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	Dolby Digital - Wikipedia, the free encyclopedia
		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 Digital SR-D cinema soundtracks are optically recorded on a 35mm release print using sequential data blocks placed between every perforation hole on the sound track side of the film.
		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 (1014 words)

	Encyclopedia at AudioXchange: Dolby Digital - Online Store & Product Reviews (Site not responding. Last check: 2007-10-21)
		Dolby Digital is the trademark for Dolby Laboratories' AC-3 lossy audio compression (or data reduction) system.
		Dolby Digital EX provides a rear centre channel by matrixing it in the two 2 rear channels.
		It should be noted, then, that Dolby Digital EX is really a separate system: it is a "bolt on" to the core 5.1 audio compression standard in order to provide a sixth channel that could otherwise not be accomodated.
	www.audioxchange.com /encyclopedia/Dolby_Digital.shtml (561 words)

	Dolby \| News and Events
		Dolby Digital Plus was included as an option in the DVB's audio-video specifications at the request of various parties within the consortium, including broadcasters and electronics manufacturers.
		Dolby Digital Plus is an extension of the popular Dolby Digital format, an audio standard for DVD-Video players worldwide, and the choice for many existing DTV systems around the world.
		Dolby Digital Plus offers coding efficiencies for systems where bandwidth is at a premium or limited, such as next-generation cable, broadcast, and satellite systems, as well as channel and bit-rate extensibility for the future.
	investor.dolby.com /ReleaseDetail.cfm?ReleaseID=157115 (648 words)

	Dolby Digital Plus - Wikipedia, the free encyclopedia
		Dolby Digital Plus (DD+), also known as E-AC-3, was developed specifically for the introduction of HDTV and HD-DVD/Blu-ray discs.
		The codec supports coded-bitstream rates up to 6.144 Mbit/s, compared to 640 Kbit/s for the original Dolby Digital AC-3, and can carry up to 13.1 channels in a single stream.
		The algorithm is not directly backwards compatible with AC-3 — existing AC-3 decoders will not be able to decode E-AC-3 streams — but Dolby Digital Plus-capable equipment is required to be able to convert E-AC-3 streams to AC-3 for compatibility with existing Dolby Digital A/V processors.
	en.wikipedia.org /wiki/Dolby_Digital_Plus (232 words)

	Dolby Laboratories: Facts and details from Encyclopedia Topic (Site not responding. Last check: 2007-10-21)
		Dolby Stereo is an analog optical technology developed for 35 mm prints and is encoded with four sound channels: Left/Center/Right (which are located behind the screen) and Surround (which is heard over speakers on the sides and rear of the theatre) for ambient sound and special effects.
		Dolby pro logic is an analog surround sound system developed by dolby laboratories in 1976 for cinema sound systems as dolby analog sr....
		Dolby E is a professional coding system optimized for the distribution of surround and multichannel audio through two-channel postproduction and broadcasting infrastructures, EHandler: no quick summary.
	www.absoluteastronomy.com /encyclopedia/d/do/dolby_laboratories.htm (1442 words)

	Dolby Technologies Mandatory On Both HD DVD and Blu-ray Disc Next-Generation Packaged Media Formats. - Business Wire - ... (Site not responding. Last check: 2007-10-21)
		Dolby Digital Plus offers bit-rate and channel extendibility and is an extension of the popular Dolby Digital format, which is the audio standard for DVD-Video worldwide and North American high-definition television (HDTV).
		Dolby Digital Plus offers coding efficiencies for systems where bandwidth is at a premium or limited, such as next-generation cable, broadcast, and satellite systems.
		Dolby Digital technology is the worldwide standard for DVD-Video, and the audio standard for North American high-definition television (HDTV) and ATSC digital cable systems worldwide.
	highbeam.com /doc/1G1:122507510/Dolby+Technologies+Mandatory+On+... (992 words)

	Dolby_E-AC-3
		Dolby Digital Plus is designed to meet the four major qualifications of a next-generation broadcast audio codec: backward compatibility, spectral efficiency, and cost savings, as well as compatibility with future formats.
		Dolby Digital Plus is less complex and requires fewer changes to the existing infrastructure than other codecs, making it the more economical selection.
		Dolby Digital Plus is a candidate for such high-definition packaged media formats, making it an excellent choice for broadcasters wishing to be aligned with these new formats while maintaining compatibility with decoding systems that will play them.
	www.atsc.org /news_information/member_press/2004/Dolby_E-AC-3.htm (637 words)

