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Topic: Dolby Surround

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	Dolby Digital - Wikipedia, the free encyclopedia
		Dolby Digital EX is very 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 (747 words)

	[No title]
		Surround may not be getting the public attention it deserves, but then, the lack of technology awareness is desirable in art.
		Dolby A, B, C, S and SR are noise reduction processes that have nothing to do with surround except that Dolby MP uses a modified Dolby-B on the surround signal, and VHS linear stereo uses (additional) normal Dolby-B on both channels.
		Dolby recommends that the surround speakers be located 5 feet closer to the average listener than the front speakers, and that the "surround" signal be electronically delayed by 20 milliseconds (for a net arrival delay of 15 mSec compared to "front" sound).
	www.access-one.com /rjn/laser/legacy/ld03.txt (6650 words)

	Crane Audio - Dolby 7.1 Surround Sound (Site not responding. Last check: 2007-08-08)
		Dolby Digital surround 5.1 and 6.1 (EX) channel sound use a number of surround speakers combined with a subwoofer to produce an exceptionally full sound, using the positioning of these speakers to create a hemispheric soundstage.
		Dolby EX 6.1 uses the same techniques as 5.1 surround sound, but uses two centre speakers, rather than 5.1's one.
		Dolby 7.1 surround sound is amongst the latest addition to surround sound and uses a further speaker to give eight separate sound channels.
	www.craneaudio.com /home-cinema/dolby_7.1_surround_sound.asp (303 words)

	Sound Formats - Dolby Surround
		Dolby Surround is a 2 channel stereo format for home cinema sources that contains hidden audio information for a front centre and rear surround channel.
		The hidden information remains hidden when the soundrack is played through a two speaker stereo system, so Dolby Surround can be heard on normal television, VHS video and DVD as a stereo format through 2 speakers.
		A good Dolby Pro-Logic system will not attract your attention to the rear speakers - the sound should be so low that you can't hear it directly.
	www.home-cinema-guide.co.uk /sound4.htm (193 words)

	Dolby Surround Sound
		Indeed, the "Dolby Surround" system of today is not much different from the CBS "SQ" matrix system of a decade ago.
		In a textbook Dolby theatre setup, there are a number of them (typically 8) spaced around the hall, they all emit the same signal and thhey all point toward the audience.
		The surround process requires exporting the raw stereo-matrix signal at the pre-amp (line) level in the receiver/amp, then feeding th then feeding the decoded front signals back in at that point.
	margo.student.utwente.nl /el/audio/dolby1.html (5273 words)

	What is Dolby Digital Surround?
		Dolby Digital is an advanced form of digital audio coding that makes it possible to store and transmit high-quality digital sound far more efficiently than was previously possible.
		Because the surround speakers in a home theater system are usually closer to viewers than the front speakers, both Dolby Digital and Dolby Surround Pro Logic playback require a split-second electronic delay of the surround channels.
		As a result, Dolby Digital and other perceptual coding systems such as DTS have been developed to save space by transmitting only the data thatês necessary to portray the original sound, in essence throwing away the rest (which is why these are sometimes known as "lossy" coding systems).
	www.audioholics.com /techtips/specsformats/DolbyDigitalsurroundformat.php (5768 words)

	Dolby digital-dolby surround sound (Site not responding. Last check: 2007-08-08)
		Dolby Labs found a way to fit four surround channels onto the same magnetic strip that had previously only fit a mono (one channel) audio program.
		Surround Sound was more difficult to mix and master, and required technology upgrades to many levels of film production.
		Dolby Labs first introduced Dolby Surround, and then in 1982 introduced Dolby Pro Logic surround sound, which would be a huge success.
	dvd-player.hifi.com /media/seo/dts/dolby_digital_dolby_surround.htm (226 words)

	Dolby Surround for Home
		Dolby Surround was introduced in early eighties by Dolby Laboratories.
		The growth of the Dolby Surround was phenomenal, fueled by its ready acceptance by cinemagoers as a parallel to the theatre experience.
		Dolby technologies are used by sound professionals everywhere, are thrilling audiences in tens of thousands of cinemas every day, and are featured in consumer media that includes audio cassettes, home theater systems, television and satellite broadcasts, and video and computer games.
	www.suite101.com /article.cfm/consumer_electronics/77735 (384 words)

