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RE: "Bits of resolution"

If you do not know what fine detail is you probably can't hear it.

As for dynamic range lets have a look at the figures given by the manufacturer of one of the most highly regarded microphones: Neumann and their U87:

Noise level: 12dB

Maximum SPL: 117dB

Dynamic range: 105dB

Signal to Noise Ratio: 82dB

(all a-weighted, mic set to cardioid response pattern)


I never said anything about resolving anything BELOW noise floor. Got no idea where you got that from or what your point could possibly be. I do know though that it helps reading AND comprehending any post that you try to answer to.
It is not possible to resolve anything below noise floor. The fact that one can have a conversation in a noisy environment is a psycho-acoustic phenomenon and irrelevant here.
Try doing that in a language in which you are capable to converse but not 100% fluent and you'll find it practically impossible. Here it is the brain filling in the gaps (ie the parts which fall below the noise level) with sounds it thinks should be there.

You still do not seem to able to grasp that resolution in a mechanical system is related to the highest frequency it can reproduce. This is not necessarily the case for digital or electro-magnetic systems (like analogue tape).




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