Tcl audio out of sync

Tcl audio out of sync DEFAULT

Roku Community

Hi there, 

Moving Roku TV comments to a new thread. 

For those of you experiencing this issue on a Roku TV, please reply with the following details so we can help investigate this issue further: 

- What specific streaming channel or HDMI input devices (cable box, Xbox, etc.) are you watching when you observe the issue? What is an example content title (movie or tv show) that we can reference? 

- Does this occur in all streaming channels on the TV, or just one particular streaming channel? 

- Are you using any A/V receiver or soundbar with your TV? If so, what is the specific brand and model number?

- During playback of any content, press the * key on your Roku TV remote. A sidebar menu will open on the left. Locate 'Volume modes' - Are any of these turned on? If so, does turning this feature off resolve the issue and restore audio sync? 






Roku Sound Delay

If you are reading this, the chances are pretty high that you already know what Roku TV is.

You have probably bought one for many logical reasons. Their exceptional sound system, perhaps? Maybe it was the ease of use factor that got you hooked. After all, all you need to do is plug it in, connect it to the internet, and then you’re ready to enjoy your favorite shows.

However, there is one con in choosing Roku that more and more people on the internet are making their voices heard about it. Of course, we’re talking about the annoying sound delay.

For some of you, this defect will only be noticeable on a few channels. For others, it’s on every channel and even on Netflix. Whichever the case is for you, rest assured that this little guide will fix the problem.

So, if you’re tired of the audio racing ahead of the video and ruining your enjoyment of football games and films, you’ve come to the right place.

How do I troubleshoot the sound delay issue on my Roku TV?

The idea of fixing something that sounds as complicated as this can make some of us simply give up trying before we have even got going. However, with this fix, you need no experience in the tech field. Anyone can do it!

Just follow the detailed steps below, one at a time, and you’ll have the problem fixed in no time at all:

1. Change the Audio Settings To “Stereo”:

Sometimes, the easiest fixes are the ones that turn out to be the most effective. So, we’ll start with the easiest fix.

You may have noticed that when a commercial pops up while you’re watching something, it can cause everything to slip out of sync. The best thing to try is adjusting the audio settings on your TV to “Stereo.” It should fix the problem straight away. 

Here is how you do it:

  • Go to the “Home” button on your Roku remote.
  • Scroll either down or up.
  • Next, open the “Settings” options.
  • Tap on the “Audio” option.
  • Now, set theAudio mode to “Stereo.”
  • After that, all you need to do is set the HDMI mode to PCM-Stereo.

Note that those Roku devices having an optical port will require you to set HDMI and S/PDIF to PCM-Stereo.

2. Check ALL Connections:

Most likely, the solution mentioned earlier will work 95% of the time. However, if the issue persists, check your internet connection.

Sometimes, if your internet speed and the connection’s stability are poor, it will affect your service’s quality, especially if you live in a remote area.

The best way to check your connection is to check your upload and download speed using a website such as this one here. 

Asides from this, there is also a chance that your HDMI cable or power supply may be slightly loose. Though it sounds like an obvious fix, you would be surprised how often it can happen – even to the tech-savvy among us.

So, it is worthwhile checking to make sure that you plug in both the HDMI cable and the power cable for the TV properly

3. Make Adjustments on the Remote:

If these fixes above have not worked for you, sometimes just making a quick change to the volume settings on your remote can fix the problem instantly.

Though it almost seems too easy to be effective, this fix has worked for plenty of people.

To give it a go, all you need to do on your remote control is disable and then enable the “Volume Mode”

4. Hit The Star (*) Key On Your Remote:

Picture this. You’re watching your favorite TV show. It goes to adverts, and then all of a sudden, the audio and video are way out of sync. Too far out of sync for you to even watch the show anymore.

You’re going to want a quick fix that sets the situation right again so that you don’t miss any vital plot information on your show. Here’s how it works:

  • While your content is playing, simply hit the (*) button on your remote to access the volume settings.
  • Then, if “Audio leveling” is enabled on your device, just switch it off

And that’s it. Again, this fix may seem a bit too simple to be in any way effective. But, rest assured, it has worked for many frustrated Roku users out there. 

5. Clear the Cache.

Many people who work in IT joke that the most reliable fix is simply turning it off and turning it back on again. But, we think there’s a bit of wisdom behind this humor.

