Caption provenance

YouTube exposes automatic English captions and a distinct live ASR feed. No separately authored human-edited English track was visible at verification time. Both preserved tracks are labeled automatic ASR; neither is represented as a human-edited transcript.

Downloads and source links

The 720p H.264/AAC file is a browser-compatible derivative from the official YouTube streams. The 1080p AV1/AAC file is the archived download. Caption and metadata files are preserved separately.