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16 bit vs 24 bit, 44.1khz vs 48 khz <-- please explain
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 |
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