when i insert edit a clip in mC 3.0.5 to a tape with DSR 1800p 4 ch deck, it does not record few frames of audio at the start(audio missing at start after insert edit).i have tried this with other deck modules in digital cut tool and different digital cut offset but i failed. then i tried this job with dsr 20p,30p,40p,45p and i succeed. pls help me