9BChapter 10: Camera setup
TruVision NVR 70 User Manual
53
Parameter
Descriptions
3.
Stream Type
Specifies the stream type you wish to record.
Select Video Stream to record video stream only. Select Video&Audio to record both
video and audio streams.
Note
: Video&Audio is only available for those camera models that support audio.
4.
Resolution
Specifies the recording resolution. A higher image resolution provides a higher image
quality but also requires a higher bit rate. The resolution options listed depend on the
type of camera and on whether main or sub stream is being used.
Note
: Resolutions can vary depending on the camera model.
5.
Bitrate Type
Specifies whether variable or fixed bit rate is used. Variable produces higher quality
results suitable for video downloads and streaming. Default is Constant.
6.
Video Quality
Specifies the quality level of the image. It can be set when variable bit rate is selected.
Options include: Lowest, Lower, Medium, Higher and Highest.
7.
Frame Rate
Specifies the frame rate for the selected resolution.
The frame rate is the number of video frames that are shown or sent per second.
Note
: The maximum frame rate depends on the camera model and selected
resolution. Please check the camera specifications in its datasheet.
8.
Max. Bitrate Mode
If “General” is selected, a list of predefined bit rates is displayed. If “Custom” is
selected, any bit rate can be entered.
9.
Max bit rate
Specifies the maximum allowed bit rate. A high image resolution requires that a high
bit rate must also be selected.
To configure recording settings:
1. From the menu toolbar, click
Configuration
>
Remote Configuration
>
Camera Setup
>
Camera Recording Settings
.
2. Select the camera you want to configure.
3. Select one of the stream record modes: Mainstream (TL-Hi) (default), Mainstream (TL-Lo),
Mainstream (Event), Mainstream (Alarm), or Substream.
4. Configure the following recording settings for the selected record stream mode and camera
(options available depend on the camera model):
•
Stream Type
: Select the type of stream to record, either video or video and audio.
•
Resolution
: Select the resolution of the recording.
•
Bitrate Type
: Select Variable (default) or Constant. If “Variable” is selected, the bandwidth
can vary depending on video quality and the bandwidth required. If “Constant” is selected
the video streaming is always at the maximum bit rate selected.
•
Video Quality
: Select the quality at which to record. If “Constant” is selected as the bit rate
type, this option is unavailable.
If a low video quality is selected, the image quality is poorer and the bandwidth required is
reduced thereby allowing recording over a longer period of time.
•
Frame Rate
: Select the recording frame rate.
•
Max. Bitrate Mode
: Select the general (Default) or customized option.
