1. Press the settings or menu button on the remote control
2. Move down and select the “Sound” menu
3. Choose “HDMI Input Audio Format” and select “PCM”. Other formats such as “Bitstream”, “Auto”, “Dolby” will not function.
* This may reside under expert settings
4. Choose “Digital Output Audio Format” and select “PCM”. Other formats such as “Bitstream”, “Auto”, “Dolby” will not function.
* This may reside under expert settings
5. Optional - Choose “Sound Output” and select “Audio Out/Optical”
6. Ensure selections are saved and exit the menu. Turn off the TV by unplugging the power cord for two minutes, then turn on the TV.
Additional References:
https://www.samsung.com/us/support/troubleshooting/TSG01203944/
https://www.samsung.com/us/support/answer/ANS00085244/
*Your Samsung TV audio settings menu may differ than the one below.