#Dolby digital logo pro#
This is why all Dolby Digital decoder units also incorporate a digitally-implemented Dolby Surround Pro Logic decoder.ĭolby Surround encodes four sound channels (left, center, right, surround) onto the two tracks of any conventional stereo program source. No, Dolby Surround will be with us for as long as stereo is with us. Does 5.1-channel Dolby Digital make Dolby Surround obsolete? In addition, Dolby Digital's multiple discrete channels enable more sharply-delineated spatial effects, and its ".1" LFE track makes it possible to reproduce low bass effects with stunning impact (twice as loud as the other channels).Ħ. This further heightens realism and gives sound mixers more creative freedom. Also, the surround channels cover the entire audible range (20 Hz ® 20,000 Hz), whereas the range of Dolby Surround's single surround channel is limited (100 Hz ® 7,000 Hz). How does 5.1-channel Dolby Digital differ from Dolby Surround?ĥ.1-channel Dolby Digital provides two surround channels to Dolby Surround's one for more precise localization of sounds and a more convincing, realistic ambiance. See question 14 for further information on speakers, including subwoofers.ĥ. As it needs only about one-tenth the bandwidth of the others, the LFE channel is referred to as a ".1" channel (and sometimes erroneously as the "subwoofer" channel).
#Dolby digital logo movie#
However, with many DVD-Video players, digital cable set-top boxes, and other sources, you need a separate multichannel Dolby Digital decoder to experience the thrilling 5.1-channel surround sound used on many Dolby Digital programs.Īt the option of their producers, Dolby Digital programs can deliver surround sound with five discrete full-range channels (left, center, right, left surround, and right surround) plus a sixth channel for those powerful low-frequency effects (LFE) that are felt more than heard in movie theaters. Yes, you can use most of the new Dolby Digital program sources with your current playback system, because they incorporate Dolby Digital decoders and provide conventional analog stereo outputs. Can I hear Dolby Digital programs over a regular stereo or Dolby Surround Pro Logic system? They are usually identified with the Dolby Digital logo.ģ.
#Dolby digital logo tv#
What program sources deliver Dolby Digital audio?ĭolby Digital audio is available via laser discs, DVD-Video discs, DVD-ROM discs for computers, digital cable systems, direct broadcast satellite (DBS) systems, and digital broadcast TV (DTV). First used in movie theaters in 1992, it is the result of decades spent by Dolby Laboratories developing signal-processing systems that exploit the characteristics of human hearing.Ģ. It has already changed the way you experience your favorite films in movie theaters, and is now doing the same for video programming at home.ĭolby 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. The somewhat low quality and especially the cropped matte variant makes this logo seem outdated, however.Īdditional Note: After this unique logo specifically for EX, the only times EX was promoted were for variations of the main Dolby Digital logo with the EX text added.Dolby Digital is the next step forward in sonic realism and listener involvement. Otherwise, it's extinct.Įditor's Note: A strange, but nonetheless, cool logo. May have been seen on DVDs in the 2000's. It was mostly likely in theaters it was first used on the theatrical release of X-Men. Music/Sounds Variant: The "Introducing the newest development in sound technology." variant has the music from the short version of the Dolby Digital "Rain" trailer.Īvailability: Rare. Sound Design by Marco D'Ambrosio at MarcoCo Mixed by David Parker at The Saul Zaentz Film Center. Music/Sounds: The sounds of puddles splashing, and chimes, similar to the "Raindrops" logo. This variant also is presented in a 2.35:1 ratio.įX/SFX: The water pouring over the screen.The final logo also has no text at the bottom. Another variant contains a different intro text card, this time stating: "Introducing the newest development in sound technology.".One variant just has the Dolby Digital logo.The water pouring then fades to black with the Dolby sign still appearing over the black background as a small trademark byline appears under. Under that the words "The latest Development in surround sound technology" appear. A large amount of water is pouring over the screen in very little slow-motion as the Dolby Digital Surround EX logo fades in. Trailer: On a black background, the words "This following film is presented in" fades in and fades out to black. For other uses, see Dolby (disambiguation).
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This article is about Dolby Digital Surround EX.