On the right side of all modern MacBook Pro models is an HDMI port used for digital video and sound. It’s a great way to take in all of your favorite movies on the big screen. On the other hand
4 Methods to Fix HDMI No Sound on Macbook
How to Connect a MacBook to a TV (with Pictures) - wikiHow
MAC to TV no sound fix [MINI DISPLAY PORT to HDMI]
How to Connect a Macbook to a TV Using HDMI - TurboFuture
How to Fix Apple TV Sound Delay Problems - GadgetMates
4 Methods to Fix HDMI No Sound on Macbook
Connecting your laptop to a TV is easier than you think - CNET
Sound issues when connecting your Mac to a TV with HDMI? Try this
How to Connect a Mac to a TV with HDMI for Full Audio & Video Support