Dithering algorithms

[ross.k2186]

aI was just curious about various types or dithering algorithms. Is there much of a difference between them, I mean it is dithering the audio with least significance in the audio spectrum (or least sensitive to the human ears response) to start off with, so would it even make much of a difference. I feel I could be wrong so I am asking you guys.

*Maybe theres some that use an alternative to whit noise?, and sound shapers

[manman]

Check out 20Bit dithering.

When i had apogee psx100 it has 16, 20 and 24 bit dithering.

i've noticed based on looking at oscilloscope that 20 bit at the input digital or analog A/D gives you best headroom[less noise] and also cleans up the resolution at lowest volumes, thus perhaps increasing reverb & image precision.

[monsieur x]

Originally Posted by manman

Check out 20Bit dithering.

When i had apogee psx100 it has 16, 20 and 24 bit dithering.

i've noticed based on looking at oscilloscope that 20 bit at the input digital or analog A/D gives you best headroom[less noise] and also cleans up the resolution at lowest volumes, thus perhaps increasing reverb & image precision.

To me, that very quiet noise, way down there at -100dB or less is helpful sometimes! Possibly one reason why my mpressor plugin has a toggle-able noise floor built in.

Maybe there is some truth to what you are suggesting.

Any other thoughts on these things?