Because of missing native equalizer on OS-X (Snow Leopard) I had to use third party app Soundflower in combination with AU Lab. Everything was going right, but once I restarted OS X, the sound stopped working. When I changed the volume by the keys on Macbook I hear the system sound, but in iTunes, Vimeo, some videos on YouTube, Quicktime, etc., I hear nothing.
I tried to remove Soundflower and AU Lab and reboot, but without any change.
Does anybody know how to fix this problem?