Bedienungsanleitung Cambridge Audio Azur 551R V2 (Seite 16 von 28) (Englisch)

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4. Source setup

The next step is to select each source input in turn on the 551R V2 and tell

the unit:

• The type of audio connection you want to use for that source (Analogue,

Digital or HDMI).

• The processing mode for that source.

The 551R V2 remembers these settings individually for every source input

and automatically recalls them as and when you change source input.

Audio connection type

Select the 'Audio In. Select' menu. Highlight each source in turn and select

either analogue, digital or HDMI input types (use the ◄ and ► arrows on

the remote control):

azur 551R

Video In. Select

Audio In. Select

Tone/Sub Config.

Speaker Config.

Speaker Distance

Speaker Level

Speaker Xover

Auto Setup

Advanced Setup

OSD Setup

BD/DVD

CD/Video1

Video2

Video3

Tape/MD/CDR

Aux/TV

7.1 Direct

Preamp Out

HDMI 1 out TV ARC

HDMI 1 out to TV

Back : [I/O]

Digital < >

HDMI < >

Digital < >

HDMI < >

Analog

Normal < >

Enabled < >

Disable < >

The options shown will be analogue, digital and HDMI if that source has been

assigned an HDMI input for video as above.

Analogue inputs will require a stereo phono/RCA to phono/RCA cable

connection to the 551R V2. Digital inputs will require either a 75ohm

digital type phono/RCA to phono/RCA co-axial cable (S/P DIF) or an optical

bre cable (TOSLINK). The 551R V2 will automatically use whichever is

connected. Do not make connections to both the Optical and Co-axial inputs

for a source.

Note: The Preamp output item at the bottom of this menu selects between

Normal mode (the default), Pre Out Mode (when external power amps are

used) and Ext 2 Ch Mode (where external power amps for front left and right

only are used). These options are covered later. Make sure this setting shows

Normal. TV-ARC is also covered in a later section.

Once you have set the audio types exit the OSD to save.

This setting can also be changed at any time without using the OSD by

pressing the Audio Input Type button on the front panel or remote, this will

then cycle between analogue, digital or HDMI input types where available

for the currently selected source, as usual they will then be remembered the

next time you return to that source.

Note:

– The Tape/MD/CDR source is audio only and cannot receive audio or video

from HDMI.

– The 7.1 source will only receive audio from the 7.1 Direct audio analogue

inputs.

The 551R V2 supports several music and home-cinema listening modes. The

output the 551R V2 can provide, depends both on the source signal present,

the speaker setup selected and the decode mode selected. Before we

describe how to operate the 551R V2, below is a brief guide to the Surround

Sound formats that the 551R V2 is compatible with for reference:

Dolby's lossless audio technology developed primarily for high capacity

Blu-ray discs/players. Dolby True HD delivers theoretically bit-for-bit sound

identical to the studio master by the use of 100% lossless encoding. Previous

formats such as Dolby Digital 5.1 or EX have used lossy encoding where

some data (that is theoretically less audible) is always lost in the encoding

process to reduce the storage capacity needed on the disc. This is a new

format that supports up to eight (usually used as 7.1) full-range channels

of 24-bit/96 kHz audio or two channels of 24/192 kHz via Blu-ray discs

and is not backwards compatible with earlier schemes. The format can

either be transmitted as a 'bitstream' to the 551R V2 for internal decoding

(recommended) or can be decoded by some Blu-ray players internally

and sent to the 551R V2 as multi-channel PCM. In both cases an HDMI

connection is required to the 551R V2 and a suitable Blu-ray player as Dolby

True HD is only ever transmitted over HDMI.

An encoding scheme based on the original Dolby Digital CODEC, but with

enhancements to improve coding efciency and improved audio quality.

Dolby Digital Plus supports 7.1 fully discrete channels compared to Dolby

Digitals 5.1 (or 6.1 in its EX variant where the 6th channel is matrix encoded).

These Dolby Digital Plus bitstreams are not backward compatible with legacy

Dolby Digital decoders but require an AV Receiver developed to decode

them (such as the 551R V2) and an HDMI connection as Dolby Digital Plus

is currently only transmitted over HDMI. It is however a requirement that

any Dolby Digital Plus enabled Blu-ray player must also be able transform

the Dolby Digital Plus into a backwards compatible Dolby Digital 5.1 output

for playback on legacy Dolby Digital systems. The 551R V2 is however fully

compatible with Dolby Digital Plus.

A new lossless audio CODEC from DTS, rather than being incompatible

with earlier versions, DTS-HD Master Audio is transmitted as an extension

to a normal DTS bitstream. A second embedded stream is sent which

contains the "difference" between the original studio master and the lossy

compressed DTS, plus the two extra channels. DTS-HD Master Audio

enabled devices (such as the 551R V2) are able to use this difference

information to recreate a bit for bit lossless version of the original 7.1 data.

Devices which do not support the Master Audio extension simply decode the

original 5.1 DTS stream and ignore the Master Audio extension providing

backwards compatibility.

DTS-HD High Resolution Audio

Known also as DTS-HR an extension to the original DTS audio format. DTS-

HD High Resolution Audio supports 7.1 fully discrete channels compared to

DTS's 5.1 (or 6.1 in its DTS ES Matrix or DTS ES Discrete variants). As with

DTS-HD Master Audio a second embedded stream is sent which contains the

"difference" between the original studio master and the lossy compressed

DTS, plus the two extra channels, however in this case the extra stream is

also formed by lossy compression. Effectively this is a 7.1 version of DTS

which can be decoded by devices (such as the 551R V2) which are able to

decode DTS-HD High Resolution Audio. Devices which do not support the

High Resolution extension simply decode the original 5.1 DTS stream and

ignore the High Resolution extension providing backwards compatibility

Known also as DD (3/2) or DD 5.1, provides (up to) 5.1 output from suitable

encoded Dolby Digital material, with 5 main channels (Front Left, Front Right,

Centre, Surround Left, Surround Right) and a Low Frequency Effects Channel

for the subwoofer, all discretely encoded. Decoding Dolby Digital requires a

Dolby Digital encoded DVD disc and a digital connection from the source

equipment (Such as a DVD player) to the 551R V2.

Note: Dolby Digital and DTS formats can sometimes carry less channels

than their maximum such as Dolby Digital (2/0) which means a Dolby Digital

encoded signal which is actually only carrying a two channel stereo signal

(other channels inactive).

Known also as DTS (3/2) or DTS 5.1, DTS provides (up to) 5.1 output from

suitable encoded DTS material, with 5 main channels (Front Left, Front Right,

Centre, Surround Left, Surround Right) and a Low Frequency Effects Channel

for the subwoofer, all discretely encoded. Decoding DTS requires a suitably

encoded DTS disc and a digital connection from the source equipment to

the 551R V2.

Surround sound modes

Cambridge Audio Azur 551R V2 Seite 16

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