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#1
Encoding Speed
I have noticed that the encoding speed varies widely, while encoding from a DVD. So far I have experienced anywhere from 60 FPS to 279 FPS. This can not be due to disk condition or hardware/software in use, because with all of these being equal, the speed is quite different with each disk.
I suppose that it is possible that the type of encryption involved might be a factor, but I don't feel that it is. This leaves only one thing to come to mind...The encoding software that I'm using has settings for bit rate or file size, which varies with each disk, without me changing anything. I sort of understand the file size setting, but I'm quite unclear about bit rate.
Since the frame rate is a separate setting, which is never changed, obviously bit rate and frame rate do not relate to each other. This leaves the question of exactly what bit rate effects? Will changing the bit rate to a higher number cause the encoding to finish faster, or does that simply effect the amount of data within each frame, thus bearing on the image quality?