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Figure 6-32 Advanced Parameters
6. Click OK to save the advanced sengs.
7. Click Apply.
6.5.2 Congure Recording Parameter
Steps
1. Go to Conguraon → Record → Parameter to congure camera main stream and sub-stream
parameters.
2. Congure recording parameters.
Main Stream
Main stream refers to the primary stream that aects data recorded to the hard disk drive
and will directly determine your video quality and image size. Comparing with the sub-
stream, the main stream provides a higher quality video with higher resoluon and frame
rate.
Sub-Stream
Sub-stream is a second codec that runs alongside the mainstream. It allows you to reduce the
outgoing internet bandwidth without sacricing your direct recording quality. Sub-stream is
oen exclusively used by smartphone applicaons to view live video. Users with limited
internet speeds may benet most from this seng.
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.
Resoluon
Image resoluon is a measure of how much detail a digital image can hold: the greater the
resoluon, the greater the level of detail. Resoluon can be specied as the number of pixel-
columns (width) by the number of pixel-rows (height), for example, 1024 × 768.
Bitrate
Network Video Recorder User Manual
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