
When streaming content online, managing the audio levels is crucial to ensure a professional and enjoyable viewing experience. One common challenge streamers face is dealing with background noise from their computer, which can be distracting for viewers. To address this issue, it's essential to know how to effectively block out the sound of your PC during a stream. This can be achieved through a combination of hardware and software solutions, such as using a noise-cancelling microphone, adjusting audio settings in your streaming software, or employing third-party tools designed to suppress background noise. By implementing these techniques, you can significantly improve the audio quality of your stream and provide a better experience for your audience.
| Characteristics | Values |
|---|---|
| Method | Hardware or software solution |
| Purpose | To prevent PC sound from being heard on stream |
| Examples | Mute button, sound card settings, audio mixer software |
| Effectiveness | Varies depending on the method used |
| Complexity | Simple to moderately complex |
| Cost | Free to moderately expensive |
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What You'll Learn
- Using Streamlabs OBS: Configure audio settings to exclude PC sounds from your stream
- Adjusting Windows Settings: Modify system audio to prevent PC sounds from being captured
- Microphone Selection: Choose the right microphone input to avoid picking up unwanted PC audio
- Audio Filters: Apply filters in your streaming software to suppress background noise
- Sound Card Configuration: Adjust settings on your sound card to isolate streaming audio from PC sounds

Using Streamlabs OBS: Configure audio settings to exclude PC sounds from your stream
To effectively configure audio settings in Streamlabs OBS to exclude PC sounds from your stream, you'll need to follow a series of precise steps. First, open Streamlabs OBS and navigate to the "Audio" section in the settings panel. Here, you'll see a list of audio devices connected to your PC. Identify the device you want to use for streaming and ensure it's set as the default audio device.
Next, locate the "Advanced Audio Properties" button and click on it. This will open a new window where you can manage the audio levels and settings for each device. In this window, you'll see two columns: "Capture" and "Monitoring." Under the "Capture" column, uncheck the box next to "Use Advanced Audio Capture." This will allow you to capture audio directly from the selected device without any additional processing.
Under the "Monitoring" column, you'll see a dropdown menu labeled "Monitoring Device." Select the same audio device you chose earlier for capturing audio. This ensures that the audio you're monitoring is the same as what's being captured for your stream.
Now, let's address the issue of excluding PC sounds from your stream. In the "Advanced Audio Properties" window, you'll notice a checkbox labeled "Exclude PC Sounds." Check this box to prevent any system sounds from being captured and streamed. This is particularly important if you're streaming in a noisy environment or if you have background applications running that could interfere with your stream's audio quality.
Finally, click "Apply" and then "OK" to save your changes. You should now be able to stream with clear audio that excludes any unwanted PC sounds. Remember to test your audio settings before going live to ensure everything is working as expected. By following these steps, you can provide your viewers with a high-quality audio experience without any distractions from your PC's system sounds.
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Adjusting Windows Settings: Modify system audio to prevent PC sounds from being captured
To prevent PC sounds from being captured during a stream, you can modify your Windows audio settings. First, open the "Sound" settings by right-clicking the speaker icon in the taskbar and selecting "Sounds." In the "Sound" window, navigate to the "Recording" tab. Here, you'll see a list of available recording devices. Right-click on the device you're using for streaming (e.g., a microphone) and select "Properties." In the "Properties" window, go to the "Advanced" tab and uncheck the box next to "Allow applications to take exclusive control of this device." This will prevent any application, including streaming software, from automatically capturing your PC's audio.
Another method to block out PC sounds on stream is to use the "Audio Mixer" feature in Windows. To access this, open the "Settings" app and go to "System > Sound." Under the "Related settings" section, click on "Sound Mixer." In the "Sound Mixer" window, you can adjust the volume levels for different applications. To prevent PC sounds from being captured, simply lower the volume for the application you're using for streaming. This will reduce the likelihood of your PC's audio being picked up by the streaming software.
If you're using a third-party streaming application, you may also have the option to disable audio capture within the software itself. For example, in OBS Studio, you can go to the "Audio" settings and uncheck the box next to "Enable audio capture." This will prevent OBS from capturing your PC's audio, ensuring that only the audio from your microphone or other selected sources is streamed.
In addition to these methods, you can also use a physical audio interface or mixer to control the audio levels and routing. This can be particularly useful if you're streaming from a laptop or a computer with limited audio ports. By using an audio interface or mixer, you can route your microphone and PC audio to separate outputs, allowing you to control the volume levels independently. This will help you prevent your PC's audio from being captured during the stream while still maintaining high-quality audio for your viewers.
Finally, it's important to test your audio settings before going live to ensure that everything is working as expected. You can do this by recording a test stream or using a virtual audio cable to route your audio to a recording device. By testing your settings beforehand, you can avoid any unexpected audio issues during your live stream and provide a better experience for your viewers.
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Microphone Selection: Choose the right microphone input to avoid picking up unwanted PC audio
Selecting the appropriate microphone input is crucial for streamers aiming to block out unwanted PC audio. The first step involves identifying the different audio input options available on your computer. Typically, these include the built-in microphone, a headset microphone, and any external microphones connected via USB or other interfaces. Each of these inputs has its own characteristics and suitability for streaming.