After all, restarting your phone or laptop when they malfunction seems to work at least some of the time, right?

All you need to do is follow these simple steps for cache clearing:

  1. Unplug your Roku device and wait for at leastfive minutes
  2. Plug it back in. this action will clear the cache, and the device will perform more efficiently.

It is recommended to clear the cache at intervals regardless of whether you are experiencing problems or not. Clearing the cache frees up more processing power for your device to perform at its best. 

There are few things more frustrating than trying to unwind and watch your favorite shows just to have your experience ruined by lagging.

Luckily, across the board, users everywhere have reported that at least one of these fixes has worked for them time and time again.

Frequently Asked Questions:

How do I Fix Netflix Audio Lag on Roku TV?

Quite a few Roku devices users will have noticed that the only time their audio and video go out of sync is when they are on Netflix or Hulu.

More often than not, Netflix is the worst offender for this. But there’s some good news. It’s straightforward to fix the problem. There are a few streaming platforms out there that can override the sound settings on Roku.

Netflix is the most used of these. So, to get your Netflix working as normal and get back to enjoying your shows, here’s how you go about it:

    1. First up, launch the Netflix channel on your Roku.
    2. Start a video/show
    3. Now, open up the “Audio and Subtitles” menu.
    4. Pick “English 5.1” from the menu.

And that’s it. You can now enjoy your Netflix content at ease!

What can I Watch on Roku?

Roku offers a huge range of services that are both paid and unpaid. You can watch movies, television, news, etc.

Roku also supports widely used resources such as Netflix, Deezer, and Google Play. That’s right, and it even supports games.

Why Does My Roku’s Audio Keep Lagging?

There are multiple reasons that can cause your audio and video to go out of sync. In rare cases, it can bedue to a weak internet signal.

Other times, the reasons for the lag can be a total mystery. Most users who experience this issue will note that the trouble begins when a commercial comes up or the video is paused. 

The few most common factors include buggy software updates, network errors or bugs, loose input of the HDMI cable, inappropriate sound settings, slow internet speeds, etc.

At times, it may seem like the broadcaster is at fault and that everyone is experiencing the same issues. However, this simply isn’t the case. Luckily, the problem is easily remedied by following the above steps.

The Above Tips Didn’t Work. Are There Any Other Fixes?

Depending on the specific Roku device you are using, what works for you might not be the same as what works for the next person.

One unusual fix that we have come across is a simple rewind to set everything right again. Several Roku users are reporting that if you rewind 30 seconds, everything becomes synchronized again.

Over time, this may become annoying. However, on occasion, it will do for a quick fix. 

What Causes a Roku TV to go out of sync?

The root of the whole problem is a default feature that is built-in to Roku TVs. Though this feature was supposed to provide optimal audio settings, many have found that it does quite the opposite.

The “Auto Detect” feature is to detect the device’s audio pairing capabilities. 

Fixing Sound or Video Delay on Roku Devices.

As we have seen, fixing the video and audio sync on your Roku TV will never involve taking the TV apart to fix the problem. It also doesn’t involve sending the TV back to the manufacturer.

By going through the steps above and finding the one that relates to your specific TV, you should be able to fix the problem in an instant if it happens again. 

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Switching on your TV and watching your favorite shows is a great way to unwind after a long day.

Personally, I find the Roku TV to be a superb device to do just that, thanks to its wide variety of channels and streaming services.

However, I ran into a problem with my Roku that was quite frustrating and has happened a few times in the past.

The problem was that the audio was out of sync. Sometimes, it would race ahead of the video, while at other times, it would lag far behind.

Either way, it made the show or movie I was streaming unwatchable and dulled the whole experience that I was looking forward to,

Upon searching online for a fix, I found out that this problem was fairly common among Roku users.

Luckily, the solutions listed online were all relatively simple but scattered.

So, after reading through multiple online articles and scouring different forum threads, I created this one-stop guide that will help fix the audio issue with your Roku TV.

This article will serve as a detailed guide on how to implement each of the solutions mentioned above so that you can get your Roku TV back to running normally again.

If the audio on your Roku TV is out of sync, you can try restarting your Roku device, changing audio settings, ensuring the connections are intact, and resetting your Roku device.

