Uniview IPC675LFW-AX4DUPKC-VG 5MP Outdoor Mini PTZ Active Deterrence Network Camera with Night Vision - Manual (Page 43)

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5.3.3 Audio
1. Audio
Go to Setup > Video & Audio > Audio .
Set audio input parameters.
Item Description
Audio Input
Enable/disable audio input.
NOTE!
If audio data is not required, select Off to improve camera performance.
Access Mode
Select the audio input mode, including Line/Mic and RS485 .
NOTE!
This function is not available on dual-channel cameras.
Input Volume Set the input volume using the slider.
Audio
Compression
Select the audio compression format, including G.711U and G.711A .
Sampling
Rate(KHz)
Set the sampling rate according to your required audio compression.
In G.711A or G.711U format, only 8KHz is available.
Noise
Suppression
Reduce noise in audio to improve audio output quality.
NOTE!
This function is enabled by default.
Channel
1/Channel 2
Select the Enable check box to enable audio input for the channel. Channel 1 and Channel 2 (if
available) cannot be enabled simultaneously.
The default audio input mode of Channel 1 is Mic. You can change it to Line.
Set audio output parameters.
Item Description
Audio Output Select the audio output mode, including Line and Speaker .