search for: 315mb

Hi I'm trying to use the sas7bdat package. It's working - I tried using it for a very small file and it worked very quickly and imported the data correctly. I then try it for a bigger file (315MB) and it takes quite a long time, more than 10 minutes and still not done. So I stopped it because from what I read, it shouldn't be taking this long. Should it take this long for a file this size? If not, any ideas on what might be wrong? The code I'm using is as follows: library(sas7bdat...

...ile.mpg Some 'data points': -a 1, for 44.1khz stereo .wav file, equates to ~64-72kbps -v 1, for 640x480 29.970fps video, equates to ~600kbps I've tested 'transcoding' a 13-minute-long, 368x480, 29.970 fps, 3750.0 kbps color mpeg2 video, 112kbps (?) audio file (Total file size ~315MB)from the Prelinger archives as described above, scaling to 640x480, with no problems. Synchronization seems fine throughout, and even at -v 1, the resulting video did not seem noticeably degraded from the original, though in fairness, the original in this case is a faded and grainy 1950's film...