Network Video Recorder User Manual
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rate.
Sub-Stream
Sub-stream is a second codec that runs alongside the mainstream. It allows you to reduce the
outgoing internet bandwidth without sacrificing your direct recording quality. Sub-stream is
often exclusively used by smartphone applications to view live video. Users with limited
internet speeds may benefit most from this setting.
Frame Rate
Frame rate refers to how many frames are captured each second. A higher frame rate is
advantageous when there is movement in the video stream, as it maintains image quality
throughout.
Resolution
Image resolution is a measure of how much detail a digital image can hold: the greater the
resolution, the greater the level of detail. Resolution can be specified as the number of pixel-
columns (width) by the number of pixel-rows (height), for example, 1024 × 768.
Bitrate
The bit rate (in Kbit/s or Mbit/s) is often referred to as speed, but actually defines the number
of bits/time unit and not distance/time unit.
Enable H.264+/Enable H.265+
The H.264+/H.265+ mode helps to ensure the high video quality with a lowered bitrate. It
can effectively reduce the need of bandwidth and HDD storage space.
Enable Low Bitrate Mode
In order to save device bandwidth or memory, the device would automatically adjust camera
video main stream bitrate according to your network condition.
Note
Low bitrate mode is only available for certain camera models. If your camera supports this
function, it would be enabled by default.
3. Click Apply.
6.5.3 Storage Device
Initialize HDD
If it is the first time you use your HDD, please initialize it after it is installed.
Before You Start
Install at least an HDD to your video recorder.
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