Need help, flaky sound! - Canadian TV, Computing and Home Theatre Forums
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post #1 of 5 (permalink) Old 2013-10-07, 09:51 AM Thread Starter
Join Date: Sep 2005
Posts: 4
Need help, flaky sound!

Every time I turn on my TV and receiver I never know if I will have any sound when using my HTPC, it's driving me crazy! Under sound devices if I see my Panasonic TV or Yamaha receiver and I set either one as default it usually works, most of the time those are not listed and I need to disable sound device, re-install driver, turn TV or receiver on and off to have them reappear if I'm lucky. Some background,

Motherboard - Asus P8H61-IR2.0
Onboard sound VIA VT1708S
OS Win 7 64bit
BIOS and sound driver up to date
Connected via HDMI
Receiver - Yamaha RX-V473

Not sure if this will end the madness but since my receiver has digital optical port can I use SPDIF with the VIA onboard sound to avoid this issue or should I invest in a soundcard?

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post #2 of 5 (permalink) Old 2013-10-07, 03:36 PM
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I had a similar problem with my previous AMD-based HTPC. If the HTPC was on and the TV would "go away" because it was turned off, when you turned the TV back on it wouldn't give you your HDMI audio device back.

I'm not sure why, but when I upgraded to a (Intel) Core i3-based HTPC these problems went away. This suggests that the problem was a driver issue on the AMD system.

For the AMD solution this was only a problem with using HDMI audio. If I connected the audio using the stereo out from the sound card (on board), it always worked.

If I were you, I'd try SPDIF first before doing something more drastic.
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post #3 of 5 (permalink) Old 2013-10-07, 04:16 PM
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Location: Toronto, Rogers, 9865 & 8300-eHDD, Sharp LC75N8000U, Denon AVR4310Ci; Sony KDL40W3000, 9865
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Here's the FAQ on HDMI issues. You'll notice that this issue is mentioned there (Item 34, as well as other suggestions). A firmware update to all equipment may solve your issue, or a reboot of the computer if that's not too much of a problem. As mentioned by audacity above, the optical option you have should solve the problem since there's no handshake.

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post #4 of 5 (permalink) Old 2013-10-08, 12:40 AM
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I've had the same issue with certain motherboards. The quick solution is to always turn the TV on first and off last. I found that simply suspending the HTPC and waking it up, with the TV on, would often work. A reboot with the TV on would always work. That was with a direct connection to the TV.

This case appears to be more severe. Updating the drivers may help. I've found that letting Windows update install the default Windows audio driver sometimes works best. Drivers from the ASUS site are often the best option. If not, try downloading the latest drivers from VIA directly. One of those options should work. A video card may be a better and cheaper solution than an audio card. Many have a dedicated HDMI audio solution for the HDMI port. I've never seen this problem with a Radeon based video card.
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post #5 of 5 (permalink) Old 2013-10-17, 02:21 PM
Join Date: Oct 2005
Posts: 2,130
I'm currently having similar issues with ATI 5830's (x-fire) I just can't get the HDMI audio to work correctly. If I am finally able to get it to register 5.1 speaker setup, the rear speakers when tested barely turn on. I'm going to pull one vid card and rebuild Windows, start fresh and go from there. I know I don't have AVR issues because my Laptop has been able to work with it no problems.
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