NETAVIS Observer 4.6 User Manual (October 2015)
Page 10 of 204
1.4.5 JPEG image sizes and storage requirements
The image (recording) quality and image size affects the required storage per image (frame). Likewise
does the frame rate impact the recording storage and also the network bandwidth.
Observer supports all image sizes that a camera offers. The following are some
values for typical
JPEG images
:
JPEG Image size
Image quality
Storage per image
approximately
Small
176x144 QCIF PAL
176x120 QCIF NTSC
160x120 QQVGA
Low
3 KB
Medium
5 KB
High
8 KB
Medium
352x288 CIF PAL
352x240 CIF NTSC
320x240 QVGA
Low
8 KB
Medium
13 KB
High
20 KB
Large
*
704x576 4CIF PAL
704x480 4CIF NTSC
640x480 VGA
Low
20 KB
Medium
34 KB
High
52 KB
* For mega-pixel cameras the image size will be much bigger than shown in the table.