samer@32: % lin2mel - matrix to warp linear scale power spectra to mel scale
samer@32: %
samer@32: % lin2mel :: 
samer@32: %    N:natural      ~'size of FFT used to compute spectra',
samer@32: %    nonneg         ~'sampling frequency',
samer@32: %    [[1,2]->freq]  ~'upper and lower frequency limits',
samer@32: %    L:natural      ~'number of mel bands to compute' 
samer@32: % -> [[L,dftbins(N)]].
samer@32: 
samer@32: function melW=lin2mel(N,fs,flim,L)
samer@32: 	melW = tri_filterbank_aa(melspace(flim(1),min(flim(2),fs/2),L+2),binmap(0,fs/2,dftbins(N)));
samer@32: end