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Audio Channel:
Full Duplex- Select it for simultaneous communication in both direction between the
connected administrator and IP Camera. It means both parties can speak and be heard
at the same time.
Half Duplex- Select it for communication in both directions, but only one direction at a
time. It can’t receive signal until the transmission has been done. Therefore, once one
party speaks but can’t hear the voice and vice versa.
Talk Only- It narrows down to one way just for talking.
Listen Only- It narrow down to one way just for listing.
Audio Input:
Audio Input Gain- Select the microphone
input gain value you wish in the drop-down
menu, and based on your region to select the
proper codec and save all setting.
Audio Encoding-
g.711 u-law-- One codec for
“Computer Audio”, used in North America & Japan areas.
g.711 a-law-- Another codec for “Computer Audio”, used in Europe and the rest
for the world.
AMR-- An audio codec of the third generation communication for mobile phone,
while the option selected, your mobile phone will receive the audio files from IP
Camera. And you can choose the bit rate from 4.75k to 12.2k. However, the usage
of this codec will cause frame-rate decreasing.
Off-- Audio file won’t be transmitted by IP Camera.
Audio Output:
Audio Output Gain- Select the speaker output gain value you wish in the drop-down
menu and save it.
Note: The camera does not support echo cancelling, using the full duplex mode may cause
audio feedback.
