I noticed one of my videos on YouTube from 2014 is no sound . When I uploaded it, the sound worked flawlessly. I turned on another YouTube video - the sound works. I turned on Winamp - the sound works. I sent a link to a friend to check - he says that he also has no sound, and YouTube sometimes...

It depends whether you have Flash or are using HTML5, but generally you need to reinstall a few things. There are some topics on the internet:

As I wrote, there is a problem on the computer and browser side. And not missing codecs. Try Firefox again, and wonder if you have Opere ?! and you don't have Firefox. Look for the problem in your browser settings, not your computer.

Have you checked on your phone, TV and other devices with a dedicated YT application?

I just checked on the cell phone (iPhone) and the sound is amazing. I don't understand any of this. What is the conclusion?

That you have a problem with your computer's codec.

What is the procedure in case of codec problem ?

You do not need to install any codecs. Videos on YT if accepted and can be exported to the server, all responsibility for playback is taken by the player be it Flash or HTML server. It is different if the movie has been downloaded to a computer and does not work on it. My friend @szachinista download your movie on HDD (from the browser position and not the admin panel) and try to play it (just as you downloaded it) using the basic windows media player. And check it out. Another thing, you usually have 3 browsers to choose from, even 4, IE, Edge, Chrome and Firefox. Have you checked if there is no sound in all of them? If not, start with it. And yes? It's not how I use it, but how it is delivered to me. It is me who installs the player on my website so that the client can watch the movie, I am the SUPPLIER who decides whether it will be Flash or HTML and generally YT has not used Flash for 2 years. Therefore, a person watching a movie does not have to install anything. Otherwise the movie would be downloaded as a file.

@anmedia 1. I downloaded this youtube.omat video to my computer in * .mp4 format and there is sound . 2. The sound does not work in Chrome 66 and Opera 52. In incognito mode on Chrome also does not work. In IE 11 the sound is . @sanfran I used your link. I don't know how it happened, but when I checked it was on my computer Adobe Flash Player 10 ActiveX and 29 PPAPI . I uninstalled 10. I reinstalled 29. I cleared cookies and cache + application data. It didn't help on Chrome. I scanned the computer for viruses. Purely. AdBlock Plus is disabled for YouTube. I didn't find the answer to my problem in Chrome Help Any ideas yet?

@anmedia I checked FF 59 64-bit and the voice works there. I have missed the Chrome settings, but I have not found any place that could cause sound or YT support issues. I will use Firefox in that case and I think that there is no more to delve into the topic. Thanks for help gentlemen !!

I think that since you have this problem and you will find a solution it would be worth to describe it here. As far as I remember there were several topics with the same problem. Therefore, if you have time, please go to the settings of browsers that did not play sound and check if the settings are similar to those in the photo below. This is an image scan from firefox, but the rest of the browsers like Chrome have similar mechanisms. So maybe during the security settings some options have just been turned off

For me on FF it looks like this: Unfortunately, Chrome did not find anything related to: applications, programs, avi or mp4 After entering files I found the cookie settings, but everything is fine. I deleted the cookies and cache again. I agreed to the YouTube privacy policy. I logged in to youtube. Nothing helped. Youtube notifications are blocked. The full youtube site settings now look like this: With sound Allow = Allow (default) Security settings look like this: In Advanced Settings -> Content Settings -> Sound everything was ok. Adding youtube to the allowed ones did not help: Everything is ok in the sound mixer (sometimes I connect headphones that are now invisible on the screen): I have reset all Chrome settings. It did nothing. Now I see that subsequent videos don't work - those that I've visited before ! When I go to the main and switch on a random video, the sound is there. In the meantime I was looking again how to restore sound in chrome and I came here: Unfortunately, it is no longer possible to preview and edit plugins in Chrome, because from 2017 (Chrome 57; my version is Chrome 66) this option is not available. In step two, there is a hint to disable Flash. Did not help. I will try to uninstall and install Chrome, but I can't believe it will help.

