Compare two spectogram to find the offset where they match algorithm

Question

I record a daily 2 minutes radio broadcast from Internet. There\'s always the same starting and ending jingle. Since the radio broadcast exact time may vary from more or les

Answer 1

Here is a good python package that does just this:

https://code.google.com/p/py-astm/

If you are looking for a specific algorithm, good search terms to use are "accoustic fingerprinting" or "perceptual hashing".

Here's another python package that could also be used:

http://rudd-o.com/new-projects/python-audioprocessing/documentation/manuals/algorithms/butterscotch-signatures