Stop sound from speakers when connecting headphones

Solution 1:

Follow these steps to automatically mute your speakers when plugging in headphones:

1. Open Terminal (Ctrl+Alt+T)
2. Type: alsamixer and press Enter/Return
3. Select the correct sound device by pressing F6
4. Navigate to the right with → (Right Arrow key) until you highlight Auto-Mute
5. Press ↑ (Up Arrow key) and select Enabled (or Line Out)
6. Press Esc to exit

Solution 2:

Original Solution

1. Go to Realtek official site, accept the disclaimer, then download the audio driver for linux/unix. You need to select version 3 for Kernel 3 or later.

2. Setup necessary tools to compile this driver.

   sudo apt-get install build-essential gcc make

3. Extract the downloaded file, run sudo ./install file from a terminal after going to the extracted folder to compile the driver.

4. Read the Readme.txt file for more information.

5. Install gnome-alsamixer by this command.

    sudo apt-get install gnome-alsamixer
   

6. Open the gnome-alsamixer by typing alsamixer in the dash.

7. Select the "Auto mute mode" in the new window.

Reboot and see whether it fixed now. (Step 6 and 7 might not necessary). Automute will automatically enabled upon restart

Solution 2:

I have just found another solution:

(It worked for me with Only S/PDIF profile, Sound from both headphone and speaker and not being able to switch profile)

1. Add this ppa by the command

     sudo apt-add-repository ppa:ubuntu-audio-dev/alsa-daily
   

2. Update packages list. by

    sudo apt-get update
   

3. Then install "alsa-hda-dkms" package:

     sudo apt-get install alsa-hda-dkms
   

Reboot, And See the result!