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Quantization
Why do we need to quantise:
To throw out bits
Example
: 101101 = 45 (6 bits).
Truncate to 4 bits: 1011 = 11.
Truncate to 3 bits: 101 = 5.
Quantization error is the main source of the Lossy Compression.
Uniform quantization
Quantization Tables
Dave Marshall
10/4/2001