How to use Sound Mode on your Samsung TV?

Configuring advanced sound settings
 

Settings Sound Expert Settings
 

You can personalise the sound quality by adjusting the following settings:

• Balance
• Equaliser 

Digital Output Audio Format

To play Dolby Digital+ (with Atmos) content, select Dolby Digital+.

The Dolby Digital+ option is only available via HDMI (ARC) for external devices that support the format. The HDMI (ARC) port may support eARC in some models. If you use a AV receiver that does not support Dolby Digital+, you will hear no sound if you select Dolby Digital+.

Digital Output Audio Delay

This feature is only available when the external device is connected via HDMI (ARC) and SPDIF (Sony Philips Digital Interface).

Dolby Atmos Compatibility

You can set whether to allow Dolby Digital+ with Atmos streams that are input from external devices. Set to On if the audio device connected via HDMI (ARC) supports Dolby Atmos. The TV screen may flicker when this function is turned on or off. If this function is on, set Digital Output
Audio Format to Dolby Digital+. The HDMI (ARC) port may support eARC in some models.