Streaming Content to Second PC – Through Elgato HD60S

In this article I’ll explain the process I have used for Streaming to a second PC through an Elgato HD 60S. This article considers you are using OBS and I have used the ELgato Game Capture software on the second PC (but you could just as easily use OBS, XSplit Broadcaster etc.)

Capture Hardware / OBS Configuration

  • Step #1Plug the HD60s into a spare HDMI port on your gaming PC GFX Card. Once identified add this source as an additional output to your PC display (for example):Screen (2) is my Elgato Extended Output – You could clone your primary screen to the Elgato source but only do this if you do not mind your monitor Hz rate reducing to 60Hz (as this is the limit of the Elgato) – otherwise the above solution is the step you will need to use.
  • Step # 2Now plug the HD60s USB into a USB3 port on your second PC/laptop. I would suggest at this stage downloading the Elgato Game Capture software and installing it on your secondary system.https://www.elgato.com/en/gaming/downloadsNote: I would suggest to not bother with the Elgato Sound Capture option unless you intend to also game play stream / record directly on your second PC in the future, otherwise for this setup it is not needed.

    Once installed load the Game Capture software and it should detect the main PC extended output:

    Note: It will most likely default to 1080p30 – you can change this is the settings (click the cog) and configure for a 720p output:

  • Step #3So now the video feed is working you need to look at the game play feed. Because the HD60s is an extended output on the main PC we need to tell OBS to project what we are doing into this signal.This projection only adds a very minor overhead to the PC and because the main PC will not be streaming the content will play and stream and full rate.Therefore, load up your OBS configuration and set the OBS preview to Project:

    Note: I have selected the “Display 3” – this is my last extended display (as noted previously) -this is my Elgato HD60s output

    As soon as you select the Display Projection you should see the capture display on your second PC change to the desktop display:

    Note: You will need to Preview Project to the Elgato source each time you setup for stream through OBS to a secondary PC but quickly becomes a default action.

  • Step #4Now the video signal is working between the x2 systems and you will maintain your primary PC monitor resolution and Hz rate it is now time to configure the sound output.Because you will be sending all audio from the main PC (Desktop Audio, Mic, Discord chat etc.) this will all have to be combined into a single track and sent through the Elgato HD60s to the second PC.To do this you can use a piece of free software called Voicemeeter (available here):
    https://www.vb-audio.com/Voicemeeter/index.htm

Using Virtual Sound System (VoiceMeeter)

  • Part 1 – Using Virtual Sound System (Voicemeeter)
    Once installed you should see a similar interface as below – configure this interface with the following channel options:
    Single A Channel on Hardware Input
    Hardware Output – A1 > HD 60 S (or whatever your capture system is)

    You can leave the other channels as default – of course play around with the levels depending on what the final output levels sound like. You can even add echo effects etc. if required
    You will now need to configure some of your main PC system sound settings to channel the different sound tracks into the correct inputs – configure as follows:

  • Part 2 – System Sound SettingsSet Sound Default to VoiceMeeter Input (When capturing – switch back to normal device when not)
  • Part 3 – Recording SettingsSelect your default recording device and set the Properties > Listen > Playback to VoiceMeeter InputThis will redirect the microphone back into the Voicemeeter Input to combine multi channels to the final source output.
    Note: This will not affect your microphone for the normal desktop audio needs (i.e. Discord chat etc.

    Finally set the following to the new VoiceMeeter Output Device

    Select the VoiceMeeter Output Properties – Set this to your PC audio output (Speakers / headphones etc.)

    You can now test the sound output to the second PC – simply play some desktop audio / use the microphone and the Game Capture software on the second PC should show the sound bar moving and you will hear the output if the volume is active.

    Don’t forget to check the option “Listen to this device”

  • Step #5Once confirmed both video and audio are coming through you are almost ready to go live.Final configuration is to set the Game Capture software to stream to Twitch, Mixer (whatever your choice) and/or run a local record test to see if everything is working as expected (I would suggest running a local record first)

    I mention using the Elgato Game Capture Software to actual broadcast the final stream but you could just as easily install OBS on the second PC and use this to broadcast

    Note: Which ever method you use the second PC is only performing the stream output – therefore you will need to click live on the second PC when ready to go but OBS on your main PC can still be used to do screen transitions, mic / desktop audio mute etc.

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