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In Reply to: You can use digital volume control when you have an excess of bit depth. nt posted by dRRD on October 14, 2011 at 04:03:57:
That is true for 16 vs. 24 bits. But for 32 bit DAC the volume control makes no difference compared to the 24bit DAC. It does not really matter whether the very best 24bit DACs have at least 3 bits below their noise floor (i.e. the information is lost, cannot be recovered), or the very best 32bit DACs loose 3 + 8 = 11 lowest bits. They use the same technology and in practice cannot produce better SNR results than their 24bit siblings.
It is trivial to generate full-resolution 32bit samples artificially (just a calculation), but impossible by AD conversion (i.e. recording) where the same SNR rules apply.
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Follow Ups
- RE: You can use digital volume control when you have an excess of bit depth. nt - phofman 07:58:46 10/14/11 (4)
- RE: You can use digital volume control when you have an excess of bit depth. nt - dRRD 09:46:37 10/14/11 (3)
- RE: You can use digital volume control when you have an excess of bit depth. nt - phofman 14:14:36 10/14/11 (2)
- RE: You can use digital volume control when you have an excess of bit depth. nt - dRRD 15:00:51 10/14/11 (1)
- RE: You can use digital volume control when you have an excess of bit depth. nt - phofman 23:58:48 10/14/11 (0)
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