Dash_480.mp4

: The "480" in DASH_480.mp4 indicates the vertical resolution. Your player automatically switches between DASH_240 , DASH_480 , DASH_720 , and DASH_1080 based on your current internet speed.

DASH is an adaptive bitrate streaming technique that allows high-quality streaming of media content over the Internet delivered from conventional HTTP web servers. 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. : The "480" in DASH_480

If you attempt to save a DASH_480.mp4 file directly from a browser's "Inspect Element" or "Network" tab, you will likely end up with a silent video. To get a complete file, use these methods: use these methods: