Concept Pro AIR4528-IP8M-Z Panduan Memulai Cepat - Halaman 6
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Halaman Cetak6. Optimising video for image quality & storage requirements
All Concept Pro cameras & recorders come with features designed to help balance the
need for high quality images and lower storage requirements. Selecting the proper settings
for each camera can help optimise your system and balance image quality with storage
requirements.
Constant Bit Rate
Constant Bit Rate (CBR) applies a specific bit rate for the video stream and the camera will
transmit at approximately this bit rate without regard to time, light level, scene complexity,
or other factors. As a result, the image quality will appear improved, but bandwidth and
storage requirements will be the high.
Variable Bit Rate
Variable Bit Rate (VBR) automatically adjusts the bit rate according the scene being
monitored. With VBR enabled, the image quality will decrease when there is less or no motion
occurring and increase when scene complexity increases. As a result, bandwidth and
storage requirements can be considerably reduced while the image quality will be focused
on scenes of actual importance.
Smart Storage Compression (SSC)
SSC on Concept Pro NVRs is designed to limit the camera bit rate according to the recording
FPS value. With Smart Storage Compression (SSC) set to ON, the system will automatically adjust
the max bit rate according to the record FPS setting. SSC therefore attempts to balance image
quality with recording frame rate for additional savings in bandwidth and storage.
H.265
H.265 is a new video compression codec that allows for more optimal compression of video
streams compared to the H.264 video codec. When combined with VBR, this can result in a
considerable reduction in bit rate compared to H.264 without a major trade off in image quality.
Note: Performance of bit rate control schemes and video compression codecs depends
upon the installation environment.
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