Audio Setup Made Easy: OBS Capture Cards

Are you ready to take your streaming game to the next level? Look no further because we've got the ultimate guide to help you set up audio for capture cards in OBS. Whether you're a seasoned streamer or just starting out, getting crystal clear audio is crucial for engaging your audience and creating a professional streaming experience. So, grab your headphones and let's dive into the world of audio setup like never before!

Written by
Andre Smith
Updated On
June 20, 2024


OBS, or Open Broadcaster Software, has emerged as a powerful tool for content creators and streamers, allowing them to share their gaming experiences and multimedia content with the world. Whether you're a seasoned streamer or just starting, one crucial aspect of a successful streaming setup is capturing high-quality audio from external sources like consoles or other devices. This article aims to guide you through the step-by-step process of setting up audio for capture cards in OBS, ensuring that your audio is captured flawlessly and enhances the overall viewer experience.

Understanding OBS

OBS, short for Open Broadcaster Software, is a free and open-source software widely used for live streaming and recording. It offers a range of features and customizable settings that enable streamers to capture and broadcast their content across various platforms. OBS supports multiple sources, including webcams, desktop screens, and most importantly, capture cards. By utilizing OBS, you can harness the power of capture cards to enhance your streaming experience and capture high-quality audio and video from external sources.

What is a Capture Card?

A capture card is a hardware device that allows you to capture audio and video signals from external sources, such as gaming consoles, cameras, or other multimedia devices. These signals can then be transmitted to your computer for processing and streaming. Capture cards act as an intermediary between your source device and OBS, enabling you to capture and incorporate external audio and video seamlessly into your streams.

How OBS and Capture Cards Work Together

OBS integrates seamlessly with capture cards, providing a simple yet powerful solution for capturing audio and video from external sources. By connecting your capture card to your computer, OBS can recognize it as a source and provide you with the flexibility to configure and optimize your audio settings specifically for the capture card. This integration ensures that you can capture and stream audio from consoles, cameras, or other devices while enjoying the benefits of OBS's feature-rich streaming platform.

Now that we have a solid understanding of OBS and capture cards, let's proceed with the step-by-step instructions for setting up audio for capture cards in OBS, ensuring that you can provide your viewers with crystal-clear audio during your streams.

Necessary Equipment and Software

Before diving into the setup process, it's important to ensure you have the necessary equipment and software ready to go. Here's a list of the essential items you'll need for setting up audio for capture cards in OBS:

  • Capture Card: Select a capture card that suits your specific needs and supports audio capture. Ensure compatibility with your computer and the devices you'll be capturing audio from.
  • Audio Source: Identify the source of audio you wish to capture, such as a gaming console, camera, or other multimedia device. Make sure your audio source is compatible with the capture card you've chosen.
  • Computer: A capable computer system with adequate processing power and memory is essential for smooth audio capture and streaming. Check the system requirements of OBS and your capture card to ensure compatibility.
  • Cables and Connections: Depending on your setup, you may need HDMI cables, RCA cables, or other audio/video cables to connect your audio source to the capture card. Ensure you have the appropriate cables for your specific devices.
  • Software: Download and install the latest version of OBS, which can be found on the official OBS website ( Additionally, check for any drivers or software provided by the manufacturer of your capture card, as these may be necessary for proper functionality.

Preparing Your OBS and Capture Card Setup

Once you have gathered the necessary equipment and software, it's time to prepare your OBS and capture card setup. Follow these steps to get everything up and running smoothly:

  • Install OBS: Download the OBS software from the official website and run the installer. Follow the on-screen instructions to complete the installation process.
  • Install Capture Card Drivers: Visit the website of your capture card manufacturer and locate the drivers or software specifically designed for your capture card model. Download and install these drivers on your computer to ensure compatibility and optimal performance.
  • Connect the Capture Card: Connect your capture card to your computer using the appropriate cables. Depending on the capture card and your audio source, you may need to use HDMI, RCA, or other cables. Follow the manufacturer's instructions to make the proper connections.
  • Configure Audio Settings: Launch OBS and navigate to the audio settings. In the OBS main window, click on "Settings" in the lower-right corner, then select the "Audio" tab. Choose the audio devices and channels that correspond to your capture card setup. Ensure the capture card is selected as the audio input source.
  • Optimize Audio Settings: Adjust the audio settings within OBS to optimize the audio quality for your specific setup. This may include adjusting the audio volume levels, sample rate, and audio format. Test the audio capture by monitoring the audio levels within OBS while playing audio from your source device.
  • Ensure Optimal Setup: To enhance audio capture, make sure your audio source is set to output audio via HDMI or the appropriate audio output method. Verify that your audio source settings match the recommended settings for your capture card. Additionally, ensure that your computer's audio settings are correctly configured to avoid any conflicts.

