THEOplayer often separates audio and video into different tracks (especially with Dolby or multi-language audio). You downloaded only the video track. Solution: Find the audio manifest (often a separate .m3u8 for audio only). Download both, then merge with ffmpeg:
Method 1: Using Browser Developer Tools (The "Inspect" Method) how to download video from theoplayer
Many streaming services (like TV broadcasters’ apps) allow downloads for offline viewing within their mobile apps (iOS/Android). TheoPlayer is often embedded inside these apps. THEOplayer often separates audio and video into different