FC11 Sound gets disabled automatically after 10 to 15 min.

[Jatin K]

Dear all

I'm facing a stranger problem of sound in fedora 11 , when I play music 
player or see on-line video after 10 to 15 min. sound goes away .. no 
sound any more , and then I needed to restart the system ... now again 
it works for 10 to 15 min. the same problem occurs again.


what could be the problem ?? please help me to resolve this issue