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Surround sound MP3s


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Surround sound MP3s

ananova

Scientists have come up with a way or producing MP3 files with surround sound.

Previously it was thought reproducing surround sound required too much data for small MP3 files.

But the Fraunhofer Institute has found a way that works with MP3, reports the BBC.

Fraunhofer said that the system it developed would work with existing MP3 software and music players.

Surround sound is usually produced by recording audio on different channels so it appears to come from three or more directions.

But Fraunhofer reproduces surround sound by adding to MP3 encoding extra information that describes the spatial characteristics of the main audio track.

Using this extra information helps MP3 players recreate the surround sound effect.

Music encoded with the new system will work with older hardware and software MP3 players but the extras will only create surround sound when piped through a player that can do something with the extra information.

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