Investigate corruption of MPEG-1 videos when played from DVD using
xine(-lib).

Investigate PS2 audio problems.

Change menu highlighting to improve contrast.

Integrate the remaining session videos when they are available.

Improve audio quality
- Normalise volume.  There's a fair amount of variation between talks.
- Filter out high-pitched noise (feedback?) from some of the talks.

Test dual-layer discs.

Add chapter marks?

Recut some videos that start too early or end too late
- Last few seconds of 2005-07-09/08
- First few seconds of 2005-07-11/01
- ...

Change title font to match Debconf logo better.  (It uses ITC Officina
sans and serif fonts, which are non-free.)