Pay attention to the window you have placed (firefox) and you see that you do not have the extension to audio video files and the browser plays. However, please note that you have active DRM look for it in Chrome. What's one got to do with another. Flash to Flash a player HTML to player HTML. Their operation is different and disabling Flash will do nothing, this completely different YT player uses only HTML5 and if it does not play Chrome, this is its internal problem. I had one more idea. Start Chrome and go to YT. Start the video and now check the mixer settings if Chrome is not set to minimum in this case. Then plug in the headphones and check if there is any sound either.

YouTube Sound Issue: Videos from 2014 Losing Audio - Troubleshooting Tips & Reporting Options

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#1 17163500 12 Apr 2018 12:12

szachinista szachinista

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Post #1
17163500 12 Apr 2018 12:12

I noticed one of my videos on YouTube from 2014 is no sound . When I uploaded it, the sound worked flawlessly.

I turned on another YouTube video - the sound works.
I turned on Winamp - the sound works.
I sent a link to a friend to check - he says that he also has no sound, and YouTube sometimes turns off the sound in some videos.
More than 1 of my videos have no sound. Some have.
I went to the options "Movie" and "Report", but there is no option to report sound failure. You can only subtitle, but there is no option to comment on the application.

I entered my profile in the given movie in the "Sound" tab.
My voice can be heard there. There is no background music in the background, so blocking for copyright reasons is out .
I restored original recording . It did not help - I checked after waiting for the end of the movie.

I ran out of ideas, and in google I didn't find the answer to my problem.

I searched under the phrases:
no sound on youtube
no sound in youtube movies
youtube turned off the sound in my video

I entered the "Help" section at YouTube and there I didn't find the answer to my problem.
I left them a question, but I don't know if they'll reply.
If anyone knows the subject, please help.
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#2 17163520 12 Apr 2018 12:24

sanfran sanfran

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Post #2
17163520 12 Apr 2018 12:24

Have you checked on your phone, TV and other devices with a dedicated YT application?
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#3 17171810 16 Apr 2018 22:23

szachinista szachinista

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Post #3
17171810 16 Apr 2018 22:23

I just checked on the cell phone (iPhone) and the sound is amazing.

I don't understand any of this. What is the conclusion?
#4 17171843 16 Apr 2018 22:31

sanfran sanfran

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Post #4
17171843 16 Apr 2018 22:31

That you have a problem with your computer's codec.
#5 17172421 17 Apr 2018 11:09

szachinista szachinista

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Post #5
17172421 17 Apr 2018 11:09

What is the procedure in case of codec problem ?
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#6 17172452 17 Apr 2018 11:31

sanfran sanfran

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Post #6
17172452 17 Apr 2018 11:31

It depends whether you have Flash or are using HTML5, but generally you need to reinstall a few things.

There are some topics on the internet:
https://blog.fonepaw.com/fix-no-sound-on-youtube-videos.html
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#7 17172716 17 Apr 2018 14:13

Anonymous Anonymous

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Post #7
17172716 17 Apr 2018 14:13

sanfran wrote:
That you have a problem with your computer's codec.

You do not need to install any codecs. Videos on YT if accepted and can be exported to the server, all responsibility for playback is taken by the player be it Flash or HTML server. It is different if the movie has been downloaded to a computer and does not work on it.

My friend @szachinista download your movie on HDD (from the browser position and not the admin panel) and try to play it (just as you downloaded it) using the basic windows media player. And check it out.

Another thing, you usually have 3 browsers to choose from, even 4, IE, Edge, Chrome and Firefox. Have you checked if there is no sound in all of them? If not, start with it.

sanfran wrote:
It depends whether you have Flash or are using HTML5, but generally you need to reinstall a few things.

And yes? It's not how I use it, but how it is delivered to me. It is me who installs the player on my website so that the client can watch the movie, I am the SUPPLIER who decides whether it will be Flash or HTML and generally YT has not used Flash for 2 years. Therefore, a person watching a movie does not have to install anything. Otherwise the movie would be downloaded as a file.
#8 17179228 20 Apr 2018 21:58

szachinista szachinista

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Post #8
17179228 20 Apr 2018 21:58

@anmedia

1. I downloaded this youtube.omat video to my computer in * .mp4 format and there is sound .
2. The sound does not work in Chrome 66 and Opera 52. In incognito mode on Chrome also does not work. In IE 11 the sound is .

