Hi Larry,

>Is there a way to compress / uncompress .wav files on-the-fly?
>Better yet, is there another audio format that I can use with the MMControl ActiveX control?

You could unzip/zip then into compressed archives at run-time. You easily could find a free tool thats rips MP3's, they're quite a bit more compact. I don't know about any activeXs that play 'em, but I'm near positive there are some.