Blender 2.49b: No Audio in VSE with Ubuntu 10.4 LTS (Lucid)

Setup:

Ubuntu 10.4 LTS
Blender 2.49b (from distribution or blender.org)

Issue:

Audio files in the Video Editor Sequencer, can't be played.

Solution:

Open Terminal screen,and type: 

sudo gedit  /etc/environment  

Add at the end of the file the following line: 

SDL_AUDIODRIVER=pulse

Save the file and restart computer.