A-LAW


Meaning of A-LAW in English

< standard > The ITU-T standard for nonuniform quantising logarithmic compression .

The equation for A-law is

| A | ------- (m/mp) |m/mp| = Values of u=100 and 255, A=87.6, mp is the Peak message value, m is the current quantised message value. (The formulae get simpler if you substitute x for m/mp and sgn(x) for sgn(m); then -1 Converting from u-LAW to A-LAW introduces quantising errors . u-law is used in North America and Japan, and A-law is used in Europe and the rest of the world and international routes.

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(1995-02-21)

FOLDOC computer English dictionary.      Английский словарь по компьютерам FOLDOC.