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202:; a digital summary of the sound. A microphone is used to pick up an audio sample, which is then broken down into a simple numeric signature, a code unique to each track. Using the same method of fingerprinting sounds, when Shazam picks up a sound clip, it will generate a signature for that clip. Then it’s simple pattern matching from there using an extensive audio music database.
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The practice of using acoustic fingerprints is not limited to just music, however, but other areas of the entertainment business as well. 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
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Other services such as Midomi and
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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.
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262:References
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