Amroad DB3100R, Manual

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Amroad Technology Inc. 32 33
DB3100R VIDEO DOOR PHONE
Streaming Settings – Audio
Item Description
Code Priority You may select the Audio streaming priority – G.711.
Scene Select Disable, Enable or User Define.
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 DB3100R will detect back-
ground noise and send silence packet to the other end if this feature is enabled. This allows called
party to hear better audio quality.
CNG You may enable or disable Comfortable-Noise-Generate function here. The DB3100R will generate
background noise when receiving silence packet from the other end if this feature is enabled. This al-
lows called party to hear better audio quality.
Speaker Volume This item allows you to select volume of speaker. There are 10 levels, 0 ~ 9.
Internal Alarm
Volume
Select “
High
” to turn Internal Alarm Volume Up, or select “
Low
” to turn Internal Alarm Volume
Down.
Save Click this button to save your setting.
Figure 24: Audio Setting