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RE: 20-bit processing

A further point to be made is that the entire problem is somewhat different at the higher sampling rate, because there is more noise to start with because of the greater bandwidth. Indeed, it is possible to get good sound at 176.4 KHz sampling rate with as little as 12 bits, or possibly even 8 bits. (In the limit, good sound is possible with only one bit at a sampling rate of 2.8 mHz.)

Bit depth is not a particularly good measure of digital audio resolution. If a single measure is needed, then it should be total bit rate, which at least has the support of Shannon's information theory behind it.


Tony Lauck

"Diversity is the law of nature; no two entities in this universe are uniform." - P.R. Sarkar

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