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Old 05-27-2020, 04:56 AM   #7
Quoth
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Quote:
Originally Posted by stumped View Post
can someone explain, scientifically, what makes this audio " enhanced"
[ audible site is useless. its says new format is minimally compressed, old is slightly compressed - or vice versa - so they changed one adjective - pretty meaningless ]

surely, to actually "enhance" you just record using the same format at a higher bit rate
e.g. best mp3 is 320kbs, typical audiobook mp3 is 64 or less kbs
Actually recordings are done lossless. The final stage of publishing before DRM addition sets the compression. Oddly some audio book distributors want 44.1k sampling, perhaps for CDs, which are lossless. MP3 is 48K sampling, purely to make input and output filters cheaper and it's a nice round number. The CD sample rate is more even than needed for quality, but was to make filters achievable and suit the data rate of helical scan tape machines for digital adapted from analogue video.The data rate is 44100 x 16 x <number of channels> and any error correction overhead, if any. Red Book CD Audio is 2 channels and almost no error correction. CD Data uses extra error correction.

If it means anything other than less compression it's madness.
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