1. Unlink audio and video. Change speed only on the video. Use more/less original audio to compensate for the changed video length.
2. Use a suitably-featured audio editor to change the length of the audio without changing pitch to match the change in length of the video you do in Premiere.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.