Help! Outputting Audio via HDMI and Display Port simultaneously on single GFX Card

Necromonger · Jan 20, 2017

I am in the process of setting up for streaming using the dual PC method.

My Gaming PC has:
Intel Core i5 4670K
24GB RAM
Windows 8.1 64-bit
Nvidia GTX 1080

My Streaming PC has:
Intel Core i7 3770
8GB RAM
Windows 10 64-bit
Nvidia GTX 1050 ti
Razer Ripsaw (Capture Card)

I have my 4K TV connected to my graphics card via HDMI and have the capture card connected through display port to HDMI adapter to my graphics card.

I can only get audio out to one source at a time. Either through my TV or through the capture card. I cannot seem to get audio through both at the same time.

I've been searching the internet for hours already for a solution to this and can't find one. Note, I have looked into the Sound Mix trick and that doesn't show up as I don't have any audio out through the 3.5mm audio jacks. All audio is carried over through HDMI or Display Port.

I really need a solution for this guys/gals. Is there anyway through software or maybe hardware to output audio to both sources at the same time???

getochkn · Jan 20, 2017

Why not use a HDMI splitter and just split the signal from the PC and send it to the TV and capture card?

Clamyboy74 · Jan 20, 2017

Windows cannot output sound through 1 cable to two devices, only if you use an audio splitter cable. Sound cards can do this instead.

Necromonger · Jan 20, 2017

getochkn :

Because the output resolution is 3840x2160 which is out of range for the capture card, otherwise I would have done that.

getochkn · Jan 21, 2017

Then how are you playing at 4k and capturing video at 1080.

Necromonger · Jan 21, 2017

getochkn :

Its set up with Extended displays. The capture card comes out as a 1080p monitor. By extending the displays I can downscale onto the capture card using OBS and then send that through to the other PC.

silverbot01 · Apr 1, 2017

Necromonger :

Go for a HDMI 2.0/HDCP 2.2 capable 1:2 (at least) splitter. This should allow you to send the same stuff (audio and video) to two seperate devices. These high end splitters can end up being rather pricey so I would look into exactly what you need and extra features before making a purchase.

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Help! Outputting Audio via HDMI and Display Port simultaneously on single GFX Card

Necromonger

Honorable

getochkn

Polypheme

Clamyboy74

Reputable

Necromonger

Honorable

getochkn

Polypheme

Necromonger

Honorable

silverbot01

Honorable

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