Bedienungsanleitung NAD M17 AV (Seite 24 von 38) (Englisch)

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DOLBY DIGITAL PLUS

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

denition programming and media. It combines the eciency to meet

future broadcast demands with the power and exibility to realize the full

audio potential expected in the upcoming high-denition era.

Dolby Digital Plus delivers multi-channel audio programs of up to 7.1

channels and supports multiple programs in a single encoded bit stream

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 output Dolby Digital bit stream 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 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 M17 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 DTS format, you can default it to one

of the following settings - NEO:6 Cinema, NEO:6 Music or None.

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

default it to one of the following settings - NEO:6 Cinema, NEO:6 Music,

Stereo Downmix 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 - Pro Logic, PLIIx Movie, PLIIx Music, NEO:6

Cinema, NEO:6 Music, EARS, Enhanced Stereo or None.

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

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

NEO:6 Cinema, Stereo Downmix 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 and None.

OPERATION

USING THE M17  SETUP MENU

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NAD M17 AV Seite 24

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