: Often a product or internal model code for portable gadgets, such as the NexiGo Smart WiFi Mini Portable Projector Go to product viewer dialog for this item. or the Godwin KYX-G501 Portable Power Station Go to product viewer dialog for this item.
It looks like you’re trying to make sense of a file label or search query: . nxg501engsub convert030018 min portable
ffmpeg -i NXG501.mp4 -ss 03:00:18 -vf "subtitles=NXG501.srt" -c:a copy output_hardsub.mp4 : Often a product or internal model code