How to Turn On or Off Mono Audio in Windows 10


Starting with Windows 10 build 15025, people with partial hearing loss or deafness in one ear can turn on mono audio to have Windows play audio from both the left and right audio channels into both ears (channels) when using headphones, so they don’t miss any sounds.

This tutorial will show you how to turn on or off mono audio for your account in Windows 10.

Contents

• Option One: Turn On or Off Mono Audio in Settings
• Option Two: Turn On or Off Mono Audio using a REG file
• Option Three: Turn On or Off Mono Audio using a BAT file
• Option Four: Turn On or Off Mono Audio using Context Menu

OPTION ONE

Turn On or Off Mono Audio in Settings

1 Open Settings, and click/tap on the Ease of Access icon.

Starting with Windows 10 build 21359, the Ease of Access category in Settings has been renamed to Accessibility.

2 Click/tap on Audio on the left side, and turn on or off (default) Turn on mono audio on the right side for what you want. (see screenshot below)

3 You can now close Settings if you like.

OPTION TWO

Turn On or Off Mono Audio using a REG file

The downloadable .reg files below will modify the DWORD value in the registry key below.

HKEY_CURRENT_USER\Software\Microsoft\Multimedia\Audio

AccessibilityMonoMixState DWORD

0 = Off
1 = On

1 Do step 2 (on) or step 3 (off) below for what you would like to do.

 2. To Turn On Mono Audio

A) Click/tap on the Download button below to download the file below, and go to step 4 below.

Turn_ON_mono_audio.reg

Download

 3. To Turn Off Mono Audio

This is the default setting.

A) Click/tap on the Download button below to download the file below, and go to step 4 below.

Turn_OFF_mono_audio.reg

Download

4 Save the .reg file to your desktop.

5 Double click/tap on the downloaded .reg file to merge it.

6 When prompted, click/tap on Run, Yes (UAC), Yes, and OK to approve the merge.

7 Sign out and sign in to apply.

8 You can now delete the downloaded .reg file if you like.

OPTION THREE

Turn On or Off Mono Audio using a BAT file

You must be signed in as an administrator to do this option.

The downloadable .bat files below will modify the DWORD value in the registry key below.

HKEY_CURRENT_USER\Software\Microsoft\Multimedia\Audio

AccessibilityMonoMixState DWORD

0 = Off
1 = On

1 Do step 2 (on) or step 3 (off) below for what you would like to do.

 2. To Turn On Mono Audio

A) Click/tap on the Download button below to download the BAT file below, and go to step 4 below.

Turn_ON_mono_audio.bat

Download

 3. To Turn Off Mono Audio

This is the default setting.

A) Click/tap on the Download button below to download the BAT file below, and go to step 4 below.

Turn_OFF_mono_audio.bat

Download

4 Save the .bat file to your desktop.

5 Unblock the .bat file.

6 Run the .bat file.

7 Click/tap on Yes when prompted by UAC to "Run as administrator".

8 You will now notice a command prompt open and close to make the registry changes and stop and start the "Windows Audio" (Audiosrv) service to apply.

9 When finished, you can delete the downloaded .bat file if you like.

OPTION FOUR

Turn On or Off Mono Audio using Context Menu

You must be signed in as an administrator to do this option.

1 For how, see: How to Add Turn On or Off Mono Audio context menu in Windows 10

That's it,
Shawn

Related Tutorials

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• How to Add Turn On or Off Mono Audio context menu in Windows 10
• How to Enable or Disable Spatial Sound for Headphones in Windows 10
• How to Adjust Left and Right Audio Balance of Sound Devices in Windows 10

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