ATRL Contributor
Member Since: 12/7/2008
Posts: 87,284
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Post Your Shazam-ed Songs!
What is Shazam:
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Shazam is an app for Macs, PCs, and smartphones, best known for its music identification capabilities that has expanded to integrations with cinema, advertising, TV and retail environments.
Shazam uses a smartphone or computer's built-in microphone to gather a brief sample of audio being played. It creates an acoustic fingerprint based on the sample and compares it against a central database for a match. 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, Spotify, YouTube, or Zune. In December 2013, Shazam was one of the top ten apps in the world, according to its CEO.The Shazam app has more than 100 million monthly active users and has been used on more than 500 million mobile devices, as of August 2014.In October 2014, Shazam announced its technology has been used to identify 15 billion songs.
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How does Shazam work:
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Shazam works by analyzing the captured sound and seeking a match based on an acoustic fingerprint in a database of more than 11 million son
Shazam identifies songs based on an audio fingerprint based on a time-frequency graph called a spectrogram.
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.
Once it creates the fingerprint of the audio, Shazam starts the search for matches in the database. If there is a match, it returns the information to the user; otherwise it returns a "song not known" dialogue.
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.
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Is Shazam in your downloaded apps? Where do you use it? Share your particular experiences with songs youve heard and Shazamed it? More importantly, share us your Shazam songs list! 
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