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Type - Stereo
- Surround
THX Certified - No
- THX Select
- THX Select2
- THX Select2 Plus
- THX Ultra
- THX Ultra2
- THX Ultra2 Plus
HDMI Version - HDMI 1.0
- No HDMI
- Up to HDMI 1.1
- Up to HDMI 1.2
- Up to HDMI 1.2a
- Up to HDMI 1.3
- Up to HDMI 1.3a
DVD-Audio - No
- Yes
DTS HD - No
- Yes
Dolby TrueHD - No
- Yes
Dolby Digital Plus 7.1 - No
- Yes
DTS ES 6.1 - No
- Yes
Current Dolby Digital Surround EX soundtracks contain a digital flag that can automatically activate the EX decoding in a receiver or preamp/processor. For titles released prior to late 2001, however, you need to turn on the EX decoding manually.'>Dolby Digital EX
- No
- Yes
DTS 5.1 - No
- Yes
Dolby Digital 5.1 - No
- Yes
Pro Logic IIx is the first and only technology to expand any existing stereo- or 5.1-channel audio for a 6.1- or 7.1- channel playback, creating a seamless, natural surround soundfield that immerses you in the entertainment experience.
Dolby® Pro Logic® II technology processes any high quality stereo (two-channel) movie and music audio into five playback channels of full-bandwidth surround sound. A matrix surround decoding technology, Dolby Pro Logic II detects the directional cues that occur naturally in stereo content and uses these elements to create a five-channel surround sound playback experience. It's ideally suited for home theater systems, PCs, game consoles, and multichannel in-car audio systems (as Dolby Pro Logic II Surround).
Dolby Pro Logic II is fully compatible with all Dolby Pro Logic technologies. It provides optimal audio for playback in a 5.1-channel home theater system for the thousands of videocassettes and TV programs encoded in four-channel Dolby Surround (the encoding counterpart to Dolby Pro Logic's decoding technology. Dolby Pro Logic II also enables video game consoles to encode five-channel surround sound information into a stereo signal with virtually no impact on the console's CPU, which means all this extra audio won't slow your game down.
Dolby Pro Logic II can bring new life to your CD collection. Play your music through your home theater system, and you'll hear seamless, natural sound with new depth and detail – it's almost like hearing a newly remastered CD.
In addition to enhancing playback, Dolby Pro Logic II can be used to encode TV programming to deliver a surround sound experience for viewers with stereo TV systems.
Dolby Surround is the consumer version of the original Dolby multichannel analog film sound format (Dolby analog and Dolby SR [Spectral Recording]). When a Dolby Surround soundtrack is produced, four channels of audio information—Left, Center, Right, and Mono surround—are matrix-encoded onto two audio tracks. These two tracks are then carried on stereo program sources such as videotapes and TV broadcasts into the home, where they can be decoded by Dolby Pro Logic® to recreate the original four-channel surround sound experience.
A result of Dolby's expertise in matrix surround processing, Dolby Pro Logic was the foundation for multichannel home theater, and was the reference decoder for creating the surround sound audio tracks in thousands of commercially available videocassettes, laser discs, DVDs, and television programs.
With the introduction of the Dolby Digital multichannel film sound format, Dolby Digital has replaced Dolby Surround as the preferred technology to deliver multichannel audio to consumers via DVD-Video, digital television, and games. However, every Dolby Digital decoder also provides a Dolby Pro Logic-compatible stereo signal on its analog outputs.'>Dolby Pro Logic II/IIx
- No
- Pro Logic
- Up to Pro Logic II
- Up to Pro Logic IIx
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