	Dolby Digital Plus, and DTS-HD - release? - Audioholics Home Theater Forums
		Dolby is still nearly 1 year away from finalizing the spec for DD++ and the horsepower requirements are pretty extensive.
		Dolby Digital Plus has a maximum bit rate of 6mbps and supports 13.1 channels.
		Whereas the original Dolby Digital signal was sent over either optical or coaxial cables, Dolby Digital Plus uses the new HDMI connector.
	forums.audioholics.com /forums/showthread.php?p=69282 (776 words)

	HDTV Magazine Articles: Multi-channel Audio for HD
		Dolby Digital Plus was also announced as capable of a higher-bit rate enhancement to Dolby's existing AC-3 (Dolby Digital) lossy audio compression format.
		Dolby Digital Plus format supports new levels of quality data rates as high as 6 Mbps on 7.1 channels, with a bit-rate performance of at least 3 Mbps on HD-DVD and up to 4.7 Mbps on Blu-ray Disc.
		Dolby TrueHD is 100% lossless audio, delivering audio playback performances in the home that are bit-for-bit identical to studio masters, designed for next generation HD DVD and Blu-ray formats.
	www.hdtvmagazine.com /articles/2006/04/multi-channel_audio_for_hd.php (3667 words)

	Home Cinema News
		Dolby Digital Plus offers bit-rate and channel extendibility and is an extension of the popular Dolby Digital format, the audio compression standard for DVD-Video players worldwide and the mandated or de facto standard for many DTV systems around the world.
		The DVD Forum's selection of Dolby Digital Plus as a mandatory audio standard is intended to ensure future compatibility of HD-DVD software media and playback devices with the more than 39 million A/V receivers equipped with Dolby Digital in homes today.
		Dolby Digital Plus also offers coding efficiencies for systems where bandwidth is at a premium or limited, such as next-generation cable, broadcast, and satellite systems.
	www.homecinemachoice.com /cgi-bin/shownews.php?id=7068 (536 words)

	Digital Audio Video - Editorial
		Dolby Digital Plus is basically a smaller step-up from SACD and DVD-Audio, but offering up to 7.1 Discrete channels (and the capability to do more, although BD and HD-DVD will only currently support a maximum of 7.1 discrete channels).
		What is for certain though, these new soundtracks, even the ones that are choosing just Dolby Digital Plus for now, are certainly to blow away their DVD counterparts as Dolby 5.1 is limited to 640kbps and DTS is limited to 1509 kbps on DVD.
		A lot of people are unhappy they are selecting Dolby on the disc menu and their preamp or receiver says “DTS,” but this is the way it is as DTS is the better choice for re-encoding as it can handled 1509kbps, which is much closer to the rate of Dolby Digital Plus.
	www.digitalaudiovideo.com /index.php?module=editorial_show (1131 words)

	Dolby Digital - (Site not responding. Last check: 2007-10-21)
		Dolby Digital Live is currently available in sound cards from manufacturers such as Turtle BeachMontego DDL.
		Dolby Digital Surround EX Whereas Dolby's Pro-Logic IIx format creates 6.1 and 7.1 channel output from stereo 2 channel (2.0).
		Dolby formats, the Digital Surround EX codec adds a sixth and sometimes seventh channel to standard (non-EX) 5.1 channel Dolby Digital soundtracks.
	psychcentral.com /psypsych/AC-3 (866 words)

	HD audio: Dolby TrueHD & Digital Plus Products - High Def Forum - Your High Definition Community & High Definition ...
		Dolby Digital Plus (DP) and Dolby True HD (DT) will not go through optical or digital coax (even though the player has decoded it).
		And since a digital connection will be required for certain movies to be displayed in HD (not downconverted), the player would need to have two HDMI connections (or mix with DVI)...which I highly doubt would be the case.
		Dolby Digital Plus doesn't require HDMI of any kind because it is compressed.
	www.highdefforum.com /showthread.php?t=20181 (1667 words)