You can also try disabling and enabling the volume mode on your Roku remote, pressing the Star (*) key on the remote, clearing the device cache, and adjusting the video refresh properties.

Power Cycle Your Roku Device

The most common troubleshooting step that is suggested for almost any electronic device is to reboot it.

Rebooting the device helps eliminate any bad piece of code that might exist within the system’s memory, thus bringing the device back into a fresh state.

To power cycle, your Roku device, unplug it from its power source, wait for a few seconds, and then plug it back in.

This will reboot your device, thereby starting your streams all over, this time with the audio and video in sync.

Change Audio Settings to “Stereo”

If the previous solution didn’t fix the issue for you, the chances are that the audio lag results from misconfigured settings.

The simplest one you can try to fix is the audio settings on your TV. Switching the audio settings to ‘Stereo’ should fix your issue right away.

To do this:

  1. Press the home button on your Roku remote.
  2. Scroll up or down until you find the ‘Settings’ option and click on it to open it.
  3. Select the ‘Audio’ option.
  4. Change the audio mode to ‘Stereo.’
  5. After this, set the HDMI mode to PCM-Stereo.

Doing this should bring your audio back into sync. If your Roku device has an optical port, make sure you set the ‘HDMI and S/PDIF’ option to PCM-Stereo.

Check All Connections

The solution mentioned above should work most of the time. However, if it doesn’t, try checking your internet connection and making sure it is stable.

If your internet strength is poor, it can affect your streaming quality, thus causing the audio issue.

If you are using a wired internet connection, make sure that the Ethernet cable is not damaged and connected properly between your TV and your router.

You can also lookout for the best wired routers in the market for a strong internet connection.

Other issues that can cause problems with your TV are loose HDMI or power cable connections.

While this may seem trivial, it goes undetected a lot of times. This solution works even for issues like your Roku not having sound.

Make sure that the HDMI and power cables are connected to the TV to avoid any problems.

Disable and Enable Volume Mode on the Remote

One of the methods that have worked for a lot of users is to make a quick change to the volume settings on the remote.

While this seems too simple to be true, it has been quite effective in the past. 

All you have to do is disable the ‘Volume Mode’ on your remote control and re-enable it again. To do this: 

  • Press the Star or Asterisk (*) button.
  • Scroll to Volume Mode.
  • Select OFF by scrolling right.

Press the Star (*) key on the remote

Another setting that you can change to quickly resolve your out-of-sync audio is Audio Levelling.

While your TV is still playing, press the Star (*) key on your remote. This opens up the volume settings.

Next, find the ‘Audio Levelling’ option on your device. If it is enabled, just turn it off, and that should bring your audio back into sync with your video.

If your Roku Remote is not working, try replacing the batteries or re-paring the remote with Roku.

Clear the Cache 

Another reliable way to fix most issues with electronic devices is to clear the cache memory.

This is because Clearing cache frees up more processing power, and that can fix the audio lag.

The best way to do this is to simply reboot your device. However, if you have already tried power cycling your Roku device and still find the same issue, here is another way you can clear your device’s cache:

  1. Open the main menu and make sure that you are on the ‘Home’ tab.
  2. Press the following buttons on your remote consecutively:
    • Press the Home button 5 times.
    • Press Up.
    • Press Rewind 2 times.
    • Press Fast Forward 2 times.
  3. The device will take about 15 – 30 seconds to clear the cache, and then the device will restart.

Adjust Video Refresh Properties 

While it may seem counter-intuitive, tweaking your video settings might actually work in syncing your audio back to normal.

Audio can sometimes desync if your Roku is constantly having issues with buffering. 

Normally, your Roku device will pick the best bit rate that matches your network speed to give you the best viewing experience. However, sometimes you will need to adjust it manually.

To do this, follow these steps:

  1. On the Roku remote, press the Home button five times.
  2. Press the reverse button three times.
  3. Press the Fast Forward button two times.
  4. A Bit Rate Override menu will appear on your screen. Select the Manual Selection option.
  5. Try selecting a lower rate and see if it fixes your problem. If it doesn’t, you can repeat the sequence and select an even lower bitrate until the issue is resolved.

Reset Your Roku

If none of the above solutions worked for you, the only thing left for you to do is to reset your Roku device to its factory defaults.