By following these steps, you'll have your OBS and capture card setup ready for audio capture. In the next section, we'll provide step-by-step instructions on configuring audio settings within OBS to ensure flawless audio capture during your streams.

Step-by-Step Instructions for Setting Up Audio for Capture Cards in OBS

Now that you have your equipment ready and OBS installed, let's walk through the step-by-step process of setting up audio for capture cards in OBS:

1. Adding a New Source in OBS:

  • Launch OBS and make sure you're in the main window. Right-click within the "Sources" box and select "Add" from the dropdown menu.
  • Choose "Video Capture Device" or "Game Capture" depending on your capture card model and click "OK".
  • Provide a name for the new source, such as "Capture Card Audio", and click "OK".

2. Selecting the Capture Card as a Source:

  • In the properties window for the new source you just added, click the drop-down menu next to "Device" and select your capture card from the list.
  • Ensure the correct audio device associated with the capture card is selected. This ensures that the audio from your capture card is captured by OBS.

3. Configuring Audio Settings in OBS:

  • Go to the main OBS window and click on "Settings" in the lower-right corner.
  • In the settings window, select the "Audio" tab.
  • Under the "Devices" section, select the appropriate audio devices for your setup.
  • Choose the audio input associated with your capture card and the audio output device for monitoring purposes.

4. Ensuring Proper Audio Capture:

  • To ensure that audio is captured properly, you can use the audio mixer in OBS. Click on "Mixer" in the main OBS window to open the audio mixer.
  • Make sure the audio levels for your capture card source are active and at an appropriate level. Adjust the levels as needed to ensure balanced audio.

Troubleshooting Common Audio Issues

Even with careful setup, you may encounter common audio issues. Here are some typical problems and troubleshooting steps:

Audio Desync:

If you notice that the audio is out of sync with the video, try adjusting the audio offset in OBS. Go to the audio mixer, select your capture card source, and click on the settings icon. Adjust the audio offset until the audio sync issue is resolved.

Low Audio Volume:

If the audio captured from your capture card is too low, make sure the audio output volume from the source device is set to an appropriate level. Additionally, check the audio levels within OBS to ensure they are not too low.

Audio Distortion or Noise:

If you're experiencing distortion, crackling, or noise in the captured audio, try enabling audio filters in OBS. Use filters like noise suppression or audio equalization to clean up the audio signal and improve its quality.

Avoiding Common Issues:

Ensure that your audio source is set to output audio via HDMI or the appropriate audio output method. Verify that your capture card settings match the recommended audio settings.

Regularly check for driver updates for your capture card and keep OBS updated to the latest version to avoid compatibility issues.

By following these step-by-step instructions and troubleshooting tips, you'll be able to set up audio for capture cards in OBS and resolve common audio issues effectively.

Optimizing Your OBS Audio Setup

To take your audio capture to the next level and enhance the overall quality of your streams, consider implementing these optimization techniques:

Positioning and Isolation:

  • Position your microphone or audio source in a way that minimizes background noise and maximizes the clarity of the desired audio.
  • Use acoustic treatment, such as foam panels or soundproofing, to reduce echo or unwanted reverberation in your recording space.

Audio Filters and Effects:

  • Experiment with OBS's built-in audio filters to improve the quality of your audio. Filters like noise suppression, compression, and equalization can help eliminate background noise, even out volume levels, and enhance the overall sound.
  • Consider using additional plugins or third-party software for more advanced audio processing and effects.

Mixing and Levels:

  • Utilize OBS's audio mixer to adjust the levels of different audio sources and create a balanced mix. Pay attention to the relative volume levels of different sources to ensure a pleasant listening experience for your viewers.
  • Explore dynamic range compression to keep the audio levels consistent and prevent sudden volume spikes or drops.

Advanced Audio Settings:

  • Delve into OBS's advanced audio settings to fine-tune your setup further. Experiment with audio sample rates, bit depths, and channel configurations to optimize the audio quality based on your specific needs and preferences.
  • Consider using virtual audio cables or additional audio routing software to create more complex audio setups, such as multi-track recording or advanced audio routing for different sources.

