I was recently given a file to use for DVD authoring. There are 2 audio tracks and so we received the first set on Beta SP with the video and the second set on DVD in uncompressed .aiff format. However, the second audio file is not in synch with the video. It is not even the same length. It is about 2.5 minutes short. Since all the files are uncompressed I cannot understand why the audio file is not the same length. Any suggestions?