This article provides steps to take if the audio coming from your Sonos home theater product is out of sync with the video. Show
Audio is behind the videoReboot your TV and source deviceStart by rebooting your TV and any external source device you may be using like a game console, cable box, or DVD/Blu-ray player. Disable extra audio processing on your TV and source deviceA common cause of this issue is an audio setting either on the TV or an external source device that is processing the audio before it gets to Sonos, causing it to be delayed. Check the audio output settings on your TV and any external source device, or contact the manufacturer for assistance in disabling these features. Adjust the audio format on your TV and source deviceSome TVs and external source devices use additional processing when playing surround sound audio, which can delay the audio. Change the audio format of your TV or source device to Stereo (or PCM) to remove this delay. Note that this will disable surround sound audio. With all the possible combinations of TVs, set-top boxes and sound bars these days, sound delay has become an extremely common problem. While incredibly frustrating, there are several proven fixes you can try implementing yourself. If you stick with this list, and work your way through each solution, one-by-one, it’s extremely likely you’ll fix your problem. Don’t skip a step thinking it’s too obvious, or that it won’t work. They worked for others, and they will work for you! Contents show 1 How to Fix Sound Delay on TV 1.1 Enable AV Sync Adjustment 1.2 Connect Source Device Directly to External Speakers 1.3 Reset Sound Settings 1.4 Power Reset Your TV 1.4.1 Method 1 – Power Reset By Unplugging Power Cable 1.4.2 Method 2 – Power Reset Using TV Menu 1.4.3 Method 3 – Power Reset Using Remote Control 1.5 Disconnect and Reconnect Your TV to the Source Device 1.6 Enable and Disable Game Mode Accordingly 1.7 Clear Cache 1.8 Close Multiple Background Apps 1.9 Use An Alternative Streaming App 1.10 Factory Reset Your TV 1.11 Update Your TV’s Firmware 2 Conclusion 2.1 Related Posts: How to Fix Sound Delay on TVTo fix a sound delay on your TV, simply turn on “AV Sync Adjustment”. Go to SETTINGS, navigate to SOUNG SETTINGS, and select AV SYNC ADJUSTMENT to enable it. Ensure the AUDIO OUT setting is at “0” before adjusting the slide bar accordingly to solve the issue. Making this AV Sync Adjustment is the easiest and most common way to resolve your TV’s sound delay. NOTE: I provide generic step-by-step instructions for each of the fixes below. You may need to look up the user manual for your specific TV make and model to find the setting I refer to. Or better yet, just YouTube it! Enable AV Sync AdjustmentIf your TV’s audio and video are out of sync and the sound is too slow, you need to check the Audio-to-Video Synchronization settings. The latest TVs come with an AV Sync adjustment that allows you to fix sound delays with the press of a button. Adjusting the AV Sync adjustment setting lets you minimize the lag between the audio output and visual display, subsequently fixing annoying and frustrating sound delays. Here are the steps:
Connect Source Device Directly to External SpeakersAudio delays often arise if you connect your TV directly to your sound bar, home theater, or external speakers using HDMI ARC or optical output. The delay occurs because the audio signal has to travel longer than the video signal. The audio travels from the source device to the TV and then to the soundbar or home theater, while the video signal only travels from the source device to the TV. By the time the soundbar unpacks the audio signal, you would have already seen the video. In essence, the sound will arrive a few microseconds after the visual display. You can prevent this disparity by connecting your soundbar directly to the source device and disabling HDMI ARC audio output. Here are the steps:
Reset Sound SettingsOne of the quickest ways to resolve audio lags is to reset your TV’s sound settings. This hack will solve several issues, such as sound delays, echoing, and no audio. Resetting sound settings is a fast and straightforward process. Here are the steps:
Power Reset Your TVPerforming a power reset is an integral part of troubleshooting your TV. This simple process can help resolve various issues such as sound delays, freezing display, black screen, non-responsive remote control, and slow or buffering apps. Before performing a power reset on your TV, turn it on and unplug all external USB devices. You can power reset your TV using three different methods: Method 1 – Power Reset By Unplugging Power Cable
Method 2 – Power Reset Using TV Menu
Method 3 – Power Reset Using Remote Control
