The dsPIC33FJ64GP206-based Ultimate Tremolo is a DSP-based guitar effect pedal that gives the user complete control of every parameter of the tremolo (or amplitude modulation) audio processing effect. This is accomplished by interfacing the pedal to a PC via a Microchip PIC18F4455 USB-enabled microcontroller and editing the settings through software rather than the normal [...]
This project is an experiment of the Digital Signal Processing based on microcontroller AVR AtTiny 26 instead of an ordinary digital signal processor. The project used as simple audio signal processing. There are some simple audio processing, such as Delay, Echo, Pitch Conversion, that easy to experiment with the project.
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