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DVD Sound Formats Explained
Last Updated on Monday, November 27th, 2006 11:30 AM
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When the DVD was introduced as a home video format, one of the major advantages it had over VHS cassette tapes was superior sound capability. Discrete multi-channel sound was now possible (a feature enjoyed by the LaserDisc format, which never reached widespread mainstream acceptance), offering six individual channels of sound:
Later, an additional channel of sound was possible for a Rear Surround channel. This channel was implemented differently by the two companies that were offering sound encoding for DVD: Dolby and DTS. Both companies provide sound technology for theatrical movie releases (read more about the Digital Sound Formats).
Below is a summary of the sound formats that you will find on most DVD titles.
Most DVD titles have a Setup menu selection where you can select the sound format you would like to have played during the movie. When both Dolby Digital and DTS are available, usually Dolby Digital is selected by default to be compatible with the most home theater systems.
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