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Not necessarily

Posted by Dave_K on January 26, 2015 at 09:46:25

In Reply to: RE: And so? ... posted by unclestu on January 25, 2015 at 20:09:14:

It depends on the bit depth and SNR of the recording and the dynamic range that the rest of the system is capable of.

These days, a lot of digital volume controls are implemented with a 32-bit word length. If the input is 16 bit, you can attenuate by 96 dB without losing anything. Even if the volume control is 24-bit, you can attenuate by 48 dB without losing anything, which is more range than any system needs.

And what about the worst case of 24-bit input into a 24-bit volume control? You're still not necessarily losing anything because the 144 dB of dynamic range at 24-bits is greater than the analog portions of the chain provide a maximum volume. Unless your system has way too much gain, the theoretical digital noise floor imposed by the volume control is below the analog noise floor. And 24-bit recordings don't have 144 db of dynamic range anyway.

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