Audio capture

Audio capture

Dov Grobgeld dov.grobgeld at gmail.com
Fri Jan 13 12:00:27 IST 2012


I decided to use this rainy Friday morning to finally convert some old
videos to digital format. Here's a short checklist of what I managed and
failed to do:

   - Managed to see video and hear video through my video capture and
   sound-cards. Video is composite, and audio is connected to Line-In.
   - Managed to record the video without sound with mencoder.
   - Managed to record audio from the video with audacity.
   - Noted that audacity has seval inputs refered to the same hw.x.y
   device. E.g. It has
   - hw0,0: Mic
      - hw0,0: Front-Mic
      - hw0,0: Line:0
      - etc
   - Noted that mencoder only has a single option for specifying the Alsa
   device, e.g. adevice=hw,0.0

And here I got stuck, because I couldn't figure out how to tell mencoder to
record fromLine: 0 and not from the Mic.

I had just as little luck with ffmpeg.

Does anyone have any idea of what parameter I'm missing?

Thanks!

Dov
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