acoustic fingerprint


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acoustic fingerprint

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.
References in periodicals archive ?
This acoustic fingerprint is comprised of a material's spectral acoustic properties of impedance, sound velocity and absorption, which allow a computer to be programmed to automatically detect illicit materials such as plastic explosives.
The portal's proprietary Acoustic Core(TM) spectral analysis package quantitatively analyzes technology acoustic properties of screened objects, which produce an acoustic fingerprint.
Shazam collects acoustic fingerprints of music and matches it against its database of more than 35 million songs, allowing its more than 85 million monthly active users in 200 countries to quickly identify the name and artist of a song they hear over the radio.