These format IDs are most commonly encountered by users working with command-line video downloaders or streaming analyzers:
Outside of YouTube, the number "628" appears in Azure streaming configurations as a different quality tier: 384x216384 x 216 (Low resolution). Frame Rate: 30 fps. Bitrate: ~628k video-only stream. 628 mp4
Often associated with Apple Native HLS (m3u8) delivery, though it represents the same quality as standard HTTPS streaming. These format IDs are most commonly encountered by
Technical communities on GitHub Gists maintain exhaustive lists of these IDs to track how YouTube and other platforms update their compression and delivery methods. 4. Comparison to Other Formats Often associated with Apple Native HLS (m3u8) delivery,
Users can specifically request this format using command flags (e.g., -f 628 ) to target the 4K 60fps VP9 stream.
While MP4 is a universal container, it often relies on lossy compression. In the context of YouTube's itags, is a "video-only" DASH (Dynamic Adaptive Streaming over HTTP) format, meaning it must be combined with a separate audio stream itag (like 140 for AAC audio) to create a complete file. Get-EventSession.ps1 - GitHub