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Dolby Laboratories - Wikipedia, the free encyclopedia Dolby Stereo or simply Dolby Analog is the original 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 Analog SR or simply Dolby SR (Spectral Recording) is a professional four-channel noise reduction system in use since 1986, which improves the dynamic range of analog recordings and transmissions by as much as 25 dB. Dolby E is a professional coding system optimized for the distribution of surround and multichannel audio through two-channel postproduction and broadcasting infrastructures, or for recording surround audio on two audio tracks of conventional digital video tapes, video servers, communication links, switchers, and routers. en.wikipedia.org /wiki/Dolby_Labs   (974 words)

Encyclopedia: Dolby Labs   (Site not responding. Last check: 2007-10-20) Dolby was persuaded by Henry Kloss (1929, Altoona, PA– January 31, 2002, Cambridge, MA) was a prominent audio engineer who helped advance hi-fi loudspeaker and radio receiver technology beginning in the 1950s until the time of his death. Dolby developed a digital Surround sound is the concept of expanding the spatial imaging of audio playback from 1 dimension (mono/Left-Right) to 2D or 3D. Dolby Digital is now found in the HDTV (The Advanced Television Systems Committee (ATSC) is the group that helped to develop the new digital television standard for the United States, also adopted by Canada, Mexico and South Korea and being considered by other countries. www.nationmaster.com /encyclopedia/Dolby-Labs   (1831 words)

Digital Silence - Dolby Labs: Past, Present and Future Dolby "B"'s premise was rather simple; record music with amplified high frequencies and during playback, reduce the high frequencies by the same value. Dolby's reputation as a leader in audio technology was greatly enhanced in 1986 with the introduction of a powerful new system, Dolby SR (spectral recording), intended to bring analog recording into the digital age. Today the Dolby SR encoded analog optical soundtrack, with its ultra-low noise and distortion, is the state-of-the-art of analog film sound, and is used for the vast majority of releases, including those that also have digital soundtracks. www.d-silence.com /articles/dolby1.shtml   (573 words)

Stereophile: Dolby Joins Inventors Hall of Fame On May 1, the founder and chairman of Dolby Laboratories was inducted into the National Inventors Hall of Fame in Akron, Ohio, joining such luminaries as Alexander Graham Bell, the inventor of the telephone, and Thomas Edison, inventor of the light bulb and the phonograph. The 71-year-old Dolby was inducted into the Hall of Fame "in recognition of his invention of the Dolby noise reduction system, which electronically reduces the tape hiss and other noise inherent in analog audio tape recording and playback," according to an official press release from Dolby Labs. Dolby's noise-reduction technology not only improved the ability of audio professionals to make more realistic recordings, but also ushered in an era of private recording by music fans that presaged the current controversy over downloading and CD burning. www.stereophile.com /news/050304dolby   (866 words)

GDHardware.com - Dolby Labs Interview with Jack Buser Dolby Digital or Dolby Pro Logic II are found in just about every top-selling game today, and have indeed become the de-facto standard for surround sound in games. Dolby Digital, the standard surround audio format for the Microsoft Xbox, is built directly into the console, and is featured in nearly every game. Dolby Headphone technology is ideal for LAN parties, and is currently featured in selected PC and A/V receiver applications. www.gdhardware.com /interviews/dolby/001.htm   (554 words)

We've Got the Whole World Listening - The Latest DVD From Dolby Labs. [SMR] Dolby realised the desirability of the disc amongst home theatre aficionados and made it available to consumers, but only if ordered as a part from the Dolby warehouse. Dolby Digital’s design flexibility is explained with useful graphical representations of the operation of both dialogue normalisation and dynamic range compression. Back to the main menu and the seven Dolby Digital trailers, all of which are accessible directly and are not proceeded by unavoidable introductions, as was the case with the THX Anniversary DVD. www.smr-home-theatre.org /wholeworld/wholeworld.html   (1712 words)

HeadWize - Technical Paper: Dolby Digital - The Sound of the Future Here Today by Dolby Labs Dolby Digital audio technology has been providing multi-channel digital sound in cinemas since 1992, was launched in two-channel DBS applications in 1994, and first reached consumers via multichannel laser discs in early 1995. Indeed, Dolby Laboratories' unique experience with audio noise reduction is essential to Dolby Digital's data rate reduction, as the fewer the bits used to describe an audio signal, the greater the quantizing noise that can exist. Dolby noise reduction works by lowering the noise when no audio signal is present, while allowing strong audio signals to cover or mask the noise at other times. www.headwize.com /tech/dolby2_tech.htm   (2035 words)

DOLBY NR Dolby NR is used to reduce the amount of hiss on tapes that you record or play back. During playback, Dolby NR reduces the decibel level of the same tones in the high end by 5 to 10 decibels, both the musical high end and the hiss. Dolby C is able to cut hiss by 10-20 decibels, but there is a catch: You have to use better quality tape (dropouts sound WORSE using Dolby C, compared to Dolby B), and Dolby C tapes are not as compatible as Dolby B tapes when they are played in non-Dolby tape decks. home.netcom.com /~zmoq/pages/dolby.htm   (1318 words)

ipedia.com: Dolby Laboratories Article   (Site not responding. Last check: 2007-10-20) Dolby Laboratories, Incorporated (Dolby Labs) is a company specializing in audio compression and reproduction. One of the things that set Dolby's compander apart was that it treated only the quiet sounds that would be masked by tape noise. Dolby Digital was first used on the 1992 film Batman Returns. www.ipedia.com /dolby_laboratories.html   (288 words)