However, it is essential to remember that you will lose all your saved settings and customizations and you will have to set it up again.

To reset your Roku device:

  1. Press the Home button on your Roku remote.
  2. Scroll up or down to find Settings.
  3. Select System and go to Advanced System Settings.
  4. Select Factory Reset option.
  5. If you have a Roku TV, select Factory Reset Everything.
  6. Follow the on-screen instructions to finish resetting your device.

Final Thoughts

So there you have it. Unfortunately, audio desyncing is a common problem that a lot of Roku users experience. However, it is relatively easy to fix, as seen in the article above.

However, if none of these solutions worked for you, the only thing left to do is to contact Roku Customer Support.

Make sure that you mention all the different troubleshooting steps you took, as this will make it easier for the support team to assist you.

Additionally, if your warranty is still active, you may receive a replacement device.

Another thing to keep in mind while troubleshooting your Roku audio out of sync is that if you’re using a soundbar or an AVR, make sure that it is HDMI 2.0 compatible.

Else, you will have issues like this. In some cases, a simple forward-rewind action has also been known to solve the issue. So feel free to try that as well.

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Frequently Asked Questions

Does Roku have audio out?

Yes, the Roku TV comes with an optical digital audio output to connect to an external speaker or a soundbar. 

How do I connect Roku to external speakers?

You can connect your Roku device to an external speaker via an HDMI cable or an optical cable.

Alternatively, you can also connect your Roku to a Bluetooth speaker using the private listening option available on the Roku app on your smartphone.

How do I control the soundbar on my Roku remote?

Turn on your TV and navigate to settings. Select Audio, then go to Audio Preferences and select Audio Mode.

Under this, Select Auto (DTS). Next, return to the Audio menu, navigate to the S/PDIF option, and set it to Auto-Detect.

Next, return to the Audio menu again, select ARC, and set this to Auto-Detect as well.

Finally, go back to Settings, find the System menu, open CEC, and mark the checkbox next to ARC (HDMI).

Can Roku stream HD audio?

Yes, Roku can stream HD audio. The Roku Express streams pictures and audio in HD quality while the Roku ultra streams in 4K.


It’s one thing for subtitles to go all Usain Bolt on you and spoil the story, but it’s another thing for your audio to get ahead of the video or vice versa. Subtitles can be turned off. But watching your favorite TV show on mute? That’s not really an option now, is it?

Roku Video and Audio Not in Sync – What to Do

If you’re using a Roku TV or a Roku streaming stick, you’re not desync-proof. Bad stuff happens with any streaming service, receiver, and OS. Here are a couple of things that might help you fix the issue before deciding that Roku’s no good.

Change Roku Audio Settings

Roku devices have a very annoying default feature that can sometimes cause audio lag. It’s called the Auto Detect feature. This feature purportedly detects the audio decoding capabilities of the device and any sound bar or AVR setup you may have. But, most often than not, it’s not working as it should.

  1. Go to your Roku Home screen.
  2. Select Settings.
  3. Go to Audio.
  4. Select a different setting like HDMI or Stereo.
  5. Also check the PCM feature, if it’s available.
    roku generic

Common Netflix Audio Video Desync

Sometimes, you may experience audio lag only on certain streaming platforms. Netflix and Hulu tend to be the top contenders most of the time, with Netflix pretty much edging Hulu for the top spot. Here’s what you can try to fix the Netflix audio.

  1. Launch the Netflix channel.
  2. Start a video.
  3. Select the Audio and Subtitles menu.
  4. Select English 5.1 from the list.

This is also something that you can try for other platforms too. But this fix will only work if the platform you’re using can override the device’s audio settings. Netflix does. Not many others do.

Check the Connection

Are you trying to watch something in 4K but keep running into audio desync? This can often happen if you’re not using a premium quality cable. Upgrade your cable to ensure the integrity of the signal transfer.

roku video

Note that if you’re using a Roku Streaming Stick+, you won’t need a cable. Just make sure that your TV can support HDMI 2.0 or HDCP 2.2 connections.

What If You’re Using a Sound Bar or AVR?

If you’re using something other than your TV to project sound, then you’ll also have to make sure that your sound bar or sound system are also compatible with HDMI 2.0. Any inconsistencies in this configuration and you could get audio lag, no audio at all, or worse – a lower resolution than what you’re aiming for.

