audio-only
adjectiveUK /ˈɔːdiəʊ ˈəʊnli/
US /ˈɔːdioʊ ˈoʊnli/
Something that you can hear but cannot see.
The story is audio-only, so you listen to it without any pictures.
OTHER MEANINGS
2. A broadcast or recording that has sound but no video.
The concert was shared as an audio-only stream for people at home.
3. A meeting or call where people talk but do not show their faces.
We had an audio-only call because the camera was broken.
4. A version of a book or show that you listen to instead of watching.
She prefers the audio-only version of the story for car rides.