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The music fingerprinting on my Android phone works in airplane mode, so it would be possible with modifications. Also, it's likely that Shazam is sending a "has
by jetrink 2y ago
The music fingerprinting on my Android phone works in airplane mode, so it would be possible with modifications. Also, it's likely that Shazam is sending a "hash" of the audio rather than an audio stream in most cases.
- zorked 2y agoEuropean law tends not to like "clever" workarounds. IANAL but I belive you would still be practicing illegal surveillance.
- InDubioProRubio 2y agoIts not a hash though? Its a reverse - fourier transform system that matches the sound- similar to the filter that filters out the vuvuzelas? https://www.dechicchis.com/assets/Joseph-DeChicchis-Music-Identification.pdf https://www.dechicchis.com/assets/Joseph-DeChicchis-Music-Id... Like having a distinctive click impulse and get the cathedral from that.
- jetrink 2y agoCtrl-F in that document for 'hashing'. That step reduces the audio information to a sparse collection of key points, one for each of four frequency ranges per time segment. I would assume that everything up to that step is done on the phone and only the key points are sent to the server.
- InDubioProRubio 2y agoI stand corrected. Just sped-read over the abstract.