Disconnect and Reconnect Your TV to the Source DeviceSeveral issues can cause sound delays on your TV, and one of the most overlooked is a bad connection. A poor connection between your TV and source device, such as a cable box, Blu-ray Disc player, or DVD player, can cause out-of-sync audio issues. Check if the cables connecting these devices are plugged securely and correctly. Disconnect all cables from your TV and source device and connect them back one by one. If the issue remains unresolved, your cables might be faulty. Try replacing them with new ones. Enable and Disable Game Mode AccordinglyMost TVs come with a “Game Mode” feature that configures the TV to bypass several video processors, subsequently cutting down the time the TV needs to process video signals during gameplay. Enabling Game Mode during gameplay can help reduce sound delays when playing video games. However, it would help if you disable Game Mode when watching TV or playing a Blu-Ray disc to avoid out-of-sync audio issues. Here are the steps:
Clear CacheIf you are experiencing sound delays on your TV because of a particular app such as Netflix or YouTube, consider clearing the cache. A cache is a memory storage location in your TV that collects temporary data allowing apps to load faster. Cached data can accumulate over time and fill up your TV’s memory, causing it to freeze and lead to other issues, including sound delays. Clearing cache can help restore the functionality of your TV and prevent audio lags. Here are the steps:
Close Multiple Background AppsSmart TVs come loaded with dozens of pre-installed applications. Some of these apps are useful, while others fill up space for no good reason. When you boot your TV, you will notice that some apps will load automatically and run in the background. Multiple apps running simultaneously in the background can cause your TV to freeze and develop sound delays. The quickest solution to this problem is closing apps that you do not need at the moment.
You should also consider deleting any and all apps that you don’t use, or plan to use. You can always add these back later! Use An Alternative Streaming AppSometimes, a sound delay on your TV might be caused by a particular app that you are using. If you are streaming content from an online source, you may experience audio lags because of issues with the app in question. After confirming that the app is the source of your sound problems, consider downloading and installing an alternative streaming app. Depending on your TV brand or model, you can find apps on Apple App Store, SmartCast, Google Play Store, etc. Factory Reset Your TVFactory resetting your TV will erase everything except pre-installed apps and leave your TV as new as how it came from the shop. That said, this step can help fix various issues, including sound delays. Here are the steps:
Update Your TV’s FirmwareIf you’ve tried all the tips above and nothing seems to work, perhaps its time you update your TV’s firmware. Manufacturers often release new updates to fix bugs and issues that affect their products. Updating your TV’s software might help resolve sound delays. Here are the steps:
ConclusionSound delays and out-of-sync audio issues are common, so you shouldn’t fret much. Our tips above can help you resolve the problem as quickly as possible. Here is a summary of what you can do to fix sound delay on TV:
Hopefully one of these fixes worked for you. Were you able to fix the sound delay on your TV? If so, let me know how in the comments below! Why is the sound on my Sony TV delayed?If the TV is connected to a soundbar or home theater system (with an HDMI cable or optical cable), the sound may be delayed due to audio processing delays in the soundbar or home theater system. In such cases, there are no issues with the TV speakers.
How do I fix the audio delay on my TV?Try turning off and then turning on the TV and the sound bar. If you are streaming content, try changing to another streaming app/channels to see if audio delay will also occur. If you are watching through antenna, cable or satellite tv, try switching the channels to see if audio delay occurs on other channels.
Why is my Samsung TV sound out of sync with the picture?1 Press Sound Control on the Soundbar remote and the use the Left/Right buttons to adjust until sound is synced. If the video on the TV and audio from the Soundbar are not synchronised, select SYNC in sound control and then set the audio delay between 0 – 300 milliseconds by using the Up/Down buttons.
Why is my TV picture and sound out of sync?If watching a TV program, it could be the broadcast itself or a bad connection between your cable/satellite set-top box (if applicable). If a DVD or Blu-ray Disc® player is connected, a poor connection or the disc itself could be the cause.
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