2023-09-02, 02:53 AM
You can change this with MKVToolnix or another CLI/GUI tool. It's just the title of the stream. I believe ffmpeg might even be able to change this metadata, though I haven't bothered in the past.
Jellyfin 10.9.4 [LSIO Docker] | Ubuntu 24.04 LTS | i7-13700K | Arc A380 | 64 GB RAM | 79 TB Storage