	Dolby Surround Sound (Site not responding. Last check: 2007-08-08)
		Dolby Surround was the earliest consumer version of Dolby's multichannel analog film sound format Dolby Analog SR (Spectral Recording).
		Surround sound is the concept of expanding the spatial imaging of audio playback from 1 dimension (mono/Left-Right) to 2D or 3D.
		Dolby Laboratories was reportedly very displeased with Robertson using the company name as his own stage name and sued him, trying to stop him from using the name Dolby entirely.
	www.blownspeakers.com /pages3/26/dolby-surround-sound.html (1035 words)

	Surround Sound Formats - Dolby Digital, dts, THX Surround EX, dts Extended Surround
		Dolby Digital (formerly known as Dolby AC-3, where AC-3 is short for audio coding 3) is the de facto surround sound standard in today's home theaters.
		Dolby Laboratories, and is the home theater version of "Dolby Digital Surround EX™", an Extended Surround sound format used by state-of-the-art movie theaters.
		The difference between the new Extended Surround formats and their 5.1-channel surround sound counterparts is the addition of a surround back channel, whose corresponding speaker is placed behind the audience.
	www.geocities.com /columbiaisa/audio_surroundsound.htm (1495 words)

	Dolby Digital (AC-3) - TimeForDVD.com
		Dolby Digital features up to five discrete (independent) channels (front center, front left, front right, surround left, surround right; giving it the "5" designation) of full frequency sound (with respect to the range of human hearing, which ideally ranges from 20 Hz to 20,000 Hz), plus a sixth channel for low frequency effects (LFE).
		Dolby Digital 4.0 have discrete audio signals for the center, left, and right channels, plus a mono audio signal that is common for the surround channels.
		Dolby Digital 5.0 is like Dolby Digital 5.1, but lacks a discrete audio signal for the low frequency effects channel.
	timefordvd.com /ref/DolbyDigital.shtml (506 words)

	Dolby Surround Pro-Logic II (Site not responding. Last check: 2007-08-08)
		Since the introduction of Dolby Surround Pro-Logic in the late 1980's, cinema sound has been developed a great deal.
		Dolby Surround Pro-Logic II is an analogue format based on the original, but has a number of new features that addresses the previous limitations of Dolby Pro-Logic in an environment where the '5.1' channel format is commonplace.
		The surround channel is a single, limited-bandwidth channel played back through two rear speakers that adds atmosphere to a soundtrack.
	www.dvdcollectie.nl /sound5.html (224 words)

	GameDev.net - Dolby Surround Sound
		The Dolby decoder reproduces a fairly good semblance of the original four channels from the two input channels, though there will always be leakage and crosstalk.
		In addition, the high frequencies are generally filtered out of the surround channel because higher frequencies are easier to localize, and the surround channel is not supposed to be directional.
		Dolby is a trademark of Dolby labs, and should not be used on a product without getting their permission.
	www.gamedev.net /reference/articles/article440.asp (1609 words)

	Dolby Surround Tools - Specs
		While Dolby Surround Tools is not designed for the final mixing of matrix-encoded theatrical film soundtracks, it can be used to preview the results of the process (4-2-4 monitoring) on the discrete four-channel audio tracks (L, C, R, S) that will subsequently be combined with other elements during the final mixing of film soundtracks.
		Dolby Surround is a phase-matrix encode/decode process that makes it possible for regular stereo program sources to carry four channels of information.
		Because Dolby Surround soundtracks are specially encoded during production and then decoded on playback, producers can control the placement and movement of sounds in a way that creates a remarkably realistic listening experience.
	www.digidesign.com /products/details.cfm?template=specs&product_id=1042 (392 words)

