1) квантование; дискретизация
2) разбиение ( данных ) на подгруппы
3) огрубление ( видеоэффект )
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- amplitude quantization
- block quantization
- differential quantization
- dithered quantization
- feedback quantization
- feedforward quantization
- linear quantization
- nonlinear quantization
- nonuniform quantization
- space quantization
- time quantization
- uniform quantization
- vector quantization