hi, im having problems with having no audio when i preview, nor do i have sound when, i insert clips into the timeline, how do i get the audio that should be working that is inherit to the actual clip?? i can get my mp3's, wav's to work seperately, but i want the actual audio to work when i preview or insert clips, please someone help, i read the manual, but i cant seem to find anything telling me what i should do.. any help is most appreciated. thanks