click here then check out the user comments. It is expensive and excellent if you are into sound editing but it really belongs in a studio with the rest of the sound kit. To get the full benefits you need a mixing desk and a set of studio monitor speakers. It is very complicated if you want to use all the features and an understanding of sound engineering is expected. Ther eis no Mac version and it can ONLY handle AVI files.
There are many programmes that are cheaper for home use.