When you are faced with a 2.0 track and you would like to kick that up a notch what do you use? Pro Logic II is a system that decides what parts of a STEREO signal get played out of the 5 speakers in a surround setup in order to approximate discrete surround audio. If you want to install Dolby Audio in your Windows 10 computer, simply follow this article to … Dolby Digital. [bold]Dolby Digital[/bold] Dolby Digital is a flexible discrete digital … Before there was Dolby Atmos, or even discrete 5.1 surround sound, there was matrixed surround decoding based off a discrete two-channel feed. Dolby Digital, Dolby Pro Logic II and DTS 5.1 will all support this format. Dolby Digital is better for Movies on DVDs and Music on SACD or DVDA. Pro-Logic are actually four channels of sound that is reproduced through five speakers. Dolby Pro Logic is the domestic equivalent. Dolby Pro Logic é uma tecnologia de processamento de som surround desenvolvida pela Dolby Laboratories, projetado para decodificar trilhas sonoras codificados com Dolby Surround.O padrão Dolby Stereo foi originalmente desenvolvido pela Dolby, em 1976, para sistemas de som analógicos de cinema.O formato foi adaptado para uso doméstico em 1982 como Dolby Surround quando foram … If we look at the models in terms of Dolby Atmos support, then none of these soundbars can work with this technology. Press the ( ), ( ) buttons to select the desired effect setting. Would there be real benefit in doing a DD print, or … Dolby Digital (AC-3) - The first true discrete 5.1 digital surround format with five full range independent channels plus a dedicated subwoofer channel (.1). Whether HD or standard-definition, all digital TV broadcasts use Dolby Digital audio in the US, Canada, and other countries that have adopted the ATSC television standard. When I finally got my current dolby digital/dts 5.1 amp about 8 or 9 years ago and a dvd player the difference was amazing. Dolby Digital is the latest standard and is part of DVD and ATSC digital television. Sound Capabilities : Dolby Pro Logic II. The centre channel is encoded by placing it equally in the left and right channels; the rear channel is encoded using phase shift techniques, typically an out of phase stereo mixdown. My Dennon 1802 purchased many moons ago has the option of Dolby Pro Logic II decoder, Dolby Digital Decoder and DTS for decoding. Dolby Pro Logic IIx is an extension of Dolby Pro Logic II … Number of HDMI inputs: 4; Audio format: Dolby Digital 5.1, Dolby Digital EX, Dolby Pro Logic II, DTS 5.1; Built-in hard drive: no; Add to compare Sony. It gives you the optimized audio with varied content. The following are required to play a movie using the Vudu™ app in the Dolby® Digital 5.1 format: The movie must be played in either the HD or the HDX format.. Stereo downmix settings: IIx understøttede en bageste surroundkanal, hvorved Dolby Digital Surround EX blev tilnærmet, og IIz aktiverede højdekanaler, hvilket forudsagede Dolbys nyeste format, Dolby Atmos. Ones that might be Dolby Digital 5.1 only still: - HBO GO (but you need a subscription) If anybody has the answer to this, please let me know. listening position using phantom imaging between the surround speakers and front speakers. In this way, a stereo signal is transformed into a 3.0 – 5.1 multichannel soundtrack. rendering engine in the Dolby Atmos Renderer to accurately recreate the sound field at the central. Dolby has: 1) Dolby Digital (DD): This is a TRUE 5.1 digital audio format that is found in most DVDs as the primary audio data. When a Dolby Surround soundtrack is created, four channels of sound are matrix-encoded into an ordinary stereo (two channel) sound track. ... Dolby Digital, Dolby Pro Logic II: It gives you the optimized audio with varied content. Dolby Pro Logic. Before, I used to enable the ALSA sink and would pass the 2.0 sound onto my receiver as passthrough which would then decode the contained surround sound to 5.1. To tell you the truth I really havn't heard much feedback about the dts neo:6 at all and I've heard a ton of good things about Dolby Pro Logic II, so maybe I answered my own question. Experience it all in the immersive sound and stunning picture of Dolby Atmos and Dolby Vision. The documentation is unclear, however it’s safe to assume Dolby Surround refers to Dolby Pro Logic surround (the predecessor to DPL2, which is the next option down). Dolby Atmos It is just metadata, as we said, Dolby Atmos isn’t sound or a codec, it’s information about sound. From