D15329.08 SX20 Administrator Guide CE9.2, NOVEMBER 2017. www.cisco.com — Copyright © 2017 Cisco Systems, Inc. All rights reserved.
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Cisco TelePresence SX20 Quick Set Administrator Guide
Audio Input Line [1] VideoAssociation VideoInputSource
The audio source can be associated with a video source on the video input connector.
Requires user role: ADMIN, INTEGRATOR
Default value: 2
Value space: 1/2
Select the video input connector to associate the audio source with.
Audio Input Microphone [1..2] EchoControl Mode
The echo canceller continuously adjusts itself to the audio characteristics of the room, and
compensates for any changes it detects in the audio environment. If the changes in the
audio conditions are significant, the echo canceller may take a second or two to re-adjust.
Requires user role: ADMIN, INTEGRATOR
Default value: On
Value space: Off/On
Off: Turn off the echo control. Recommended if external echo cancellation or playback
equipment is used.
On: Turn on the echo control. Recommended, in general, to prevent the far end from
hearing their own audio. Once selected, echo cancellation is active at all times.
Audio Input Microphone [1..2] EchoControl NoiseReduction
The system has built-in noise reduction, which reduces stationary background noise, for
example noise from air-conditioning systems, cooling fans etc. In addition, a high pass filter
(Humfilter) reduces very low frequency noise. Noise reduction requires that Audio Input
Microphone [n] EchoControl Mode is enabled.
Requires user role: ADMIN, INTEGRATOR
Default value: On
Value space: Off/On
Off: Turn off the noise reduction.
On: Turn on the noise reduction. Recommended in the presence of low frequency noise.
Audio Input Microphone [1..2] EchoControl Dereverberation
The system has built-in signal processing to reduce the effect of room reverberation.
Dereverberation requires that Audio Input Microphone [n] EchoControl Mode is enabled.
Requires user role: ADMIN, INTEGRATOR
Default value: Off
Value space: Off/On
Off: Turn off the dereverberation.
On: Turn on the dereverberation.
Audio Input Microphone [1..2] Level
Define the audio level of the Microphone input connector. Minimum: 0 (-18 dBu), Maximum:
26 (-44 dBu).
Requires user role: ADMIN, INTEGRATOR
Default value: 14
Value space: Integer (0..24)
Select a value between 0 and 24, in steps of 1 dB.
Audio Input Microphone [1..2] Mode
Disable or enable audio on the microphone connector.
Requires user role: ADMIN, INTEGRATOR
Default value: On
Value space: Off/On
Off: Disable the audio input microphone connector.
On: Enable the audio input microphone connector.
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