1) Quick preset to mp3 results in no mp3 file;
2) Reencode with mencoder Audio Gain +9 results in no gain in audio;

Tried all sorts of permutations.

Still using 09t.

Recent process information:

Opening audio decoder: [mp3lib] MPEG layer-2, layer-3
AUDIO: 48000 Hz, 2 ch, s16be, 32.0 kbit/2.08% (ratio: 4000->192000)
Selected audio codec: [mp3] afm:mp3lib (mp3lib MPEG layer-2, layer-3)