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Meaning of NON-UNIFORM QUANTISING LOGARITHMIC COMPRESSION

 
Computing Dictionary
 
 Definition: 

The kind of compression often applied to a sound waveform. logarithmic compression is a good match for the human ear's sensitivity but cannot handle zero amplitude (for which the logarithm is negative infinity). There are two standard compression functions which give a smooth transition between the logarithmic function and a linear segment passing through the origin: mu-law (North America) and a-law (itu-t).

 

 

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