View Full Version : Minimum rate needed for Video over IP
03-13-2005, 11:31 AM
What is the minimum speed or isp connection needed to transfer video signal.
03-13-2005, 08:42 PM
Right I don't know about specific pieces of software but about 9 megaBYTES(72 megabits per second) per second should in theory would handle the following
15 frames per second
Thats based on the following calculations:
1 byte can take a number of a number of upto 255
2 bytes can handle a number upto 65025 (255x255 = 65025)
That makes 1 16 bit pixel in 2 bytes
Then 640x480 = 307200
307200 x 2 = 614400 bytes (thats one image)
307200/1024 (1024 (NOT 1000) been the number of bytes in a kilobyte) = 600KB
So one frame is technically 600kb, although in reality it will be a few bytes bigger.
600kb x 15 = 9000 kilobytes perr second.
Divide that by 1024 to convert to megabytes = 8.78906
That how many megaBYTES per second the data transfer is without extra's like packet headers and possible something to say where an image starts and ends....
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