f_bit_compression.m

audio compression matlab code

function [y] = f_bit_compression(x, nbits_in, nbits_out)

% nonlinear transforms of signal x from nbits_in to nbits_out

out_range = 2^nbits_out;
in_range = 2^nbits_in;

for i = 1:length(x),
     y(i) =  out_range * (2^(x(i) / in_range)- 1) ;
end;