Amroad DP100-25, Руководство пользователя

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DP100-25 VIDEO DOOR PHONE
27
Amroad Technology Inc.
Phone Settings – Audio
ITEM Description
Code Priority
You may select the Audio streaming
priority –
G.711
.
You may select the AEC (Acoustic
Echo Control) scene according the
environment of the installed location.
Select “Disable”, ”Default” or “User
Define”.
Scene
When “
User Define
” is selected, the following two items appears:
Noise Threshold (db):
Default: -40. The voice intensity that is lower than the value (-40db)
will be neglected. (Acceptable value -40~-52)
Target Level (db):
Default: -23 The voice intensity that is around normal intensity will be
processed to be the value (-23db). (Acceptable value
-20~-32)
VAD
You may enable or disable
Voice-Active-Detection
function here. The DP100-25 will detect
background noise and send silence packet to the other end if this feature is enabled. This
allows called parties hear better audio quality.
CNG
You may enable or disable
Comfortable-Noise-Generate
function here. The DP100-25 will
generate background noise when receiving silence packet from the other end if this feature is
enabled. This allows called parties hear better audio quality.
Speaker
Volume
This item allows you to select volume of speaker. There are 10 levels, 0 ~ 9.
Save
Click this button to save your setting.
Figure 22: Audio Setting