| 单词 | ac-3 | |||
| 释义 | AC-3AC-3(Active Coding-3) Dolby's third digital audio coding technology based on a perceptual coding method. Introduced in 1991 initially for surround sound in theaters, AC-3 is more advanced than AC-2 and provides six channels of audio in less space than a two-channel stereo CD. AC-3 and "Dolby Digital" are synonymous. See Dolby Digital, AC-1 and AC-2.AC-3
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