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Topic: Surround sound

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	Surround Sound
		Surround Sound is the term commonly used to describe a system in which the sound output appears to surround the listener — that is, the technology gives the impression that sounds are coming from all possible directions.
		In monophonic (mono) sound systems, the signal sent to the sound system is encoded as one single stream of sound — and the sound is usually received through a single speaker.
		Surround sound is a term used to describe a type of audio output in which the sound appears to "surround the listener" by 360 degrees.
	www.webopedia.com /DidYouKnow/Computer_Science/2005/surround_sound.asp (1813 words)

	Surround Sound Decoder
		Sounds encoded for the third channel will be hard to locate and may even be lost in the shuffle unless deliberately listened for.
		Any sound which is out of phase between the two front channels (as the surround channel will be) will be passed through and heard at full volume in the rear speaker.
		Since the surround channel is out of phase in the front speakers, the listener cannot distinguish where, in relation the front speakers, the sound is coming from.
	www.amsky.com /~cirkuit/media/surround.html (2594 words)

	Surround sound - Wikipedia, the free encyclopedia
		Surround sound is the concept of expanding the spatial imaging of audio playback from one dimension (mono/Left-Right) to two or three dimensions.
		Surround Sound speaker placement: The front speakers should be placed at the edges of the screen, toed in to face the central listening location, and the tweeters should be ear height.
		The additional surround back information is stored in the Dolby Digital EX format as a matrixed signal, meaning that audio that is in phase and equally in the Sl and Sr channels will be played in the Surround Back channel.
	en.wikipedia.org /wiki/Surround_sound (2126 words)

	Surround sound explained
		In basic form, besides the normal stereo channels, surround sound adds a centre speaker at the front to enhance the clarity of dialogue and rear speakers to add depth for ambience and special effects.
		Yep, that's because in basic Dolby the surround sound sent to the rear speakers is actually mono, or single channel, sent to two speakers.
		Discerning viewers who were accustomed to high quality sound from their stereo systems and in the cinema searched out the improved 'hi- fi' video cassette players that were coming onto the market.
	www.virtualmags.com.au /Sofa/articles/basic_surround_sound.htm (1164 words)

	Primer: Surround Sound Processors
		Surround sound lets the movie makers "recreate" the sound of the spaces and events they are portraying on screen.
		Surround sound was only available on the biggest budget films and even then, only in big "first run" 70mm capable theaters in major cities.
		The sound is stored on the film in digital form, and all channels are discrete, meaning that each channel is a distinct or separate track in the recording, rather than the rear channel and front center channel having to be extracted from two stereo channels like it is with Dolby Stereo.
	www.hometheaterhifi.com /volume_1_1/v1n1snd.html (3096 words)

	Surround Sound Formats - Dolby Digital, dts, THX Surround EX, dts Extended Surround (Site not responding. Last check: 2007-11-04)
		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.
		It became the surround sound standard for Hi-Fi VHS, and is still the standard for today's analog TV broadcasts, since the Dolby Surround Pro-Logic signal can be encoded in a stereo analog signal.
		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 (1507 words)

	Surround Associates - Specializing in all aspects of surround sound.
		The surround sound of today is built upon the premise of three speakers across the front, with the center speaker providing an anchor for the sound, which eliminates any moving phantom images and improves the imaging.
		Both Dolby Surround and SRS are known as "matrixed" surround, in that all surround channels are placed within the stereo channels and can only be extracted with a decoder.
		However, one of the main problems with touring live surround systems is the fact that only a small minority of the audience may ever be in the “sweet spot” to get the full effect, so material that is isolated in one speaker may never be heard by the majority of the audience.
	www.surroundassociates.com /fqmain.html (11928 words)

	Surround-Sound-Speakers.com
		If you're looking for surround sound speakers, you've come to the right place!.....Surround-Sound-Speakers.com showcases the best home theater surround sound speaker systems from top manufacturers.....Our goal in making this website is to make it as simple as possible for anyone comparing surround sound speakers for home theater sound.
		Your surround sound speaker system and Dolby Digital DTS surround sound receiver are the primary audio components of any complete home theater surround sound system.
		surround sound speaker system pictured to the left can be upgraded to 6.1 or 7.1 surround sound with the addition of more Infinity satellite speakers (sold separately).
	www.surround-sound-speakers.com (237 words)

