Setting CBR in NVR is Invalid

2019-12-06 FAQ 181 views lufeijin

We did two experiments to test CBR IPC with and without IR function. 30 minutes each video.

 

Without IR function

Day: 237MB, Night: 192MB.


Setting CBR in NVR is Invalid Picture1


With IR function, Day: 232MB. Night: 292MB. 


Setting CBR in NVR is Invalid Picture2


Results:

1: the file size differences are made by IP camera not Mobile-DVR/NVR

 

2: the reason why in CBR mode, there is still files differences during day and night is that the bit rate control of the IP Camera has not been done accurately enough, this result is within the normal fluctuation range.

 

The only way to limit the file with the same size is to fixed code rate by IPC. 

FAQ DOWNLOAD

Setting CBR in NVR is Invalid Picture3Setting CBR in NVR is Invalid.docx


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