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Cambridge Audio Azur 751R V2 Manual

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751R V2azur
19
ENGLISH
Audyssey Dynamic EQ
®
Music, movies and games are typically mixed at fairly high volumes but
played back at more modest levels in a domestic setting.
Because the response of the human ear varies with level, the perceived
frequency response and surround eld in a domestic environment can at
various levels be altered from that actually intended.
Audyssey Dynamic EQ
®
attempts to solve this problem by taking into account
human perception, room acoustics and information from both incoming
source levels and actual output sound levels in the room.
Audyssey Dynamic EQ works in tandem with Audyssey 2EQ to vary the EQ
applied to the speakers in sympathy with the acoustic level to achieve a tonal
balance and surround impression that remain constant despite changes in
volume.
Advanced Audyssey Setup
Audyssey 2EQ :
Dynamic EQ :
Dynamic Vol. :
Dyn EQ Offset :
Return I/O
OFF
On
Off
0db
When Audyssey Dynamic EQ is turned on an option for Dynamic EQ offset
appears.
Movies are mixed in rooms calibrated for a standard lm reference.
Audyssey Dynamic EQ is referenced to this standard lm level and makes
adjustments to maintain the reference response and surround envelopment
relative to it.
However, the lm reference level is not always used in music or other non-
lm content.
To allow for this the Dynamic EQ Offset provides four settings that can be
selected , three for when the mix level of the content is not lm standard.
0 dB (Film Ref): This is the default setting and should be used when listening
to movies.
15 dB: For pop/rock music or other program material that is mixed at very
high listening levels or with a compressed dynamic range.
10 dB: For jazz or other music that has a wide dynamic range. This setting
should also be selected for TV content as that is usually mixed at 10 dB
below lm reference.
5 dB: For content that has a very wide dynamic range, such as classical
music.
Audyssey Dynamic Volume
®
Audyssey Dynamic Volume
®
attempts to solve the problem of large
variations in volume level between television programs, commercials, and
between the soft and loud passages of movies.
Dynamic Volume looks at the current volume setting and then monitors the
program material in real time, whenever necessary, Dynamic Volume makes
the necessary rapid or gradual adjustments to level maintain the desired
playback volume level.
The idea is that perceived bass response, tonal balance, surround
impression, and dialog clarity remain the same whether watching movies,
ipping between television channels, or changing from stereo to surround
sound content.
Audyssey Dynamic EQ is integrated into Dynamic Volume so turning on
Dynamic Volume also turns on Dynamic EQ.
Dynamic Volume has three settings (and Off)
Heavy: This has the narrowest dynamic range. If you want to watch an action
movie late at night and not wake up your family use Heavy.
Medium: This is the most common setting for daily television use in a living
room setting and works well to tame the volume increases of advertisements.
Light: This setting offers a wider dynamic range and can be used when
watching an action lm where you want a full dynamic experience but want
to make the dialog consistently audible.
Off: The full dynamic range is left untouched.
When the auto setup of the 751R V2 is completed successfully, the 751R
V2 displays a 'Measurement Complete' screen and then shows the Advanced
Audyssey Setup screen as per following section.
If you have just perfomed Audyssey autosetup & 2EQ you will see 2EQ is
enabled plus you can now enable Audyssey Dynamic EQ and/or Dynamic
Volume as well (if desired).
If you have just perfomed a simple Audyssey autosetup you will see 2EQ is
disabled (and cannot be enabled) but you can still enable Audyssey Dynamic
EQ and/or Dynamic Volume (if desired). See next section for full details.
To simply accept the settings by pressing the (I/O) button to exit the menu.
To accept the settings, simply press the (I/O) button and press again to exit
the menu.
The Speaker Distance crossover and Level Calibration settings for each
speaker will have been updated.
It is of course now possible to go into the Speaker Delay and Level
Calibration menus if you want to manually check/adjust the settings made
by the system, and it is always advisable to check them as no system can
be totally foolproof.
To exit the auto setup menu of the 751R V2 continue to press the OSD
button on the remote control to exit all menus or until 'OSD 'is no longer
displayed on the front panel. You can now unplug the microphone and put
it away for future use.
Notes:
– Some speakers such as bi-polars that radiate in more than one direction
can make it difcult for autosetup to accurately measure their level and
distance from the listening position.
– Active subwoofers with DSP have a small delay time built into their
electronics. Because the 751R V2 measures the total delay time including
any in-built delay it will still apply the correct amount of delay that when
added to the inbuilt delay gives the correct response. However the distance
reported in this case will be a little more than the physical measurement.
– If a subwoofer is present the autosetup treats most speakers as 'Small'
and sets a low crossover point (unless they genuinely have a bass
response lower than 40Hz).
This does not mean they are physically small it just means that the system
will automatically send the very low bass (only) from these channels to the
subwoofer for the best system response.
In all cases it is always advisable to manually check the settings autosetup
has made for a 'reality check' to ensure there are no obvious errors.
Advanced Audyssey
Further to Room EQ which can only be enabled if an Audyssey & 2EQ
procedure has been completed, it is possible to enable two extra Audyssey
features (which are by default disabled).
Select 'Advanced Setup' from the main OSD menu. Then select 'Advanced
Audyssey':
Advanced Setup Menus
Advanced Audio
Input Name Assign
Advanced Dolby/DTS
Advanced Audyssey
Trigger A
Trigger B
OSD Setup/SW Version
Return I/O
… 19 …


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