Hi Dave

If you are exporting to wave then it is probably because you intend to use the exports in another application or hard ware.
So it could be down to the requirement of that application or hardware.

Also I understand folks use high bit depths e.g. 24 as opposed to 16 to give more headroom for the mix thus increasing the dynamic range (level) between the quietest and loudest parts of the music, as if you think about the stack of bits is taller allowing more steps.
Note we are talking bit depth here 16 24 32 bit not sample rate which is the number of samples taken .
Hope someone can explain that a bit better. As that is a rather simple explanation.

Mike


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