I am editing the seventh out of eight tapes I shot. The first six were fine. I just captured seventh and when I play it back in FCP it sound really stange. It plays back with constant cliping sounds. When I hit the space bar to to stop play, the clipping sounds continue for a second then fade. The audio from my FX1 is clean.

I tried opening a new project and it seem to be OK on some tests then clippy on others. I am now capturing the whole tape again to see if it will playback OK. Has anyone ever heard this? Know what causes it?

Are they like beeps? If so, that indicates that your audio needs rendering and it might be caused by some wrong audio capture or sequence settings. You could try rendering the audio, and if that fixes it then you'll know that something is configured wrong.

How does the Quicktime file itself sounds in Quicktime player? Then you can find out if it's a FCP error or a capture problem.

Yeah, the QT file is clean. I should have checked that before I recaptured the tape. I kinda think that there is a conflict with my ProTools interface. I am sharing the Digi 002 and Hafler amp with FCP for monitoring the audio. When I switch between Protools and FCP I sometimes have to reset devices to get them to share. Sometimes the Digi 002 is greyed out on FCP and sometimes Protools says that it can not find interface. Why can't they all just share?