alt.sci.physics.acoustics

Praxis is the predessor of LAUD, which was a PITA to understand
itself :-)
LAUD was a mlssa like measurement system based on f.e a turtle beach
sound card.
I still own one,but didn't use it much as it is noisy and crashes a
lot. It doesn't do room acoustics like mlssa.

Some guys I know that used praxis where not very impressed by the ease
of use. Read on the site the issues with sound cards and windows
mixers.

By the way: Easera doesn't work on Vista machines. :-)