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Firefox does not play sound despite being attributed to correct device. All other apps OK.

What the title says. Firefox just isn't playing any sound whatsoever. Troubleshooting: Volume mixer indicates that Firefox is using my speakers, along with all other… (read more)

What the title says. Firefox just isn't playing any sound whatsoever.

Troubleshooting:

  • Volume mixer indicates that Firefox is using my speakers, along with all other apps. When playing a YouTube video, the green bar is not bouncing. However, all other programs that play sound do so successfully and their green bars are bouncing (see attachment).
  • Other web browsers play sound successfully.
  • Restarting Firefox and my computer did not help.
  • Switching the default sound device and changing back did not help.
  • Changing to headphones made no change.
  • Tabs are not muted.
  • Autoplay settings in about:preferences showed that audio and video were disabled, however changing this setting to allow video and audio, then restarting both Firefox and the computer did not fix the problem. I have no idea how that setting was even changed to begin with. O_o
  • Started Firefox in troubleshooting mode; still no sound.
  • Started Firefox in a different profile; still no sound.
  • Started Firefox in private mode; still no sound.
  • Tried ending the audiodg.exe process in task manager and restarted; still no sound.
  • Double checked media.autoplay.blocking_policy, was set to 0.
  • Double checked media.block-autoplay-until-in-foreground -- changed from true to false, restarted Firefox; still no sound.
  • Disabled hardware acceleration; still no sound.
  • Refreshed Firefox; still no sound.
  • Complete uninstall, including the usage of BCUninstaller to uninstall "leftovers". Reinstalled. Still no sound.

I have Apollo installed on my computer and I've reached out to them before for similar issues, but the dev was insistent that Apollo does not cause sound issues. I'm somewhat sceptical, but they're not being helpful at all so I thought I'd ask here, and disclose usage of Apollo so that all bases are covered.

Thank you for your time.

Asked by Umbravita 4 days ago

Last reply by Umbravita 2 days ago

Playing Video in Firefox messes up my HDMI connection

Using Windows 10, an Nvidia GTX 1080, and a Panasonic VSX-40 receiver, connected by HDMI. I recently got a new stereo receiver and have been seeing problems with the HDM… (read more)

Using Windows 10, an Nvidia GTX 1080, and a Panasonic VSX-40 receiver, connected by HDMI.

I recently got a new stereo receiver and have been seeing problems with the HDMI connection. The the image becomes discolored and green at times and stays that way until the receiver is restarted or the input is switched off HDMI and back.

After extensive troubleshooting (replacing cables, updating drivers, testing to reproduce the problem) I have determined that Firefox is the issue.

Playing a youtube video or a twitch stream has a small chance of causing the error. Mousing over a tab with a video in it causes the error almost 100% of the time. The same videos and streams do not cause these problems in Google Chrome.

I have disabled hardware acceleration in Firefox settings and that has solved the issue, but now I have the problem that Firefox is not using hardware acceleration. It scrolls poorly and generally sucks to use this way.

Is there a way to change the way Firefox displays these videos without disabling hardware acceleration completely? Chrome renders them without causing issues, and I've been unable to trigger this error in any way outside of Firefox.

Asked by luis boisvert 4 days ago

WEIRD audio speed-up issue

I often listen to streaming audio over my AV system, when my TV/monitor is off. After I turn it on while listening, the audio speeds up! (This happens on various stream… (read more)

I often listen to streaming audio over my AV system, when my TV/monitor is off. After I turn it on while listening, the audio speeds up! (This happens on various streams, and YouTube, so it's not a particular site. It doesn't happen on another browser, so, apparently it's not my computer.) Is this just some bug?

Asked by Paul Kossa 4 days ago

Fade in audio effect when seeking forward or backward on Youtube

When I forward or backward a video on Youtube, using J, L keys, arrow keys or mouse click, or pause & unpause, there is this fade in effect on the sound. The volume i… (read more)

When I forward or backward a video on Youtube, using J, L keys, arrow keys or mouse click, or pause & unpause, there is this fade in effect on the sound. The volume isn't constant. Volume starts at low and it gradually increases. I don't have this issue on any other browser or application.

