Bedienungsanleitung NAD T748v2 (Seite 23 von 40) (Englisch)

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DOLBY TrueHD

Dolby TrueHD is a lossless encoding technology developed for high-

denition optical discs in the upcoming era. 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. When coupled with high-denition

video, Dolby TrueHD oers an unprecedented home theater experience

with stunning sound and high-denition picture.

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 748 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 “Dolby Digital (double-D symbol)-EX” symbol, 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 Pro Logic, 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 audio input can be congured relative to its format as follows

Stereo: If the detected audio is of Dolby stereo format, you can default

it to one of the following settings - Stereo, PLIIx Movie, PLIIx Music, PLIIx

Game, Neo:6 Cinema or Neo:6 Music.

Surround: If the detected audio is of DTS Surround format, you can

default it to one of the following settings - Stereo, PLIIx Movie, PLIIx

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

None: If “None” is selected, the DTS signal will be defaulted to the

“Stereo” or “Surround” settings set forth at the “PCM” option. See

discussion below about ‘PCM’.

NOTE

Please refer to the section “Listening Mode” at the Main Menu

discussions for a description of Stereo Downmix and DTS NEO:6

surround modes.

PCM

PCM (Pulse Code Modulation) is the digital representation of a standard

audio signal converted with little or no compression. If “None” is selected

for any of the Dolby or DTS settings, this “PCM” section will default the audio

signal as follows

Stereo: The detected stereo audio format will be congured into one

of the following options - PLIIx Movie, PLIIx Music, PLIIx Game, Neo:6

Cinema, Neo:6 Music EARS or Enhanced Stereo.

Surround: The detected surround audio format will be congured into

one of the following options - PLIIx Movie, PLIIx Music, Neo:6 Cinema,

Stereo or None.

ANALOG

If the audio input is an analog signal, the following are the surround modes

the input can be defaulted - Pro Logic, PLIIx Movie, PLIIx Music, NEO: 6

Cinema, NEO: 6 Music, EARS, Enhanced Stereo, Analog Bypass and None.

NOTE

All these Listening Modes for Dolby Digital, DTS, PCM and Analog

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”.

DOLBY SETUP

Under this menu, the Dolby Digital’s Dynamic Range Control can be

adjusted as well as the settings for Dolby Digital Pro Logic IIx Music.

Dyn Range Ctrl: You can select the eective dynamic range (subjective

range from soft to loud) for playback of Dolby Digital soundtracks. For

fully cinematic eect, always select “100”, the default. Settings of 75,

50 and 25% progressively reduce dynamic range, making soft sounds

comparatively louder while limiting the peak loudness of loud ones.

The 25 setting will yield the least dynamic range and is best for late-

night sessions or other times when you wish to retain maximum dialog

intelligibility while minimizing overall volume levels.

Dolby Pro Logic IIx Music: Please refer to the same description of

“PLIIx Music” under the “ADJUSTING LISTENING MODES” segment of the

“OPERATION - USING THE T 748 - MAIN MENU”.

OPERATION

USING THE T 748  SETUP MENU

ENGLISHPORTUGUÊS FRANÇAISESPAÑOLITALIANODEUTSCHNEDERLANDSSVENSKAРУССКИЙ

NAD T748v2 Seite 23

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