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Saturday, May 10, 2008

Windows XP SP3 solves the HDMI audio problem


The OS I used when I built my own HTPC was Windows XP, it never be a problem to me as I hooked it to my LCD TV with a D-sub cable which obviously cannot carry audio signal. I used analog audio output instead. But, when I have a HDMI cable, naturally I would expect my TV's built-in speakers would sing but unfortunately it didn't!

I know HDMI is kind of digital stuff and it provides superior sound quality directly from the source to the speakers, in this case the PC was the source, the HDMI cable as the bridge and the TV's speakers as the audio device, but they just didn't work under Windows XP (SP2, to be exact). So I started searching around and found that it might be due to the Microsoft UAA (Universal Audio Architecture) Bus driver problem, I downloaded it and installed it numerous times but it still didn't work due to some reasons beyond my knowledge.

You know what? I solved it immediately when I installed the SP3!
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