	Dolby Surround Sound
		Dolby Stereo is the name given to the four-channel surround sound developed by Dolby Laboratories and introduced into movie theaters in the 70's.
		Digital surround refers to surround sound systems which employ discrete digital recordings of five channels of sound information.
		The HDTV and laserdisc version of Dolby Surround AC-3 Digital runs at 384 kilobits per second and dynamically allocates the bits to the channel with the most demanding signal.
	hyperphysics.phy-astr.gsu.edu /hbase/audio/dolby.html (465 words)

	3DsoundSurge Press Release: Dolby Puts Surround in Motion (Site not responding. Last check: 2007-08-08)
		The current standard for surround sound is 5.1 channels: left, center, and right speakers in front of the listener; left surround and right surround speakers behind; and a subwoofer (referred to as the ``.1'') to provide the low-frequency sounds.
		Dolby Headphone works with any set of headphones, but it's particularly appropriate for use with wireless headphones, to complete the illusion that the listener is hearing a full speaker system.
		Dolby's BMW X5 demo car will be on display throughout the CES show for members of the industry and public to view and listen to demonstrations of Pro Logic II.
	www.3dsoundsurge.com /press/pr2097.html (1168 words)

	surround
		The general idea in surround sound that there are multiple speakers around the listener and they are used to form a soundfield where the listener can heard sound coming from any direction.
		Dolby Pro-Logic is a souped up version of the old Dolby Surround used in movie industry for few dacades.
		Dolby Digital (known in the past as AC3) is a completely digital system which transmits 6 independent streams of digital data.
	www.messaggeri.it /xsurround.htm (797 words)

	Dolby Digital Surround-EX (Site not responding. Last check: 2007-08-08)
		Jointly developed by Dolby Laboratories and Lucasfilm THX, the EX format made its theatre debut in 1999 with the release of Star Wars Episode 1 - The Phantom Menace.
		Using non-EX decoding, the sound is presented as Dolby Digital 5.1, while an EX equipped decoder will separate the hidden rear channel in the same way that a Dolby Pro-Logic decoder separates the centre channel from a stereo Dolby Surround recording.
		The extra channel is intended to be heard through at least two additional speakers located on the rear wall, while the existing surround-left and surround-right speakers are moved to the sides.
	home.kabelfoon.nl /~evertvl/sound7.html (169 words)

	Howstuffworks "How Surround Sound Works"
		Later movies followed the "Star Wars" model, using the surround track to create fantastic effects, as well as fill in background noise to establish a scene's setting.
		Dolby Surround reproduces the effect of Dolby Stereo in the theater, but it works a little bit differently.
		When Dolby engineers started working on the new format, they figured out they would only be able to fit two optical tracks in the available space.
	electronics.howstuffworks.com /surround-sound4.htm (455 words)

	Dolby Surround Tools for Pro Tools\|HD & MIX Systems
		Dolby Surround Tools v3.1 through 3.5 for Mac OS X and Windows XP is a FREE UPDATE for all Dolby Surround Tools v3.0 owners with iLok authorized versions.
		The Dolby Surround Tools plug-in will now be available the next time that you use Pro Tools (Your authorized iLok must be inserted to use Dolby Surround Tools.
		A: No. Dolby Surround Tools is compatible with Dolby Surround LCRS mixes only, and is not designed for use with Dolby Digital 5.1 mixes.
	www.digidesign.com /download/dolby (1028 words)

	The educational encyclopedia, audio, dolby digital, THS, surround sound systems (Site not responding. Last check: 2007-08-08)
		Dolby surround example to demonstrate Dolby Surround capability for VCD and SVCD formats, dolby digital, dolby pro logic
		Dolby surround sound formats surround sound refers to the use of multiple audio tracks to envelop the movie watching or music listening audience, making them feel like they're in the middle of the action or concert
		Stereo and surround sound stereo is two channel audio reproduction using two speakers, home theater surround sound uses four or more speakers to create a sound field that envelops you and recreates a theater environment in your home
	users.pandora.be /educypedia/electronics/acousticsdolby.htm (427 words)

