> (though I doubt the necessity of 100MB file sizes for an hour of talk) An hour of uncompressed audio at a standard 44.1 kHz sample rate and 16 bit depth is 3

> (though I doubt the necessity of 100MB file sizes for an hour of talk) An hour of uncompressed audio at a standard 44.1 kHz sample rate and 16 bit depth is 317 MB. Opinions on what's acceptable compression obviously vary, but I don't think 100 MB is too outrageous.