Tuesday, October 21, 2008

Similarity Matrix

A Similarity Matrix compares the similarity of a set of data. This matrix shows repetition in the Beatles' song, "Hey Jude".

Discussion
1. The "deep blue" part along the off-diagonal lines of similarity matrix represents repeating parts.
2. The chorus is easier to detect from the similarity matrix than the verse.
3. The dissimilar part between very similar parts is usually instrument playing without vocal sounds.
4. In Beatles' "Hey, Jude", the second half over 2 minutes is composed of one sentence only. It repeats many, many times. Salute to you, Beatles.

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