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PulseAudio_Old - Ubuntu Wiki
https://wiki.ubuntu.com/PulseAudio_Old
Jaunty and Flash 10. In Jaunty and later, Flash 10 should work out of the box with PulseAudio. If you have no sound in Flash, and the PulseAudio volume control is not showing a Firefox player when playing sound in Flash in Firefox, you may need to ensure that PulseAudio is the default sound card, as follows: Setting PulseAudio as the default sound card
Flash 10 not using pulseaudio on Firefox - …
https://www.linuxquestions.org/questions/linux-general-1/flash-10-not-using-pulseaudio-on-firefox-759713/
Setting the /etc/asound.conf to use pulseaudio as default fixed the problem of no sound on Flashplayer 10 for me. My /etc/asound.conf is below. The last two stanzas are the relevant ones to set the default to pulseaudio: pcm.pulse {type pulse} ctl.pulse {type pulse} pcm.!default {type pulse} ctl.!default {type pulse} See:
Pulseaudio + Flash Plugin - No Audio / Applications ...
https://bbs.archlinux.org/viewtopic.php?id=116734
Re: Pulseaudio + Flash Plugin - No Audio. No. It is my understanding that Flash 10 has pulse support and at the very least should have alsa support. Also there hasn't been an update on the source code since 2008 and I don't understand how it works.
Download – PulseAudio
https://www.freedesktop.org/wiki/Software/PulseAudio/Download/
Download PulseAudio Distribution. Typically PulseAudio would be provided by your OS distribution. As PulseAudio forms part of what is typically preferred to as the plumbing layer of Linux userspace, it is a non-trivial job to integrate it fully to form a complete system. This is why we strongly encourage you to go via your distribution whenever possible.
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