peripherals: 0.909
device: 0.822
performance: 0.550
semantic: 0.443
mistranslation: 0.422
graphic: 0.388
architecture: 0.360
ppc: 0.282
user-level: 0.263
arm: 0.249
assembly: 0.213
PID: 0.201
boot: 0.174
socket: 0.148
debug: 0.133
virtual: 0.122
permissions: 0.117
files: 0.105
vnc: 0.071
register: 0.069
network: 0.067
TCG: 0.065
VMM: 0.057
i386: 0.055
risc-v: 0.049
x86: 0.024
KVM: 0.011
hypervisor: 0.010
kernel: 0.007

usb-audio does not work with Mac OS