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Does a DVD with Dolby Digital Audio mean it is in Surround Sound?

April 26, 2017audio dolby digital DVD mean

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Does a DVD with Dolby Digital Audio mean it is in Surround Sound?

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Not necessarily. Dolby Digital (AC-3) is the main audio standard used for surround sound. However, AC-3 can also be in 1.0 (mono), 2.0 (stereo), 2.1 (stereo with subwoofer), 3,0 (Stereo with center speaker), 4.0, 5.0 and 5.1. As you can see, Dolby Digital can have many different configurations, even on the same disc. Furthermore, DVD’s that contain surround sound must have special audio masters. Therefore, an ordinary tape in stereo can not be converted into a surround sound DVD.