User Manual
Table Of Contents
- Chapter 1 System Requirement
 - Chapter 2 Network Connection
 - Chapter 3 Access to the Network Camera
 - Chapter 4 Live View
 - Chapter 5 Network Camera Configuration
 - Chapter 6 Network Settings
 - Chapter 7 Video/Audio Settings
 - Chapter 8 Image Settings
 - Chapter 9 Event Settings
 - Chapter 10 Storage Settings
 - Chapter 11 Playback
 - Chapter 12 Picture
 - Appendix
 
Thermal & Optical Bi-spectrum Network Bullet / Turret Camera User Manual 
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display page for camera functions. 
7.2  Configuring Audio Settings 
Steps: 
1.  Enter the Audio Settings interface: Configuration > Video/Audio > Audio.   
Figure 7-2 Audio Settings 
2.  Configure the following settings.   
Note: Audio settings vary according to different camera models. 
Audio  Encoding:  G.722.1,  G.711  ulaw,  G.711alaw,  G.726,  MP2L2  and  PCM  are 
selectable.  For  MP2L2,  the  Sampling  Rate  and  Audio  Stream  Bitrate  are 
configurable. For PCM, the Sampling Rate can be set. 
Audio Input: MicIn and LineIn are selectable for the connected microphone and 
pickup respectively. 
Input Volume: 0-100 adjustable. 
Environmental Noise Filter: Set it as OFF or ON. When the function is enabled, 
the noise in the environment can be filtered to some extent. 
3.  Click Save to save the settings. 
7.3  Configuring ROI Encoding 
Purpose: 
ROI  (Region  of  Interest)  encoding  helps  to  discriminate  the  ROI  and  background 










