This is where navigation should be.

RANGEEXPAND - Expand the dynamic range of a signal

Usage

sig = rangeexpand(insig,mu,sigweight);

Description

rangeexpand(insig,mu,sigweight) inverts a previously applied \(\mu\)-law companding to the signal insig. The parameters mu and sigweight must match those from the call to rangecompress

rangeexpand takes the following optional arguments:

'mulaw' Do mu-law compression, this is the default.
'alaw' Do A-law compression.
'mu',mu \(\mu\)-law parameter. Default value is 255.

References:

S. Jayant and P. Noll. Digital Coding of Waveforms: Principles and Applications to Speech and Video. Prentice Hall, 1990.