For Non-Roku TV Users

Audio lag is something you can experience even if you’re not using a dedicated Roku smart TV. Say you’re using a regular LG or Samsung smart TV. How can you fix audio lag? – Tinker with the settings on your device.

Changing the Roku audio settings is one thing. But, if your TV isn’t properly calibrated, any changes to the Roku audio settings may be done in vain. Check your device’s sound out or sound mode settings and see if everything there line’s up with what you’re using.

For example, if you’re listening through an optical connection sound bar then make sure the sound mode is set to an optical setting. If you’re using the TV speakers, make sure to check the TV speaker option or internal TV speaker option.

You should keep in mind that sometimes a firmware update on a smart TV can revert the device’s settings back to default. Hence, why sometimes audio lagging comes out of nowhere.

Could Your Bandwidth Be Responsible for Audio Lag?

Some bandwidth is always necessary, especially when streaming in high resolution. If you’re thinking 2k or 4K streaming, it’s best to have a bandwidth of at least 25 Mpbs.

bandwidth generic

But, even on a smaller bandwidth, you can always start a movie or episode, pause it, and let it load for a while before starting to watch it.

When you don’t have enough bandwidth, what usually happens is that your video will load very slowly. But, both audio and video load at the same time. You shouldn’t experience anything along the lines of seeing video with laggy audio or the other way around. Don’t be too quick to scream at your provider because of audio lag.

Bonus Tips and How to Narrow Down the Issue

One thing you have to keep in mind is that the problem won’t always be on the user end. Audio sync issues can be coming from the host. For example, if you can watch thirty channels in impeccable quality and only one of them is acting up, then the problem is unlikely caused by your Roku device or any settings on your end. Again, see the Netflix issue previously mentioned.

sound bar generic LG photo

If you’re using a receiver or a sound bar and you’re experiencing audio or video lag constantly, try removing the sound bar from the equation and set your device on internal speakers. If it goes away, then your sound bar may be in fact incompatible with your Roku device.

Input Lag

Input lag is an issue that doesn’t only plague gamers. Try putting your TV in game mode or try watching something in a lower resolution. Game mode is designed to lower the picture quality and improve the visual response time.

If one of those two things fixed the problem then the issue isn’t with your Roku streaming stick but rather the TV’s inability to process high resolution videos and decode high quality audio signals.

Take It One Step at a Time

As you can see, there are many reasons why your audio, video, or both can be out of sync badly when you’re watching something on a Roku-enabled device. Sometimes a rewind, fast-forward, pause, and play action on the remote may be enough to fix things. But, even if that’s not enough, there’s a lot of troubleshooting you can do on your own.

However, the big question is, how often does this really happen? Have you experienced audio video sync problems on Roku smart TVs or on other TVs with a Roku stick attached? Have you noticed certain channels apart from Netflix that constantly show signs of incompatibility with Roku? Let us know in the comments section below.


Out sync audio tcl of

The picture of your TCL TV is certainly the most important aspect of its functionality. Just as important though, is the sound accompanying that picture. What do you do if the sound on your TCL TV is not working?

If your TCL TV sound is not working, not syncing, won’t turn, or stays up and down check to see that your remote is working, turn the ‘Volume Mode’ off, confirm the audio settings, disable the speaker sound and install a soundbar, or control the sound through the Roku app on your smart device.

Remote pointed at TV

When the picture of your TCL TV is working in perfect order, you may be thinking you could want nothing more. That is until the sound is no longer functioning properly, which can be just as big of an issue as the picture malfunctioning when it comes down to it. IF you are having problems with your TCL TV sound not working, not syncing, not turning, or staying up or down, continue reading to find your problem with a solution attached to it.

TCL Sound Not Working/Stopped Working

Man watching TV on sofa

If you have a general problem of your TCL sound not working or it simply stopped working out of nowhere, it may feel like one of those issues that is going to cost some serious time and money. Before you bring in the experts though, try a few different troubleshooting methods to see if you can resolve the issue on its own. For many owners, the problem is typically rather obvious and simplistic, it just takes a bit of digging to discover.

