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Chapter 3 - Setting Defaults
3-44
Enhanced Video The MGC Manager can provide high quality video
(30 frames per second for incoming and outgoing
video streams) for line rates up to T1/ E1 in
Transcoding and Continuous Presence
conferences. This is done by allocating two video
codecs to the participant instead of one. One of
the video codecs is used for encoding, while the
other is used for decoding the incoming video
stream.
Select this check box to enable the high quality
video feature for the participant.
Note:
• To work with 30 frames per second the High
Frame Rate flag in the system.cfg must be
enabled.
• To work with bit rates higher than 768 Kbps,
the High Bit Rate flag in the system.cfg must
be enabled.
AGC The Auto Gain Control (AGC) is the system
default.
Clear this check box to disable the Auto Gain
Control (AGC) for the participant.
The Auto Gain Control mechanism regulates
noise and audio volume by keeping the received
signal to all participants balanced. Different
endpoints and phones produce different types of
source noise and volume. The Auto Gain Control
mechanism can be applied to all incoming audio
streams prior to mixing, thereby dynamically
changing the amplification of the input signal
providing a constant output amplitude.
Table 3-4: Participant Defaults - Settings2 parameters (Continued)
Option Description