Copyright 2004 Ken Greenebaum
5-6
Quantization, Entropy Coding
nQuantization
nFrequency
coefficients are divided by perceptually inspired values
nEntropy
Coding
nTo squeeze a little more compression out
nInteresting compliment to perceptual coding:
nIn polyphony: much masking, little entropy
nIn
pure tones: little masking, much entropy