@sanfran

I used your link.
I don't know how it happened, but when I checked it was on my computer Adobe Flash Player 10 ActiveX and 29 PPAPI .
I uninstalled 10. I reinstalled 29.
I cleared cookies and cache + application data. It didn't help on Chrome.

I scanned the computer for viruses. Purely.
AdBlock Plus is disabled for YouTube.

I didn't find the answer to my problem in Chrome Help
https://support.google.com/chrome/search?q=d%C5%BAwi%C4%99k%2Byoutube&count=32

Any ideas yet?
Helpful post

#9 17181067 21 Apr 2018 22:49

Anonymous Anonymous

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Helpful post
Post #9
17181067 21 Apr 2018 22:49

szachinista wrote:
I downloaded this youtube.omat video to my computer in * .mp4 format and there is sound.

As I wrote, there is a problem on the computer and browser side. And not missing codecs.

szachinista wrote:
The sound does not work in Chrome 66 and Opera 52. In incognito mode on Chrome also does not work. In IE 11 the sound is.

Try Firefox again, and wonder if you have Opere ?! and you don't have Firefox. Look for the problem in your browser settings, not your computer.
#10 17183163 23 Apr 2018 09:06

szachinista szachinista

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Posts: 8
Board Language: polish
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Post #10
17183163 23 Apr 2018 09:06

@anmedia

I checked FF 59 64-bit and the voice works there.
I have missed the Chrome settings, but I have not found any place that could cause sound or YT support issues.

I will use Firefox in that case and I think that there is no more to delve into the topic.
Thanks for help gentlemen !!
#11 17184712 23 Apr 2018 21:55

Anonymous Anonymous

Level 1

» |

Post #11
17184712 23 Apr 2018 21:55

szachinista wrote:
I will use Firefox in that case and I think that there is no more to delve into the topic.

I think that since you have this problem and you will find a solution it would be worth to describe it here. As far as I remember there were several topics with the same problem. Therefore, if you have time, please go to the settings of browsers that did not play sound and check if the settings are similar to those in the photo below.

This is an image scan from firefox, but the rest of the browsers like Chrome have similar mechanisms. So maybe during the "security" settings some options have just been turned off
#12 17187113 25 Apr 2018 09:15

szachinista szachinista

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Posts: 8
Board Language: polish
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Post #12
17187113 25 Apr 2018 09:15

For me on FF it looks like this:

Unfortunately, Chrome did not find anything related to:
applications, programs, avi or mp4

After entering "files" I found the cookie settings, but everything is fine.
I deleted the cookies and cache again.
I agreed to the YouTube privacy policy.
I logged in to youtube.
Nothing helped.

Youtube notifications are blocked.
The full youtube site settings now look like this:

With sound Allow = Allow (default)

Security settings look like this:

In Advanced Settings -> Content Settings -> Sound everything was ok.
Adding youtube to the allowed ones did not help:

Everything is ok in the sound mixer (sometimes I connect headphones that are now invisible on the screen):

I have reset all Chrome settings.
It did nothing.

Now I see that subsequent videos don't work - those that I've visited before !
When I go to the main and switch on a random video, the sound is there.

In the meantime I was looking again " how to restore sound in chrome "
and I came here:
http://www.coreblog.pl/jak-przywrocic-dzwiek-w-przegladarce-chrome/

Unfortunately, it is no longer possible to preview and edit plugins in Chrome, because from 2017 (Chrome 57; my version is Chrome 66) this option is not available.

In step two, there is a hint to disable Flash. Did not help.
I will try to uninstall and install Chrome, but I can't believe it will help.
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#13 17188323 25 Apr 2018 21:12

Anonymous Anonymous

Level 1

» |

Post #13
17188323 25 Apr 2018 21:12

Pay attention to the window you have placed (firefox) and you see that you do not have the extension to audio video files and the browser plays. However, please note that you have active DRM look for it in Chrome.

szachinista wrote:
In step two, there is a hint to disable Flash.