Additional Resources

To further enhance your understanding and explore more advanced OBS setups, here are some additional resources and useful links:

Links to Useful Resources and Further Reading:

  • Provide links to official OBS documentation and tutorials that cover audio setup and optimization.
  • Include links to reputable websites or blogs that provide in-depth guides on OBS audio setup and troubleshooting.

Guides for More Advanced OBS Setups:

  • Recommend advanced guides or tutorials that delve into more intricate OBS setups, such as using multiple capture cards, configuring virtual audio cables, or creating complex audio routing scenarios.

Community Forums or Groups for Additional Support:

  • Mention online communities, forums, or social media groups where users can find support, ask questions, and engage in discussions related to OBS audio setup and optimization.
  • Encourage readers to join these communities to seek advice from experienced users and share their own experiences.

By exploring these additional resources and engaging with the OBS community, you can further enhance your OBS audio setup and troubleshoot any specific challenges you may encounter.

Preparing Your OBS and Capture Card Setup

Before diving into the audio setup process, it's crucial to ensure that your OBS and capture card setup is properly prepared. Follow these steps to ensure a smooth setup:

Check for Firmware and Software Updates:

  • Visit the website of your capture card manufacturer and check for any firmware updates for your specific model. Update the firmware to ensure optimal performance and compatibility with OBS.
  • Additionally, check for any software updates or drivers provided by the manufacturer. Install the latest software versions to ensure smooth integration with OBS and improved functionality.

Connect Your Audio Source to the Capture Card:

  • Ensure that your audio source, such as a gaming console or PC, is connected properly to the capture card. Use the appropriate cables, such as HDMI, analog, or digital audio cables, based on the supported connections of your capture card and audio source.
  • Verify that the connections are secure and that the audio source is recognized by the capture card.

Update System Audio Drivers:

  • Check for the latest audio drivers for your computer's sound card or integrated audio. Visit the manufacturer's website or use the Windows Update feature to update your audio drivers to the latest version. Updated drivers can provide better compatibility and performance.

How to Setting Up Audio for Capture Cards in OBS

Now that your setup is prepared, let's proceed with the step-by-step instructions for setting up audio for capture cards in OBS:

1. Exploring Different Audio Sources in OBS:

  • Launch OBS and navigate to the main window. Right-click within the "Sources" box and select "Add" from the dropdown menu.
  • Choose the appropriate source type based on the audio input you want to capture. OBS supports various audio sources, including HDMI, analog, and digital audio inputs.

2. Configuring Audio Settings Specific to Your Capture Card:

  • In the properties window for the audio source you just added, select your capture card as the audio input device. The available options may vary depending on your capture card model and brand.
  • Follow any specific instructions provided by the capture card manufacturer for configuring audio settings in OBS. This may include selecting audio channels, sample rates, or bit depths.

3. Understanding Audio Format Options:

  • OBS offers various audio format options that impact the quality and compatibility of the captured audio. Experiment with different audio formats, such as PCM or AAC, to find the one that best suits your needs and provides optimal audio quality for your capture card setup.

4. Adjusting Audio Levels and Monitoring Audio Input:

  • To adjust audio levels, go to the OBS main window and click on "Settings" in the lower-right corner. In the settings window, select the "Audio" tab.
  • Within the audio settings, you can adjust the audio volume levels for your capture card source. Monitor the audio input within OBS using the audio mixer or volume indicators to ensure the levels are balanced and avoid clipping or distortion.

5. Setting Up Multiple Audio Sources or Capture Card Inputs:

  • If you have multiple audio sources or want to capture audio from multiple capture card inputs simultaneously, repeat the previous steps for each audio source or capture card input you wish to add.
  • In OBS, you can create separate audio sources for each input and configure the audio settings individually for each source.

By following these step-by-step instructions, you'll be able to successfully set up audio for capture cards in OBS, explore different audio sources, configure settings specific to your capture card, and adjust audio levels for optimal performance.

Troubleshooting Common Audio Issues

Despite the careful setup, you may encounter some common audio issues when using capture cards in OBS. Here are troubleshooting steps for addressing these issues:

Audio Desync Issues:

  • If you notice a noticeable delay or synchronization problem between the video and audio, adjust the audio sync offset in OBS. Go to the audio mixer, select the capture card source, and click on the settings icon. Fine-tune the audio sync offset until the video and audio are in sync.

