Choreography creation/Lip syncing
		
		
		
		
		
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Automatic phoneme extraction is broken on Windows Vista or later due to a MS Speech API upgrade. Valve actually use a different phoneme extraction library that can't be distributed in the public SDK, so don't expect this problem to ever be officially fixed! (You can still create phonemes manually, but the process is very tedious.)
Anyone still using XP is welcome to write this page...