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| | Dolby Digital - Wikipedia, the free encyclopedia |
 | | Dolby Digital, or AC-3, is the common version containing 6 total channels of sound, with 5 channels for normal-range speakers (Right front, Center, Left Front, Right Rear and Left Rear) and one channel for the LFE, or subwoofer. |
 | | Dolby Digital EX Dolby Digital EX is similar in practice to Dolby's earlier Pro-Logic format, which utilized Matrix technology to add a center and single rear surround channel to stereo soundtracks. |
 | | Dolby is part of a group of organizations involved in the development of AAC (Advanced Audio Coding), part of MPEG specifications, and also considered the successor to MP3. |
| en.wikipedia.org /wiki/Dolby_Digital (806 words) |
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