Tv coaxial or hdmi to optical soundbar connection?

Ken_9_

Estimable
Nov 26, 2015
4
0
4,510
There's only a coaxial audio output on my tv apart from headphone and hdmi sockets .
What's the best way of connecting to my soundbar which has line in a red and white aux and optical connections. I'm connected line in to headphone but getting a buzz at the moment.
Any advise please.
 

Ken_9_

Estimable
Nov 26, 2015
4
0
4,510