TV Audio and Sound FAQ

For assistance with audio and sound settings and troubleshooting, please select a topic from the list below:

• ARC (Audio Return Channel)
• Audio Format
• Closed Captioning
• Connect Audio Devices
• Distorted Audio
• No Audio

IMPORTANT: For any model-specific information regarding any of the steps in these solutions, refer to the supplied operations manual. Manuals are posted on your model support page.

IMPORTANT: These solutions may not apply to all models. Check Applicable Products and Categories for each solution for details.

ARC (Audio Return Channel) 

• What Is the Audio Return Channel (ARC) Feature?
• How to use and troubleshoot issues when using HDMI ARC

Audio Formats 

• Sound is output as Dolby Digital Plus 2 channel audio when I play HE-AAC 5.1 channel music file format
• How do I set Dolby Dynamic Range?

Closed Captioning 

• Display Closed Captions/Subtitles for TV broadcasts and internet video services on your TV
• How to turn the Closed Captioning or Subtitles on or off when viewing Internet videos from Netflix?

Connect Audio Devices 

• Connect a Sound Bar to Your TV
• Hear TV Sound Through the A/V Receiver or Home Theater System Speakers
• Can I use Bluetooth headphones, speakers, and sound bars with Android TV™?
• How to get sound from headphones and the TV speakers at the same time
• What is the difference between FIXED and VARIABLE audio output?

Distorted Audio 

• The audio and video on my TV are out of sync or there's an audio delay
• The DTS audio being output from the home theater breaks up intermittently
• How can I test the picture and sound quality of my TV?
• The TV makes a crackling or popping noise

No Audio 

• No Sound from the TV When I Use an HDMI Connection
• The TV Doesn't Output Sound Through the Optical Output or DIGITAL AUDIO (OPTICAL) OUT jack
• TV Speakers Have No Sound or Low Volume
• No sound from the soundbar connected to the HDMI ARC port of the TV when the Control for HDMI function is off
• There is no sound when using a TV or audio system with the Audio Return Channel (ARC) feature