5

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?
3

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

see: http://en.wikipedia.org/wiki/Acoustic_fingerprint & http://en.wikipedia.org/wiki/Hash_function also might be of interest: https://stackoverflow.com/questions/2068286/music-recognition-and-signal-processing

and yes, you can get fake out many of those platforms (for whatever your perfectly legal purpose is) One possibility is detailed here: http://www.turkeymonkey.com/2009/07/19/how-to-get-around-that-pesky-copyrighted-audio-filter-on-youtube-and-facebook/

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.