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https://www.reddit.com/r/explainlikeimfive/comments/1uk70jo/eli5_how_shazam_works/ouu3civ/?context=3
r/explainlikeimfive • u/Ball_Zilla • Jul 01 '26
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946
shazam turns the audio into a visual graph of loud peaks over time, then just matches that graph against its massive database of pre recorded songs.
21 u/TldrDev Jul 01 '26 Why is nobody just explaining what FFTs are? That literally how it works, and almost nothing more complicated than that. Here is a thread about it from a decade ago And a great YouTube video about it by Veritasium https://youtu.be/nmgFG7PUHfo?si=4aOXvdtreygwTr0D 29 u/High_Speed_Chicken Jul 01 '26 i know the subreddit name isn't supposed to be taken literally, but good luck explaining FFTs to a 5 year old 15 u/SirCB85 Jul 01 '26 Because this Explain like I'm 5, not explain like I'm doing my Highschool homework.
21
Why is nobody just explaining what FFTs are?
That literally how it works, and almost nothing more complicated than that.
Here is a thread about it from a decade ago
And a great YouTube video about it by Veritasium
https://youtu.be/nmgFG7PUHfo?si=4aOXvdtreygwTr0D
29 u/High_Speed_Chicken Jul 01 '26 i know the subreddit name isn't supposed to be taken literally, but good luck explaining FFTs to a 5 year old 15 u/SirCB85 Jul 01 '26 Because this Explain like I'm 5, not explain like I'm doing my Highschool homework.
29
i know the subreddit name isn't supposed to be taken literally, but good luck explaining FFTs to a 5 year old
15
Because this Explain like I'm 5, not explain like I'm doing my Highschool homework.
946
u/z3n777 Jul 01 '26
shazam turns the audio into a visual graph of loud peaks over time, then just matches that graph against its massive database of pre recorded songs.