2 ms·
The server has to compare the signature of the sound recorded by your computer to the signature of the sound recorded by your phone. The sounds will not be iden
by _kst_ 11y ago
The server has to compare the signature of the sound recorded by your computer to the signature of the sound recorded by your phone. The sounds will not be identical, so the signature comparison has to be able to detect whether two sound recordings are sufficiently similar. It can't use, for example, SHA1 hashes for this purpose.
- bcg1 11y agoCouldn't they ignore noise below a certain threshold and create the signature just based off of the "peaks" and "troughs" so they could expect an exact match, and/or hash several samples from the recording in case some portions don't produce an exact match? Seems like there should be a way to this without revealing information about the recorded sound