Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. An acoustic fingerprint is a condensed digital summary, deterministically generated from an audio signal, that can be used to identify an audio sample or quickly locate similar items in an audio database. Practical uses of acoustic fingerprinting include identifying songs, melodies, tunes, or advertisements; sound effect library management; video file identification; and much more. Media identification using acoustic fingerprints can be used to monitor the use of specific musical works and performances on radio broadcast, records, CDs and peer to peer networks. This identification has been used in copyright compliance, licensing, and other monetization schemes.

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