I am editing a song sequence where the lip sync of video and audio is important as the artistes in the video are shown actually singing the song - like in Bollywood song.
When I slow down a portion of a video clip, it naturally adds extra length to the video (but not the audio), thereby breaking the video and audio sync. I have to then cut of the incremental video clip from immediately succeeding part of the video clip in order to match the audio and video again. This I have to do manually by actually measuring the incremental video clip and then precisely cutting the video clip of same length from succeeding part of the slowed down video portion.
I was wondering if there is any tool in Premiere Pro whereby when I slow down a video clip, it will automatically chop off the succeeding part of the video clip by exactly same amount as the incremental part of the video clip (as a result of the slow speed) on AUTO basis. Please note that there is a lip sync in the song sequence and I can not randomly cut off the video clip nor can I stretch the audio clip.
In all the video tutorials I have seen, this aspect of lip sync is not covered. There is some sort of background music and therefore there is full flexibility in adjusting the audio to match the length of the video. In the case of dialogue, though the lip sync is there, the slowing down of video clip does not occur. This specific issue happens only in the case of song sequence with lip sync.
Thanks in advance for the guidance.