	Dolby Surround Sound Audio Discography
		This list was created out of the need to help owners with Dolby Surround decoders find recordings made to bring out the most of their systems.
		These recordings will also benefit owners of other matrix surround sound decoders (Circle sound, Quadraphonic) by providing 4 or 5 channel sound with a more even sound stage (although you will not hear exactly what the engineer intended, the experience is still quite pleasing).
		All listings are Dolby Surround encoded unless noted otherwise.
	members.cox.net /surround/dolby/dolbdisc.htm (569 words)

	Dolby Surround Sound Audio Discography "Complete List" (Site not responding. Last check: 2007-08-08)
		[VR2 Recording] DE 3217 Delos' Dolby Surround recordings are encoded naturally during the recording session through the use of microphone placement techniques that randomize stereo pickup of ambient and reverberant cues in the recording space.
		Delos' Dolby Surround VR2 recordings utilizes up to six channels that are then feed through a dolby encoder and matrixed down to two channels.
		There is no Dolby logo on the opening credits, although it has been widely reported in the U.K. press that the programme is in Dolby Surround where Nicam stereo is available.
	personal.riverusers.com /~manderso/dolby/dolbyv17.htm (6343 words)

	Surround sound - Motorola E390 Phone With Surround Sound
		Surround sound has become an integral part of the movie theater experience, and it's becoming a staple in home theaters, too.
		The Surround Sound Discography, Surround sound recordings in many formats to be enjoyed over your surround sound system.
		Surround sound started as a way to immerse movie-going audiences in the film they were
	surround-sound.okeysearch.com (214 words)

	Surround Sound Formats - Dolby Digital, dts, THX Surround EX, dts Extended Surround - TimeForDVD.com
		The THX Surround EX format is jointly developed by Lucasfilm THX and Dolby Laboratories, and is the home theater version of "Dolby Digital Surround EX™", an Extended Surround sound format used by state-of-the-art movie theaters.
		And as of November 2001, Dolby Laboratories has begun to license what is THX Surround EX under its own name, Dolby Digital EX™, for consumer home theater equipment.
		Both THX Surround EX and DTS-ES Matrix surround sound encode the surround back channel information into the surround left and surround right channels (similar to the way the center channel is encoded for Dolby Surround Pro-Logic).
	www.timefordvd.com /tutorial/SurroundSound.shtml (2126 words)

	get now: dolby surround for winamp 5 (Site not responding. Last check: 2007-08-08)
		Dolby Digital 5.1 Creator The ultimate power to record soundtracks with a camcorder or master...
		Dolby Digital Surround EX introduces a center rear channel to the 5.1 playback format of...
		Since Dolby Digital is a flexible surround sound format that...
	www.earfactory.de /dolby_surround_for_winamp_5.html (283 words)

	Dolby \| Technology \| Technologies Overview
		The original Dolby multichannel film sound format revolutionized the movie experience, and it is still included today on nearly all 35 mm film prints.
		The fourth channel, Surround, is heard over speakers at the sides and rear of the theatre, and is used for ambient sound and special effects.
		Dolby Digital Surround EX Surround sound format that introduces a center rear channel to the 5.1 playback format of Dolby Digital.
	www.dolby.com /consumer/technology/tech_overview.html (817 words)

	Dolby Surround Sound Audio Discography "List of Dolby Surround Sound Papers" (Site not responding. Last check: 2007-08-08)
		This is a list of publications about Dolby Surround Sound.
		Dolby Laboratories Inc. Kawamura, Serikawa, Matsumoto, Yoshida, Satoh: A digital sound field control system.
		Emerson, Lake and Palmer regroup to record a studio version of Pictures at an exhibition in Dolby Surround sound.
	members.cox.net /surround/dolby/dolbpubl.htm (197 words)

	amplificatori dolby surround (Site not responding. Last check: 2007-08-08)
		I Risultati della ricerca per la parola "amplificatori dolby surround":
		Dolby Laboratories develops audio signal processing systems and manufactures professional equipment to implement these techno...
		Trancez is a project to create 5.1 surround trance / techno / electro/ ambiant in dts format.
	www.zooi.it /hdb_zooi/amplificatori_dolby_surround.asp (227 words)

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