	Surround Sound Formats - Dolby Digital, dts, THX Surround EX, dts Extended Surround - TimeForDVD.com
		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.
		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.
		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 (2112 words)

	Dolby Pro Logic IIx
		Matrix Decoder or Matrix Surround Decoder are the most generic terms available for the principle behind all of the surround sound technologies based on a two-channel carrier.
		Basically, sounds that are common to both original channels and in phase are delivered to the center channel, and sounds that are common to both original channels but out of phase are delivered to the surround channel.
		Note: Although it is possible to use one speaker in the center surround position, THX has always advocated, or set a preference for, using two speakers for that one channel.
	www.hometheaterhifi.com /volume_11_1/feature-prologic-iix-3-2004.html (1876 words)

	Immersion surround sound DVD Audio: Meredith Monk, Merzbow, more
		Odland is known for his psychoacoustic sound designs for theatre and for his cutting-edge, large-scale multimedia installations in public spaces, and has collaborated with many of America's leading theatre directors, including Peter Sellars, JoAnne Akalaitis, and Andre Gregory.
		Having created quadraphonic pieces during 1973-1985, she now comments about returning to surround sound: "To be able to once again have more spatial control of the sound environment is exciting.
		In surround sound, the piece becomes a suspended ring of sound, with the voices moving across the space, colliding, leaning, and creating beats in the air." With DVD-Audio, you hear Monk's shimmering, seamless vocal layers in a floating, enveloping space never before heard in home sound systems.
	www.starkland.com /st2010/index.htm (1666 words)

	Surround sound for flat-panel TV - The Boston Globe
		Surround sound for flat-panel TV - The Boston Globe
		Surround sound for flat-panel TV By Mark Baard
		The sound with each setup was balanced and clear.
	www.boston.com /business/globe/articles/2006/10/09/surround_sound_for_flat_panel_tv (708 words)

	SoundStage! Surrounded! - Surround-Sound Speaker Placement: Problems and Solutions (7/2003)
		Instead of surround speakers identical to the mains, as dictated by the ITU, most home theaters use either bookshelf-type direct-radiators or dipole/bipole wall-mounted speakers designed to diffuse sound throughout the back half of the room.
		The wildly different dispersion patterns created by dipole/bipole speakers, the interaction of wall-mounted surround speakers to their environment, and the frequency-response inconsistencies of the typically smaller cabinet sizes, create a set of unknowns just not fully accounted for in multichannel-music delivery systems.
		For example, although you can add time delay into surround speakers to compensate for distance anomalies in speaker placement, this function cannot correct for improper driver blending caused by too-close placement of the speaker to the listener’s head.
	www.soundstage.com /surrounded/surrounded200307.htm (1479 words)

	SURROUND SOUND LISTENING
		A major element in surround sound is the dispersion pattern of speakers involved.
		If speakers are highly directional, the surround sound will be most effective at a spot equidistant from them; if the speakers disperse sound more broadly, the choice listening area is increased.
		The 5.1 surround sound mix uses the full range of the five channels, with an additional low-frequency channel, to offer unparalleled fidelity both to the sound of the performance and the acoustic in which it was recorded.
	classicalcdreview.com /surround.htm (3998 words)

	Simple Surround Sound Decoder
		The original idea was to connect a pair of speakers as shown in Figure 1, for use as the rear speakers in the surround setup.
		Since the centre channel is supposed only to fill the "hole" and provide a stable centre sound image, it does not need to be as loud - especially since it will almost certainly have inferior sound quality to the main speakers and will therefore degrade the overall sound quality.
		This is normally used to delay the sound supplied to the rear speakers, and effectively makes the sound stage larger by making the rear speakers sound further away.
	sound.westhost.com /project18.htm (1803 words)

	Surround Sound Consoles
		With dozens of mixing consoles claiming surround sound bragging rights, we thought it would be helpful to distinguish those desks with purpose-built surround functionality from the wannabes.
		Although it's great that cost-effective consoles designed for stereo operation can be adapted — sometimes rather marginally — for surround sound work, engineers who must work efficiently to meet unforgiving deadlines require a console that was expressly built for the job at hand.
		Also, surround consoles that are tied to workstations and/or integrated recording systems (e.g., the Digidesign Pro Control) are also not covered here.
	mixonline.com /mag/audio_surround_sound_consoles/index.html (508 words)