	Dolby demos Dolby Digital Plus - News at GameSpot (Site not responding. Last check: 2007-10-21)
		Dolby demos Dolby Digital Plus - News at GameSpot
		Dolby Digital Plus builds on the original Dolby Digital specifications, allowing for higher bit rates and more channels.
		Dolby couldn't explicitly say if Dolby Digital Plus will be used on upcoming game consoles, leaving those announcements for first parties.
	www.gamespot.com /news/2005/01/06/news_6115922.html (511 words)

	HTGuide Forum - Dolby Digital Plus to be announced at NAB
		I got word of this new Dolby digital format to be called Dolby Digital Plus from an industry friend and its supposed to be unvielded at the NAB conference shortly.
		Representing the second generation of Dolby Digital, the unnamed process will be unveiled in ongoing demonstrations to the broadcast and production communities.
		According to Riedmiller, all of the Dolby Digital audio metadata is preserved in the new system, and the next generation of decoders will be able to play both existing Dolby Digital and the enhanced format with all of metadata intact.
	www.htguide.com /forum/showthread.php4?t=4284 (1537 words)

	Two New Codecs Chosen for Blu-Ray Format - Home Video News - Digital Trends
		Dolby Digital Plus is an extension of Dolby Digital, an approved audio standard for DVD-Video worldwide and for North American digital cable and digital television broadcasting.
		While providing bit-rate and channel extendibility for future formats, Dolby Digital Plus is designed to be fully compatible with the millions of A/V receivers equipped with Dolby Digital technology in the market today.
		Dolby Digital Plus is also designed to offer discrete channel coverage to 7.1 or more channels, as well as new streaming and mixing capabilities for the future needs of content creators and providers.
	news.digitaltrends.com /article7154.html (336 words)

	Dolby \| Technology \| Technologies Overview (Site not responding. Last check: 2007-10-21)
		In digitally equipped theatres, it serves as a backup in case of problems with the digital track.
		Found in PC and console-based videogame applications, Dolby Digital Live converts any stereo or multichannel audio signal to Dolby Digital format for a dramatic, real-time audio experience and simple (one plug) connection to an A/V receiver for playback.
		Dolby Digital Surround EX Surround sound format that introduces a center rear channel to the 5.1 playback format of Dolby Digital.
	www.dolbylabs.com /consumer/technology/tech_overview.html (977 words)

	Dolby Digital Plus Incorporated into ATSC Standard (Site not responding. Last check: 2007-10-21)
		Additionally, in a subsequent membership vote completed on July 27, the ATSC approved a revision of the ATSC Digital Television Standard that specifies Dolby Digital Plus as the high-efficiency audio coding system to be used for robust mode transmission of E-VSB.
		In April 2004, the ATSC elevated Dolby Digital Plus to Candidate Standard status as part of its work on the development of the E-VSB robust mode.
		Dolby Digital Plus is a sophisticated and versatile audio codec based on Dolby Digital and is designed specifically to adapt to the changing demands of future audio delivery, video delivery, and audio storage systems.
	www.audioholics.com /news/pressreleases/DolbyDigitalPlusATSC.php (474 words)

	Broadcom's Family of Advanced High-Definition Video Compression Chips First to Support Dolby Digital Plus and Coding ...
		Implemented in software on powerful audio DSP engines, Dolby Digital Plus and aacPlus can be downloaded onto decoder chips, enabling existing customers and service operators to upgrade their set-top boxes and immediately take advantage of the improved bandwidth efficiency resulting from these powerful audio codecs.
		Dolby Digital Plus is an enhanced coding system based on the Dolby Digital codec and offers increased bit rate efficiency, reduces compression artifacts and is backward-compatible with existing Dolby Digital deployments.
		Dolby Digital Plus is being transcoded to Dolby Digital for backward-compatible S/PDIF connectivity with existing A/V receivers.
	www.prnewswire.com /cgi-bin/stories.pl?ACCT=109&STORY=/www/story/04-25-2006/0004346865&EDATE= (1316 words)

