CNET Glossary: AC-3 - CNET Reviews

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Believe, continued. Porsche Panamera.

CNET GLOSSARY: Terms for the techie

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AC-3
This digital surround-sound format for home audio is called Dolby Digital in theaters. It is a 5:1 format, with six separate audio tracks. AC-3 has been chosen as the official sound format for digital TV and is commonly used to encode DVD soundtracks.

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