Asked by Eckee 3 days ago

No sound on specific websites e.g. democracynow.org

Using iOS on Mac Mini desktop, I get no sound on democracynow.org but on the iPhone the sound works fine. Most other streams/videos have fine sound but not imdb.com on t… (read more)

Using iOS on Mac Mini desktop, I get no sound on democracynow.org but on the iPhone the sound works fine. Most other streams/videos have fine sound but not imdb.com on the desktop with iOS but again, fine on the iPhone.

Asked by V Cubed 3 days ago

How can I get surround sound to work in Firefox?

Hi, I am in the process of migrating away from Chrome, and I am considering Firefox as my new daily browser. In Chrome, I was able to get surround sound playback through… (read more)

Hi,

I am in the process of migrating away from Chrome, and I am considering Firefox as my new daily browser. In Chrome, I was able to get surround sound playback through my major streaming services (e.g., YouTube, Netflix, Disney+, Spotify, etc.). As I recall, there wasn't anything specific I needed to do in Chrome to enable this. As long as I was listening through my 7.1 surround sound headset, it seemed to work. In Firefox, it seems that audio from all the listed streaming services plays in stereo mode. Is there a way I can get surround sound to work on this browser? I couldn't find any audio related settings or documentation about this issue.

Thank you.

Asked by simondaniel1099 3 days ago

Flickering artifacts 14.0.4 certain scale

Hello, I am having an odd issue where I see flickering bands of cyan/purple blocks whenever I scroll on a page with some video embeds. At first I thought it was related… (read more)

Hello,

I am having an odd issue where I see flickering bands of cyan/purple blocks whenever I scroll on a page with some video embeds. At first I thought it was related to refresh rates (240hz) as some pages flickers but it occurs at 60hz as well.


2560 X 1600 Resolution with 125% windows scaling

Steps to reproduce: 1) have settings above 2) navigate to https://store.steampowered.com/ 3) view a storefront with a video embed 4) zoom to 180% 5) scroll up and down past the video


Specs: 64GB Ram AMD RYZEN AI 365 Geforce RTX 5080

Asked by KimbapCheezits 2 days ago

Auto play video and audio

I keep telling Firefox that I do NOT (that's NOT!!!!!!!!!!!!!) want autoplay of either audio or video. Why do certain websites keep autoplaying audio? I DO NOT WANT IT!!!… (read more)

I keep telling Firefox that I do NOT (that's NOT!!!!!!!!!!!!!) want autoplay of either audio or video. Why do certain websites keep autoplaying audio? I DO NOT WANT IT!!!!!!!!!!!!! Please try to comprehend that I do ***NOT*** want to listen to that website's audio!!!

Asked by condorita1371 21 hours ago

Issue with Video Playback Performance on Firefox

Hi Mozilla Community, I’ve been experiencing some issues with video playback on Firefox, specifically on YouTube. Videos seem to always play in a choppy manner, no matte… (read more)

Hi Mozilla Community,

I’ve been experiencing some issues with video playback on Firefox, specifically on YouTube. Videos seem to always play in a choppy manner, no matter the quality settings. I’ve tried clearing the cache and updating Firefox, but the issue persists. I’ve also checked my internet speed, and it's stable, so I'm not sure where the problem lies.

Has anyone else faced this issue? Any suggestions on what might be causing the choppy playback or how to fix it?

To give some context, I was also recently looking at how efficient high-speed trains operate around the world, and came across a fascinating comparison of the top 10 fastest trains in India. Just like video streaming, maintaining high performance and smooth operation is key — it made me realize how even small optimizations in streaming might have a big impact on the experience.

I appreciate any help or insights from the community!

Thank you!

Asked by Fastest Trains 6 days ago