update codec to use mux not mixer #703
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If you use mux, how do you pick the mic? Mixer as implemented combines the mics. |
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Assume I know what a mixer does. Why do you think this pr exists? What problem is it trying to solve? |
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It seems we need some analysis of the effect of this on range and directionality. The idea now is to treat the three mics as a broadside array (pointing up and out) to improve both, would be interesting if simply picking one is better. |
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mixer seems to cause crackle. Replaced it with a mux in the codec program.
This appears to be a separate issue from the firmware bug that Divya fixed in here: #702