Denon AVR-4810 Owner's Manual
Also see for AVR-4810: Service manual
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Contents
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Getting Started Connections Settings Playback Remote ControlMulti-zone Information Troubleshooting SpecificationsInformationENGLISHDTS SurroundDTS Digital SurroundDTS Digital Surround is the standard digital surround format of DTS,Inc., compatible with a sampling frequency of 44.1 or 48 kHz and upto 5.1-channels of digital discrete surround sound.DTS-ES™ Discrete 6.1DTS-ES™ Discrete 6.1 is a 6.1-channel discrete digital audio formatadding a surround back (SB) channel to the DTS digital surroundsound.Decoding of conventional 5.1-channel audio signals is also possibleaccording to the decoder.DTS-ES™ Matrix 6.1DTS-ES™ Matrix 6.1 is a 6.1-channel discrete digital audio formatinserting a surround back (SB) channel to the DTS digital surroundsound through matrix encoding. Decoding of conventional 5.1-channelaudio signals is also possible according to the decoder.DTS-HD High Resolution AudioDTS-HD High Resolution Audio is an improved version of theconventional DTS, DTS-ES and DTS 96/24 signals formats, compatiblewith sampling frequencies of 96 or 48 kHz and up to 7.1-channelsof discrete digital sound. High data bit rate performance provideshigh quality sound. This format is fully compatible with conventionalproducts, including conventional DTS digital surround 5.1-channeldata.DTS-HD Master AudioDTS-HD Master Audio is DTS, Inc’s lossless audio format compatiblewith up to 96 kHz/7.1-channels. The lossless audio coding technologyfaithfully reproduces the sound of the studio master. It is fullycompatible with conventional products, including conventional DTSdigital surround 5.1-channel data.DTS NEO:6™ SurroundDTS NEO:6™ is a matrix decoding technology for achieving 6.1-channel surround playback with 2-channel sources. It includes “DTSNEO:6 Cinema” suited for playing movies and “DTS NEO:6 Music”suited for playing music.Explanation of TermsDTS 96/24DTS 96/24 is a digital audio format enabling high sound qualityplayback in 5.1-channels with a sampling frequency of 96 kHz and 24bit 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; 7,212,872;7,333,929; 7,392,195; 7,272,567 & other U.S. and worldwide patentsissued & pending. DTS is a registered trademark and the DTS logos,Symbol, DTS-HD and DTS-HD Master Audio are trademarks of DTS,Inc. © 1996-2008 DTS, Inc. All Rights Reserved.DTS ExpressDTS Express is an audio format supporting low bit rates (max. 5.1-channels, 24 to 256 kbps).Audyssey MultEQ® XTAudyssey MultEQ XT is a room equalization solution that calibrates anyaudio system so that it can achieve optimum performance for everylistener in a large listening area. Based on several room measurements,MultEQ XT calculates an equalization solution that corrects for bothtime and frequency response problems in the listening area and alsoperforms a fully automated surround system setup.Audyssey Dynamic EQ™Audyssey Dynamic EQ solves the problem of deteriorating soundquality as volume is decreased by taking into account humanperception and room acoustics. Audyssey Dynamic EQ works intandem with Audyssey MultEQ XT to provide well-balanced sound forevery listener at any volume level.Audyssey Dynamic Volume™Audyssey Dynamic Volume solves the problem of large variations involume level between television programs, commercials, and betweenthe soft and loud passages of movies.Audyssey Dynamic EQ is integrated into Dynamic Volume so that asthe playback volume is adjusted automatically, the perceived bassresponse, tonal balance, surround impression, and dialog clarityremain the same.AudysseyAudyssey Dynamic Surround Expansion™ (DSX)Realistic reproduction of sound relies on the ability of audio systemsto match human hearing performance. Three key requirements are:(i) frequency response; (2) dynamic range; and (3) accurate spatialreproduction. The requirements for frequency response have alreadybeen surpassed with sampling rates that exceed human hearing. Thedynamic range limits of human perception have also been met withcurrent digital audio systems operating capable of signal to noise ratiosthat approach 120 dB. Accurate spatial sound rendering, however, hasnot yet reached the limits of perception as human perception relies onthe combination of sounds arriving from many more directions thanwhat 5.1 surround sound systems provide. Audyssey DSX technologywas developed to overcome the spatial sound rendering limitationsfaced by 5.1 surround sound formats.The ITU 5.1 channel standard recommends three front loudspeakersand two rear loudspeakers. The Left (L) and Right (R) frontloudspeakers should be placed at ±30° relative to the central listeningposition. The Center (C) loudspeaker should be at 0° and the surroundloudspeakers (SL, SR) should be placed between 100° and 120°. Allloudspeakers must be equidistant from the center listening position orcompensated with time delay if that is not possible. A separate low-frequency effects (LFE) channel is used to reproduce additional basscontent from the subwoofer.There are certain things that 5.1 surround sound systems do wellcompared to 2-channel stereo. For example, it is possible to movesounds across the front seamlessly. It is also possible to createambience behind the listener. But 5.1 channel surround systems do notprovide enough channels from which to render the required reflectedsound components for a seamless and enveloping soundstage.Unfortunately, the additional two back surround channels in 7.1systems are not in the right place to provide a significant perceptualimprovement.Adding more channels to a surround system is not for specialeffects. Accurate spatial sound reproduction requires rendering ofdirectional sound cues and non-directional ambient cues. Reflectionsarriving after the direct sound play a critical role in the perception ofsoundstage width and depth. To have the most impact, additionalsurround channels should be used to control the direction, time ofarrival, and frequency response of the reflected sound to render anexpanded soundstage that reproduces sound with better localizationand envelopment than what 5.1 systems provide. |
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