No Dolby Digital audio through HDMI ARC (eARC) on 2021 TV

If you are experiencing issues using Dolby Digital audio via HDMI ARC (eARC) on your 2021 Samsung TV, it may be due to a recent software update. Software version 1903 (or higher) may cause Dolby Digital audio to malfunction. Fortunately, this will be fixed in an upcoming software update.

An upcoming software update will be available for all affected models. This update will fix the error on your TV.

To check your TV’s software version, navigate to Settings, select Support, and then hover over Software Update. The current software version will be displayed on the right side of the screen. To update the TV’s software, select Software Update, and then select Update Now. Update Now highlighted on a Samsung TV

Service is not required for this issue.

Change the audio format on your Samsung TV

Choosing the Best HDMI Input Audio Format When adding an external device, the HDMI Input Audio Format is crucial. This setting is unnecessary if no HDMI input devices are connected to your TV. To adjust your TV's input audio, go to Settings, select Sound, then Expert Settings, and finally, HDMI Input Audio Format. The options are: PCM (Pulse-Code M

eARC on your Samsung TV and soundbar

Samsung products that support eARC 2023 (C model TVs): All Neo QLED 8K & 4K TVs, all OLED and QLED TVs, all Crystal UHD TVs, all Frame TVs, the Sero, and the Serif 2022 (B model TVs): All Neo QLED 8K TVs, all Neo QLED 4K TVs, the S95B OLED, all QLED 4K TVs, all Frame TVs (except the 32 inch model), the Sero, and the Serif TVs. 2021 (A Model TVs): A

Vibrating or buzzing sound from the TV speaker

If you hear a loud noise coming from the speaker that sounds like buzzing or vibration on your 2022 Samsung TV, it may be caused by the speaker’s woofer. This can occur when the TV’s volume is very high. Fortunately, you can fix this issue with an upcoming software update.

Intermittent sound drops when connected via HDMI-ARC

You may notice that the sound drops intermittently or stops working when your soundbar is connected to your TV via HDMI-ARC. If this is happening, you can fix the issue with a firmware update.

Adjust your sound settings for the best sound on your Samsung TV

Use TV sound modes to change settings quickly On your TV, there are 3 Sound Mode presets: Standard (default setting), Optimized, and Amplify. It's easy to switch between sound modes, but there are a couple of ways you can do it. Both methods will work on most Samsung TVs. On newer Samsung TVs, grab the remote and press the Home button. Next, scroll

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