user@www$ sudo apt-get install libflashsupportThat will fix the sound problem in flash player. I am not sure why there is a dependency, but apparently it only happens with some people, not everyone will experience the same issue.
I was unable to hear the sound from Flash video when playing in browsers, either in Firefox or Opera in Ubuntu Hardy. However, the musics are playing fine in Rhythmbox player.
There is an easy solution for this.
You need to install “libflashsupport” by entering the following command