OBS Studio (Mac) – Elgato HD60 X audio distorted / broken while Streamlabs works fine

lukewho

New Member
Hi everyone

I’m running into an audio issue with OBS Studio on macOS and my capture card, and I haven’t been able to resolve it after trying multiple troubleshooting steps.

My setup:
  • Streaming PC: MacBook running macOS
  • Gaming PC: Windows PC
  • Capture card: Elgato HD60 X
  • Streaming software: OBS Studio
  • Mic: connected to the MacBook
  • Gaming PC outputs video + audio via HDMI to the capture card

How the setup works:

My gaming PC sends HDMI video and audio to the capture card, which is connected to my MacBook. OBS is running on the MacBook and captures the gameplay through the capture card.

Because I’m streaming from macOS, OBS does not provide desktop audio, so the only way I can capture the game audio is through the capture card.

The issue:

In OBS Studio:
  • The capture card shows video correctly.
  • There is no audio option inside the Video Capture Device properties.
  • If I add an Audio Input Capture source and select the capture card, the audio comes through but it is extremely distorted / broken and barely usable.
However:

In Streamlabs (on the same MacBook), everything works perfectly and the audio from the capture card is clean.

So the hardware and HDMI audio output from the gaming PC seem to be working correctly.

Things I have already tried:
  • Matching all devices to 48 kHz in Audio MIDI Setup
  • Restarting OBS
  • Reconnecting the capture card
  • Adding capture card audio through Audio Input Capture
  • Changing frame rate settings
  • Disabling global audio devices in OBS
The issue still persists only in OBS Studio.

Question:

Is there a known issue with OBS on macOS and the HD60 X audio stream, or is there a specific way the capture card audio should be configured that I may be missing?

Any help would be greatly appreciated.

Thank you.

Log- https://obsproject.com/logs/bJij1MOG0GsIO0Qe
 
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