AC-3


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AC-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.
References in periodicals archive ?
However, a dearth of AC-3 encoded software probably will constrain AC-3's market growth the first year.
20 /PRNewswire/ FoxVideo and its exclusive laserdisc distributor, Image Entertainment, (Nasdaq-NNM: DISK) today announced that "True Lies," the James Cameron-helmed $145 million blockbuster, will employ the recently announced Dolby Surround AC-3 Digital technology for its Feb.
Sonic Solutions (Nasdaq:SNIC) today introduced the Sonic Dolby(R) Digital AC-3 Encoder for MIPS(R) Technologies' (Nasdaq:MIPS) new Consumer Audio Platform.
By adding AC-3 to LSI Logic's extensive product portfolio, LSI Logic is now able to market dual-mode devices which support both MUSICAM (the MPEG audio standard) and Dolby's AC-3," said Peng Ang, vice president of LSI Logic's digital video products group.
First employed in the digital film sound format, Dolby Digital AC-3 was recently chosen as the audio format for future U.
Dolby AC-3 coding is already bringing audiences in hundreds of theaters a new standard in film sound, Dolby Stereo Digital, which has been used for more than 40 movies since its introduction in June 1992.
1 or stereo AC-3 files to DVD (DVD-R, DVD+R, DVD-RW and DVD+RW).
Zoran is pleased to apply its ZR38521 AC-3 decoder, the leading solution in the consumer electronics market, to this exciting new offering.
Zoran's product line includes JPEG codecs, MPEG video decoders, and AC-3 and MPEG audio decoders.
The availability of the ZR38600 single chip AC-3/QSurround solution will allow the industry proven QSound algorithm to be incorporated into a very wide range of very exciting, Dolby AC-3 driven entertainment products, without the need for additional hardware expense", said Paul Goldberg, vice president of Systems Solutions of Zoran Corporation.