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added some small clarification and a picture

Jonald Johnston 2020-08-22 19:27:27 -05:00
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Soundboard.md

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The soundboard app will play whatever sound (in the wav/ directory of the SD card) is selected when the START button is hit, or it will play a random sound if the "Random" box is checked.
The soundboard app will play whatever sound (in the wav/ directory of the SD card) is selected when the START button is hit, or it will play a random sound if the "Random" box is checked. Sound is transmitted as FM with the bandwidth set in the black and yellow TX box.
[[img/screenshots/Transmit_Soundbrd.png]]
Sounds should be 8-bit unsigned mono .wav files between 24000 and 48000 Hz. This can be done in Audacity by first making sure the track is Mono by going to Tracks>Mix>Mix Stereo Down to Mono and then choose "Other Uncompressed Files" in the export dialog and set Header to "WAV (Microsoft)" and Encoding to "Unsigned 8-bit PCM".