alsactl using qt4

[akon]

is there any good link or example available to work with alsactl with qt4. or there any other option to make sound in qt4.

[akon]

aSound_=new QSound("/../../test.wav");
aSound_->setLoops(5);
aSound_->play();

But I cant hear any sound. Do I need to do something with ALSA .....plz any help or suggest. is appreciating------I need to make some sound as alarm----