The long and short of it is there are some errors in recording that can’t always be fixed in post, and this is often one of them.ĮDIT: i just reread your OP. Even if you do, you would have to be very careful that you don’t accidentally move audio connected to adjacent flex markers when adjusting a section, or you’ll be un-syncing audio that was already in sync.ĭepending on how far the two recordings were made from each other, you may run into phase issues and cancelling from how the sound was moving around the room in which it was recorded. The nightmare scenario with what you’re doing would be trying to make additional Flex edits inside those two outermost points to try to prevent this from happening, and there’s a good chance you won’t be able to. This is how an audio effect called a “flanger” works. The problem with doing this is, if one or both of the recordings isn’t exactly sample-perfect, or has some wow and flutter or otherwise modulates in speed, even slowly, the files will drift in and out of sync with each other throughout the program. That should retime the audio approximately to the other. Make them on two sharp and obvious noises (like I was talking about with the clapboard above) and match them to the other recording. Then, I’d first clear all Flex markers and make only two, one on each end, beyond the in and out points of your edit. I haven’t used Flex Time to retime long pieces of audio but I imagine you’d have to use polyphonic mode, and have areas of audio before and after your in and out points for the final edit. If they’re both recorded digitally this should be all you have to do. This is similar to why clapboards are used in film - to provide a definitive moment on the film and the audio where you can say beyond a shadow of a doubt, this frame of video belongs with this split-second of audio. If they were digitally recorded and they don’t drift out over time, you need to find a fast, loud, sharp sound somewhere in both files and line them up to start. Do they drift over time? How were they recorded? If the recordings are more than a few seconds long and they aren’t the same speed you’re going to be in for some work.
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