Dolby Labs Foresees an Audio Future for Audio in the Home Dolby Headphone: Released in 2000, Dolby Headphone is a multichannel-to-binaural convolver. Dolby's PC Entertainment Experience, as with all of its re-branding efforts, will make it easier for consumers to purchase an Intel-based PC that meets their expectations for a multimedia hub. Dolby's Rodehau uses the word “credibility” to describe one of the qualities that its initiative confers on PC manufacturers, and, in the crowded world of consumer electronics, that credibility is as good as gold. mixonline.com /mag/audio_rays_hope   (1441 words)

Dolby Labs launches virtual speaker technology for PCS   (Site not responding. Last check: 2007-10-20) Dolby Laboratories has unveiled new Virtual Speaker technology that employs a next-generation advanced algorithm to reproduce the dynamics and surround-sound effects of a precisely-placed 5.1-channel speaker system on a PC equipped with just two speakers. Dolby also says that PC OEMs are already including its Virtual Speaker technology into their next-generation products and that new software-based DVD players from CyberLink and InterVideo will be integrating the technology as well. Dolby's Virtual Speaker technology has been designed to make sounds coming from a PC's speakers seem as if they are actually emanating from behind and to the sides of the listener, as well as from the front. www.temple.edu /ispr/examples/ex02_10_29.html   (442 words)

Video Essentials - Additional help from Dolby Labs Dolby Labs has issued its own DVD with audio test signals. The "Dolby Digital Story" - This opening section is a 6-minute video which explains Dolby Digital and how it applies to laser disc and DVD audio. Check the Dolby Store option on Dolby Labs' web site for the latest information on what can be purchased directly from them. www.videoessentials.com /dolbyaudio.php   (270 words)

A Profile of Dolby Laboratories: An Effective Model for Leveraging Intellectual Property Dolby Labs recognized an opportunity to enhance the moviegoers' experience by applying its NR and frequency extension to this recording process. Dolby Labs demonstrates Dolby® FM radio broadcast system for FCC, and is approved for US later that year. Dolby Labs, A Chronology of Dolby Laboratories: 1990 to 1999, at www.law.northwestern.edu /journals/njtip/v2/n1/4   (6662 words)

TheDeal.com - Big pop for Dolby Labs Dolby Labs on Wednesday priced 27.5 million shares at $18 each, the high end of a range already revised upwards from an initial $13.50 to $15.50 range. Dolby Labs and Digital Theater Systems have each turned to acquisitions recently to expand beyond sound into visual media technologies. Dolby Labs last year acquired for undisclosed terms Cinea Inc., a Reston, Va.-based startup that has developed a technology that distorts illegal copies of movies made by pirates using camcorders. thedeal.com /NASApp/cs/CS?pagename=YHO&c=TDDArticle&cid=1107993058908   (526 words)

SoundStage! Feature Column - How Important Is the LFE Subwoofer to Home Theater? Dolby Labs does not insist that their "rules" or "standards" have to be met in order for the manufacturer to apply the Dolby logo to their products. Dolby Labs indicated that they will explain to the manufacturer what the problems are with bass management in each product Dolby Labs evaluates, but Dolby Labs will not stop the company from selling the product as is, nor will Dolby Labs withhold permission to apply the Dolby Digital logo. The situation sounded to me like Dolby Labs would tell the customer (manufacturer) where the problems were and to take care of it in the next generation product. www.soundstage.com /video/columns/200003_db_hometheaterbass.htm   (2171 words)

Dolby sounds out PC market | Tech News on ZDNet   (Site not responding. Last check: 2007-10-20) Dolby Virtual Speaker, to be launched Tuesday, promises to create the effect of a 5.1-channel speaker system using normal stereo PC equipment. Dolby and its newly beefed-up marketing division intend to play up the role of the company's software in Microsoft's media player and Windows XP Media Center, an upcoming version of the operating system that runs on Hewlett-Packard computers and focuses on television, audio and DVD capabilities. Dolby is hawking its wares as crucial add-ons to music and video playback, as well as to computer games, where surround sound can help aurally situate other players. news.zdnet.com /2100-9584_22-963420.html   (659 words)

Dolby Labs Screening Room Upgrades with QSC   (Site not responding. Last check: 2007-10-20) San Francisco, CA (July 1, 2004)--Built in 1987, Dolby Laboratories' screening room has come to be known as a choice of cinema heavyweights like Francis Coppola, Phil Kaufman, and Wayne Wang, all of whom have used it to work on their own Dolby-encoded films. Whatever plans may include for the room, Dolby technical facilities manager Tom Bruchs is the man holding the keys to the door. During the developmental stages of the upgrade, Bruchs worked closely with Dolby senior VP Ioan Allen to define the nature and scope of the project. www.prosoundnews.com /articles/printer_756.shtml   (317 words)

