Getting Realtek Audio to Play Sounds Through Both Speakers and Headphones

Running Multiple Channels of Audio Simultaneously in Linux

In Windows, I configure my Realtek audio to play sounds through my headphones (plugged into the front panel jacks) and my speakers (plugged into the rear panel jacks) simultaneously. I noticed in Ubuntu, the default is to mute sound in the rear when a device is plugged into the front. I wanted to stop this behavior, so here's what you have to do. Some people may also be looking to mute the rear speakers when a device is plugged into the front, so I have included both configurations. Download this nifty utility to manage and configure your audio settings by running these commands.

sudo apt-get install gnome-alsamixer
alsamixer

In this application, you can adjust volume and mess with several other settings.

At the bottom of alsamixer, scroll over to the "<Auto-Mute>" option.

To play audio through both headphones and speakers, change Auto-Mute to "Disabled".

To play audio through only one device, change Auto-Mute to "Enabled".

Hope that helps!

 

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