I have done what Craig suggested but I cannot get rid of the Clicking sound.ĭescription: Realtek Digital Output(Optical) (Realtek High Definition Audio) HD audio software cannot detect any thing all. My problem is a bit different and that is I have a clicking sound in my Headphone, speaker and Microphone. I have a same problem with my High definition Audio Controller. But that is another question for the folks at Microsoft & ATI to sort through before the Public Release is granted to the masses around the end of September. I can play Blu-Ray movies on this system just fine, so I don’t know if I have just been lucky picking out movies that aren’t HDCP locked or if the report from Win 7 RC is erroneous. I’m stumped why the dual cable is HDCP qualified & the single cable with the dongle is not HDCP qualified. Now, using the ATI 4850 via the HDMI connection & having no separate audio cable Win 7 RC reports that the connection is ‘not HDCP qualified’. The only special note that I should make is that when I was using the Nvidia 9600 video card & the SPIDF connection inquires to Win 7 RC shows that it was ‘ High Definition Content Protected or HDCP qualified’. When I restarted my Win 7 RC computer – the ‘speakers not plugged in’ was gone & it reconfigured itself on the reboot to enable the ATI HD Audio as the ‘Default Device’. I’m not sure if 7.1 is supported & even though the Sony receiver supports that format I only have a 5.1 speaker setup at this time. Audio 5.1 Dolby & video together on one cable from my computer to the Sony AV receiver & then on up to a Samsung 46UB-7100 LED LCD display. I used that adapter & obtained an HDMI 1.3a cable that I plugged into the Sony receiver & it all works just fine. I found that the ATI 4850 card from Gigabyte did have a DVI/HDMI adapter in the box.
What I found out is that the DVI / HDMI cable that I was using didn’t have the Audio conductors – what I needed was a cable that had the audio & video conductors & pins working properly.
That would eliminate one cable & decrease the complexity of the setup & user friendliness on the Sony A/V Receiver for my family to get the programming they want with sound (a shortcoming of the inputs on the Sony STR-DG1000 receiver).
I had wanted to have just one cable from my Windows 7 Media Center & to eliminate the second SPIDF cable. I had the identical symptoms you describe as ‘speakers not plugged in’ when I changed my video card from a Nvidia 9600 to an ATI 4850.
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