What's one got to do with another. Flash to Flash a player HTML to player HTML. Their operation is different and disabling Flash will do nothing, this completely different YT "player" uses only HTML5 and if it does not play Chrome, this is its internal problem.
I had one more idea. Start Chrome and go to YT. Start the video and now check the mixer settings if Chrome is not set to minimum in this case. Then plug in the headphones and check if there is any sound either.
#14 17195440 30 Apr 2018 09:02

szachinista szachinista

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Posts: 8
Board Language: polish
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Post #14
17195440 30 Apr 2018 09:02

I don't know how flash is to HTML. I tried everything I could think of.

I turned on YT and previewed the sound mixer in the lower right corner.

All half icons, including the one from Chrome, work fine. You can even see the green bar rising and falling, but there is no sound in the loudspeakers or in the headphones connected afterwards (I changed it to "Device" for headphones).

However, the whole thing is annoying.

When using Twitter, where the video contains a video, I can't hear audio in Chrome.
On the rmf24 website, however, one youtube video played back to me, and the other one did not!
http://www.rmf24.pl/kultura/news-metallica-za...e-hit-zespolu-dzem-posluchaj-nies,nId,2575513

and I haven't seen the other one before.
In that case, I don't know what the criterion is when the movie will work and when it won't.
I thought Chrome was sticking to those movies I've seen ...
#15 20186783 12 Sep 2022 18:55

nataliaszafranska22 nataliaszafranska22

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Post #15
20186783 12 Sep 2022 18:55

I have the same sound on youtube, even at the zoom I couldn't participate because there was no voice. . .
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Topic summary

✨ The discussion revolves around a user experiencing audio issues with YouTube videos uploaded in 2014, where some videos have sound while others do not. The user confirmed that sound works on other devices and applications, indicating a potential issue with the computer's codec or browser settings. Various troubleshooting steps were suggested, including checking sound settings in different browsers (Chrome, Firefox, Internet Explorer), reinstalling Adobe Flash Player, and ensuring that sound is not muted in the system mixer. The user found that sound worked in Firefox but not in Chrome, leading to the conclusion that the problem lies within the browser settings rather than the video files themselves. The conversation highlights the importance of checking browser configurations and sound settings to resolve playback issues.
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FAQ

TL;DR: Two years after YouTube dropped Flash, "you do not need to install any codecs"—fix Chrome/Opera sound via browser settings, not codec packs. Test in another browser or device to confirm the file’s audio exists. [Elektroda, Anonymous, post #17172716]

Why it matters: For YouTube creators and viewers, this restores audio fast without re‑encoding or re‑uploading videos.

Quick Facts

YouTube’s player defaults to HTML5 on modern browsers; Flash settings won’t affect audio. “Flash and the Future of HTML5”
In one case, Chrome 66 and Opera 52 were mute while IE 11 had sound. [Elektroda, szachinista, post #17179228]
Firefox 59 (64‑bit) played the same YouTube videos with audio on the same PC. [Elektroda, szachinista, post #17183163]
You don’t need extra codec packs to hear YouTube; playback is handled by the browser. [Elektroda, Anonymous, post #17172716]
Mobile test: the same video had audio on iPhone, indicating a desktop/browser issue. [Elektroda, szachinista, post #17171810]

Why do some YouTube videos have no sound in Chrome but work in other browsers?

This points to a browser‑side issue, not the video. On one PC, one of three browsers played audio while two didn’t. Symptoms match site‑level muting, output device mismatch, or Chrome profile corruption. Confirm by testing in Firefox or IE and by playing the downloaded MP4 locally. If other browsers work and the local file has audio, focus on Chrome/Opera settings and audio routing, not re‑uploading or re‑encoding. [Elektroda, szachinista, post #17179228]

How do I quickly verify it isn’t the video itself?

Download the YouTube video and play it in a local player. If the MP4 has sound, the uploaded content and audio track are fine. Then compare playback across browsers on the same machine. If Chrome and Opera are silent while IE or another browser has audio, the issue is browser‑specific. This isolates the problem without changing your video or YouTube settings. [Elektroda, szachinista, post #17179228]

How do I unmute YouTube in Chrome and check Windows audio routing?

