The problem with sound

[vnctdj]

The problem with the sound is well-known and the developers are working on it, you can see their work here : https://docs.google.com/file/d/0B1ftGc2t...dvaEk/edit
But this problem is a big one so there is a lot of work to do...
It can take a long time, so you have to be patient

PS : You have to do a search before posting a new thread because there is a lot of threads like yours...