Cisco Cisco Unified MeetingPlace Audio Server メンテナンスマニュアル

The sound quality of MeetingPlace meetings depends on the type of telephone 
used, the type of telephone network called on, and the amount and type of 
ambient noise in the environment from which the call comes.

The following sections describe the sound quality that can be expected in 
various calling conditions.

Conference room acoustics

To improve acoustics in conference rooms, consider the following:

• Talk to an acoustic consultant.

• Invest in a high-performance acoustic echo canceler. Echo cancelers 

cancel acoustic echo signals.

• Modify conference room decor. For example, add acoustic tiling, 

window draperies, and flowers to reduce echo.

Room calibration 

Even if a room has been equipped for improved acoustics, operating 
conditions can change significantly from day to day. Room temperature, 
participant movement, and line connections can all change the acoustic 
performance of echo canceler gear.

We recommend performing room calibration before starting a conference 
call if the room has previously suffered from bad sound quality. Contact 
your MeetingPlace support representative for details.

Background noise

The meeting intelligibility and overall experience may be enhanced if a 
low background noise level is maintained. 

To prevent background noise from entering the meeting, participants can 
use the mute feature when they’re not speaking. To activate muting, 
participants press 

 on their touch-tone telephone. When they want to 

contribute to the meeting again, muting can be turned off by pressing 

 

again.

Varied line levels

For conferences in which attendees consistently complain about audio 
volume levels that are too high or too low, MeetingPlace can be adjusted to 
help line level mismatches. This problem may occur when rural locations 
are called and the overall conference audio level is very low. Conversely, 
loud connections can occur if a short-distance, all-digital connection is 
provided.

Your MeetingPlace support representative can remotely adjust the 
conference target levels that are too high or too low.

• If a headset user’s volume level is consistently low and is accompanied 

by elevated background noise, their headset amplifier module might 
need new batteries.

• If a headset user’s volume level is consistently loud and distorted, their 

headset microphone boom might be too close to their mouth. Move the 
microphone boom slightly away from the mouth to lower the volume to 
comfortable levels. This will also reduce or eliminate distortion.