	Explaining Surround Sound
		While the sound is often better, studio and record labels have to decide if they want to sacrifice supplemental material on a DVD in place of better surround sound.
		While quad laid an egg commercially, mainly because of the limitations of vinyl as a surround sound medium, many tasty recordings were made in quad during the 1970s.
		Many TV broadcasts are actually transmitted in surround using this system – look for messages at the beginning saying, “in surround where available” – and if you switch your receiver to “Pro Logic” or “Pro Logic II,” you will be able to listen in surround.
	www.avrev.com /equip/surround/index.html (1555 words)

	Wendy Carlos Surround1
		This film pioneered the idea of surround sound ("Fantasound," no less) and stereophony with a six channel auditorium presentation using four optical tracks (three of audio, the fourth was for front/rear steering).
		The result is that you can image sounds rather well in central locations, with speakers moved to each side a bit, but those speakers set the maximum width you'll be able to reproduce well.
		One of the key reasons that many of the original suggestions about Quadraphonic Sound in the '70's failed to live up to their hype could have easily been found by a curious person who was unwilling to go along with the party line.
	www.wendycarlos.com /surround/surround.html (5223 words)

	How to Buy and Set Up a Surround Sound Home Theater System - eHow.com
		However, an old stereo hooked up to a TV is worlds away from a deluxe "surround sound" stereo system matched to your video components.
		You'll need at least five speakers to fully experience surround sound: two large front speakers, a smaller central channel speaker and two small rear or side surround speakers.
		Sound output - Carpeting, drapery, floor mats and furniture give you a more natural, at-the-movies type of sound because sound waves are absorbed.
	www.ehow.com /how_806_buy-set-surround.html (567 words)

	Mackie - D8B Surround Sound
		Surround Sound now has its own Setup window for assigning the Surround Mode, Auto Arming the Bus 1-8 outputs, and muting or enabling the surround monitor outputs (Bus 1-8) when Stereo Mode is selected.
		The Surround Sound window now includes nine faders (eight surround and a master) for adjusting the analog output levels at the Bus 1-8 outputs.
		This doesn’t affect the digital surround output signals at the Alt 1-8 outputs.
	www.mackie.com /products/d8b_v5/surround.html (213 words)

	What is surround sound? - A Word Definition From the Webopedia Computer Dictionary
		Surround sound systems use three or more channels and speakers in front and behind the listener to create a surrounding envelope of sound and directional audio sources.
		The term surround sound has become popular in recent years and more commonly used since the advent of home theater systems.
		Surround sound can be either an analog or digital system.
	www.webopedia.com /TERM/S/surround_sound.html (353 words)

	eBay Guides - Surround sound explained (Site not responding. Last check: 2007-11-04)
		Dolby Digital and Dolby Pro Logic II Dolby Digital is a surround sound format offering as many as six distinct sound channels that can place a sound effect anywhere.
		It is also a type of digital surround sound format with six separate channels of sound.
		All surround sound systems, regardless of the technology or number of speakers used, are trying to accomplish the same thing: make you feel more involved in the action.
	reviews.ebay.com /Surround-sound-explained_W0QQugidZ10000000000115199 (741 words)

	Howstuffworks "How Surround Sound Works"
		Going to the movies today is a very different experience from going to the movies 70 years ago -- the picture is clearer, most of the movies are in color, and the admission price is a lot higher.
		But the biggest change is probably the sound experience.
		Today, theater audiences expect to hear sound coming from every direction; and the technology that once characterized only movie theaters is now fairly standard in home entertainment centers.
	electronics.howstuffworks.com /surround-sound.htm (237 words)

	Sound Ideas Immersion 5.1 Surround Sound Demo
		Connect your surround sound monitoring speakers to six individual outputs of your audio interface.
		Alternately, if your audio editing software supports surround sound tracks you can simply create one of these tracks, route its output to your surround sound speakers and load the audio files directly into this track.
		For more information on setting up a surround sound monitoring environment, please visit the Dolby Laboratories Inc. Web site at http://dolby.com/.
	www.sound-ideas.com /immersion-surround-demo.html (356 words)

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