Manual Cambridge Audio Azur 751R V2 (page 22 of 40) (English)

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A new Dolby matrix technology that delivers additional height channels

positioned above the front left and right speakers. Dolby Pro Logic IIz

identies spatial cues that occur naturally in most content plus ambient

sound and amorphous effects such as rain or wind and directs them to

additional front height speakers.

Movie and game producers can also mix specic additional height channels

into a 2ch, 5.1 or 7.1 soundtrack, which Dolby Pro Logic IIz will then decode

as a post process.

If it is desired to use Dolby Pro Logic IIz, you should set the 751R V2 to

5.1 + Height mode, connect two speakers to the SBL and SBR outputs and

physically position them above your left and right front speakers, then select

Dolby Pro Logic IIz post processing. See later section.

A DTS technology which is able to recreate 6 channel (Left Front, Right

Front, Centre, Left Surround, Right Surround, Surround Back ) surround

sound from suitable analogue matrix encoded stereo source material. DTS

Neo:6 material can be played back by normal Stereo equipment (as Stereo)

or decoded into 7.1 by sending the Surround Back decode to the both the

Surround Back Left and Right speakers (forming two mono Back Surrounds).

Note: Neo:6 does not include a Low Frequency Effects channel for the

Subwoofer, but the 751R V2 can create a Subwoofer output via Bass

management. Refer to the 'Tone/Sub/LFE conguration' section in the

'Operating instructions' part of this manual.

A DTS technology that provides 5.1 channels of 96kHz / 24bit audio (along

with video if required) on DVD-Video and DVD-Audio (video zone) discs (when

suitably encoded in DTS 96/24). DVD players which allow 'DTS digital out'

pass the DTS 96/24 bitstream over S/P DIF or HDMI for decoding in the

751R V2.

DSP modes

These modes allow a surround-sound experience from source material that

has no encoding at all. The surround sound effect is achieved by Digital

Signal Processing of the Analogue or Digital stereo source used. Two modes

are possible: Movie and Music.

Stereo/Stereo + Sub

Only the Front Left and Front Right speakers (and subwoofer if selected)

have output in this mode. If an analogue source is selected it will be

converted to digital via 24 bit A/D converters to allow digital domain sub

creation and bass/treble controls.

If a digital source is selected the 751R V2 will be processing either LPCM

stereo (from the digital outputs of a CD player for instance) or a Stereo

downmix of DD or DTS material (from the digital output of a DVD player for

instance).

Other modes

Analogue stereo direct

Selects the analogue inputs for the current source directly with no A/D

conversion, DSP processing, Bass/Treble or subwoofer channel active.

Provides the very best delity for analogue Hi-Fi source equipment. In this

mode the 751R V2 is acting just like a normal Hi-Fi integrated amplier.

Multi channel PCM

Some playback devices (in particular Blu-ray players) are able to decode

some of the above formats themselves internally and then output the

decoded audio as Multi Channel PCM to the 751R V2. In addition Blu-ray

disks can support native unencoded Multi Channel PCM soundtracks (of up

to 8 channels) on the disc itself. In either case if your player can output these

over HDMI the 751R V2 is able to receive them in Multi-Channel PCM mode.

Multi channel stereo

For Stereo inputs the 751R V2 can if required create a multi-channel stereo

presentation whereby the incoming Left and Right channels are output to

the Front Left/Surround Left/Surround Back Left and Front Right/Surround

Right/Surround Back Right channels respectively. The Centre is sent a L+R

signal and a mono-ised Subwoofer channel is also created.

Known also as DD (3/3) or DD 6.1, an enhanced form of Dolby Digital. On top

of the discretely encoded 5.1 channels DD EX provides an extra 6th channel

(Surround Back, giving 6.1) matrix encoded into the rear surrounds for

greater image depth and more solid sound localisation behind the listener.