Dolby Labs takes the show on the road Dolby Labs took the show on the road and to the sales staff at United Audio Centers in Chicago, IL. The purpose of their visit was to provide information on the current forms of Dolby Audio that are available as well as the future. The concept was to provide comparison between the studio master and the Dolby Digital 12 to 1 lossey compression system and allow our staff by direct comparison through listening to determine the transparent quality of the Dolby Digital bit stream. audiogrid.com /dolby   (480 words)

Audio Terms   (Site not responding. Last check: 2007-10-20) The six speakers are laid out exactly in the same manner as Dolby 5.1; two front speakers, a center front speaker, two independent rear speakers and a sub woofer. The current trend seems to be discs with both DTS and Dolby 5.1 on the same disc, often with a second disc for the extras. Unlike Dolby EX where the rear center channel is matrix or derived from the two rear channels, DTS ES can be either matrixed or discrete. hometheaterinfo.com /audio.htm   (1715 words)

Chat Transcript: Criterion on Home Theater Forum The following is a complete transcript of the on-line chat with with Brent Butterworth of Dolby Labs, held on Tuesday, February 6th on The Home Theater Forum. For various reasons, Dolby doesn't really like to do discs with lots of noises on them, but we are currently working with a record label to do a DVD-A setup and test disc for consumers. Dolby's paper on DTS reports the superiority of the higher bitrate DD versus the lower bitrate DD mastering. www.thedigitalbits.com /articles/020601htfchat.html   (4212 words)

Dolby Labs Purchases AMS Neve Logic MMC Console The console will be installed by summer 2002, in Dolby's San Francisco-based Presentation Studio, which is used for developing, testing and presenting new products and technologies. According to Tim Partridge, VP and general manager of the professional division at Dolby, the purchase culminates a close review of consoles. "The pedigree of Dolby is world renowned," said John Hart, AMS Neve VP of the western region and South America. mixonline.com /news/audio_dolby_labs_purchases/index.html   (216 words)

Dolby Labs Readies Expected $400 Million IPO - Home Theater Forums at Audioholics Dolby Laboratories Inc., based in San Francisco, is planning to file a registration statement with securities regulators as early as next month to take the company public, according to Dolby hired Palo Alto law firm Wilson, Sonsini, Goodrich and Rosati to help prepare the application to be filed with the Securities and Exchange Commission. If the SEC approves the paperwork, Dolby could first sell stock to the public next year. forums.audioholics.com /forums/showthread.php?t=5294   (191 words)

EETimes.com - Dolby Labs prevails in patent suit with Lucent MANHASSET, N.Y. — Dolby Laboratories Inc. has announced it has received a favorable from that the U.S. District Court for the Northern District of California stating the company did not infringe on two patents belonging Lucent Technologies Inc. relating to Dolby compression technology. The Court concurred with a request by Dolby (San Francisco, Calif.) for a summary judgement the company did not infringe on U.S. Patent Nos. Dolby originally filed a lawsuit against Lucent in May 2001 claiming the patents are invalid. www.eet.com /news/latest/showArticle.jhtml?articleID=161502206   (414 words)

ProSoundNews Online Daily - Dolby Labs Purchases AMS Neve Logic MMC Console   (Site not responding. Last check: 2007-10-20) Dolby Labs Purchases AMS Neve Logic MMC Console "Dolby is known for pushing the boundaries of sound processing and surround technology. According to Tim Partridge, vice president and general manager, professional division at Dolby, the purchase culminates a close review of consoles. www.prosoundnews.com /stories/2002/may/0501/0501.2.shtml   (225 words)

Dolby Dolby B-type NR Dolby C-type NR Dolby Digital (AC3) Dolby Pro Logic II Dolby Pro Logic IIx Dolby and the double-D symbol are registered trademarks of Dolby Laboratories. www.dolby.com   (69 words)

TV Technology NewsBytes Dolby Laboratories --which got its start by improving the sound of recorded audio with its debut of Dolby A-type noise reduction--has turned 40 years old. In 1972, Dolby introduced its first cinema products, the Model 364, and by end of the disco decade, had debuted its first multichannel audio technology, Dolby Stereo. Dolby Digital Plus, Dolby Pro Logic IIx, Dolby Digital Stereo Creator, Dolby Digital 5.1 Creator, Dolby Digital Recording and MLP Lossless are all recent audio innovations that the company has rolled out. www.tvtechnology.com /dailynews/one.php?id=2975   (336 words)

Surround Broadcast: Audio for the HD Revolution In addition to audio, Dolby Digital and Dolby E carry important messages about how that audio should be played back. Dolby specialists will guide us down the path of proper use and transmission of metadata. A valuable tool in monitoring your signal chain, the Dolby LM100 measures the subjective loudness of dialogue within broadcast programming. www.surroundpro.com /2005/broadcast/program.html   (632 words)

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