If your TCL Sound is not working or has randomly stopped working, you want to first check your remote. For those TVs that have a Roku remote controller, there is a mute button which is located on the side, but it is rather small. Even with its small size, it is very easy to push and this is sometimes one of the biggest reasons that owners are experiencing problems with their sound not working.

If the mute button is not your problem, check to see if the channel you are on is causing the problem by switching to a different station of application. If this is not the issue, be sure that the HDMI connection on the back of your TV is very secure and that any other device connected to your TV is secure as well. Any loose cords can easily interrupt the audio of your TCL TV.

TCL TV Sound Doesn’t Match Picture

Couple sitting on sofa with man holding TV remote

Not having sound on your TCL TV is a huge inconvenience, but when it comes to frustrating situations that nearly make you want to crawl out of your skin, there are few things worse than the sound not matching properly with the picture. For most TCL TV owners, when the sound does not match, it is usually lagged behind the picture, causing the mouths and scenes to move faster than the audio output.

If your TCL TV Sound doesn’t match the picture, the problem may exist due to the ‘Volume Mode’ on your TV being turned on. To turn the “Volume Mode’ off, simply press the ‘*’ symbol on your remote control and go directly to the ‘Volume Mode’ setting. Once you are there and you notice that this setting is turned on, simply select the option to turn it off and your audio sync problem should be fixed.

If the volume mode on your TV is already turned off, then you know this is not the problem. If you are using a soundbar, turn off the soundbar and allow it at least 60 seconds to be off before turning it back on. If you are not using a soundbar, try completing a power cycle by unplugging your TV directly from the power source, allowing it to sit unplugged for 60 seconds, then plugging it back in.

TCL TV Doesn’t Have Sound/Keeps Losing Sound/Sound Not Working

TV remote changing channels

When you turn on your TCL TV and there is no sound, or it keeps losing sound, or the sound simply is not working, there are a few different solutions you can troubleshoot with to get the sound back in working order. Be sure to first make sure that the volume level is not set to (0) or that the TV is muted. To check this, you can either press the mute button on your remote or simply increase the volume level on the right side of the remote.

If your TCL TV doesn’t have sound, keeps losing sound, or the sound is not working and the volume is not the issue, confirm your TV’s audio settings. To do this, press ‘Home’ on your remote control > select ‘Settings’ > select ‘Audio’ > scroll and select ‘Audio Mode’ > scroll and highlight ‘Audio (Stereo)’ > then press ok to confirm your settings.

TCL TV Sound Won’t Turn Down/Up

Man sitting on white sofa and watching TV

When you are in the middle of an action-packed movie, there is nothing better than getting a total theatre effect by increasing the volume to a point that you can nearly feel it in your bones. Just the same, on a lazy Saturday afternoon, there is no need for the relaxing music you are playing to be set at 80, as a lower volume is more appropriate. What do you do then if your TCL TV sound refuses to turn up or down?

If your TCL TV sound won’t turn up or down, check to see if it is an issue with your remote or your control board. To do this, turn your TV off, and then, on the TV press the volume (-) button down as you turn the TV on. When the TV is turned on, if you don’t notice an automatic increase in the volume, then your remote button is stuck. If you do notice an automatic increase, then an issue within your control panel exists.

TCL TV Volume Keeps Going Up/Down

Bored man sitting on sofa scrolling through the TV channels

Perhaps even worse than the volume of your TV being stuck either too loud or too quiet is the problem of the volume randomly going up or down on its own. If you are sitting on the couch without even touching the remote and the volume randomly begins to increase, this can not only cause a quick scare, but it can also reach levels so high that you are unable to even be in the same room. What do you do if this problem persists for your TCL TV?

If your TCL TV Volume keeps going up and down, be sure that your remote is not the culprit by replacing the batteries to see if this stops the increase or decrease. If this is still happening, check to make sure that the Roku phone application is not being hit as you watch TV as volume can be controlled from here. You can also install a soundbar and disable the sound in your TV speakers to isolate the issue.

TCL TV Audio Keeps Cutting Out

Couple watching TV in the living room

If the volume on your TV is working, but all of the sudden it begins to cut out, this can leave you missing out on important scenes, beautiful melodies, and even more, leaves you wondering what exactly is causing such a sporadic issue. If your TCL TV audio keeps cutting out, read below to find a few solutions to such a problem.

