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Today a lot of websites that allow the upload of media content are implementing automatic sound signature checks to prevent the illegal distribution of videos containing copyrighted content.

  • How does the sound recognition system work?
  • How could such an algorithm be tricked?
  • Could the sound be altered enough to change the sound signature without significantly changing the human experience of the sound?
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Thanks, very good and informative article on the subject. It gives me a start point for investigation. – Ucodia Sep 28 '11 at 6:58
up vote 3 down vote accepted

The recognition software is just comparing hashes/fingerprints...

see: & also might be of interest:

and yes, you can get fake out many of those platforms (for whatever your perfectly legal purpose is) One possibility is detailed here:

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