I downloaded the HTC Dream source code... trying to find out if the mic preamp has a lo pass filter thats adjustable. I can grab mic samples of some whooooshing noise wchich I assume goes on up past 16khz at least, using audiotrack, but when I plot the output of a bp filter from say 8-16khz, there's nuthin there. So anyone know if there's a 'lofi' and a 'hifi' setting for the mic and how to change it? Thanks.
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