Fixing OBS Studio: Minor Echo Recorded Stream Audio Despite Correct Settings

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Setting Up OBS Studio

Before we start recording, let's ensure OBS Studio is installed and configured correctly on your Windows 11 Desktop PC.

1. Download OBS Studio from the official website: https://obsproject.com/
2. Install the software following the on-screen instructions.
3. Plug in your HDMI USB capture card (Oxlaw).
4. Open OBS Studio and go to the "Sources" panel.
5. Click on the "+" button to add a new source.
6. Select "Video Capture Device" and choose your HDMI USB capture card (Oxlaw) from the dropdown menu.
7. Click "OK" to add the source.
8. Right-click on the HDMI USB capture card source and select "Properties."
9. In the properties window, set the resolution and other settings according to your HDMI AV source.
10. Go to the "Audio Mixer" panel and ensure the correct audio device is selected for your HDMI AV source.

Recording an HDMI Stream with OBS Studio

Now that OBS Studio is set up, let's start recording an HDMI stream.

1. Go to the "Scene" panel and create a new scene if necessary.
2. Add the HDMI USB capture card source to the scene.
3. Click on the "Start Recording" button (or press F9) to start recording the HDMI stream.
4. Choose the output format (MP4) and destination for the recording.
5. When you're done recording, click on the "Stop Recording" button (or press F9 again).

Troubleshooting Minor Echo Recorded Stream Audio Despite Correct Settings

If you encounter a minor echo recorded stream audio despite correct settings, try the following troubleshooting steps:

1. Go to the "Audio Mixer" panel and lower the gain of the HDMI USB capture card source.
2. In the same panel, adjust the balance between the HDMI USB capture card source and the system audio (if necessary).
3. Go to the "Filters" panel, right-click on the HDMI USB capture card source, and select "Add Filter."
4. Choose "Noise Gate" and configure it to reduce background noise and echo.
5. If the problem persists, try using a different HDMI USB capture card or updating the drivers for your current capture card.

References

• https://obsproject.com/
• https://manual.obsproject.com/audio/noise-gate
• https://www.oxlaw.com/
• https://www.amazon.com/Oxlaw-Ultra-HD-Capture-Card-Capture-Streaming/dp/B07Z79LKHB
• https://www.blackmagicdesign.com/products/ultrastudiomini (Alternative HDMI USB capture card)