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Concept
Shazam (application)
Summary
Shazam is an application that can identify music, movies, advertising, and television shows, based on a short sample played and using the microphone on the device. It was created by London-based Shazam Entertainment, and has been owned by Apple Inc. since 2018. The software is available for Android, macOS, iOS, Wear OS, watchOS and as a Google Chrome extension.
The original UK developer of the app, Shazam Entertainment Limited, was founded in 1999 by Chris Barton, Philip Inghelbrecht, Avery Wang, and Dhiraj Mukherjee. On September 24, 2018, the company was acquired by Apple for a reported $400 million.
Shazam identifies songs using an audio fingerprint based on a time-frequency graph called a spectrogram. It uses a smartphone or computer's built-in microphone to gather a brief sample of audio being played. Shazam stores a catalogue of audio fingerprints in a database. The user tags a song for 10 seconds and the application creates an audio fingerprint. Shazam works by analyzing the captured sound and seeking a match based on an acoustic fingerprint in a database of millions of songs. If it finds a match, it sends information such as the artist, song title, and album back to the user. Some implementations of Shazam incorporate relevant links to services such as iTunes, Apple Music, Spotify, YouTube Music, or Groove Music.
Shazam can identify music being played from any source, 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.
As well as the free app, the company has released a paid app called Shazam Encore. In September 2012, the service was expanded to enable TV users in the US to identify featured music, access cast information, and get links to show information online, as well as added social networking capabilities.
In 2014, Shazam redesigned their app and added additional features.
Shazam runs on Android, Wear OS, iOS, watchOS, BlackBerry OS, and Windows Phone systems.
Official source
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