AddonChat now supports both WAV and AU formatted audio files.

Your Java™ chat room can be very picky about what audio files it will play. Presently, Java™ applets can only play stnadard WAV files and SUN 8-bit ULAW encoded .AU files. 

It is very easy to convert other file formats to Java™ compatible .WAV or .AU files. We strongly recommend using the GoldWave Digital Audio Editor to convert audio files. When saving your file using GoldWave in AU format, select "Sun (*.au)" as the type of file to save to, and ensure that "Java/Web, mono" is selected under File Attributes.