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muting/volume adjustment for audio out

Altera_Forum
Honored Contributor II
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I'm trying to use Verilog to have my DE2 board play songs, and so far I've managed to figure out how to make different notes/tones, but the one thing I can't seem to figure out is simply how to make the board stop playing sounds.  

 

Surely there must just be some kind of volume register or an audio reset/mute signal somewhere that I've missed? None of the 8 audio signals that are listed in the DE2 manual suggest that they control volume, as far as I can see, so I'm stumped. 

 

Thanks everyone!
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