I recently got the new Insignia HD camera, the footage is decent, however, when uploaded on to the computer (tried on PC and Mac) I encountered one huge problem.... Once the video was in the editing software I tried to split parts of the video out of the footage, when I did this the audio split perfectly but the second half of the split had no video footage. The video records in a MP4 wrapped in AVI. I have downloaded all of the codecs and the problems still occur. Any ideas on what to do?