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Showing results for tags 'diaphragm'.
Today I finished a prototype where I incorporated all the findings and conclusions I gained from my previous experiments. VID_20211120_170126.mp4 A steel ball is mounted to the rotating shaft of a gear motor. The motor is controlled by the SPICA circuit. The ball is pressed against the diaphragm on a tube. The tube is closed and a microphone picks up the signal from the inside of the tube. The signal is post processed online with the lingua device. I also implemented a hardware reverb module but it doesn't add much to the signal quality.