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In Reply to: 32-bit Audio in Windows 7 posted by JerryS on September 28, 2017 at 16:50:31:
Don't forget that there is a big difference between fixed and floating point digital numbers. Virtually all computers (and digital audio workstations) turn fixed point audio samples into floating point numbers, as operations like mixing, SRC, EQ, and so forth are much easier with floating point.
The catch is that 32-bit floating point only has 24 bits of precision - the same as 24-bit fixed point. The other bits are used for the exponent. If the RME has an ASIO audio driver that bypasses the OS's sound component, it should record the 32 bits as just digital data without converting to floating point. To play it back properly would also need an ASIO driver or else the OS will convert it to 32-bit floating point.
I've played around with this a little, and going from 16 to 24 bits is noticeable. Going past that to 32 bits (fixed point) is pretty darned subtle IME. Almost anything will make a bigger difference than that - changing your VTA for example.
Hope this helps.
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- Difference between fixed point and floating point - Charles Hansen 09/29/1707:28:18 09/29/17 (0)
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