Canon VB-C500D Operation Manual page 33

Setting the Image Size, Quality, Frame Rate, On-Screen Display of Date and Time, etc. (Video)
MPEG-4
(1) [Video Quality]
Select a desired quality from 1 to 5 (total 5 levels) for video transmitted in MPEG-4.
The greater the value, the higher the quality becomes.
(2) [Video size]
Select [320 x 240] or [640 x 480] for the size of video transmitted.
(3) [Capture Frame Rate]
Select [10], [15] or [30] (fps) as the capture frame rate.
Note
If a higher video size or quality is set, the data size per frame will increase and the network
load will increase.
JPEG : The frame rate may drop.
MPEG-4 : Video may be temporarily disrupted.
The data size may increase depending on the type or movement of the subject.
If the frame rate remains low or other undesirable condition continues for a long period,
lower the image size or quality setting.
Take note that if you are using the optional recording software VK-64/VK-16 or bundled
VK-Lite, the hard disk utilization will also be affected during recording.
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