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How to Set Default Microphone in Ubuntu Linux

Richard
Written by
Richard
Sep 7, 2022 Updated Jun 20, 2026 2 min read
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You set your default microphone in Ubuntu Linux via the Sound Settings panel.

This ensures Ubuntu automatically uses your preferred audio input device, such as an external USB microphone or your laptop’s built-in mic.

Designating a default microphone is crucial when you have multiple audio input devices, like a headset and a webcam, to ensure clear audio for calls and recordings.

For instance, in Ubuntu 22.04 LTS, you can quickly access this setting directly from your system’s main settings menu to make your selection.

⚡ Quick Answer

Open System Settings and navigate to the Sound panel. Under the Input section, select your desired microphone from the list of available devices to set it as the default. The input level indicator will confirm your selection.

How to set the default microphone in Ubuntu Linux

Setting your default microphone in Ubuntu Linux is simple and makes sure all your apps use the correct audio input automatically.

Ubuntu Linux will try to identify and select the best input device. You can control its volume from the system menu, but remember only one device shows up there at a time.

Ubuntu Linux has a centralized location for the majority of its settings. From system configurations to creating new users and updating, all can be done from the System Settings panel (where you manage all your computer’s configurations).

Ubuntu Linux Activities overview screen showing desktop interface
ubuntu linux activities overview

Alternatively, click on the System menu at the top-right corner of the top bar on your desktop.

On the System menu, select Settings, as highlighted below.

Ubuntu Linux system menu top bar with Settings option
ubuntu linux system menu top bar settings

In the Settings app, click on a Sound tile to open the panel.

Ubuntu Linux Sound tile displayed in system menu settings
ubuntu linux sound tile in system menu

In the System Settings -> Sound panel, under Input, select the device you want to use.

The input level indicator should respond when you speak.

Ubuntu Linux change input device microphone selection menu
ubuntu change input device

If you don’t see the connected mic device on the list, it may be that it is not recognized in Ubuntu Linux.

You can adjust the volume, switch the microphone off, or mute it from this panel.

Ubuntu Linux input device microphone selection from system menu
ubuntu input device from system menu

That should do it! You can now close the Settings app.

Conclusion:

  • Setting the default input device in Ubuntu Linux is essential for a seamless user experience across all applications.
  • Ubuntu’s centralized System Settings panel simplifies selecting the default microphone.
  • Users can monitor and adjust the input level indicator in the Sound panel to ensure the proper functioning of their chosen device.
  • Users can troubleshoot and adjust settings if a connected mic device is not recognized.
  • With the default mic configured, users can enjoy consistent audio input across various multimedia applications in Ubuntu Linux.

What is my default microphone?

Open the Control Panel, go to "Hardware and Sound," and then click on "Sound." In the "Recording" tab, you'll see a list of recording devices. Check if your microphone is set as the default device.

How to fix Ubuntu 22.04 microphone issue?

So, Steps you need to do to fix that issue: If you will go to Setting -> Sound -> Input Device, change the Input to Your headset option. Yaay! Your microphone is ready. You will never gonna face any problems in calls again.

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Richard

About the Author

Richard

Tech Writer, IT Professional

Richard, a writer for Geek Rewind, is a tech enthusiast who loves breaking down complex IT topics into simple, easy-to-understand ideas. With years of hands-on experience in system administration and enterprise IT operations, he’s developed a knack for offering practical tips and solutions. Richard aims to make technology more accessible and actionable. He's deeply committed to the Geek Rewind community, always ready to answer questions and engage in discussions.

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