darrenyeats;226041 Wrote: > > eiret;226036 Wrote: > > > > > > So, in your example, the sound amplitude is represented as 21. > > > > But if you multiply 21 by 256 first (which is like what happens when > > you upsample from 16 bits to 24 bits) the amplitude is now represented > > by 5376. Divide 5376 by 2 and you get 2688 which is still a whole > > number. > > > > That is why upsampling is done before the volume control is > > applied...what would have been "16 bit fractions" are handled > > properly. > > Darren> > > > > 8bit = 255 > 16bit = 65535 > 24bit = 16777215 > start-programs-accesories-calculator-push advanced-place a tick on > bin-type 8bits 11111111-place a tick on dec=255 > Do the same again with 16 1`s and 24 1`s. > > What happens when you do not get whole numbers in 24bit(16777215)? A > little bit distortion. Maybe not audible. > > There is a reason why benchmark dac1 has an analog volumcontrol.
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