Bedienungsanleitung Cambridge Audio Azur 351R (Seite 15 von 22) (Englisch)

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3. Source setup

The next step is to select each source input in turn on the 351R 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 351R remembers these settings individually for every source input and

automatically recalls them as and when you change source input.

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

either analogue, digital or HDMI input types (use the  and  arrows):

Each source always has a dedicated HDMI input and a dedicated pair of

Analogue Stereo sockets associated with it on the back panel.

In addition, there are two S/P DIF (Co-Axial) and one toslink (Optical) digital

inputs available that can be freely assigned to any source.

For each source, pressing the Audio Input Type button thus scrolls through the

following options: HDMI, Analogue, Co-Ax1, Co-Ax2 and Opt.

HDMI and Analogue refer to the dedicated sockets for that source, Co-Ax1,

Co-Ax2 and Opt refer to the three assignable sockets that any source can

select.

These digital inputs should only be selected (assigned) to one source each.

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

connection to the 351R. 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).

Note: HDMI TV ARC is covered in a later section of this manual.

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.

azur 351R

Audio In. Select

Tone/Sub Config.

Speaker Config.

Speaker Distance

Speaker Level

Speaker Xover

Auto Setup

Dolby/DTS Setup

OSD Setup

BD/DVD

Video

Aux

HDMI TV ARC

Quit : [I/O] Enter : [ENTER]

HDMI <>

Analog <>

Enabled <>

Surround sound modes

The 351R supports several music and home-cinema listening modes. The

output the 351R 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 351R, below is a brief guide to the Surround Sound

formats that the 351R 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 5.1 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 351R

for internal decoding (recommended) or can be decoded by some Blu-ray

players internally and sent to the 351R as multi-channel PCM. In both cases

an HDMI connection is required to the 351R 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.

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 351R) 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 351R 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. DTS-HD Master Audio enabled devices (such as the 351R) are able to

use this difference information to recreate a bit for bit lossless version of

the original 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 fully discrete channels compared to DTS's

5.1. 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, however in this case the extra stream is also formed by

lossy compression.

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 351R.

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 351R.

Cambridge Audio Azur 351R Seite 15

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