bitstream via hdmi to surround receiver

FatherGregory

Commendable
Nov 9, 2016
4
0
1,510
how to bitstream from gtx 1080 via hdmi to my surround sound receiver so i can get my receiver to decode instead of my pc so i can get dolby atmos and dts x. help!
 

Paperdoc

Polypheme
Ambassador
Not sure, but investigate this. You may NOT want to have your graphics card do audio output for you. The main reason for outputting audio from the graphics card is so that the sound can be sent on the HDMI cable to the display device that may also contain your speakers. But very often the audio output ability of the graphics card is limited to 2-chanel stereo, assuming that's all you monitor has.

If you need a more sophisticated audio signal to be sent out to a high-quality audio system, maybe you should be connecting via a multi-channel electrical or optical audio output from the audio system built into your mobo. If you do this, then you need to make two adjustments. The first is to Windows. Windows can use ONE audio output device at a time, and yours probably is set now to output from the chip in your video card. On Win XP (more recent is similar), click on Start ... Control Panel ... Sounds and Audio Devices. In the new window click the Audio Tab, and it will show you three rectangles for different functions, each containing a drop-down chooser slot. The top one is Default Device for Sound Playback, so click its down-arrow and choose the audio output system on your mobo (often Realtek). You can make similar choices in the other two rectangles if you want to. Click on OK at the bottom and back out of the menus.

Next you need to open up the Audio Manager (or similar utility) that came with your mobo for its audio system and configure it to output the sound signals your external system requires - how many channels, etc. This should get you advanced audio on that system, separated from the video still going out on your HDMI cable to your monitor.
 

FatherGregory

Commendable
Nov 9, 2016
4
0
1,510


Not everything you said is correct. For example, my gtx 1080 can decode DD and DTS however the bandwidth of hdmi cannot carry that decoded signal along with the secondary signal for atmos/dtsx. Optical can't even carry the uncoded signal. You did give me an idea though. I may try hdmi via video card for just video, while also doing hdmi via mobo just for audio if the mobo software gives an option to send the signal without it being decoded so my surround sound receiver can do the decoding properly.
 

Natsukage

Estimable
Oct 28, 2016
1,264
0
2,960
Hello.

It will not work using the mobo hdmi. It is disabled if you have a GTX 1080.

Go into your Nvidia Control Panel. You will see a setting written "Set up digital audio". There, you can adjust you settings for Atmos, DTS, etc. Clcik "open windows sound settings" Check your HDMI settings by right-clicking on the HDMI output and selecting Properties. Do they look like this? :
Z3fPH84.jpg
 

FatherGregory

Commendable
Nov 9, 2016
4
0
1,510

I'm at work for about another hour, but from what I can remember yes it looks like that.
 

FatherGregory

Commendable
Nov 9, 2016
4
0
1,510


I have a pioneer elite sc-97 11.2 receiver. I know it's good to go as long as I can get the signal to it. I really wish microsoft would hurry up and update xbox 1 s to have atmos supported bitstream out. :/