User Manual

Frame Rate
The frame rate is to describe the frequency at which the video stream is updated and it is
measured by frames per second (fps).
A higher frame rate is advantageous when there is movement in the video stream, as it maintains
image quality throughout. Note that higher frame rate requires higher bandwidth and larger
storage space.
Video Encoding
It stands for the compression standard the device adopts for video encoding.
Note
Available compression standards vary according to device models.
H.264
H.264, also known as MPEG-4 Part 10, Advanced Video Coding, is a compression standard. Without
compressing image quality, it increases compression rao and reduces the size of video le than
MJPEG or MPEG-4 Part 2.
H.264+
H.264+ is an improved compression coding technology based on H.264. By enabling H.264+, you
can
esmate the HDD consumpon by its maximum average bitrate. Compared to H.264, H.264+
reduces storage by up to 50% with the same maximum bitrate in most scenes.
When H.264+ is enabled, Max. Average Bitrate is
congurable. The device gives a recommended
max. average bitrate by default. You can adjust the parameter to a higher value if the video quality
is less
sasfactory. Max. average bitrate should not be higher than max. bitrate.
Note
When H.264+ is enabled, Video Quality, I Frame Interval, Prole, SVC, Main Stream Smoothing
and ROI are not supported.
H.265
H.265, also known as High Eciency Video Coding (HEVC) and MPEG-H Part 2, is a compression
standard. In comparison to H.264, it
oers beer video compression at the same resoluon, frame
rate and image quality.
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