Justin writes: Learn how to predictably speed up and slow down BOTH video and audio in Blender’s Video Sequence Editor by using the Speed Control strip and other methods. (Blender 2.92.0)
from BlenderNation https://www.blendernation.com/2021/05/11/speed-up-or-slow-down-your-video-and-audio-in-blenders-vse/
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