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G2H When not using surround back speakers
Subwoofer
Surround speakers
Monitor
Center speaker
Front speakers
60°
120°
2 to 3 feet /
60 to 90 cm
Front speaker
Surround speaker
G
As seen from above
H G
As seen from the side
H
Dolby Digital
Dolby Digital is a multichannel digital signal format developed by Dolby
Laboratories.
A total of 5.1-channels are played: 3 front channels (“FL” , “FR” and
“C”), 2 surround channels (“SL” and “SR”) and the “LFE” channel for
low frequencies.
Because of this, there is no crosstalk between channels and a realistic
sound field with a “three-dimensional” feeling (sense of distance,
movement and positioning) is achieved.
A real, overpowering sense of presence is achieved when playing
movie sources in AV rooms as well.
Surround
Dolby Surround
The AVR-688 is equipped with a digital signal processing circuit that
lets you play program sources in the surround mode to achieve the
same sense of presence as in a movie theater.
Dolby Pro Logic g
Dolby Pro Logic g is a matrix decoding technology developed by Dolby
Laboratories.
Regular music such as that on CDs is encoded into 5-channels to
achieve an excellent surround effect.
The surround channel signals are converted into stereo and full band
signals (with a frequency response of 20 Hz to 20 kHz or greater)
to create a “three-dimensional” sound image offering a rich sense of
presence for all stereo sources.
Dolby Pro Logic gx
Dolby Pro Logic gx is a further improved version of the Dolby Pro Logic
g matrix decoding technology.
Audio signals recorded in 2-channels are decoded to achieve a natural
sound with up to 7.1-channels.
There are 3 modes: “Music” suited for playing music, “Cinema”
suited for playing movies, and “Game” which is optimized for playing
games.
b Sources recorded in Dolby Surround
Sources recorded in Dolby Surround are indicated with the following
logo marks.
Dolby Surround support mark :
Manufactured under license from Dolby Laboratories.
“Dolby”, “Pro Logic” and the double-D symbol are trademarks of
Dolby Laboratories.
DTS Surround
DTS Digital Surround
DTS Digital Surround is the standard digital surround format of DTS,
Inc., compatible with a sampling frequency of 44.1 or 48 kHz and up
to 5.1-channels of digital discrete surround sound.
DTS-ES™ Discrete 6.1
DTS-ES™ Discrete 6.1 is a 6.1-channel discrete digital audio format
adding a surround back (SB) channel to the DTS digital surround sound.
Decoding of conventional 5.1-channel audio signals is also possible
according to the decoder.
DTS-ES™ Matrix 6.1
DTS-ES™ Matrix 6.1 is a 6.1-channel discrete digital audio format
inserting a surround back (SB) channel to the DTS digital surround
sound through matrix encoding. Decoding of conventional 5.1-channel
audio signals is also possible according to the decoder.
DTS NEO:6™ Surround
DTS NEO:6™ is a matrix decoding technology for achieving 6.1-
channel surround playback with 2-channel sources. It includes “DTS
NEO:6 CINEMA” suited for playing movies and “DTS NEO:6 MUSIC”
suited for playing music.
DTS 96/24
DTS 96/24 is a digital audio format enabling high sound quality
playback in 5.1-channels with a sampling frequency of 96 kHz and 24
bit quantization on DVD-Video.
Manufactured under license under U.S. Patent #’s: 5,451,942;
5,956,674; 5,974,380; 5,978,762; 6,226,616; 6,487,535; 7,003,467
& other U.S. and worldwide patents issued & pending. DTS, DTS
Digital Surround, ES, and Neo:6 are registered trademarks and the
DTS logos, Symbol and DTS 96/24 are trademarks of DTS, Inc.
©
1996-2007 DTS, Inc. All Rights Reserved.
Information