Thanks.Now I update Firefox to 3.0.And I finding the problem is from flash player!If the page have Flash and use sound,The system will have problem,The others program can't open sound!So this Bug is form Flash player!

在2008-06-02，"Nick Ellery" <ellery.nick@gmail.com> 写道：
>
>
>Please update to Firefox 3.0 RC1 using Update Manager, and report the
>results. Thanks!
>
>** Changed in: firefox-3.0 (Ubuntu)
>Sourcepackagename: None => firefox-3.0
> Status: New => Incomplete
>
>--
>Firefox can't use voice of others program.
>https://bugs.launchpad.net/bugs/236691
>You received this bug notification because you are a direct subscriber
>of the bug.
>
>
>');
> }
>//-->
>
>

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