June 25th, 2012, 12:36 AM
Join Date: May 2012
Carrier: Not Provided
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Well, haven't tried it myself but the sounds are located in /syste/media/audio/ui/, found them after searching the forums a bit. There are actually a few sound files in there (not sure if it's because of the different camera apps that I have tried) that look like they could be the ones you need to edit:
so if you are rooted it should be possible to just try replacing one of them with a blank sound then just select that one as your main sound.