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diff aux/autoaligntest.m @ 3:1f7b986dab05

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Added autoalign.m: aligns audio by zero-padding before the signal to align the peak of the crosscorrelation function
author Brecht De Man <b.deman@qmul.ac.uk>
date Mon, 17 Nov 2014 23:01:09 +0000
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/aux/autoaligntest.m	Mon Nov 17 23:01:09 2014 +0000
@@ -0,0 +1,14 @@
+% autoalign test
+% generate files to test autoalign.m 
+
+[fragment,fs] = audioread('../../AUDIO/SR1/pro.wav', [10*96000, 20*96000]); % from 0:10 to 0:20
+
+% files with increasing leading zeros - end result should be all same file
+N = 5; 
+spacing = 45678; % samples
+
+for i = 1:N
+    audiowrite(['autoaligntest' num2str(i) '.wav'], ...         % file name
+        [zeros(i*spacing, size(fragment, 2)); fragment], ...    % audio
+        fs, 'BitsPerSample', 24);                               % format
+end
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