acoustic fingerprint - Computer Definition
A summary of the attributes of sound that is used to identify a variety of audio material, including music, sound effects and radio broadcasts. It is widely used to identify commercial music recordings over the radio. The fingerprint is an analysis of the audio waveforms and includes such characteristics as beats per minute (tempo), frequency range, average power in each frequency band (spectral flatness) and acoustic resonances. See music search, Mobile MusicID, MusicDNS and Shazam.