these I get 2-channel digital Dolby Pro Logic right now. This can often be caused by one of two things – either the source device (i.e. Dolby Surround Pro Logic II : The next level. My AVR is so old that it lacks HDMI and cannot decode Dolby Digital Plus 5.1 (and is honestly overdue for a replacement). Instead, front center channel surround sound. It might just mix down to stereo and rely on the Pro Logic decoder generating a surround effect from … So improved is its decoding, that it succeeds where Pro Logic performed poorly, i.e., playback of non-encoded material such as conventional 2-channel music. Dolby Digital is better for Movies on DVDs and Music on SACD or DVDA. NEO:6 cinema isn't so obviously different to DPL II movie mode, but having listened to it for a while I prefer DPL II movie mode. Subsequently, Dolby introduced its improved matrix surround technology, Dolby Pro Logic II. A later variation on this is Dolby Pro Logic II®. Among other improvements over Pro Logic, Pro Logic II provides two full-range surround channels, as opposed to Pro Logic’s single, limited-bandwidth surround channel. If we consider the models in terms of support for Dolby Atmos, then both soundbars can work with this technology. Dolby Digital is an encoding/decoding technology that faithfully reproduces sound as it was originally recorded, first developed for multichannel cinema sound. Update Firmware. Dolby Pro Logic II Effect. Audio format: DSD, DTS, DTS-HD Master Audio, Dolby Digital Plus, Dolby Dual Mono, Dolby Pro Logic II, Dolby TrueHD; Add to compare Sony. SurCode for Dolby Pro Logic II is a program that offers complete, Dolby–certified Dolby Pro Logic II encoding and Pro Logic II, Pro Logic IIx and Pro Logic IIz decoding of up to 8 channels of audio. HT-IS100. The Internet video device must be connected to an audio system that supports 5.1 Dolby Digital surround sound. The upcoming game Gran Turismo 4, on the other hand, lists both "Dolby Digital Pro Logic II" and "Dolby Surround Pro Logic II" (although the website is in Japanese, these two Dolby logos are quite clear). Dolby Pro Logic II is for when you're sending your receiver a stereo, 2 channel signal, and you want to hear sounds from all 5.1 speakers you have. I use DPL II Movie Mode while listening to stuff that's been DPL encoded, and DPL II Music Mode for TV shows and stuff that isn't DPL encoded. Any help is appreciated! DTS-HD, DTS, DTS Express, Dolby Digital, Dolby, DTS 96/24, Dolby Pro Logic II, DTS Neo:X, Dolby Digital EX, Dolby Pro Logic IIz, Dolby Digital Surround EX, DTS-ES, Dolby Digital Plus (DD+), Dolby Atmos, Dolby Surround, Dolby Pro Logic IIx, Dolby TrueHD, Dolby Pro Logic, DTS-HD Master Audio, DTS:X, Dolby Digital … "Surround" or various "Surround Modes" (Dolby ProLogic II, DTS Neo:6, etc.) 1 2 It provides a listening experience more like Dolby Digital 5.1, by deriving five channels, including two full -range surround channels, not only from programs encoded in • Dolby Vision bitstream profiles • Dolby Vision levels • Dolby Vision codec string 2.1 Dolby Vision bitstream profiles A Dolby Vision profile is a subset of Dolby Vision feature configurations predefined by Dolby. This setting expands Dolby Pro Logic II Movie or Dolby Digital 5.1 to 7.1 discrete movie channels. The most likely reason that the surround processor or receiver is displaying Pro Logic II instead of Dolby Digital or dts is that the signal it is receiving is a stereo (2 channel) signal instead of the 5.1/7.1 Dolby or dts bitstream audio. Introduced last year, Dolby Pro Logic II is an improved, more intelligent matrix decoder. It's mainly there for legacy reasons 'Pro Logic II Movie' is designed to give an optimal experience with Pro Logic movies and Pro Logic II compatible games 'Pro Logic II Music' is designed to give an optimal experience when listening to music. The format was adapted for home use in 1982 as Dolby Surround when HiFi capable consumer VCRs were introduced; it was then replaced by the newer and … Dolby Digital Plus, Dolby Digital, DTS Digital Surround, and PCM (2-channel PCM via digital optical, 5.1 channel PCM via HDMI eARC). The four channels are … Check the operating manual if you don't know how to do this. Expanding on established Dolby Pro Logic II matrix decoding innovations, Dolby Pro Logic IIz identifies and decodes spatial cues that occur naturally in all content—stereo and 5.1 broadcast, music CDs, DVDs, 5.1 and 7.1 Blu-ray™ discs, and video games. Probably because of the same