diff dsp/rhythm/BeatSpectrum.h @ 256:43943a4382ef

* Add cosine distance and the self-similarity matrix used for SB rhythmic
  similarity
* Pull out SB timbral similarity KL divergence into its own file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dsp/rhythm/BeatSpectrum.h	Fri Jan 18 14:40:20 2008 +0000
@@ -0,0 +1,35 @@
+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
+
+/*
+    QM DSP Library
+
+    Centre for Digital Music, Queen Mary, University of London.
+    This file copyright 2008 Kurt Jacobson and QMUL.
+    All rights reserved.
+*/
+
+#ifndef BEATSPECTRUM_H
+#define BEATSPECTRUM_H
+
+#include <vector>
+
+/**
+ * Given a matrix of "feature values", calculate a self-similarity
+ * vector.  The resulting vector will have half as many elements as
+ * the number of columns in the matrix.  This is based on the
+ * SoundBite rhythmic similarity code.
+ */
+
+class BeatSpectrum
+{
+public:
+    BeatSpectrum();
+    ~BeatSpectrum();
+
+    std::vector<double> process(const std::vector<std::vector<double> > &inmatrix);
+
+};
+
+#endif
+
+