Lv_0_202301052120021.mp4

: Notes on lighting, framing, and audio quality.

These apps often default to 720p; check your export settings for 1080p or 4K. lv_0_202301052120021.mp4

Try using VLC Media Player ; it plays almost any MP4. : Notes on lighting, framing, and audio quality

Check if the video was exported as "Mute" in your editing app. : Notes on lighting