Resolving HDMI Sound Issues

• Right-click the Volume icon by the time in the lower-right corner.
• Click Playback Devices.
  The Sound window opens.
• On the Playback tab, click the following audio output device that is listed:
  • Digital Output Device (HDMI)
    Figure : Digital Output Device (HDMI) selection

    

  • Realtek HDMI Output
    Figure : Realtek HDMI Output selection

    

  • NVIDIA HDMI Output
    Figure : NVIDIA HDMI Output selection

    

  • ATI HDMI Output
    Figure : ATI HDMI Output selection

    

• Click Set Default.
• Click Apply.
  • If you used Digital Output Device (HDMI), click OK to close the window. This completes the steps to activate HDMI sound.
  • If you used Realtek HDMI Output, continue with Step 6.
• Double-click Realtek HDMI Output.
  The Realtek Digital Output Properties window opens.
• Click the Supported Formats tab.
• Place a check in the 48.0 KHz check box, and make sure that there are no checks in the Dolby Digital check box and all other check boxes.
  Figure : Supported Formats settings in the Realtek Digital Output Properties window

  

    note:

  For most TVs to play back audio, the sample rate must be 48.0 KHz.