In article ,
Arny Krueger wrote:
The noise floor of a well-made recording is on the order of 75-80 dB.
Below that is the noise floor, usually from analog (thermal) sources.
This is many times more than is required to properly dither a proper 16
bit conversion.

Yup. Anything that starts off life at a microphone is unlikely to do very
much better. And most recordings use several microphones...

--
*I'll try being nicer if you'll try being smarter

Dave Plowman London SW
To e-mail, change noise into sound.