Built-in microphones, while convenient, often pick up a significant amount of background noise, including PC fan sounds and other internal noises. External microphones, on the other hand, can offer better sound quality and noise isolation. However, they may also capture ambient room sounds if not properly positioned. Headset microphones are a popular choice among streamers due to their ability to capture clear audio while minimizing background noise. They are also typically more affordable than high-quality external microphones.
Once you've identified your available microphone inputs, it's essential to test each one to determine which provides the best sound quality while minimizing unwanted PC audio. This can be done by recording a sample audio clip using each input and listening back to identify any issues. Pay particular attention to the presence of PC fan noise, keyboard clicks, and other internal sounds that can detract from your stream's audio quality.
In addition to selecting the right microphone input, there are several other steps you can take to further reduce unwanted PC audio during your stream. These include using audio editing software to apply noise reduction filters, positioning your microphone away from your PC to minimize the pickup of fan noise, and using acoustic panels or other soundproofing materials in your streaming area to reduce echo and ambient noise.
Ultimately, the key to successfully blocking out unwanted PC audio on your stream lies in a combination of selecting the right microphone input, testing and adjusting your setup, and implementing additional noise reduction techniques as needed. By taking these steps, you can ensure that your stream's audio is clear, professional, and free from distracting background noises.
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Audio Filters: Apply filters in your streaming software to suppress background noise
To effectively suppress background noise during a stream, it's crucial to utilize audio filters within your streaming software. These filters can help isolate your voice and minimize unwanted sounds, ensuring a more professional and clear broadcast.
One common type of filter used for this purpose is the noise gate. A noise gate automatically mutes your microphone when the audio level falls below a certain threshold, effectively cutting out background noise when you're not speaking. To set up a noise gate, you'll need to adjust the threshold level, attack time, and release time within your streaming software's audio settings.
Another useful filter is the compressor. A compressor reduces the dynamic range of your audio, making loud sounds quieter and quiet sounds louder. This can help even out your voice levels and reduce the impact of sudden loud noises. When configuring a compressor, you'll need to adjust the threshold, ratio, attack time, and release time to achieve the desired effect.
In addition to these filters, you may also want to consider using a high-pass filter to remove low-frequency noise, such as hums or rumbles, from your audio. This can be particularly helpful if you're streaming from a room with poor acoustics or if you're using a microphone that's sensitive to low-frequency sounds.
When applying these filters, it's important to do so judiciously. Overuse of filters can result in unnatural-sounding audio or even introduce new artifacts. Experiment with different settings and listen to your audio carefully to find the optimal balance between noise reduction and audio quality.
By leveraging these audio filters, you can significantly improve the quality of your stream and provide a better listening experience for your audience. Remember to regularly review and adjust your filter settings as needed to adapt to changes in your streaming environment.
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Sound Card Configuration: Adjust settings on your sound card to isolate streaming audio from PC sounds
To effectively isolate streaming audio from PC sounds, you'll need to dive into your sound card's settings. This process can vary depending on your operating system and the specific sound card you have, but the general steps remain similar. Start by opening your computer's sound settings, which can usually be found in the control panel or system preferences. From there, locate the sound card you want to configure and open its properties.
Within the sound card's properties, look for a tab labeled "Mixer" or "Advanced." This tab should provide you with a list of all the audio inputs and outputs your sound card manages. Identify the input that corresponds to your streaming audio source, such as a microphone or line-in, and the output that corresponds to your streaming destination, like speakers or headphones.
Once you've identified the correct inputs and outputs, you can begin to adjust the settings. Look for options to mute or lower the volume of the PC sounds on the output you're using for streaming. This will help to minimize any unwanted background noise from your computer during your stream. Additionally, you may want to adjust the input settings for your streaming audio source to ensure it's capturing the sound clearly and at an appropriate volume.
If your sound card has advanced features, you might also find options to create separate audio profiles or presets for different scenarios. This can be particularly useful if you frequently switch between streaming and other audio tasks, as it allows you to quickly apply the appropriate settings without having to manually adjust them each time.
Remember to test your settings before going live with your stream. Play some audio from your PC and listen to it through your streaming output to ensure that the sound is properly isolated. If you're still picking up unwanted noise, you may need to further adjust your settings or consider using additional audio equipment, such as a mixer or audio interface, to achieve the desired level of sound isolation.
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Frequently asked questions
To block out the sound of your PC on a stream, you can use a noise-cancelling microphone or adjust your computer's audio settings to mute the system sounds.
People often want to block out PC sounds during a stream to avoid background noise, prevent spoilers or sensitive information from being heard, or to maintain a professional and focused streaming environment.
Yes, there are various software options available that can help you block out PC sounds on a stream. Some popular choices include noise-cancelling software, audio editing tools, or streaming software with built-in audio control features.
Yes, hardware solutions such as noise-cancelling microphones, sound cards with noise reduction capabilities, or acoustic panels can be used to block out PC sounds on a stream. These solutions can provide more effective noise cancellation compared to software-based methods.











































