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How to Set Default Microphone in Ubuntu Linux

Richard
Written by
Richard
Sep 7, 2022 Updated Jul 14, 2026 3 min read
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Setting your default microphone in Ubuntu Linux happens through the Sound Settings panel.

This tells Ubuntu which microphone it should use automatically, making sure your voice comes through clearly on calls or recordings.

Having a default device is helpful when you have more than one microphone connected, like a headset or a webcam microphone. This stops Ubuntu from guessing which one you want to use.

For example, in Ubuntu 22.04 LTS, you can easily find this setting right in the main system settings menu to pick your favorite microphone.

⚡ 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 ensures all your apps use the correct audio input. Ubuntu usually picks a good one, but you can change it in the system settings. This ensures your voice is picked up clearly for calls and recordings.

Ubuntu Linux tries to identify the best input device automatically. While you can control its volume from the system menu, note that only one device appears there at any given time.

Ubuntu’s settings live in one place: the System Settings panel. This System Settings panel lets you manage all your computer’s configurations, from system settings to creating new users and updating software.

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 not be recognized in Ubuntu Linux.

You can adjust the microphone volume, switch the microphone off, or mute the microphone from the Sound settings panel in Ubuntu Linux. This panel lets you manage all your available audio input devices and their settings.

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?

To fix this issue, follow these steps: If you go to Setting -> Sound -> Input Device, change the Input to Your headset option. Your microphone is now ready! You should no longer face problems during calls.

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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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