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How to prevent dropped frames!
I am a user of VirtualDub, and I've noticed that my "dubbed" avi files drop lots of frames during playback - the raw material does not show any drops!
The cause of this is the default setting of the audio interleave in VirtualDub(1 frame), which means that before each frame of video comes 1 frame of audio that contains 1/25 second of audio (PAL) or 1/30 second (NTSC).
If you alter this setting to "500 ms", no more frames are dropped- the avi files become less "sensitive" because a larger amount of audio is buffered because playback starts. This same value of 500 ms is the default capture setting of AVI_IO, by the way.
The cause of this is the default setting of the audio interleave in VirtualDub(1 frame), which means that before each frame of video comes 1 frame of audio that contains 1/25 second of audio (PAL) or 1/30 second (NTSC).
If you alter this setting to "500 ms", no more frames are dropped- the avi files become less "sensitive" because a larger amount of audio is buffered because playback starts. This same value of 500 ms is the default capture setting of AVI_IO, by the way.