ELI5: Explain Like I'm 5

Audio fingerprinting

Audio fingerprinting is like a way to recognize songs just by listening to little parts of them, kind of like how you might recognize your friend's voice even if they just said one word!

Imagine you have a big book with lots of pictures of different toys in it. In the book, each toy has a special barcode that only it has. When you look at a toy and scan its barcode, the book can tell you what toy it is.

Audio fingerprinting is kind of like that, but with songs instead of toys. When you listen to a song, the computer takes little snapshots of the sound called "samples" and compares them to other songs in a big database. The samples are like little pieces of a puzzle, and when they all fit together, you can tell which song is which!

This is really useful for things like music recognition apps, where you might want to know what song is playing on the radio or in a store. The computer can use the audio fingerprinting to quickly identify the song without having to listen to the whole thing.