Can Ambisonics reproduce Dolby Surround AC-3?
Ambisonic Surround Sound FAQ, version 2.8Ambisonics cannot contribute to the Dolby Surround AC-3 encoding or decoding processes; it can make contributions before the 5.1 discrete channels are encoded and after they are decoded. Dolby Surround AC-3 is described in technical publications available on the Dolby Laboratories Inc Web page. These suggest that: AC-3 is a digital encoding technique that exploits "audio masking" to achieve high bit-rate reductions. AC-3 can be used to encode between 1 and 5.1 audio channels.
Related QuestionsCan Ambisonics decode Dolby Surround AC-3?
Ambisonic Surround Sound FAQ, version 2.7Dolby Surround AC-3 does not use matrixing and the five audio channels have complete separation. Sadly, this is not sufficient for realistic surround sound reproduction, the problem being the "pair-wise" mixing style. Dolby Surround AC-3 is just a delivery mechanism and is not tied to pair-wise mixing, however, to date all Dolby Surround AC-3 movie sound tracks have been mixed using the pair-wise mixing style.
Related QuestionsCan Ambisonics reproduce Dolby MP?
Ambisonic Surround Sound FAQ, version 2.8Dolby MP encoding, and Dolby Surround and Pro Logic decoding, are all described in the excellent article, Introduction to [Dolby] surround sound written by Bob Niland. The article suggests that: Dolby Motion Picture matrix encoding (Dolby MP) is an encoding system designed for motion picture sound tracks. Four channels are encoded - left, centre, right and a mono surround channel. Dolby Stereo is the two-channel result of this encoding.
Related QuestionsCan Ambisonics reproduce DTS Digital Surround?
Ambisonic Surround Sound FAQ, version 2.8Ambisonics cannot contribute to the DTS Digital Surround encoding or decoding processes; it can make contributions before the 5.1 discrete channels are encoded and after they are decoded. DTS Digital Surround is a method of compressing and encoding 5.1 discrete audio channels to make them suitable for transmission using CD, Laserdisc, DAT or DVD. More details are available on the DTS Digital Surround Web page. The 5.
Related QuestionsDoes DVD-V200K have a built-in Dolby Digital (Surround) (AC-3) decoder?
Support - DVD Player F.A.Q.Yes, DVD-V200K does have a built-in decoder with Dolby Digital (Surround) (AC-3) processing; however, the output is only 2-channel stereo. No, from the modem day definition/understanding of a so-called built-in AC-3 decoder. Regardless, you can attach the DVD-V200K to a Dolby Digital-ready (i.e., 5.1-ready) A/V receiver/processor/amplifier to enjoy the benefits of 5.1 channel surround sound audio.
Related QuestionsWhat is Dolby Digital AC-3 encoding?
Cinram - DVD Frequently Asked QuestionsDolby Digital AC-3 is a technology developed by Dolby Laboratories that allows us to store much more CD-quality audio in much less space than traditional CD-audio. Dolby Digital also allows us to present soundtracks in the home that offer a complete surround sound experience, just like at the movie theatre, with left, centre, and right channels, stereo surround channels and a subwoofer.
Related QuestionsHow does 5.1-channel Dolby Digital differ from Dolby Surround?
Dolby Digital FAQ - Frequently Asked Questions About Dolby D...The technology behind 5.1-channel Dolby Digital provides two surround channels, instead of the one from Dolby Surround, for more precise localization of sounds and a more convincing, realistic ambience. Also, Dolby Digital's 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). The increased range of Dolby Digital further heightens realism and gives sound mixers more creative freedom.
Related QuestionsWhat is Dolby Digital (AC-3)?
Support - DVD Player F.A.Q.Dolby Digital (AC-3) is a digital sound compression technique developed by the Dolby Laboratories Licensing Corporation. Supporting 5.1-channel surround sound, as well as stereo (2-channel) sound, this technique enables a large quantity of sound data to be efficiently recorded on a disc. However, nowadays, the understanding has become to be Dolby Digital (AC-3) = Dolby Surround = Dolby Digital 5.1.
Related QuestionsHow do I get Dolby Digital (AC-3) audio?
Roman Satellite - installation of DISH TV systems and receiv...Dish Network currently only provides Dolby Digital soundtracks on their ‘home theater’ Pay-Per-View channels 512-513 on the 119 satellite and PPV channels 520-525 on the 110 satellite. You can look for the “DD” symbol in the Electronic Program Guide (EPG) to see if the movie is broadcasted in Dolby Digital. These channels also show some movies in their original letterbox format. DISH Network will expand their DD offerings through time.
Related QuestionsCan Ambisonics decode Dolby MP?
Ambisonic Surround Sound FAQ, version 2.7A key part of Ambisonic decoding is the use of shelf filters. These give different gains at low and high frequencies to satisfy different mechanisms used by the ear/brain to locate sounds. (The change occurs at around 700 Hz.) Dolby MP encoding is similar to the SQ quadraphonic system and, unfortunately, SQ decoding requires that no shelf filters be used.
Related QuestionsDo all videos use Dolby Digital (AC-3)? Do they all have 5.1 channels?
Hier finden Sie die aktuellen Infos zur DVD TechnologieMost DVD-Video discs contain Dolby Digital soundtracks. However, it's not required. Some discs, especially those containing only audio, have PCM tracks. It's also possible for a 625/50 (PAL) disc to contain only MPEG audio, but so far MPEG audio is not widely used. Don't assume that the "Dolby Digital" label is a guarantee of 5.1 channels. A Dolby Digital soundtrack can be mono, dual mono, stereo, Dolby Surround stereo, etc.
