diff dsp/cqbasis.m @ 33:5b7d90b6393a

Minor tweaks, still needs work.

--- a/dsp/cqbasis.m	Sun Jan 20 13:48:47 2013 +0000
+++ b/dsp/cqbasis.m	Sun Jan 20 18:56:19 2013 +0000
@@ -1,5 +1,5 @@
-function [edges,map]=as_cqmap(parms,range,res)
-% as_cqmap - Audio Spectrum linear to log frequency map
+function [edges,map]=cqmap(parms,range,res)
+% cqmap - Audio Spectrum linear to log frequency map
 % 
 % Converts a constant-Q filterbank specification into a sparse matrix
 % which can be multiplied by a STFT power spectrogram to get a 
@@ -7,7 +7,7 @@
 % sampling grid has an adjustable spacing (the resolution parameter),
 % its origin is FIXED at 1kHz. 
 %
-% as_cqmap ::
+% cqmap ::
 %    struct {
 %       fs:real          ~ 'sampling rate',
 %       FFTsize:natural  ~ 'FFT frame size to be used to get STFT'
@@ -26,7 +26,7 @@
 	edges=min(range/parms.fs,0.5);
 else
 	F0=1000; % MAGIC number - origin of frequnecy grid is 1kHz
-	edges=as_cqedges(parms.fs,range,res,F0);
+	edges=cqedges(parms.fs,range,res,F0);
 
 	% remove edges from bottom end until each band can be resolved
 	e = 0.5+edges*parms.FFTsize;   % band edges relative to FT bin edges