Neural surround, Audyssey multeq® xt, Hdcd® (high definition compatible digital®) – Denon AVR-4308CI User Manual
Page 79: Denon link advanced al24 processing multi channel

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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 & other 
U.S. and worldwide patents issued & pending. DTS is a registered 
trademark and the DTS logos, Symbol, DTS-HD and DTS-HD 
Master Audio are trademarks of DTS, Inc.© 1996-2007 DTS, Inc. 
All Rights Reserved.
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.
Neural Surround™, a breakthrough in audio technology, will bring the 
excitement of surround music to more of America’s listening audience. 
It provides the rich envelopment and discrete image detail of surround 
sound in a format 100 % compatible with stereo. With superior 
spectral resolution and channel separation, Neural Surround™ draws 
the brain’s attention to sonic details in musical instruments, vocals, 
and ambience that are typically masked by other playback systems. 
This allows the listener to fully experience the richness and subtleties 
in recorded performance as never before. As the chosen format for XM 
Satellite Radio’s new XM HD surround programming, Neural Surround 
will help deliver more surround music to more listeners than any other 
broadcast format. XM Satellite Radio will be the first radio company to 
broadcast surround sound on the radio 24 hours a day and will offer 
three channels fully dedicated to Neural Surround™ music. This alone 
will amount to more than 25,000 hours of Neural Surround™ music 
each year.
Neural Surround
This product is manufactured under license from Neural Audio 
Corporation. 
D&M Holdings Inc. hereby grants the user a non-exclusive, 
nontransferable, limited license right exercisable to use the NA 
SURROUND Technology and other US and World Wide Patents 
Pending technology.
“Neural” and “Neural Audio” and “Neural Surround” are 
trademarks of Neural Audio Corporation. All Rights Reserved.
Audyssey MultEQ® XT is the first technology to properly measure sound 
information throughout a listening area, then combine this information 
to accurately represent the acoustical problems in the room. Based on 
these measurements, MultEQ XT calculates an equalization solution 
that corrects for both time and frequency response problems in every 
seat. Audyssey MultEQ XT not only corrects frequency response 
problem in a large listening area but also performs a fully automated 
surround system setup. 
For a detailed description, see page 25. 
Audyssey MultEQ® XT
HDCD® is an encoding/decoding technology that greatly reduces 
the distortion that occurs upon digital recording while maintaining 
compatibility with the conventional CD format, thus expanding the 
dynamic range and achieving a high resolution.
Conventional CDs and HDCD compatible CDs are identified 
automatically to select the optimum digital processing.
HDCD®
(High Definition Compatible Digital®)
Audyssey MultEQ® XT is a trademark of Audyssey Laboratories. 
It is licensed under U.S. and National Patent Applications 
20030235318 and 10/700,220. Additional U.S. and Foreign 
Patents pending. MultEQ XT and the Audyssey MultEQ XT logo 
are trademarks of Audyssey Laboratories, Inc. All rights reserved. 
®, HDCD®, High Definition Compatible Digital® and
Microsoft® are either registered trademarks or trademarks of 
Microsoft Corporation, Inc. in the United States and/or other 
countries. HDCD system manufactured under license from 
Microsoft Corporation, Inc. This product is covered by one or more 
of the following: In the USA: 5,479,168, 5,638,074, 5,640,161, 
5,808,574, 5,838,274, 5,854,600, 5,864,311, 5,872,531, and in 
Australia: 669114. Other patents pending.
DENON LINK
Advanced AL24 Processing Multi
channel
DENON LINK is a unique digital, balanced transfer type interface 
developed by DENON. It offers high speed, high quality transfer of 
digital audio data with low signal loss. It can be used together with 
DENON DVD players equipped with a special DENON LINK connector 
using a single cable to enable playback with high sound quality.
It allows digital transfer of the 192 kHz/24 bit 2-channel digital signals 
of DVD-Audio discs, PCM multi-channel signals, etc. Full-spec digital 
transfer of the audio contents of Super Audio CD is possible by 
connecting a player equipped for DENON LINK 3rd Edition.
Equipped with “Advanced AL24 Processing” time axis region 
information volume expansion
In addition to the existing “AL24 Processing Plus” bit expansion 
technology, DENON has also developed “Advanced AL24 Processing” 
that dramatically improves information volume in the time axis region 
using high-speed signal detection and processing technology. In 
addition to expanding original 16-bit digital data to 24 bits, “Advanced 
AL24 Processing” uses data interpolation along the time axis or up-
converted sampling to achieve natural interpolation without losing the 
original data. A digital filter is used to further expand adaptability and 
perform optimum filtering calculations for ringing-free pulse response, 
pulsive music data and attack sounds.
This results in the reproduction of such spatial information as the 
delicate nuances in the music, the positions of the performers, and 
the breadth, height, and depth of the concert hall. “Advanced AL24 
Processing” is conducted for all channels and modes other than DSD 
DIRECT.
Inf
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