Some programs provide surround sound and if you have a surround sound processor and cable, you can get richer audio than standard stereo.
Hookup diagram TV Surround sound
Laptop to TV Hookup
Display your laptop on the big screen TV.
Hookup diagram Laptop to TV
iPhone to TV Hookup
Display your iPhone on the big screen TV.
Apple iPhone to TV
Apple iPhone models and iOS versions
Apple iPhone Model List and Specifications