Bedienungsanleitung NAD T 747 (Seite 28 von 42) (Englisch)

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DOLBY DIGITAL SURROUND MODES

The following are further descriptions about the Dolby Digital surround

modes.

Dolby Digital Plus

Dolby Digital Plus is the next-generation audio technology for all high-

denition programming and media. Dolby Digital Plus delivers multi-channel

audio programs of up to 7.1 channels and supports multiple programs in a

single encoded bitstream with the maximum bit rate potential of up to 6 Mbps

and the maximum bit rate performance of up to 3 Mbps on HD DVD and

1.7 Mbps on Blu-ray Disc. It outputs Dolby Digital bitstreams for playback on

existing Dolby Digital systems. Dolby Digital Plus can accurately reproduce the

sound originally intended by directors and producers.

It also features multi-channel sound with discrete channel output,

interactive mixing and streaming capability in advanced systems.

Supported by High-Denition Media Interface (HDMI), a single-cable digital

connection is possible for high-denition audio and video.

Dolby TrueHD

Dolby TrueHD is a lossless encoding technology developed for high-denition

optical discs. Dolby TrueHD delivers tantalizing sound that is bit-for-bit identical

to the studio master, unlocking the true high-denition entertainment

experience on high-denition optical discs in the next generation.

It supports bit rates of up to 18 Mbps and records up to 8 full-range

channels individually with 24-bit/96 kHz audio. It also features extensive

metadata including dialogue normalization and dynamic range control.

Supported by High-Denition Media Interface (HDMI), a single-cable digital

connection is possible for high-denition audio and video. HD DVD and Blu-

ray Disc standards currently limit their maximum number of audio channels

to eight, whereas Dolby Digital Plus and Dolby TrueHD support more than

eight audio channels. Note that the T 747 only supports 7.1 channel.

Dolby Digital EX

Using a Matrix decoder, this method creates the back channel (sometimes

also called the “surround center”) by means of signals on the left and

right surround channels recorded in Dolby Digital 5.1, reproduction being

provided in Surround 6.1. This method should be selected with sources

bearing the (double-D symbol)-EX, recorded in Dolby Digital Surround EX.

With this additional channel you will experience improved dynamics and

a better sensation of movement within the sound eld. If media sources

recorded in Dolby Digital EX are decoded with a Digital EX decoder,

the format is detected automatically, and the Dolby Digital EX mode is

selected. However, some media sources recorded in Dolby Digital EX can

be detected as simple Dolby Digital media sources. In this case Dolby

Digital EX should be selected manually.

NOTE

Please refer to the section “LISTENING MODE” at the Main Menu

discussions for a description of PLIIx Movie, PLIIx Music and Stereo

Downmix modes.

DTS

The Digital Theater System Digital Surround (simply called DTS) is a multi-

channel digital signal format that can process higher data rates than with

Dolby Digital. Although both Dolby Digital and DTS are 5.1 channel media

formats, discs bearing the “DTS” symbol are thought to provide better

sound quality due to the lower audio compression required. It also oers a

broader dynamic, producing magnicent sound quality.

A DTS input can be defaulted to one of the following options - DTS+NEO:6

Music, Neo:6 Cinema, Neo:6 Music, Stereo Downmix or None.

If “None” is selected, the DTS signal will follow the “Digital” setting set forth

at “Other” option under this menu section. See discussion below about

“Other”.

OTHER

If “None” is selected above for any of the Dolby Digital, 2 Channel, Surround

and DTS options or if the audio input is an analog signal, this “Other”

section will manage the default audio format as per the “Digital” or “Analog”

settings.

Digital: The detected digital input can be congured by way of one

of the following options – 7 ch Stereo, Enhanced Stereo, EARS, Neo:6

Music, Neo:6 Cinema, PLIIx Music, PLIIx Movie, DVS Wide, DVS Reference

or None.

Analog: If the audio input is an analog signal, the following are the

surround modes the input can be defaulted – 7 ch Stereo, Enhanced

Stereo, EARS, Neo:6 Music, Neo:6 Cinema, PLIIx Music, PLIIx Movie, DVS

Wide, DVS Reference, Stereo or None.

NOTE

All these Listening Modes for “Dolby Digital”, “DTS” and “Other” can

be directly changed by pressing the “LISTENING MODE” button on

the front panel or through the “Listening Mode” option at the Main

Menu window. The chosen audio format will be reected back to the

appropriate setting at the “Listening Mode Setup”.

OPERATION

USING THE T 747  SETUP MENU

ENGLISH FRANÇAIS ESPAÑOL ITALIANO DEUTSCH NEDERLANDS SVENSKA РУССКИЙ

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