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Dolby Pro Logic IIx is fully compatible with Dolby
Surround Pro Logic technology and can optimally
decode the thousands of commercially available
Dolby Surround encoded video cassettes and
television programs with enhanced depth and
spatiality. It can also process any high-quality
stereo or Advanced Resolution 5.1-channel music
content into a seamless 6.1- or 7.1-channel
listening experience.
Manufactured under license from Dolby Laboratories.
“Dolby”, “Pro Logic”, and the double-D symbol are
trademarks of Dolby Laboratories.
Circle Surround II (CS-II) is a powerful and
versatile multichannel technology. CS-II is
designed to enable up to 6.1 multichannel surround
sound playback from mono, stereo, CS encoded
sources and other matrix encoded sources. In all
cases the decoder extends it into 6 channels of
surround audio and a LFE/subwoofer signal. The
CS-II decoder creates a listening environment that
places the listener “inside” music performances
and dramatically improves both hi-fi audio
conventional surround-encoded video material.
CS-II provides composite stereo rear channels to
greatly improve separation and image positioning –
adding a heightened sense of realism to both audio
and A/V productions.
CS-II is packed with other useful feature like dialog
clarity (SRS Dialog) for movies and cinema-like
bass enrichment (TruBass). CS-II can enable the
dialog to become clearer and more discernable in
movies and it enables the bass frequencies
contained in the original programming to more
closely achieve low frequencies – overcoming the
low frequency limitations of the speakers by full
octave.
Circle Surround II, Dialog Clarity, TruBass, SRS
and symbol are trademarks of SRS Labs, Inc.
Circle Surround II, Dialog Clarity and TruBass
technology are incorporated under license from
SRS Labs, Inc.
DTS 96/24 offers the following:
1. Sound quality transparent to the original 96/24
master.
2. Full backward compatibility with all existing
decoders. (Existing decoders will output a 48
kHz signal)
3. No new player required: DTS 96/24 can be
carried on DVD-video, or in the video zone of
DVD-audio, accessible to all DVD players.
4. 96/24 5.1-channel sound with full-quality full-
motion video, for music programs and motion
picture soundtracks on DVD-video.
Dolby Digital identifies the use of Dolby Digital
audio coding for such consumer formats as DVD
and DTV. As with film sound, Dolby Digital can
provide up to five full-range channels for left,
center, and right screen channels, independent left
and right surround channels, and a sixth ( ".1")
channel for low-frequency effects.
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; and is ideally suited to bring the
surround experience to automotive sound. While
conventional surround programming is fully
compatible with Dolby Surround Pro Logic
II
decoders, soundtracks will be able to be encoded
specifically to take full advantage of Pro Logic
II
playback, including separate left and right
surround channels. (Such material is also
compatible with conventional Pro Logic decoders.)
Dolby Digital EX creates six full-bandwidth output
channels from 5.1-channel sources. This is done
using a matrix decoder that derives three surround
channels from the two in the original recording.
For best results, Dolby Digital EX should be used
with movies soundtracks recorded with Dolby
Digital Surround EX.
About Dolby Pro Logic
IIx
Dolby Pro Logic IIx technology delivers a natural
and immersing 7.1-channel listening experience to
the home theater environment. A product of
Dolby's expertise in surround sound and matrix
decoding technologies, Dolby Pro Logic IIx is a
complete surround sound solution that maximizes
the entertainment experience from stereo as well
as 5.1-channel encoded sources.
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