Try this:

In Chrome, click the padlock on youtube.com > Site settings > Sound: set to Allow.
Open Windows Volume Mixer; ensure Chrome isn’t muted and uses the correct output device.
Reset Chrome settings to default, then retest the same video. The thread shows site‑level Allow and a mixer signal with no audible output; resetting didn’t help there, indicating a deeper Chrome issue. [Elektroda, szachinista, post #17187113]

Should I install codecs or Flash to fix YouTube audio?

No. YouTube’s player handles playback via the browser. "You do not need to install any codecs." Flash isn’t used for YouTube playback here, so Flash updates won’t restore audio. Focus on browser permissions, profiles, and your OS audio output path instead. [Elektroda, Anonymous, post #17172716]

Why does sound work on my phone but not my PC?

A mobile success with a desktop failure indicates a desktop/browser configuration issue. The same video played with audio on an iPhone while Chrome on the PC stayed silent. That narrows troubleshooting to the desktop browser, extensions, and Windows audio routing rather than the YouTube video or channel. [Elektroda, szachinista, post #17171810]

Does Firefox play audio when Chrome doesn’t?

Yes, it can. In this case, Firefox 59 (64‑bit) played audio while Chrome and Opera didn’t. Using Firefox is a valid workaround while you diagnose Chrome. This also proves the YouTube video’s audio track exists, avoiding unnecessary re‑uploads or edits. [Elektroda, szachinista, post #17183163]

Why do I see green bars in the mixer but hear nothing?

That indicates Chrome is outputting audio to the wrong device or endpoint. Windows shows signal activity, yet speakers or newly connected headphones remain silent. Verify the default playback device and per‑app device in the mixer or Windows Sound settings. Switching devices mid‑playback can also misroute audio until the app is restarted. [Elektroda, szachinista, post #17195440]

I cleared cache and reset Chrome, but nothing changed—what next?

At that point, treat it as a Chrome‑specific fault. Try a clean Chrome profile or switch browsers to confirm. As one expert noted, "if it does not play in Chrome, this is its internal problem." That keeps you focused on browser fixes, not video editing. [Elektroda, Anonymous, post #17188323]

Is YouTube muting my video for copyright?

Not in this case. The creator confirmed only voice was present, and the Studio’s audio tab indicated audio existed. They also ruled out background music that could trigger muting. If you suspect a claim, check YouTube Studio for restrictions, but here copyright blocking was not the cause. [Elektroda, szachinista, post #17163500]

How can I report a YouTube sound problem?

The player’s Report option lacked a “sound failure” category in this case. The user went to Help and posted a question instead. Use YouTube Help > Send feedback or community support if the in‑player report doesn’t fit your issue. [Elektroda, szachinista, post #17163500]

Why are previously watched videos mute while new ones play?

This suggests a browser state or site‑data quirk. The user saw earlier‑visited videos go silent, while random new ones played. They cleared cookies, cache, and even reset Chrome without success. That points to a deeper profile or output‑routing problem rather than the video itself. [Elektroda, szachinista, post #17187113]

Do embedded players on other sites behave differently from YouTube?

They can expose the same browser issue. In Chrome, one embedded YouTube video played on a news site, while another didn’t. Twitter videos also lacked audio. That inconsistency strengthens the case for a browser‑side audio or permissions problem. [Elektroda, szachinista, post #17195440]

What if YouTube and Zoom both have no sound?

If multiple apps are silent, expand troubleshooting beyond the browser. Check Windows default device, per‑app audio routing, driver status, and privacy permissions. Once system audio works in Zoom, re‑test YouTube to confirm the fix applies across apps. [Elektroda, nataliaszafranska22, post #20186783]

Could an ad blocker cause YouTube to be silent?

Sometimes extensions interfere with media. In this thread, AdBlock Plus was already disabled for YouTube and didn’t affect the outcome. Still, disable all extensions for a quick A/B test. If audio returns, re‑enable extensions one by one to isolate the culprit. [Elektroda, szachinista, post #17179228]

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