Yes, that's what I was thinking.

Is there any talk about this sound issue in the official Sims 3 forum? I can't even check myself because for some idiotic reason those forums have country restriction so that you can only see the useless forums that are in your own language. Don't know if EA even knows about this issue. Can't really play the game before it gets fixed.

The sound issue is very annoying. For me it started when I was driving my houseboat for the first time in Isla Paradiso. But since vorpal got it without using the test version of AM it's most likely EA's fault. It's stange though that it's not a very widely reported issue for all I know. Would be nice to get rid of it, 'cause the game is pretty much unplayable because of it.