Dolby AC-3

Dolby AC-3

(Dolby Audio Coding-3) The audio coding technology used in Dolby Digital. See Dolby Digital, AC-1 and AC-3.
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1 Dolby AC-3 audio into stereo audio; and performs professional HD down conversion scaling and automatic aspect ratio correction, as well as post-processing the output signal for enhanced video quality.
The coding of digital video signals using the MPEG-2 standard to produce a compressed digital video bit stream is described first, followed by the coding and compression of digital audio, including methods used by MPEG-1 and MPEG-2 standards and the Dolby AC-3 system.
When combined with Cirrus Logic's exceptional Crystal PCI audio accelerators and driver support, the CS4294 can produce incredibly accurate 3D-positional sound and Dolby AC-3 under Microsoft's DirectSound, DirectSound3D and ActiveMovie.
The powerful surround-sound quality of Dolby AC-3, which cost $1,200 last year, is now a bargain at around $499.
Then they rerecorded the original soundtrack in both the Dolby AC-3 Digital and Dolby SurroundSound formats.
In addition, the company plans to introduce a Dolby AC-3 Surround Sound system, the new five-channel audio system that is the next step up from Dolby Pro Logic, next March.
It is Dolby AC-3 compatible and meets Lucas-film THX standards.
That's enough room for a 133-minute film in ultra-high-resolution video, playable either on a wide-screen or standard-format TV monitor, with multiple-language soundtracks using the new, high-end Dolby AC-3 surround-sound standard.
In the MPEG domain, Carbon Coder's addition of Dolby AC-3 brings support for CableLabs, ATSC, and DVB outputs in both the SD and HD domains.
Home Theater show to unveil several new products, including a laserdisc player compatible with Dolby AC-3 Surround Sound.
The Sonic Dolby AC-3 Encoder for the MIPS Consumer Audio Platform converts raw audio PCM streams to an AC-3 elementary stream.
We're at 73 channels now, and the summer announcement will be it, until we go to 200 channels with dolby AC-3 audio technology with the launch of our new satellites," said Karen Muldoon, a company director.