Using HDMI out and my xonar Pheobus

Stanleh

Stanleh

Stanleh

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Joined
19 Oct 2003
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109
I am getting a new AV amp that doesn't have 5.1 analogue ins and so I would like to use the hdmi out on one of my gigabyte 970s. However one of the staff told me that if you use the HDMI out on a graphics card it always uses the onboard soundcard.

I am also using the asus rog swift monitor via Display port so I would also need to output the sound via hdmi and the picture via displayport simultaneously.

Does anyone know of a way around this or what I should do other than using optical which doesn't have the bandwith I want.

Thanks
 
HDMI or optical doesn't use onboard sound at all. They are digital outputs whereas onboard audio refers to the analogue 3.5mm outputs on the motherboard. Even if the optical is on the motherboard, it still won't use onboard audio. It's a different ball game altogether.

The problem with connecting both monitor and AV receiver to the GPU is that, it might interfere with the 5.1 working properly from the GPU to the AV receiver. Windows will see the AV receiver as a second display connected to the GPU, whether there is a TV connected to it or not. I've seen some people say that this interferes with 5.1 working properly.

One way around it could be to use HDMI from the motherboard. Apparently 5.1 from the motherboard HDMI to the receiver does work with the GPU still being used as main display.
 
I'm sharing my experiences in case you want 5.1 sound in games rather than just movies etc.

I too had a ROG Swift and a HDMI equipped amp so was in a similar situation.

This combo worked great but only if I connected a second monitor via HDMI from the receiver. HDMI audio only works in conjunction with video. I had onboard
audio disabled so that proves it's not needed at all in this config.

I also tried outputting 5.1 via optical using DD Live or DTS Connect via a Xonar sound card but this wasn't reliable and kept skipping/stuttering.

In the end I've ended up dumping my AV receiver and got a Logitech Z906 so I can use the normal 3 cable analog method, this works like a dream and doesn't require me either to use an extra monitor I don't want cluttering up my desk or give me dodgy sound.

The other option of course is an AV amp with analog connections but from my own research for most brands only the top of the line models still have the necessary connections.

I know this probably isn't what you wanted to hear but I hope I've helped in some way and that you can avoid the months of trial and error I've gone through this year trying to sort this problem myself.
 
Alas even my relatively high end av amp the denon 6200w doesn't come with 5.1 analogue inputs.

Annoyingly asus have removed the dolby digital live option via optical out in Windows 10.

Thank you for all the advice, I will try the hdmi out on my motherboard and get back to you.
 
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