An entry may intentionally be an audio-only radio stream, though a missing video decoder can also produce sound without picture. Check the item’s category and compare another source before treating every blank video area as a fault. The context determines which investigation makes sense.
Read the entry and group labels
Radio, music and audio services can be listed alongside television channels in a compatible playlist. An audio-only source does not need a picture to be working correctly. A logo or background image may be interface artwork rather than a video component.
Compare a known television item
If ordinary television entries show video on the same device, an isolated radio entry may be behaving normally. If all video items produce only sound, investigate player format support and rendering instead. Keep those two cases separate in a support message.
Organise for clear navigation
Where supported, place radio favourites in their own local group. That avoids confusing them with television shortcuts during daily use. Do not rename an unfamiliar source as a radio station solely to explain a playback failure; establish what the supplied entry is intended to carry.
