Why have you chosen 10ms? (just out of curiousity). If you record at 44khz, you are grabbing 44 samps per ms, or 440 samps in 10ms. I dont think you can record from the mic higher than 16khz on an ADP2/Google Ion at least. The audio routines have a 'minimum buffer size' that you should probably use. Here's an experiment you can try to determine minimum acceptable latency... have a buddy walk 30 or 40 feet away from you. Have him talk to you from this distance. Watch his lips. The delay is 1ms per foot. Is there a noticable loss of sync between lips and ears? If not, this proves that 30 or 40ms is acceptable. I have noticed that the 300ms delay across a stadium at a concert is nuts. You see the drummer hit a rimshot, but you dont hear the Whack! for 300ms. Crazy.
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