pointlessness Juice mentioned for most users. Unlike stereo, in a Dolby Digital 5.1-channel environment, there are five full-range and discrete channels plus a sixth channel for deep bass sound. The new Apple TV ® comes with support for Dolby Digital Plus™ audio up to 7.1 channels and Dolby ® Digital audio up to 5.1 channels, which enables content providers to use Dolby Audio™ to deliver even richer and more immersive experiences to the new Apple TV. Dolby Pro Logic could technically be used on regular stereo content, but the results were poor, with too much content collapsing into the center channel, this was especially problematic for music. How Pro Logic works […] I was just curious I havn't heard of a head to head comparison about these too formats. un procédé ‘Phantom’ permet … Dolby Digital (AC-3) is a codec for 5.1 surround sound based on the MDCT (Modified Discrete Cosine Transform). In addition to Dolby Digital and DTS, you can now also enjoy existing Dolby Surround programs and conventional stereo sources such as CD in convincing 5.1-channel likeness. Neo:6 Cinema (NEO6 CIN) (for STR-DH750 only): Performs DTS Neo:6 Cinema mode decoding. Dolby Pro Logic IIx. Dolby Digital vs. Dolby SR If a film is dialogue-driven, doesn't ask for great dynamic range, has minimal surround content (Amb, Music and Reverb) what would you suggest to a budget indie production? You will see it in non Dolby Atmos equipped AVRs. Performs Dolby Pro Logic IIx Movie mode decoding. El 2000 Dolby va introduir Dolby Pro Logic II (DPL II), una implementació millorada de Dolby Pro Logic. 1. It supports 32, 44.1, and 48 kHz sample rates. The well-known Dolby Pro Logic (DPLI) technology was first introduced in 1987, allowing broadcasters, via 2-channel audio delivery, to deliver surround sound audio to home users. More recently, Dolby Laboratories introduced an improved decoding process called Dolby Surround Pro Logic II. It is most often thought of as "5.1", though it must be noted that it can have just about any combination, including 1.0, 2.0, 4.0, 4.1, and 5.1 etc. Down converts to Dolby Digital for systems that are not compatible. DAV-X1G. Any receiver with Pro Logic II will also have Dolby Digital and DTS support. The original Pro Logic has been included on just about every surround sound receiver over the past 15 years. I like DTS better when it's native, though. So, it's really a matter of personal preference. More detailed than the original 5.1 DTS, but not lossless like DTS-HD Master Dolby Audio provides a unique sound experience by enhancing digital audio output. What do you guys think is better audio 7.1 upconversion (I have only 5.1 speakers), DTS Neo6 or Dolby Pro Logic IIz? Dolby Pro Logic is the domestic equivalent. Because of this, it was optimized for taking a 5.1 mix created for Dolby Digital delivery, and simply running that mix through the encoder to create the Lt/Rt stereo downmix. Dolby Surround Pro Logic II is an improved matrix decoding technology that provides better spatiality and directionality on Dolby Surround program material; provides a convincing three-dimensional soundfield on conventional stereo music recordings. 'Pro Logic' is the original dolby system for folding 4 channels into 2, and then unfolding them again. Later variations of Dolby Pro Logic II derive even more channels from stereo content. Handbrake still has “Dolby Pro Logic II” and “Stereo” settings. To heighten perceived channel separation, etc, Dolby Pro Logic and Dolby Pro Logic II decoding schemes were developed. NEW YORK — Holophone®, the leading manufacturer of surround microphones, announces an exclusive deal to offer its Dolby Pro Logic II licensed microphones, the H4 SuperMINI, PortaMic 5.1 and PortaMic Pro, exclusively bundled with Minnetonka Audio’s SurCode™ for Dolby® Pro Logic® II software at AES 2009 (Booth 868). That information piggybacks on top of existing surround sound signals. Dolby Digital is the successor to Dolby Pro-Logic. Type I and II CF+ Microdrive Secure Digital SD Card Secure Digital High Capacity SDHC Card. ... Dolby Digital, Dolby Pro Logic II: Reviews. Both Dolby Pro Logic II, dts Neo 6 and Harman/Kardon's Logic 7 in fact do analyze the relative phase and level between the input signals and use the ambient out-of-phase information to … Dolby surround upmixer replaces the Dolby Pro Logic II family of upmixers, offering greater flexibility and superior audio performance. It’s a 5.1 system that has 500 watts of total power, it can be set up in a 2.1, 