Shazam's song recognition uses spectrogram peaks and hashtable lookups
Original titleThe serious answer to how Shazam worked is it took the peaks of a spectrogram of short clips of every song, find the peaks from the highe...
AISummary
Shazam identifies songs by extracting the highest-amplitude peaks from a spectrogram of short clips, hashing them with timestamp and track ID values. Recognition then relies on a hashtable lookup rather than AI, as the author's college CS project demonstrated and the original paper describes.
Source: Deedy · x.comPublished · added here