If your TCL TV audio keeps cutting out, one of the most common problems is a loose cord on the back of your TV. Be sure that every cord is securely inserted into the TV so that your audio doesn’t experience interference. If this is not the problem, a reset of your Roku may be needed. To do this press the ‘Home’ button on your remote > ‘System’ > ‘Power’ > ‘System Restart’ > ‘Restart’ > ‘OK.’

TCL TV Sound Not Working in Apps

Smart TV apps

The beauty of a TCL TV is that you can just as easily watch cable or satellite TV while having the same quick accessibility to a multitude of different apps. If you are watching TV by either cable or satellite and have no trouble with volume, but once you switch to an app you find that the sound is no longer working, you’re left wondering what on earth could cause such an isolated problem.

If your TCL TV sound is not working when you are in apps, this may not be a problem necessarily with the volume, but with the firmware on your TV. This means that your TV may be in need of a firmware update to help resolve any glitches that are causing widespread problems with your application. To complete a firmware update press ‘Home’ > ‘Settings’ > ‘System’ > ‘System Update’ > ‘Check Now’ > then update.

How to Turn Up the Volume on TCL TV Without a Remote

Watching TV with a cup of coffee on lap

There are so many times when owners find themselves searching profusely for the remote control to their TCL TV to no avail, no matter how persistent their efforts are. When this happens, they are in need of a solution to not only get the TV on and change the channel, but to control the volume. What do you do if you cannot find your remote (or your remote is not working) and you need to turn the volume up?

To turn the volume up on your TCL TV without a remote and there are buttons on the bottom or back of the TV, simply press the (+) button on the remote to turn the volume up. If there are no buttons on your TV, you can install the Roku app on your smartphone by which you will be able to control the volume of your TV from. If you do not have a smartphone, a new remote will need to be purchased to turn up the volume.

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TCL TV Remote Not Working


How to fix the annoying audio delay on your soundbar

If you’re unsatisfied with the quiet, tinny sound coming from your TV’s speakers, a soundbar can seriously improve your movie-watching experience. But while most soundbars are space-efficient and easy to hook up, they still have an occasional quirk or two—most notably an audio delay that causes audio and video to be out of sync with the mouths moving on screen. We’ll walk you through how to fix the audio delay in your soundbar.

How your TV and soundbar get out of sync

I’ve tried and reviewed countless TVs and the best soundbars, and audio delay is an extremely common issue. Many people jump to blame a certain brand or model of soundbar, but it’s not always that simple. Frequently, this delay is inherent to how TVs and soundbars decode audio.

“It is a complicated problem,” explains Allan Devantier, vice president of audio research and development at Samsung. “You’ve got all these different formats for audio, so there’s a large amount of number-crunching the TV has to do to unpack it all.”

Specifically, when you watch a Blu-ray or stream a movie on Netflix, that audio is encoded in a certain format—like DTS or Dolby Digital. When that signal is sent to your TV or soundbar, the device has to decode the audio in order to play it over your speakers, and that process takes time. We’re talking milliseconds, usually, but time nonetheless—and higher bitrate formats (like multi-channel Dolby Atmos) might take longer than a low-bitrate stereo track, leading to a more noticeable delay.

If you’re playing that audio on your TV’s speakers, your TV is doing all the unpacking, so it can hold off on sending both the video and audio until the process has finished. But when you introduce another product—like a soundbar—your TV might decode the video while your soundbar decodes the audio. If the TV doesn’t know exactly how long your soundbar will take, it may send the video before the soundbar has finished, leading to a disastrous mismatch of the mouths on screen. Couple that with any other processing you’re doing—like motion smoothing on your TV, or “virtual surround”-type features on the soundbar—and you’re basically guaranteed out-of-sync dialogue. Manufacturers try to fix this audio delay problem on their own, but there’s only so much they can do.

“We analyze all the different variations of streams that can come in, and calculate a best guess of how we should delay the audio and video to keep it synced,” says Devantier. “But it can only be an estimate.” He also tells me their calculations assume a Samsung soundbar, so you may notice more of a delay if you use products that weren’t designed to work together.

All hope is not lost, though. There are a few things you can do to combat this challenge, even if you don’t have brand-matched gear. After hours of testing with countless soundbars for TV over the years, here are a few ways on how to sync audio and video that I’ve found.

