User's Manual

AD Plus2.0 User Manual
Page 39 of 66
8. Audio
Note: Separate audio recording is not supported.
Audio: Whether to record audio during video recording. You can select
Always Audio or No Audio.
1) Always Audio: The video is always accompanied by audio.
2) No Audio: The video is not accompanied by audio.
9. Alarm Quality: specifies the quality of alarm recording. The smaller the value,
the better the quality.
10. Encode Mode: VBR or CBR optional
11. Audio Coding Format: You can choose G711A, G711U, ADPCM, and G726,
and it's ADPCM by default.
2.7.2.3 Sub-Stream Setting
On this screen, you can set the sub stream video and audio recording parameters for
each channel.
Note: The sub stream video recording can be enabled only when the sub stream
video recording is selected in the recording mode, and a TF card is installed in the
second slot.
Choose Preferences > Surveillance > Record > Sub Stream, as shown in the
following figure: