why is my AVI doing this?

[norcal_105]

for some reason my avi started doing some thing wierd. i click mxavi it takes me into the game and i record what i need but V.AVI or video i shot wont open and its only 2KB. and i see a new file called a-stereo 88320 and its a UB file. and that is usually 5-8=MB's. but that wont open either. can anyone help with this? thanks!

[norcal_105]

And here is what my batch files look like.

Join AVI:
sox -t ub -r 88320 -c 2 a-stereo-88320.ub -r 44100 -s -w a.wav

lavaddwav v.avi a.wav movie.avi

del v.avi a-stereo-88320.ub a.wav


MX AVI:


path %PATH%;C:\Program Files (x86)\MX Simulator

mx --record-audio a-stereo-88320.ub --record-video --lock-fps 30 --width 640 --height 480 | ppmtoy4m -F 30:1 -S 420jpeg | yuv2lav -o v.avi -f a