Related QuestionsWhy should I use MPEG-2 AAC rather than Dolby AC-3?
MPEG Audio FAQ: MPEG-2AAC is a state-of-the-art audio compression algorithm that provides compression superior to that provided by older algorithms such as AC-3. AAC and AC-3 are both transform coders, but AAC uses a filterbank with a finer frequency resolution that enables superior signal compression.
Related QuestionsWhat is Dolby Digital Surround?
PlayUSA.com: DVDsInitially known as simply Dolby Surround, this is an audio mixing technique that bolts on a rear channel and a centre channel onto a standard two-channel signal. With a two speaker sound system, these extra channels will be automatically mixed into the audio streams for the left and right speaker
Related QuestionsDVD HorrorThis is an audio mixing technique that bolts on a rear channel and a centre channel onto a standard two-channel signal. With a two speaker sound system, these extra channels will be automatically mixed into the audio streams for the left and right speakerRelated Questions
Sherwood Europe | FAQDolby Digital Surround EX provides a third surround channel on Dolby Digital movie soundtracks. The third surround channel can be decoded at the home viewer's option for playback over surround speakers located behind the seating area, while the left and right surround channels are reproduced by surround speakers to the sides. To maintain compatibility, the back surround channel is matrix-encoded onto (or from!) the left and right surround channels of an otherwise conventional 5.Related Questions
Can the MCPX do Dolby Surround?
ActiveXbox: FAQYes. Dolby Surround is trivial to implement. Early Sound Blaster Live! Value supported Dolby Surround.
Related QuestionsThe disc says Dolby Digital. Why do I get 2-channel surround audio?
Hier finden Sie die aktuellen Infos zur DVD TechnologieSome discs (many from Columbia TriStar) put 2-channel Dolby Surround audio on track one and 5.1-channel audio on track two. Unless you intervene, the player will play the default 2-channel track. Use the audio button on the remote or select the 5.1 track from the menu. (Note: The Sony 3000 has a feature to automatically select the first 5.1 track.)
Related QuestionsWhat is the difference between DD and Dolby Surround?
Unofficial Xbox FAQDolby Surround (or ProLogic) is an analog audio encoding method that provides four-channel surround sound (left front, right front, center, rear). The separation between the channels is not as well-defined as with Dolby Digital and the single rear channel minimizes the effect of 'positional audio'. That is, it's very difficult to make something sound like it's coming from behind your left shoulder. With Dolby Digital, such positional information is directly encoded in the digital signal.
Related QuestionsWill Dolby surround sound speakers work with my system?
MDG Computers Product FAQsDolby Digital surround or Dolby surround must be included as a feature of your sound card for the audio effect. If it does not already support Dolby surround sound, you would have to upgrade your card to get the full effect from your surround speakers.
Related QuestionsWhat's the difference between Dolby Digital (AC-3) and DTS encoding?
Surround FAQBoth methods are what's known as lossy data compression schemes where some information that is masked by more prominent data is thrown away. This is done in order to fit a lot of data through a small data pipe. Dolby Digital (formerly called AC-3) takes 6 channels of 48kHz/24 bit information and compresses it at about an 11 to 1 ratio to an a maximum bit rate of 640kbps, although 384 is the average data rate used. DTS compresses at about a 3 to 1 ratio at an average data rate of 1.4Mbps.
Related QuestionsWhat is the difference between Dolby® Pro Logic®, Dolby Digital (AC-3® ) and DTS® ?
harman/kardonDolby Pro Logic takes its information from a two-track-stereo format. When a movie is recorded in Dolby surround, the Stereo soundtrack is recorded on the tape. Certain sounds (the surround-channel information) are encoded. Inside the Dolby Pro Logic receiver, the Pro Logic circuitry decodes the surround information and sends it to the rear channels. The center channel is derived by removing what is equal or nearly equal in the left and right channels and sending it to the center.
Related QuestionsWhat is Dolby Surround, Dolby Digital, and DTS?
Laserdisc Information Page - FAQAll of these are methods of creating a more convincing soundfield that seems to "surround" the viewer (at least on Laserdisc, see explanation on Dolby Digital). They require more than 2 speakers. The most widespread surround sound system is Dolby Surround. Dolby surround is an analog system that decodes 2 channels into 4 channels, Left, Right, Center and Surround. The center channel is used to anchor dialog to the screen and the surround channels are used to create ambiance.
Related QuestionsCan my DVD have surround sound? What is AC-3 audio?
DVD Authoring Frequently Asked QuestionsDVDs support several configurations of audio, including mono, stereo and "surround". Mono or stereo audio may be uncompressed PCM (equivalent to CD audio) or Dolby Digital a format for audio data compression also known as AC-3. Multi-channel or surround audio is supported via Dolby Digital in several configurations, most commonly 5.1. The 5.1 configuration consists of Left, Center, and Right speakers in front, and Left Surround and Right Surround speakers placed on the sides of the listener.
Related QuestionsWhat's the difference between Dolby Surround, Dolby Pro Logic and Dolby Digital?
Surround FAQThese are all digital encoding techniques to allow a multichannel signal to be delivered to the consumer. The main difference between them is the number of channel and how the signal is decoded. While Dolby Surround and Pro Logic are closely related (with the main difference being the fact that Surround uses a passive decoder while Pro Logic uses an active one), Dolby Digital is a completely different, more sophisticated technique and not compatible with the others.
Related Questions