Non-Visible Panic Alarm Station Configuration Guide
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video contains sound and images. If you don't need sound, choose Video Stream.
Bitrate Type
The bitrate type can be set as Constant or Variable. By default, it is Constant, where you should
select a constant value from the Bitrate drop-down box. You are supposed to select the
maximum bitrate when the bitrate type is set as Variable.
Video Quality
You are able to choose different level of the video quality. The video quality is not optional by
default when the bitrate type is Constant.
Resolution
According to the requirements for video clarity, the higher the resolution, the higher the
bandwidth requirement for the network.
Frame Rate
Video frames per second. According to the actual bandwidth setting, the higher the video frame
rate, the higher the required bandwidth and the higher the required storage space.
I Frame Interval
The number of frames between the two key frames before and after. The larger the I frame
interval is, the smaller the code stream fluctuation is, but the image quality is relatively poor.
Otherwise, the code stream fluctuation is larger and the image quality is higher. It is
recommended to use the default value.
Audio Encoding Type
When the stream type is the Main Stream, the audio encoding type can be set as G711_U, AAC
or PCM. And the audio encoding type of the sub stream is the same as the audio encoding type
set in the main stream.
Video Encoding Type
By default, it is STD_H264.
SVC
It is a scalable video coding technology. The SVC function can be used for framed video
recording to reduce storage space. The framed video file still supports normal decoding. When
the SVC function is selected to be On, both the storage device and the decoding device must be
required to support the function. When the SVC function is selected as Auto, the device will
adapt to the current network environment and decide whether to send framed video to ensure
that the image can be previewed normally.
File Size
According to the video and audio parameters, the video file size of the whole day will be
automatically calculated.
Note
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After the video and audio parameters are changed, the device won't reboot.
