What's the difference between Pro Logic®, Pro Logic II, and Dolby® Digital 5.1?
Sherwood Europe | FAQDolby Pro Logic is a matrix decoder that decodes the four channels of surround sound that have been encoded onto the stereo soundtracks of Dolby Surround program material such as VHS movies and TV shows. Dolby Surround (or Dolby matrix!) is a matrix encoding process that in essence "folds" Left, Center, Right, and Surround channels onto stereo soundtracks. A Pro Logic decoder "unfolds" the four channels on playback (without a Pro Logic decoder, the encoded program plays in regular stereo).
Related QuestionsWhat is the Difference between Dolby Pro-Logic and Dolby Digital?
Welcome to JVCUAE.COMBoth are decoding systems for home theater sound. Dolby Digital is the successor to Dolby Pro-Logic. Pro-Logic is actually four channels of sound that is reproduced through five speakers. The four channels are: left, center, right and the left/right surround channels. In Pro-Logic mode the rear speakers are in mono. Pro-Logic is typically found on an analog source Ex: VCR tapes.
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 QuestionsSurround Associates - Specializing in all aspects of surroun...These are all encoding techniques to allow a multichannel signal to be delivered to the consumer. The main difference between them is the number of channels 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
My receiver is Dolby Pro Logic*, does this mean I can't listen to DVD's in Dolby Digital* 5.1?
DVD FAQWhile you won't get the same experience listening to Dolby Digital 5.1 audio on a Dolby Pro Logic system, you will notice a dramatic difference between listening in Dolby 5.1 and 2.0. Of course to take the fullest advantage of 5.1 you'd need a Dolby Digital receiver. Put simply, in order to fit all the information on one side of the DVD, the technology utilizes two layers of information. That delay is the laser reaching the end of layer 1 and finding layer 2.
Related QuestionsDo all Dolby Digital programs provide 5.1 channels?
Dolby Digital FAQ - Frequently Asked Questions About Dolby D...No. Dolby Digital soundtracks can provide anything from mono to full 5.1-channel surround sound. DVDs of movies can even carry multiple versions of the soundtrack that differ in number of channels. A disc might contain a 5.1-channel sound mix with the dialogue in one language, a two-channel mix encoded in Dolby Surround in another language, and a mono track with the director's comments or other supplementary information.
Related QuestionsHow do I connect the digital box to my home theatre with a Dolby Pro-Logic receiver?
Cogeco - Customer Support - Digital Cable TV support - FAQ -...Please click here for a detailed downloadable diagram. (The file size is 94 KB and the approximate download time is two seconds for a 56K modem). The diagram for download is in PDF format and requires the Adobe Acrobat Reader for viewing and printing.
Related QuestionsWhat is Dolby Digital 5.1?
Arlinktech2007This is a six-channel surround sound system found on many DVDs, sending discrete audio information to speakers at front left/right, surround left/right, centre and the subwoofer.
Related QuestionsDVDWorldUSA.comMost DVDs have a Dolby Digital sound track as standard. The most common 5.1 which means it has 5 separate and discreet sound channels and one channel for the low level or bass effects. Dolby Digital is also available in 6.1, also know as Dolby Digital EX as well as mono, stereo and surround.Related Questions
What's the big deal about Dolby Pro Logic IIx processing? Isn't Dolby Digital better?
Receivers: Frequently Asked QuestionsDolby Digital is a much more advanced surround technology than Dolby Pro Logic IIx, yes, but it's only available on high-definition video discs, DVDs, HDTV broadcasts, and some digital satellite programs and video games. Dolby Pro Logic IIx is designed to help you get more convincing multichannel sound from Dolby Surround-encoded soundtracks, like those found on many VHS tapes and stereo television broadcasts. Dolby Pro Logic IIx processing provides 6.1- or 7.
Related QuestionsCan I hear Dolby Digital programs over a regular stereo or Dolby Surround Pro Logic system?
Frequently Asked Questions about DolbyDigitalYes, 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. 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.
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 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 QuestionsCan you explain this Dolby Digital, Dolby Surround, Dolby Pro Logic, DTS stuff in plain English?
