Bernhard,

Thanks very much for the reply.  I'm pretty new to all this so trying to learn fast.

The video bitrate that I encoded at is 9800 kbps, the arguments I used are: 

mpeg2enc -v 0 -f 8 -F 3 -n p -a 1 -b 9800 -I 1 -r 16 -q 3 -Q 2
ppmtoy4m -v 0 -S 420_mpeg2 -L -I t -F 600:24 -A 4:5

These are basically as suggested at
http://thegoods.ath.cx/~hmason/sizzle/sizzle-howto.html

Should I just try dropping this bitrate down?  Forgive me if I'm wrong, but I
thought 9800 kbps was the best quality you could do for DVD and since I only had
30 mins of footage, thought there would be no problem in using this?

As far as the mplex bitrate, (-r arguement, muxbitrate) I've left this as the
default, i.e that it is calculated from the input.  I've just tried with this
set at 9800 and the mplex failed as before.  Should I try changing this to
another value?

I've had suggestions that my Vbv buffer size may not be big enough.  How do I go
about changing this?  I've had a look at
http://roguelife.org/~fujita/MJPEG/mplex.html, but am still not sure what option
alters the Vbv buffer size.

Many thanks for the advice so far,

Si.

Quoting Bernhard Praschinger <[EMAIL PROTECTED]>:

> HAllo
> 
> Bit-rate, correct :(
> 
> Seems like the bitrate video bitrate is to high for the given output
> data rate. 
> Or maybe you have specified the corredt bitrate but the encoder has
> "overshot" over the maximal alloed bitrate. 
> You can also try to encode with a lower video bitrate. 
> 
> Which options do you use for encoding the mpeg ?
> 
> Maybe you add there the -r 9800 (or something like that) 
> 
> auf hoffentlich bald,
> 
> Berni the Chaos of Woodquarter
> 
> Email: [EMAIL PROTECTED] [EMAIL PROTECTED]
> www: http://www.lysator.liu.se/~gz/bernhard
> 
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