Adjust the audio delay on your TV or soundbar

Let’s start with the obvious: many TVs and soundbars have a built-in “audio delay” or “lip sync” setting that aims to play the two in tandem. You’ll find this in the audio settings of your TV and/or soundbar, and if you’re lucky, adjusting it a few notches may fix the problem.

Unfortunately, many TVs and soundbars only allow you to adjust it in one direction: delaying the audio. But if your audio and video are out of sync because the audio is behind the video—i.e. already delayed—delaying it further obviously won’t help. Ideally, your TV or soundbar would offer a negative delay, sending the audio a few milliseconds earlier (or the video a few milliseconds later). Many devices I’ve tested—including the LG TV, Vizio TV, Vizio soundbar, and Samsung TV I own—do not allow adjustment in both directions, which makes the feature all but useless against audio delay. To their credit, though, Devantier tells me Samsung has done a lot of work on this problem over the past few years, and 2020 models now have the ability to adjust its delay in both directions—though I haven’t yet tested its efficacy myself.

If you’re lucky, your streaming box or Blu-ray player might have its own audio adjustment feature. This is less common, in my experience, but it’s worth a shot. If none of these lip sync features solve the problem, though, you’ll have to get a bit more creative to fix the audio delay.

Turn off audio and video processing

Dig through your TV and soundbar’s settings for any features that alter the video and audio in some way. In particular, look through your soundbar’s menu for equalizer settings, presets like “movie” and “sports” mode, dialogue enhancers and volume levelers, or features like “virtual 3D” surround sound. Turn them all off, and you should find the delay is much smaller, if not eliminated. All those features require processing on the part of your device, which takes a few milliseconds of time.

Change the audio format on your TV

In my experience, this lip sync problem is most common when sending audio from your TV to your soundbar using HDMI ARC or optical out. Your TV sends the audio to the soundbar, the soundbar takes a moment to unpack the signal, and sends it out after the corresponding video has reached your eyeballs.

However, your TV may be able to do this audio unpacking process itself—taking the load off your soundbar and allowing the two to stay in sync. In your TV’s audio settings, see if you can change the audio format to PCM instead of Dolby Digital, bitstream, or passthrough. I’ve found this fixed the audio delay on all my TVs.

However, this does come with its own downsides. Some TVs can’t decode certain formats, like DTS or Dolby Atmos, which means this trick won’t work on movies encoded in those containers. It also could mean you lose multichannel audio—if your soundbar only contains two speakers, that’s fine, but if you have a 3.1 or 5.1 soundbar, you’ll lose your surround sound, which makes this solution a non-starter.

Related:The Sennheiser AMBEO Soundbar raises the sound bar for all-in-one setups

Plug your source into the soundbar instead of the TV

The best solution, in my opinion, is to re-configure how your soundbar and TV are connected. If your Roku is connected to your TV, which then sends audio to your soundbar over HDMI ARC or optical, you’ll have to use the above (often imperfect) solutions to mitigate the delay. But if you plug your Roku into the soundbar, then pass video through the soundbar to the TV over HDMI, any delay caused by audio processing will disappear—because your soundbar will wait to send the video to the TV until all its work is done unpacking the audio. (This may introduce a video delay instead, if your TV is doing its own processing, like motion smoothing, but you can use the lip-sync feature on your soundbar to delay the audio to match.)

Despite being the ideal audio delay fix, I mention this last because it comes with one big downside: most soundbars don’t have many inputs. In fact, most affordable soundbars only have one HDMI In port, which means if you have a Roku, a Blu-ray player, and a game console, you won’t be able to plug them all into the soundbar at the same time (unless you use an HDMI switcher, which just introduces more wires and complexity). It also doesn’t work if you use your TV’s smart apps to watch Netflix, or if you watch local channels on an antenna plugged into your TV—in those circumstances, there’s no external box to plug into the soundbar, so you’re forced to route audio to the soundbar over delay-inducing HDMI ARC or optical.

You can see how such a simple thing gets complicated quickly. If you’re lucky, your TV or soundbar will be one that allows the lip sync feature to adjust in both directions—or at least you’ll have a higher-end soundbar with enough inputs for all your devices. If not, you’ll have to play around with the above tweaks to get things close enough.


Now discussing:

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