This project is an experiment of the Digital Signal Processing with a cheap microcontroller instead of an ordinary digital signal processor. Recent 8 bit microcontrollers have sufficient processing performance so that they can be used for simple audio signal processing. There are some simple audio processing, such as Delay, Echo, Pitch Conversion, that easy to experiment. In old days, solid state audio processors had realized those audio effects with analog delay elements called BBD (charge coupled device). Mainly this project follows these process in digital signal processing.
Cheap DSP Experiments - schematic

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