On Mon, 24 Nov 2003 12:44:44 -0500, "Arny Krueger"
wrote:

"Jay - atldigi" wrote in message


It can remove distortion but the error still exists as broadband
noise.

Well, we call it noise but in fact it's 100% deterministic given that we
created the randomizing signal so we should know what it is.

And to make the whole thing even soupier, dither can theoretically
be removed after DAC, decorrelating quantization errors and
leaving noise that's statistically independent of the signal.

IMO, there's a lot of etymological weirdness in this area. Quantization
error is often called quantization noise. Spectral shaping of quantization
error is commonly called "noise shaping". Quantization error is noisy, but
it's noisy in the sense that loud neighbors are *noisy*. It's not noise in
the sense of random noise, because quantization error is 100% predictable.

Definitely a "through the looking glass" world because we have to rely
on words.

Thanks for your comments,

Chris Hornbeck
"That is my Theory, and what it is too."
Anne Elk