D14636.13 Profile C60-C40 and Codec C60-C40 Administrator Guide TC7.0, DECEMBER 2013.
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Cisco TelePresence System Codec C40/C60 and Profiles using C40/60
Administrator Guide
Audio Input Microphone [1..2]/[1..4] EchoControl Mode
NOTE: Codec C40 has two microphone connectors. Codec C60 has four microphone
connectors.
The echo canceller continuously adjusts itself to the audio characteristics of the room and
compensate for any changes it detects in the audio environment. If the changes in the audio
conditions are very significant the echo canceller may take a second or two to re-adjust.
Requires user role:
ADMIN
Value space:
<Off/On>
Off:
Echo Control should be switched Off if external echo cancellation or playback
equipment is used.
On:
Echo Control is normally set to On to prevent the far end from hearing their own audio.
Once selected, echo cancellation is active at all times.
Example:
Audio Input Microphone 1 EchoControl Mode: On
Audio Input Microphone [1..2]/[1..4] EchoControl NoiseReduction
NOTE: Codec C40 has two microphone connectors. Codec C60 has four microphone
connectors.
The system has a built-in noise reduction which reduces constant background noise (for
example noise from air-conditioning systems, cooling fans etc.). In addition, a high pass filter
(Humfilter) reduces very low frequency noise. Requires the Echo Control Mode to be enabled
for the microphone.
Requires user role:
ADMIN
Value space:
<Off/On>
Off:
Turn off the Noise Reduction.
On:
The Noise Reduction should be enabled in the presence of low frequency noise.
Example:
Audio Input Microphone 1 EchoControl NoiseReduction: On
Audio Input Microphone [1..2]/[1..4] EchoControl Dereverberation
NOTE: Codec C40 has two microphone connectors. Codec C60 has four microphone
connectors.
The system has built-in signal processing to reduce the effect of room reverberation. Requires
the Echo Control Mode to be enabled for the microphone.
Requires user role:
ADMIN
Value space:
<Off/On>
Off:
Turn off the dereverberation.
On:
Turn on the dereverberation.
Example:
Audio Input Microphone 1 EchoControl Dereverberation: On
Audio Input Microphone [1..2]/[1..4] Equalizer ID
NOTE: Codec C40 has two microphone connectors. Codec C60 has four microphone
connectors.
Select the audio input microphone equalizer ID.
Requires user role:
ADMIN
Value space:
<1..8>
Range:
Select Equalizer ID 1 to 8.
Example:
Audio Input Microphone 1 Equalizer ID: 1
Audio Input Microphone [1..2]/[1..4] Equalizer Mode
NOTE: Codec C40 has two microphone connectors. Codec C60 has four microphone
connectors.
Set the audio input microphone equalizer mode.
Requires user role:
ADMIN
Value space:
<Off/On>
Off:
No equalizer.
On:
Enable the equalizer for the audio input microphone.
Example:
Audio Input Microphone 1 Equalizer Mode: Off
Contents
Introduction
Web interface
System settings
Setting passwords
Appendices
System settings
