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PulseAudio_Old - Ubuntu Wiki
https://wiki.ubuntu.com/PulseAudio_Old#:~:text=If%20you%20have%20no%20sound%20in%20Flash%2C%20and,sound%20card%20if%20it%20is%20not%2C%20install%20asound-gtk%3A
Ubuntu Linux: No sound at all in Firefox 65.0.1 | Firefox ...
https://support.mozilla.org/en-US/questions/1252773
All other apps (like Chrome, Spotify, and audio configuration sound test) sound fine. I've tried -safe-mode, re-installing, and removing duplicate Flash plugins. My /etc/hosts file is Xhosts, I've cleared the cache, pulseaudio is running, all pop-ups are allowed, Description: Ubuntu 18.10 Codename: cosmic Linux Who 4.18.0-16-generic #17-Ubuntu ...
sound - No Audio in Firefox - Ask Ubuntu
https://askubuntu.com/questions/1083522/no-audio-in-firefox
per Firefox support page and restarted FF, but there is still no audio. The output from that command is. $ pulseaudio --start --exit-idle-time=-1 N: [pulseaudio] main.c: User-configured server at {32eef4ee022648c6ba11ec360b709b37}unix:/run/user/1000/pulse/native, which appears to be local. Probing deeper.
[SOLVED] No sound in flash, Firefox - LinuxQuestions.org
https://www.linuxquestions.org/questions/linux-software-2/no-sound-in-flash-firefox-825981/
Since the last firefox update I got no sound in flash on both my Acer Aspire 3614WLMi (Ubuntu 10.04) and my Asus Eee 900 (were I'm currently testing Jolicloud 1.0). I have tried to uninstall everything flash on both of them and …
No Audio with Flash Player - LinuxQuestions.org
https://www.linuxquestions.org/questions/ubuntu-63/no-audio-with-flash-player-562283/
actually the solution is very simple: You have to tell firefox what audio system to use and this is done via /etc/firefox/firefoxrc where it should *not* read "none" but "FIREFOX_DSP="aoss" (or artsd if you prefer) when alsa is used as with feisty is the case. aoss works perfectly with me without changing anything else.
Firefox Flash plugin: Jumpy video and no sound | Ubuntu Linux
http://www.ubuntux.org/firefox-flash-plugin-jumpy-video-and-no-sound/
Ubuntu 8.04 uses Pulseaudio for sound, which has some issues with Flash. You need to install libflashsupport to fix this: In a terminal type sudo apt-get install libflashsupport. or use synaptic package manager to install libflashsupport. For the 64-bit version of Ubuntu, get this file. http://nuklear.org/packages/libflashsupport_svn20080217.deb
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