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Audio Fingerprinting

A technique that creates a unique digital signature of audio so it can be identified or matched.

Audio fingerprinting generates a compact, unique digital signature from an audio signal that can be used to recognize or match that audio later, even in noisy or altered conditions. It underpins content recognition systems like music-identification apps and platforms such as YouTube Content ID. In rights and compliance workflows, fingerprinting is used to detect copyrighted music inside a piece of content.