Denwa Communications DW-820, User Manual

Page: 121 / 137

silence occur and inserts artificial noise until voice
activity resumes. The insertion of artificial noise gives
the illusion of a constant transmission stream, so that
background sound is consistent throughout the call and
the listener does not think the line has released.
Mic Volume To configure Microphone volume for handset mode.
Automatical Generation
Control
DW-820 will auto adjust amplification circuit gain via signal.

Automatic Gain Control(Sending-side): Disabled by
default.

Automatic Gain Control(Receiving-side): Disabled by
default.

Automatic Gain Control Target: Range from 1 to 20 dB.
3dB by default.
NetEQ
Filter forgetting factor base: Range from 0~255. 250 by default.
8.8 Phone->Video
Sections Description
Media Feedback

NACK: Enabled by default.

Tmmbr: Send the maximum temporary rate request.
Disabled by default.
H264 Settings To setup conrrespnding H264 video parameters.

H264 Profile: There are 4 modes-Base
、
Main
、
High
、
Extend profile. Different profiles makes different coding
fuction and video quality.