	Dolby's HD Solution \| Dolby Digital Plus
		Digital Plus is the next-generation audio technology for all high-definition programming and media.
		Built on Dolby Digital, the multichannel audio standard for DVD and HD broadcasts worldwide, Dolby Digital Plus was designed for the delivery formats of the future, but remains fully compatible with all current A/V receivers.
		With Dolby Digital Plus, you get even higher-quality audio, more channels, and greater flexibility.
	dolbysearch.dolby.com /promo/HD/ddplus.html (383 words)

	Stereophile: MLP Lossless For HD DVD
		One of those differences was revealed last week as Dolby Laboratories announced that varying versions of their audio technologies have been selected as "mandatory formats" for HD DVD and Blu-ray.
		Dolby says the DVD Forum has selected Dolby Digital Plus and MLP Lossless as mandatory audio formats for HD DVD and the Blu-ray Disc Association announced that Dolby Digital will be a mandatory on Blu-ray Disc.
		DDP will likely find uses where bandwidth is at a premium or limited, such as with future cable, broadcast, and satellite systems.
	www.stereophile.com /news/092704mlp (628 words)

	Dolby Digital Plus? - AVS Forum
		The Dolby Digital Plus flavor is the same for BD and HD-DVD; same advanced codec.
		For the record, as we were just informed in a different thread, BD had only recently adopted Dolby Digital Plus Lossless after it adopted DTS HD Lossless.
		Dolby 2.0 means you're going to get audio from left and right speakers, rather than center channel.
	www.avsforum.com /avs-vb/showthread.php?p=5497374 (3108 words)

	Dolby Digital Plus and MLP Lossless Selected as Optional Audio Codecs by the Blu-ray Disc Association (Site not responding. Last check: 2007-10-21)
		Dolby Digital Plus and MLP Lossless audio technologies have been approved for the next-generation Blu-ray Disc.
		As the industry shifts to HD entertainment, Dolby intends to provide artists, directors, producers, and other content creators the optimum tools they need to communicate their art form at the highest-quality levels.
		"Dolby is a leader in multichannel audio technologies and the advanced capabilities of Dolby Digital Plus and the original performance quality of MLP Lossless have much to offer the Blu-ray Disc format," said Pioneer's Andy Parsons, Senior Vice President, Advanced Product Development, Blu-ray Disc Association.
	www.cdrinfo.com /Sections/News/Details.aspx?NewsId=13391 (663 words)

	DAGOGO CES 2005 Preview: Dolby
		Dolby Digital Plus is an advanced, highly sophisticated and versatile audio codec
		Digital Plus is designed for future multichannel entertainment in broadcast and
		Dolby, Pro Logic, and the double-D symbol are registered trademarks of Dolby Laboratories.
	www.dagogo.com /CES2005/preview/previewDolby.html (760 words)

	What is Dolby Digital Plus? - A Word Definition From the Webopedia Computer Dictionary (Site not responding. Last check: 2007-10-21)
		Dolby Digital Plus is the next-generation audio technology for all high-definition programming and media.
		Dolby Digital Plus supports two important new digital connections: High-Definition Media Interface (HDMI) and IEEE 1394 (FireWire).
		A history of multichannel audio from mag stripe to Dolby Digital.
	www.webopedia.com /TERM/D/Dolby_Digital_Plus.html (317 words)

	DriverHeaven.net - Dolby demos Dolby Digital Plus
		Dolby Digital Plus features more than ten times the bandwidth of Dolby Digital.
		The benefits of the Dolby Digital Plus codec include transient pre-noise processing, enhanced channel coupling, adaptive hybrid transform processing, and channel and program extensions.
		Dolby Digital Plus will send signals to 13.1 channels only if HDMI is used, a definite no-no for me. Plus I prefer DTS to DD at anytime, too.
	www.driverheaven.net /showthread.php?t=65502 (702 words)

	Harmonic To Add Support for Dolby Digital Plus
		Dolby Digital Plus is a key audio technology that can improve the viewer's listening experience while helping to reduce overall bandwidth utilization.
		Built on Dolby Digital, the sound of DVD and HD broadcasts worldwide, Dolby Digital Plus was designed for the delivery formats of the future, including H.264 and VC-1.
		Dolby is demonstrating Dolby Digital Plus at the National Association of Broadcasters Conference and Expo in its booth (SU2923) April 24-27 in Las Vegas.
	www.digitaleditor.com /News/Archives/2006/04260604 (886 words)

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