[Theora] Snipping the beginning off Theora files

Aaron Whitehouse lists at whitehouse.org.nz
Sat Oct 29 19:56:21 PDT 2005

Hello all,

I'm sure that this must have been answered by someone in the past, but I
couldn't find it.

I have downloaded the Theora files of the 6uadec Gnome conference from:

While it is great that they have them available, most of them seem to
have a lot of video of empty room before the speaker starts (sometimes
20 minutes or so). I am wanting to give these to a couple of people and
so would like to snip that 20 minutes off and end up with
smaller/shorter files which are minus the guff. Is there are simple tool
with which I can do this?

Secondly; if Vorbis is poor at low quality levels and Xiph develops
Speex specifically for speech, why aren't the audio tracks of conference
speeches done in speex instead of Vorbis?? Is this because people are
more likely to have Vorbis support than speex at this stage?

Thanks in advance,


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