Dash_480.mp4 -

: Tools like Video DownloadHelper can detect the various DASH streams and allow you to select your preferred resolution.

: ffmpeg -i DASH_480.mp4 -i audio.mp4 -c copy -map 0:v:0 -map 1:a:0 output.mp4 DASH_480.mp4

: While mostly associated with Reddit, similar naming conventions are used by YouTube's internal API and various open-source media servers using Dashcam Viewer software for specialized hardware. : Tools like Video DownloadHelper can detect the

If you already have a silent DASH_480.mp4 file and a separate audio file, you can merge them without re-encoding using FFmpeg . DASH_480.mp4

Are you looking to a specific video, or are you trying to configure a media player to use this specific resolution?