Digital Sound & Music: Concepts, Applications, & Science, Chapter 5, last updated 6/25/2013
(a) 3 bit depth, 1 cycle (b) 3 bit depth, 6 cycles
(c) 3 bit depth, 22050Hz sample rate (d) 3 bit depth, 44100 Hz sample rate
Figure 5.7 Quantization of a sampled sound wave
Figure 5.8 Quantized wave
Quantization error is sometimes referred to as noise. Noise can be broadly defined as
part of an audio signal that isn’t supposed to be there. However, some sources would argue that
a better term for quantization error is distortion, defining distortion as an unwanted part of an
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