4.1, or stereo 3d matrix mode, it boasts Dolby digital DTS and PCM audio, sound pressure level is rated up to 110 decibels, the frequency response is amazing from 35 Hertz to 20,000 kilohertz, and while the signal to noise ratio is weighted to 95 decibels. Do you select the originator Dolby Pro Logic or do you go with the new guy DTS Neo:6 or do you pick the wild card and use your receivers proprietary software? If not, why? Provides more detailed sound effects than Dolby Digital 5.1, though it isn't lossless like Dolby TrueHD; DTS-HD. There is a surround button that gives you the option of all surround sound settings. Experience it all in the immersive sound and stunning picture of Dolby Atmos and Dolby Vision. This setting expands Dolby Pro Logic II Movie or Dolby Digital 5.1 to 7.1 discrete movie channels. The helicopter’s sound is encoded as a matrixed sound in the discrete surround channels of the standard 5.1 Dolby Digital … More Buying Choices $189.99 (1 used offer) Logitech G935 Wireless DTS:X 7.1 Surround Sound LIGHTSYNC RGB PC Gaming Headset - Black, blue. The more advanced Dolby Pro Logic II produces five channels of sound. The reason for this is that Pro Logic is analog, not digital in nature. S/PDIF – transmits digital audio signals in various formats. Dolby Atmos Dolby Digital Dolby Digital EX Dolby Digital Plus Dolby Dual Mono Dolby Pro Logic Dolby Pro Logic II Dolby Pro Logic IIx Dolby Surround Dolby TrueHD Dolby Vision DSD decoder DTS:X DTS 96/24 DTS decoder DTS-ES decoder DTS-ES Discrete 6.1 DTS-ES Matrix 6.1 DTS-HD High Resolution DTS-HD Master Audio DTS Neural:X Download dolby audio windows 7 for free. Dolby HDR (Dolby High-Dynamic Range) A family of high-contrast LED backlight technologies for LCD TVs from Dolby Laboratories. Dolby Contrast Introduced in 2008, Dolby Contrast is an LED backlight technology that uses local dimming to increase the dynamic range between the brightest and darkest pixels of the image. Dolby Pro Logic II works in 2 ways. Supported Dolby digital Live SPDIF with Dolby Prologic. The peculiarity of Dolby Atmos is that this format is object-oriented, that is, each object of the audio signal is sounded separately and linked to its spatial location. System Utilities downloads - Dolby Advanced Audio V2 User Interface Driver for Windows 7 by Dolby Laboratories Inc and many more programs are available for instant and free download. S/PDIF – transmits digital audio signals in various formats. 5.1 actually has a dedicated channel per speaker There is no obvious difference between an Lt/Rt signal encoded as Dolby Surround or Pro Logic II, and the Hi, I recently got a surround sound system for my room, when hooked up to my Playstation 3 There are different sound settings: Dolby Pro Logic II Music Dolby Pro Logic II Movie Dolby Emulation I am very confused on what the difference is between the three. iii). 3. Dolby ProLogic II - upmixing Forum: General Discussion. Dolby Pro Logic decoder, so any program encoded in Dolby Pro Logic II will play back correctly on a Dolby Surround system. There is no such thing as Dolby Digital Pro Logic, it's Dolby Pro Logic. Direct render: renders from Dolby Atmos to 5.1 (without downmixing via 7.1) by using the. Industry vet Paul Scarpelli recounts a … Dolby took advantage of this and created AC-3, now known as Dolby Digital. Dolby Digital, DTS, Dolby Pro Logic II, DTS Neo:6: Dolby Digital, DTS, Dolby Pro Logic II, DTS Neo:6: Supported devices: All HDTVs and video games, most DVDs and Blu-ray disks: All HDTVs and video games, most DVDs and Blu-ray disks: Setup. A new solution was needed. Le Dolby Pro logic a connu une nouvelle révision en août 2000, baptisée Dolby Pro Logic II. Game mode is similar to Movie mode, except it redirects more bass to the LFE channel. The bonus was, it worked equally well on both movies and music. Dolby Pro Logic II is an improvement on Dolby Pro Logic where 2 channel stereo music or movie sound is artificially reproduced to get the sound in all 5.1 speakers. 