On Friday, 17 October 2025 13:15:28 British Summer Time Peter Humphrey wrote: > On Friday, 17 October 2025 11:24:49 British Summer Time Michael wrote: > > On Friday, 17 October 2025 01:41:45 British Summer Time Peter Humphrey > > wrote: > > > Greetings, > > > > > > Is anyone else having sound failure in Firefox? The control panel test > > > is > > > fine. > > > > > > I've tried several versions: esr and not; with and without clang; > > > firefox-bin; 140.3.1 and 140.4.0. Also with and without several add-ons > > > including uBlock origin and ghostery. > > > > > > The web has many tales of woe but few cures. > > > > I have no problem with sound output from Firefox compiled from source. I > > do not use pulseaudio, only pipewire with whatever might be its default> > > settings, on a Plasma desktop. These are my USE flags: > > Installed versions: 140.4.0(esr)^t(11:25:24 16/10/25)(X clang dbus > > > > gmp- autoupdate hwaccel jumbo-build openh264 system-av1 system-harfbuzz > > system-icu system-jpeg system-libevent system-libvpx system-pipewire > > system-webp wayland -debug -eme-free -gnome-shell -hardened -jack > > -libproxy > > -pgo -pulseaudio -selinux -sndio -system-png -telemetry -test > > -wasm-sandbox > > -wifi L10N="en-GB -ach -af -an -ar -ast -az -be -bg -bn -br -bs -ca > > -ca-valencia -cak -cs -cy -da -de -dsb -el -en-CA -eo -es-AR -es-CL -es-ES > > -es-MX -et -eu -fa -ff -fi -fr -fur -fy -ga -gd -gl -gn -gu -he -hi -hr > > -hsb -hu -hy -ia -id -is -it -ja -ka -kab -kk -km -kn -ko -lij -lt -lv -mk > > -mr -ms -my -nb -ne -nl -nn -oc -pa -pl -pt-BR -pt-PT -rm -ro -ru -sc -sco > > -si -sk -skr -sl -son -sq -sr -sv -szl -ta -te -th -tl -tr -trs -uk -ur > > -uz > > -vi -xh -zh-CN -zh-TW" LLVM_SLOT="20 -19") > > > > Some things to check: > > > > 1. Do you have sound when you use a media player? If yes, we can assume > > your system drivers, desktop and hardware is working as it should and the > > cause of the problem is with Firefox itself. > > I'll have to scratch around for some media to play.
https://www2.iis.fraunhofer.de/AAC/multichannel.html You can download any of these and see if your media player produces sound. Note, these are multichannel samples. Unless you have surround sound speakers some channels will be silent. > > 2. Have you checked if for some reason Kmix is muted for Firefox only? > > Not installed. I find Kmix useful for adjusting audio, muting, etc. > > 3. Are all audio codecs, streams, websites failing to play, or only some? > > Everything I've tried in firefox. > > > 4. Have you changed the default Permissions in Firefox? Did you try > > launching it with a new profile? > > Nope. > > > Take a look at settings under: Edit > Settings > Privacy & Security > > > Eh? Where is 'Edit'? If you right click on the top margin of the Firefox window you can enable the Main Menu, which will show the Edit submenu. It doesn't matter though, you can access the same with the 'hamburger' menu on the top right. > > then look at the settings for 'Speaker Selection' and 'Autoplay'. By > > default the 'Speaker Selection' is empty and 'Autoplay' is set to 'Block > > Audio' for all websites. > > Thank you all for your suggestions, which I've tried with no success.
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