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Shazam is an application that can identify music based on a short sample played using the microphone on the device. [2] It was created by the British company Shazam Entertainment, based in London, and has been owned by Apple since 2018. The software is available for Android, macOS, iOS, Wear OS, watchOS and as a Google Chrome extension.
Shazam's algorithm picks out points where there are peaks in the spectrogram that represent higher energy content. [2] Focusing on peaks in the audio greatly reduces the impact that background noise has on audio identification. Shazam builds their fingerprint catalog out as a hash table, where the key is the frequency.
Shazam also can identify television shows with the same technique of acoustic fingerprinting. Of course, this method of breaking down a sound sample into a unique signature is useless unless there is an extensive database of music with keys to match with the samples. Shazam has over 11 million songs in its database. [1]
Music recognition & audio based music retrieval ~40,000,000 [47] Commercially available with SDKs, APIs for file scanning, airplay monitoring, shazam-liked features Free trial available in 15 days Gracenote: Identification service for CDs and other media. ~100,000,000 [48] ~8,000,000 [48] 1 billion "submissions". [49] Quantone
Shazam (wizard), a character from the Shazam!/Captain Marvel comics, who gives the superhero and his associates their powers; Shazam!, a scrambler-style theme park ride based on DC's Shazam character, located at Six Flags St. Louis, Missouri, U.S. Shazam!, 1974-77 live-action television series based on the comic book franchise
In 2012, Shazam announced that it drove over $300 million a year in music downloads. [21] [22] Shazam had raised $143.5 million in venture capital financing and its investors included Kleiner Perkins, [23] IDG Ventures, [16] DN Capital, Institutional Venture Partners, Sony Music, Universal Music and Warner Music. [24]
Shazam can identify prerecorded music being broadcast from any source, such as a radio, television, cinema or music in a club, provided that the background noise level is not high enough to prevent an acoustic fingerprint being taken, and that the song is present in the software's database.
Musipedia, on the other hand, can identify pieces of music that contain a given melody. Shazam finds exactly the recording that contains a given snippet, but no other recordings of the same piece. Musipedia is included in some library catalogs on music-finding, which include other papers and online resources. [3]