Adobe Audition 2020 V13.0.5

I am working on a project in adobe audition and want to split my workstation horizontally with the video on top taking up around 30% of my screen and the multi track section taking up 70% of my screen below. Once I have set this up and press play on my project the video automatically adjusts in size (usually expands) rather than staying locked at the size I set it up at. Is there a way of locking this so I don't have to keep adjusting it after or during playback 59ce067264

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