libusb version question?

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http://forums.fedoraforum.org – I'm having USB sound issues and noticed that my computer has all of these installed: libusb-0.1.12-21fc11 (x86_64) libusb-0.1.12-21fc11 (i586) libusb1- (x86_64) The description for libusb1 says that it is not compatible with the original libusb-0.1 series. Could having both types installed be causing my sound issues, and if so which one do i remove? (HowTos)