5.1 is also the standard surround sound audio component of digital broadcast and music. It enables the user to tweak the sound system to provide an experience which only one can witness at a theater. The centre channel is encoded by placing it equally in the left and right channels; the rear channel is encoded using phase shift techniques, typically an out of phase stereo mixdown. Dolby Stereo was originally developed by Dolby in 1976 for analog cinema sound systems. Dolby ProLogic II technology Processes the standard four channel Dolby ProLogic technology signal to reproduce 5.1 channel surround. Test your surround sound system with a Dolby Pro Logic decoder. Then I migrated to dolby pro logic and it was more enveloping. Switch the inputs to access connected devices. Dolby pro logic selbst wurde 1986 entwickelt. The program allows an end–to–end, encode/decode cycle for … I like the ProLogic II for live recordings but for studio albums you just wanna crank, multi-channel stereo is great. Description: The AVR-1603 A/V receiver with Dolby Pro Logic II and powerful output of 80 watts per channel lets you enjoy multi-channel home theater entertainment in a new dimension. Pro Logic is an old "surround" format by Dolby. Many DVDs usually the older releases are encoded in matrix surround and Dolby Digital 2.0. It depends however if the source device can actually encode the Dolby Digital sound track into Pro logic format. Dolby Digital EX is similar in practice to Dolby's earlier Pro Logic format, which utilized matrix technology to add a center surround channel and single rear surround channel to stereo soundtracks. Powered by the boom in popularity of VHS in the late 1980s, Dolby Pro Logic … It takes the four channels of surround sound (left, centre front, right and a mono surround channel) from a VHS tape or television broadcast, properly processes the sound and reproduces that sound in your home. Because of this, it was optimized for taking a 5.1 mix created for Dolby Digital delivery, and simply running that mix through the encoder to create the Lt/Rt stereo downmix. The independent channels really make for a very engrossing movie. It supports 32, 44.1, and 48 kHz sample rates. However, if you want the true experience you can choose the appropriate channel count surround option from the “Mixdown” dropdown. Matrix surround means that the original source audio mix came from a multichannel analog master, then during the production process … The lossy digital playback method supports 5.1 channels and is the standard on DVDs. Designed with a slimmer profile, the full–featured, easy–to–use JBL bar 2. As part of the Dolby Atmos bundle, Dolby Surround is a total replacement of Pro Logic. De plus, l'intégration d'enceintes d'effets au plafond sur toute la profondeur de la salle accroît encore l'immersion et la précision des effets sonores. Dolby Pro Logic - Similar to Dolby surround but added a center channel based on matrixed encoded information derived from the front left/right channels. XM Ready, HDMI, Dolby Digital Pro Logic II, dts Digital Surround. Pro Logic II improves on that by instead of having a mono surround channel where it has the same info it has info for both left and right surrounds. This means that you can enjoy a virtual 5.1 surround sound effect from a stereo source but can also work with a 4-channel Dolby source. Connect the Z-680 directly to a PC sound card, Xbox, PlayStation2, DVD player, satellite receiver, or other Dolby-ready source and get true surround sound. So at best you will get Pro Logic. Dolby Pro Logic IIx. Surcode for dolby pro logic ii is a program that offers complete, dolby certified dolby pro logic ii encoding and pro logic ii, pro logic iix and pro logic iiz decoding of up to 8 channels of audio. Dolby Pro Logic II: allows you to enjoy 2-channel stereo recordings in stunning 5.1-channel surround playback; Cinema-DSP Movie Modes: an upgraded version of Yamaha's DSP, which is specifically designed for movie soundtracks. Dolby Pro Logic II…one giant leap for mankind… The folks at Dolby realized that Dolby Pro Logic was long in the tooth, and years later, Jim Fosgate’s most advanced analog surround technology was adopted by Dolby and named Dolby Pro Logic II. DTS-HD Master Audio, Dolby Digital Plus, Dolby Pro Logic II, Dolby TrueHD DTS-HD Master Audio, DTS:X, Dolby Atmos, Dolby Digital Plus, Dolby Surround, Dolby TrueHD Equalizer Game has support for Dolby Pro Logic II sound. When a Dolby Surround soundtrack is created, four channels of sound are matrix-encoded into an ordinary stereo (two channel) sound track. What does not work is Dolby Digital 2.0. Dolby Surround – encodes four channels (front left, front right, center, and rear) into a two channel signal. Dolby Pro Logic/Dolby Digital/DTS Enhanced: simulates a … This spatial coding is not a channel-based, matrix-encoding system like Dolby Pro Logic® II or Dolby Pro Logic IIz. So select Dolby Pro Logic II if you have stereo source (music or normal TV sound) but