Almost every DVD contains audio in Dolby Digital format. DTS is an optional audio format that can be added to a disc in addition to Dolby Digital audio. Dolby Digital and DTS can store mono, stereo, and multichannel audio (usually 5.1 channels). Every DVD player in the world has an internal Dolby Digital decoder. The built-in 2-channel decoder turns Dolby Digital into standard analog stereo audio, which can be fed to almost any type of audio equipment (receiver, TV, boombox, etc.
Related QuestionsWhat is DOLBY 5.1?
Dis-Order: F.A.Q.Dolby Digital 5.1 is a new format that has become more popular with the coming of DVD. This audio format offers any number of dedicated channels up to five main channels and one low frequency effect channel. Dolby Digital is the most popular current decoding method for DVDs and offers the following improvements on movie soundtracks: In most ways, all DVD players are Dolby Digital compatible. Most DVDs are compatible with DVD players without a Dolby Digital encoder.
Related QuestionsWhat's the difference between Dolby Digital and DTS?
Sherwood Europe | FAQDolby Digital is 16 bits of PCM Linear Tracking that is compressed. DTS is 20 bits of Master quality audio that is not compressed. Dolby Digital and DTS are similar in that they are both digital lossy audio coding technologies, which means they use "perceptual" data reduction techniques that are based on the characteristics of human hearing to mask the process, thereby preserving high fidelity sound. This is necessary in order to fit the typical 5.
Related QuestionsI have a home theatre system. Can I record a program in Dolby Digital™ 5.1 on my PVR?
Basic Cable Servicelong as the program is being broadcast in Dolby Digital audio, the PVR will record the digital audio. A Dolbly Digital indicator will appear on the Flip Bar and Program Information screen for programs that provide it.
Related QuestionsI am playing a Dolby Digital 5.1 disc so why is the receiver playing back in stereo?
Yamaha Music Australia - Audio VisualFirstly, confirm that your digital connection (optical or coaxial) is securely made between your DVD player and 5.1 channel receiver. The Dolby Digital 5.1 signal is only transmitted out from the digital outputs on the back of the DVD player as shown below. You will not receive the Dolby Digital 5.1 signal if you are using a standard stereo RCA cable connected to the analog audio outputs on the back of the DVD player as shown below.
Related QuestionsWill ProtecTV support Hi-Fi Stereo/Dolby Digital 5.1?
ProtecTV FAQ Frequently Asked QuestionsThe The ProtecTV does not support optical or digital audio. It will support DVD players and Home Theater systems with the standard A/V cables.
Related QuestionsDo I need a DVD player with a built-in Dolby Digital® 5.1 decoder?
HOME ENTERTAINMENT 4 LESSIf you plan to connect the DVD player to a surround-sound receiver that is Dolby Digital ready, then a built-in decoder is necessary. If the receiver has a built-in decoder, the DVD player only needs to have the Dolby Digital passthrough.
Related QuestionsHow can I watch movies in Dolby® 5.1 (Dolby Digital)?
DISH Network -- FAQsWe are able to offer some movies with Dolby 5.1. If your audio visual equipment supports and is set up for Dolby Digital, you will be able to hear those movies in 5.1 surround sound.
Related QuestionsWhat are the differences between AC3, 5.1, Dolby Digital, and DTS sound types?
Sony Asia Pacific : Support : Product FAQs : DVP-K56Pis a generic description of a multi-channel sound system. All of these surround sound types use 5.1 channel decoding to provide surround sound....
Related QuestionsI have a home theater system. Can I record a program in Dolby Digital 5.1?
Help - Digital Cable | DVRlong as the program is being broadcast in Digital Audio, the DVR will record the digital audio portion. A Dolby Digital indicator will appear on the Flip Bar for programs broadcast in Dolby Audio.
Related QuestionsWhat is Dolby Digital technology?
Dolby Digital FAQ - Frequently Asked Questions About Dolby D...Dolby® Digital technology 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. First used in movie theaters in 1992, Dolby Digital technology is the result of decades spent by Dolby Laboratories developing signal-processing systems that exploit the characteristics of human hearing.
Related QuestionsWhat is 5.1-channel Dolby Digital?
Dolby Digital FAQ - Frequently Asked Questions About Dolby D...Dolby Digital programs can deliver surround sound with up to five discrete full-range channels: Left, Center, Right, Left Surround, Right Surround-plus a sixth channel for powerful low-frequency effects. 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).
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