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Old 05-24-2006, 05:06 PM   #1
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Registered: Dec 2005
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firefox swf no sound

i installed the macromedia FLash plugin in my firefox 32bits
when a launch a swf file, it seem to work fine the only problem is there is no sound
Could somebody help me?
-i'm trying to watch a linux tutorial i found in the network, LinuxCBT Cd tutirial;
Old 05-25-2006, 02:56 PM   #2
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I just had the same problem twice this past week. The first time I solved it by correcting the ownership/permissions of the flashplayer.xpt and files in my ~/.mozilla/plugins directory. If you install your plugins globally they're probably not in your home directory.

The second time, after upgrading to a newer firefox package, it seemed to change the mimetype for swf to look for flashplayer.xpt in a different location. I've installed a mimetype editor plugin so I can view and edit them from within the browser. I'm not sure how to change it otherwise.
Old 05-26-2006, 10:41 PM   #3
Registered: Feb 2006
Distribution: Slackware 10.2, (, FC 5
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I think I finally have a good answer to this. I, like many others, have had this problem for awhile. Every time I searched, I kept finding suggestions to change permissions on the plugins or to disable the sound system in KDE to let arts sound take over. The permissions thing never worked, and I didn't want to disable the KDE sound system.

I finally got this to work by lowering the "auto-suspend" option in the KDE sound settings from 60 seconds to 10 seconds. Now, as long as I wait at least 10 seconds from the last KDE event sound, my flash content sound plays fine. I'll probably lower this to 2 or 3 seconds, but I've been testing it and playing around with it at 10 seconds, and it's worked consistently with that time interval ever since.
Old 05-27-2006, 04:19 AM   #4
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What desktop environment are you using? It could be anything from a permissions problem, Arts or Esd getting in the road or an Alsa problem.

To throw yet another suggestion in the ring, last time I used it Flash output it's sound to OSS which was no good for Alsa which most people use. Try running Firefox like this, see if it works.
aoss firefox
Old 05-29-2006, 08:12 AM   #5
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Registered: Aug 2004
Location: India
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I had the same problem and solved it using the mime editor plugin ( i found it on extensionmirror AT nl, the homepage didn't work)
I knew it had to be something in firefox itself because Konqueror playd the files correctly with sound.

I found no link to swf, so I made one myself like this:
Mimetype: application/swf
Description: Flashobject
extension: *.swf

and then select: open with default program

just to make sure I also changed my auto release settings to 10 secs

now Flash works again!

Hope this helps


on PCLOS - KDE 3.5.2 - firefox
Old 05-29-2006, 04:55 PM   #6
Registered: Jan 2006
Location: Hellas, Europe
Distribution: Slackware 12
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I generally had a few sound problems with Flash and some other applications. What I did was only to add the user to the audio group.
Old 03-03-2009, 02:02 PM   #7
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firefox swf no sound

apparently I'm running in the same situation

can anyone please help me.

platform is Linux Enterprise 4 Mozilla firefox v is 2.0.0-20 and flash player is 9 . I can't update to 10 because my mozilla 2.0.0-20 won't support 10. is there a way I can fix this problem? and how can I change the setting to run it at 10 sec ???

Thank you so much ... I'm just a beginner thanks...


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