diff _misc/featureextraction/.svn/text-base/readaudiochunk.m.svn-base @ 8:b5b38998ef3b

added all that other stuff

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/_misc/featureextraction/.svn/text-base/readaudiochunk.m.svn-base	Fri Apr 11 15:54:25 2014 +0100
@@ -0,0 +1,30 @@
+
+% Read in an audio file
+
+
+function [audiodata, info] = readaudiochunk(info)
+
+fprintf(1,'reading audio chunk\n');
+
+% read in wav file
+
+[rawdata, info.fs] = wavread(info.filename,[info.startsample info.endsample]);
+
+info.fsdownsampled = info.fs;
+
+% take average of stereo signals to give one mono audio vector
+
+meandata = mean(rawdata,2);
+
+% normalise audio
+if max(meandata) > 0.00001
+    audiodata = meandata/max(meandata);
+else
+    audiodata = meandata;
+end
+
+    
+    
+
+
+