Audio Crackling, Popping, or Distortion:

  • When experiencing crackling, popping, or distortion in the captured audio, consider adjusting the audio sample rate in OBS. Experiment with different sample rate settings to find the one that provides the best audio quality for your capture card and audio source. Additionally, ensure that your cables are securely connected and not causing interference.

Audio Not Being Captured or Low Volume:

  • If you're not capturing any audio or if the captured audio is too low, check the audio input settings in OBS. Verify that the correct audio source is selected and that the audio levels are appropriately adjusted. Additionally, ensure that the audio source device is outputting audio to the capture card.

Audio Latency or Delay during Live Streaming:

  • To reduce audio latency or delay during live streaming, consider adjusting the buffer size or latency settings in OBS. Lowering the buffer size can help minimize the delay between the audio input and output. However, be cautious as setting the buffer size too low may cause audio glitches or instability.

Troubleshooting Specific Audio Problems:

  • If you encounter specific audio issues related to certain capture card models or setups, consult the documentation or support resources provided by the capture card manufacturer. They may have specific troubleshooting steps or firmware updates available to address the issue.

Optimizing Your OBS Audio Setup

To enhance your OBS audio setup and ensure the best audio quality for your streams, consider these optimization techniques:

1. Exploring Audio Filters in OBS:

  • OBS offers a range of audio filters, such as noise suppression, equalization, and compression. Experiment with these filters to enhance audio quality and minimize background noise during your streams.

2. Setting Up Audio Scene Transitions and Mixing:

  • Utilize OBS's scene transition options and audio mixing capabilities to create seamless audio transitions between different sources. This allows for smooth audio changes when switching scenes or transitioning between different audio sources.

3. Optimizing Audio Settings for Streaming Platforms:

  • Different streaming platforms may have specific audio requirements. Configure OBS audio settings to optimize audio quality for the specific platform you are streaming on, such as Twitch or YouTube. Consider bitrate, audio format, and recommended settings provided by the platform.

4. Benefits of External Audio Interfaces or Mixers:

  • Dedicated external audio interfaces or mixers can provide enhanced audio control and improved audio quality when used in conjunction with capture cards. These devices offer additional features like preamp control, phantom power, and more precise audio mixing capabilities.

5. Exploring Advanced Audio Features in OBS:

  • OBS includes advanced audio features like sidechain compression and virtual audio cables. Explore these features to create unique audio effects, implement complex audio routing scenarios, or fine-tune your audio setup for advanced streaming needs.

By troubleshooting common audio issues and optimizing your OBS audio setup, you can ensure high-quality audio capture and provide an immersive audio experience for your viewers.


Congratulations on successfully setting up audio for capture cards in OBS! By following the step-by-step instructions, troubleshooting common audio issues, and optimizing your OBS audio setup, you've taken a significant step toward delivering an exceptional streaming experience to your viewers.

Recap of the Steps Covered

Throughout this guide, we explored the necessary equipment and software required for audio setup with capture cards. We discussed how to prepare your OBS and capture card setup, including checking for updates, ensuring proper connections, and updating audio drivers. We then delved into step-by-step instructions for setting up audio in OBS, exploring different audio sources, configuring settings specific to capture card models, adjusting audio levels, and setting up multiple audio sources or capture card inputs.

Importance of Correctly Setting Up Audio for the Best OBS Experience

Setting up audio correctly is crucial for delivering an immersive and professional streaming experience. Crystal-clear audio enhances the viewer's engagement, making them feel like they're right there with you during your gaming adventures or multimedia presentations. By ensuring high-quality audio capture through capture cards in OBS, you elevate the production value of your streams and create a more enjoyable experience for your audience.

Encouragement to Experiment and Optimize Your Setup

While you now have a solid foundation for audio setup with capture cards in OBS, remember that the world of streaming is ever-evolving. Don't be afraid to experiment, explore advanced features, and fine-tune your setup to suit your unique needs and style. Take advantage of OBS's audio filters, scene transitions, and optimization settings to further enhance the audio quality and create a personalized streaming experience.

In your streaming journey, you may encounter new challenges or discover additional resources that can help you enhance your audio setup. Stay connected with the OBS community, explore online forums, and seek guidance from experienced streamers to continually improve your audio capture and deliver top-notch content to your viewers.

Now, armed with the knowledge and skills acquired in this guide, it's time to unleash the full potential of your streaming setup. Embrace the world of captivating audio, engage your audience, and embark on an exciting streaming adventure that will leave a lasting impact on your viewers.

Best of luck, and happy streaming!

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