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SOMO 14D + mono amp

Testing audio setup for Yamato.

 

This uses a SOMO-14D sound module which plays 4-bit ADPCM files off a micro SD card. It's very finicky about power supply but I finally got it working. The line out is routed to a mono amp board from Sparkfun and thence to a small mylar speaker.

 

The paper tube is a cheap speaker cab to separate the back and front waves. The hiss is mainly the camera's crappy mic, I'm quite pleased with the quality and I think this'll do the job nicely.

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Taken on June 22, 2012