DD EX requires a DD EX encoded disc. DD EX is backwards compatible with

DD 5.1 decoding. If DD EX is decoded as normal DD the Surround Back

signal will be present in both Left and Right Rear Surrounds (forming a

phantom rear centre). It can also be decoded as 7.1 by sending the Surround

Back decode to both the Surround Back Left and Right speakers (forming

two mono Back Surrounds).

Known also as DTS (3/3) Matrix, an enhanced form of DTS. On top of the

discretely encoded 5.1 channels DTS ES also provides an extra 6th channel

(Surround Back giving 6.1), matrix encoded into the rear surrounds for

greater image depth and more solid sound localisation behind the listener.

DTS ES requires a DTS ES encoded disc. DTS ES material is backwards

compatible with DTS 5.1 decoding. If DTS ES is decoded as normal DTS the

Surround Back signal will be present in both Left and Right Rear Surrounds

(forming a phantom rear centre). It can also be decoded as 7.1 by sending

the Surround Back decode to the both the Surround Back Left and Right

speakers (forming two mono Back Surrounds).

Another enhanced form of DTS, also known as DTS (3/3) Discrete or DTS

ES Discrete 6.1. DTS ES Discrete also provides an extra channel (Surround

Back) for greater image depth and more solid sound localisation behind

the listener, however in this case extra data is included in the bitstream so

that all channels are discretely encoded. The Surround Back has greater

separation from the other channels than is possible with matrix encoded

technologies. DTS-ES Discrete requires a DTS-ES Discrete encoded disc.

DTS ES Discrete is backwards compatible with both DTS 5.1 and DTS ES

Matrix 6.1 decoding. If DTS ES Discrete is decoded as normal DTS the

Surround Back signal will be present in both Left and Right Rear Surrounds

(forming a phantom rear centre). If DTS ES Discrete is decoded with DTS

ES Matrix the Surround Back signal will be decoded separately (i.e. as 6.1)

but by a matrix process, which will give the same channel separation as if

the source disc were actually DTS ES Matrix (but not as good as DTS EX

Discrete).

It can also be decoded as 7.1 by sending the Surround Back decode to

both the Surround Back Left and Right speakers (forming two mono Back

Surrounds).

The replacement for the original Dolby Pro Logic, Dolby Pro Logic II is a

technology where 5 channels (Front Left, Front Right, Centre, Surround

Left, Surround Right) are encoded into a Stereo mix by an analogue matrix

process. Dolby Pro Logic II material can be played back by normal Stereo

equipment (as Stereo) or decoded into 5 channel surround-sound.

Dolby Pro Logic II is compatible with the earlier 4 channel (Left, Centre,

Right and mono Surround) Dolby Pro Logic system (which was the decoding

counterpart to Dolby Surround encoding) as used widely on Video tapes, TV

broadcasts and earlier lms.

Note: Dolby Pro Logic does not include a Low Frequency Effects channel for

the Subwoofer, but the 751R V2 can create a Subwoofer output (for 5.1) via

Bass management. Refer to the 'Tone/Sub/LFE conguration' section in the

'Operating instructions' part of this manual.

A newer version of Dolby Pro Logic II which is able to recreate 7 discrete

surround sound channels from suitable encoded stereo source material.

Dolby Pro Logic IIx also has modes for post processing either Stereo material

or 5.1 material into 7 channels whether or not it has been Dolby Pro Logic

IIx encoded. When 5.1 decoding is required, Dolby Pro Logic II decoding will

always be used by the 751R V2 in place of Dolby Pro Logic IIx as IIx only

works for 7 channel output.

Note: Dolby Pro Logic IIx does not include a Low Frequency Effects channel

for the Subwoofer, but the 751R V2 can create a Subwoofer output (for 7.1)

via Bass management. Refer to the 'Tone/Sub/LFE conguration' section in

the 'Operating instructions' part of this manual.

Surround sound modes cont.

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Cambridge Audio Azur 751R V2 Manual

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