To prefer ‘Radio’ to ‘Sounds’

I have just visited the BBC website to listen to something on the iplayer radio which I do to help me drift off to sleep and found that the word ‘radio’ has been replaced by ‘sounds’. Why? ‘Radio’ seems to me to encompass both music and speech whereas ‘sounds’ could be a door banging or a toilet flushing. It belittles what radio does.