MENu ADDRESS
SETTINGS DESCRIPTION
INFORMATION
PRODuCT
Control Panel >
Audio >
STEREO SETTINGS
STEREO I/O MODE
ON:
If Stereo I/O Mode is On the Audio Input 5 and 6 and Audio Output 2 and 3 will behave as a stereo
input/output pair (VCR-left and right). The VCR Ducking and AGC setting for Audio Input 6 will in this
case apply to both Audio Input 5 and 6. The Audio Out 2 (VCR-left stereo channel) will be a mix of
the microphones and the far end left channel. Audio Out 3 (VCR-right stereo channel) will be a mix
of the microphones and the far end right channel.
NOTE:
If stereo speakers are set to On in analog mode, they will provide a different scheme. See the
Interfaces
in the
Peripheral Equipment
section for more information on this topic for your product.
OFF:
If Stereo I/O Mode is Off the Audio Out 2 will be a mix of Audio Input 6, microphones and the far
end (the received far end signal is either mono or stereo that is blended into mono in the near end
codec). Audio Out 3 will be a mix of Audio Input 5, microphones and the far end. Note that stereo
speakers set to On in analog mode will provide a different scheme.
•
If the Out1 Mode is set to Analog mode and the Stereo Speaker is set to On, this will provide a stereo
loudspeaker signal on Audio out 2 and 3.
•
If the Out1 Mode is set to SPDIF mode you are able to receive stereo through Audio Out 1
independent of the Stereo I/O Mode setting.
•
When both Stereo I/O Mode and Stereo Speakers is set to Off, the output response will be a mono
loudspeaker signal on Audio Out 1, AUX on Audio Out 2 and VCR on Audio Out 3 regardless on the
Audio Out 1 Mode setting.
Digital NAM
(Digital Natural Audio Module)
If the system is connected to a Digital NAM, the stereo sound
on the loudspeakers will be present if a stereo input signal is
connected to the inputs VCR-Left and VCR-Right, or a stereo
signal is received from the Far End.
If the system is not connected to a Digital NAM, stereo sound
on the loudspeaker outputs will be present in the following
situations:
If the system is idle and a stereo input signal is connected to
the inputs VCR-Left and VCR-Right.
If the system is in a call with the microphone off and a stereo
input signal is connected to the inputs VCR-Left and VCR-
Right, or a stereo signal is received from the Far End.
Otherwise the Loudspeaker Left signal will be equal to
Loudspeaker Right.
SPDIF - Sony/Philips Digital Interface
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Control Panel >
Audio >
STEREO SETTINGS
STEREO SPEAkERS
ON:
Set the Stereo Speakers to On to enable stereo output signal to the loudspeaker.
OFF:
Set the Stereo Speakers to Off to disable stereo output signal to the loudspeaker.
When both Stereo I/O Mode and Stereo Speakers is set to Off, the output response will be a mono
loudspeaker signal on Audio Out 1, AUX on Audio Out 2 and VCR on Audio Out 3 regardless on the
Audio Out 1 Mode setting.
See the
Interfaces
in the
Peripheral Equipment
section for
more information on this topic for your product.
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Control Panel >
Audio >
AUDIO LEVELING
AuDIO LEVELING (AGC)
NOTE!
According to TIA-968-B FCC Part 68, AGC must not be disabled when this product is used in the
U.S and Canada.
The AGC (Automatic Gain Control) controls the audio level from MICs, AUX, VCR and Received Audio
so that strong signals are attenuated and weak signals are amplified. This makes it easier to hear all
participants in a conference.
ON:
Set Audio Leveling On to allow automatic adjustments (Automatic Gain Control) of the audio levels
from Mics, AUX, VCR and Received Audio.
When On, the AGC maintains the audio signal level at a fixed value by attenuating strong signals and
amplifying weak signals. Very weak signals, i.e. noise alone, will not be amplified.
OFF:
Audio Leveling is not activated.
When applying a weak signal in the presence of strong background noise, the AGC might amplify the
background noise as well as the signal. Therefore, in noisy environments, it is advisable to turn the
AGC off.
In most conferences, the participants will speak at different
levels, and be at different distances from the microphones.
As a result, some of the participants will be harder to hear
than others.
The AGC (Automatic Gain Control) corrects this problem
by automatically increasing the microphone levels when
“quiet” or “distant” people speak, and by decreasing the
microphone levels when “louder” people speak.
TIP!
To ensure correct behavior of the AGC (Automatic Gain
Control), it is crucial that the levels on the input connectors
are adjusted correctly using the audio input level settings.
The AGC will not compensate for severe maladjustment of
input levels.
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61
Cisco TelePresence MXP Series
Administrator guide
D14791.01 MXP Series Administrator Guide F90, August
2011.
Copyright © 2010-2011 Cisco Systems, Inc. All rights reserved.
www.cisco.com
Contents
Contact us
Introduction
The menu structure
The settings library
Getting started
Appendices
The settings library