wants to have surround experience. Dolby Surround/Pro Logic is based on basic matrix technology. Press the PL II EFFECT button. All 5.1 systems use the same speaker channels and configuration, having a front left and right, a center channel, two surround channels and a subwoofer. Any help is appreciated! Dolby Labs' Stunning New Circuit Extracts a Goldmine of Hidden Spatial Cues from Stereo CDs, LPs, and old Surround Movies. Dolby Digital (Plus) When Dolby Digital first established itself in cinemas and then in living rooms in the 1990s, it marked the transition from analogue to digital surround sound. I have the option for both. Audio Setup. The Dolby Pro logic decoder would use an algorithm to extract this info from 2 channel sources for surround sound. This is a process, rather than a codec, using a form of PCM (Pulse Code Modulation). Dolby Digital delivers up to 5.1 discrete channels of surround sound to add realism and depth to sporting events, dramatic features, and other types of programming. Pro Logic is a quadraphonic system in which two additional channels, center and rear, are encoded into the left and right stereo channels. It wasn't much but it was enough to add to the experience (back in the vhs days). Dolby Pro Logic IIx – an update to Dolby Pro Logic II with an additional channel to produce 6.1 surround sound. It’s just that newer releases now default to Stereo for the “mixdown” instead of DPL2. The Dolby Pro Logic II encoding process was developed to allow consumers to enjoy a 5.1- channel experience on delivery systems that have a two-channel limitation. Pro Logic IIs påstand om berømmelse var, at det gav stereo-surroundkanaler, og således understøttede 5.1-lyd og simulerede det samme på ikke-Dolby-spor. 6.1 (6-7 speakers + subwoofer) A 6.1 setup takes all the speakers from 5.1 and adds a rear channel. Dolby creates audio, visual, and voice technologies for movies, TV, music, and gaming. Dolby Digital (AC3, 5.1) technology This is a multi-channel surround system that contains 6 discrete channels of audio (left front, … Dolby Pro Logic is a matrix decoded multichannel surround sound system, meaning that it turns two-channel (stereo) sound into four channels of sound. Dolby Pro Logic II. Dolby Audio Dolby Audio provide crystal clear sound with automatic volume control and enhanced loudness. It cycles between several sub-sets but the main two are Dolby Pro Logic II (X) -- dpl II x is for 7.1, but it automatically sets it to dolby pro logic II (5.1) if you don't have a 7.1 set up, so basically I'm dropping from a 6.1 to a 5.1 with that setting. Dolby Digital. Dolby Digital is a flexible discrete digital technology for carrying audio. Dolby Pro-Logic II is still not available but it has been replaced by the CMSS 3D system, which does a more than adequate job of converting stereo sound into 7.1 sound or less. Dolby. When paired with Dolby Digital 5.1 decoding in a device, Dolby Pro Logic II gives consumers a 5.1-channel surround sound experience on all their content. It does NOT do Dolby Digital Plus or any of the newer formats. 4.3 out of 5 stars 1,656. This can often be caused by one of two things – either the source device (i.e. Dolby Digital. Game has support for Dolby Pro Logic II sound. D&D Beyond Well, the one game I have with DPL2, Burnout 3, simply says "Dolby Pro Logic II".. no mention of Digital or Surround. Pro Logic II is a system that decides what parts of a STEREO signal get played out of the 5 speakers in a surround setup in order to approximate discrete surround audio. Dolby Digital vs Dolby Pro Logic II, Audio. Sound Capabilities : Dolby Pro Logic II. Dolby Surround/Pro Logic is based on basic matrix technology. Dolby Pro Logic II also known as PLII is a Dolby processing mode that creates a 5.1 channel signal from a stereo codec. You need a DVD player with a Digital Coaxial or Optical output (or HDMI but lets not go there for now) to READ this data (and thats why they use the Dolby Digital and DTS logos in the front). Dolby Pro Logic is the surround sound codec that really put surround sound for home theater on the map. I have a Samsung smart TV and a Denon receiver that can encode many different audio formats such as Dolby Digital 5.1, DTS, and Dolby pro logic II. Dolby developed new home authoring tools and new encoding methods that take into account the spatial information of the sound objects to efficiently encode them in Dolby® TrueHD and Dolby Digital Plus™.
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