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Hello John,

Some thoughts and hints about your tool:

- You can read the framerate of the avi.
  - Byte 32-35 (counting from 0) contains usec/Frame as doubleword
  - framerate is 1000000 / usec
  - round to three digits to get a "29.970" und "23.976" String
  (You can read also several other things, look for an avi file format
  description in the net.)

- There exists the OpenDML aka Avi 2.0 format. Look at the
  descriptions for OpenDML here:
  http://www-user.tu-chemnitz.de/~noe/Video-Zeug/AVIMux%20GUI/index.html
  avi2wav.exe cannot read audio data from such avi files! Maybe you
  can get the audio out of the avi with MS GraphEdit and an
  appropriate Filter file (you can find infos about GraphEdit in the
  net).

- Because of filesize limitations, you could cut the avi in several
  pieces before processing. This works with AVIMUXGUI (link above) and
  it's scripting feature.

Bye, Uwe.

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• Next message: Chris Holt: "RE: voice UI, step 1 committed (talking menus)"
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