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How To Fix Lip Sync on Samsung, LG TVs?


Have you ever heard the words the characters are saying before they’ve said them yet? Or maybe you’re watching one scene while listening to the dialogue from the last? 

Either way, something is definitely wrong with your TV’s audio.

But, how can you fix the lip sync problem on Samsung or LG TVs? Is there a way to manually calibrate the lip sync?

Keep reading to find out! 

How to Fix Lip Sync on Samsung TVs? 

SAMSUNG 65-Inch Class Crystal UHD AU8000 Series - 4K UHD HDR Smart TV with Alexa Built-in (UN65AU8000FXZA, 2021 Model), Black

Follow our suggestions to fix your Samsung TV’s audio delay. 

You have two options when fixing your Samsung TV’s audio delay. 

You can either reset your TV’s audio settings or manually calibrate the audio to align it with the picture. 

Let’s learn how to do both! 

How to Reset the Audio Settings 

Follow the steps below to reset your Samsung TV’s audio settings. 

Step 1: Open the settings either by clicking the remote’s Settings shortcut button or selecting the Settings icon on-screen. 

Step 2: Scroll down and select Sound. 

Step 3: Click on Expert Settings. 

Step 4: Select Reset Sound. 

Step 5: Click Yes to confirm your choice. 

Step 6: Play something on your TV and see if the lip sync problem has been resolved. 

Watch the video below demonstrating how to reset your Samsung TV’s audio settings. 

Samsung Smart TV: How to Reset Audio/Sound Settings (Fix Audio Issues, No Sound, Delayed, Echoing...

How to Calibrate the Digital Output Audio Delay

If you’ve tried resetting the audio settings, but are still finding that your TV’s sound is unsynced, you may need to calibrate it manually

This slider will quicken or slow down your TV’s audio to match the content. 

Step 1: Observe if your TV’s audio is too fast or too slow. 

Step 2: Go to Expert Settings. 

Step 3: Click Digital Output Audio Delay. 

Step 4: Use your remote’s arrow keys to increase or decrease the value. If your TV’s audio is too fast, increase the audio delay value. If your TV’s audio is too slow, lower the audio delay value.

This may take some experimenting. We suggest slightly changing the value, then playing something to see the results. 

Update Your TV’s Software

TV software updates

Your Samsung TV may have a pending software update, causing the lip sync to glitch. 

Follow the steps below to update your TV’s software. 

Step 1: Ensure your TV is connected to Wi-Fi. 

Step 2: Click your remote’s Menu button. 

Step 3: Scroll and select Support. 

Step 4: Click on Software Update. 

Step 5: Select Update Now. If your TV is already updated, you will be unable to select this option. 

Step 6: Do not use, turn off, or unplug your TV while it’s updating. 

Step 7: Once updated, toggle Auto Update on, so your TV will update automatically in the future. 

Watch the video below demonstrating how to update a Samsung TV’s software following the steps above. 

How to Update Software on Samsung Smart TV (Also How to Fix if Update is Greyed Out)

How to Fix Lip Sync on LG TVs?

Follow our suggestions to fix the audio delay on your LG TV. 

LG OLED C1 Series 65” Alexa Built-in 4k Smart TV (3840 x 2160), 120Hz Refresh Rate, AI-Powered 4K, Dolby Cinema, WiSA Ready, Gaming Mode (OLED65C1PUB, 2021)

Resetting the AV (audio and video) settings and adjusting the external speaker settings are great ways to fix your LG TV’s audio delay. 

You will need your TV remote for both of these suggestions, so make sure it’s working correctly. 

Let’s get started! 

Reset the AV Settings

See the steps below to reset your LG TV’s AV settings. 

Step 1: Press your remote’s Mute button (marked with an icon of a crossed-out speaker) three times. 

Step 2: Select Reset AV Values. 

Step 3: Once reset, play something on-screen to see the results. 

Watch the video below demonstrating how to reset your LG TV’s AV settings following the steps above. 

LG TV Resetting Audio and Video Settings webOS Video

Adjust the Internal Speaker Settings

Adjusting the internal speaker settings allows you to manually calibrate your TV to sync with the internal speakers. 

Follow the steps below to adjust your LG TV’s internal speaker settings. 

Step 1: Open your TV’s Settings. 

Step 2: Click on the More Options icon marked by three dots (⋮). 

Step 3: Click on Sound. 

Step 4: Select AV Sync Adjustment. 

Step 5: If the audio is too fast, press the Minus (-) sign. If the audio is too slow, press the Plus (+) sign. 

Sound Settings in LG Smart TVs

Adjust the External Speaker Settings

If you have external speakers and found that resetting the AV settings has not fixed the audio delay, you may need to adjust the external speaker settings

Before adjusting these settings, make sure your speaker cables are securely attached to the correct ports and are not bent or torn. 

TV connect speakers

Follow the steps below to adjust the external speaker settings on your LG TV. 

Step 1: Click your remote’s Smart button (marked with a house icon). 

Step 2: Go to Settings. 

Step 3: Select Sound. 

Step 4: Click AV Sync Adjust and toggle it on. 

Step 5: Scroll down and click on External Speaker. 

Step 6: Use your remote’s arrow buttons to calibrate your TV’s lip sync settings. Decrease the value if the audio is too fast and increase it if the audio is too slow. 

Step 7: Play something on-screen to check if the audio delay problem has been resolved. You may have to return to and calibrate the External Speaker settings several times to make sure the lip sync is just right. 

Wrapping Things Up

Lip sync problems are as annoying as they are distracting, but they can be fixed. 

Resetting your TV’s audio settings is a good place to start, but if that doesn’t work, try manually calibrating the audio delay yourself.  

Remember to be patient and don’t hesitate to experiment with the audio settings. They can always be reset, if needed. 

If you have any more concerns, don’t hesitate to reach out to Samsung customer support or LG customer support.  

What’s your experience fixing the lip sync on Samsung and LG TVs? Let us know in the comments below! 


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