Convert audio data from linear to mu-law.
Mu-law values use 8-bit unsigned integers. Linear values use n-bit signed integers or floating point values in the range -1 ≤ x ≤ 1 if n is 0.
If n is not specified it defaults to 0, 8, or 16 depending on the range of values in x.
See also: mu2lin.
Package: octave