IMPORTANT: This article applies only to specific products and/or operating systems. Check Applicable Products and Categories for details.
This issue can occur if the audio format of the HDMI® device connected to the TV is set to bitstream output (Dolby Digital, Dolby Digital Plus, DTS, etc.). To fix this, change the audio format of the HDMI device to PCM. Refer to the HDMI device manual for information on how to change the audio format.
For models with Sound mode settings:
To improve the audio sync, change the Sound mode of the TV to a setting other than Dolby Audio, such as Standard.
- Press the HOME button on the remote control.
- Select Settings.
- Select Display&Sound → Sound → Sound mode.