On Sun, 22 Aug 2004, Anne Wilson wrote:
> So, if I'd used -f 8 I didn't need a -b setting at all?
Close, but not quite.
If you specify '-b' to mpeg2enc then it is likely that you'll also
need to specify '-r' to mplex and take into account the audio plus
overhead.
As was mentioned earlier you probably want to be using '-f 8' anyhow
if the end result is going to be a DVD disc.
> OK, I tried that, but the sound is still hopelessly wrong. In the avi it
> played with just one small hicough near the beginning, but otherwise
> faultlessly. This is coughing and spluttering all over the place! Any ideas?
If you're using MPlayer to play the output of mplex then it is possible
that you're encountering the probley with the default MP2/3 audio
decoding. Some versions of gcc miscompile part of mplayer and the
symptom is corrupted audio playback. The workaround is to use
'-ac mad' (assuming you've built mplayer with the libmad routines
from http://www.underbit.com/products/mad/
Hmmm, does the .wav file play correctly and is it at a 48000 sampling
rate (which is required for DVD)? I think mp2enc will automatically
downsample to 44100 unless told otherwise - and 44100 is not valid
for a DVD.
That's the only thing I can think of at the moment.
Cheers,
Steven Schultz
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