What exactly is a laptop “display audio” driver

audiodriversgraphics cardlaptop

I've downloaded an Intel HD Graphics driver for my Dell laptop and the installer's welcome screen says it will install the following components:

  • Intel Graphics Driver
  • Intel Display Audio Driver

What exactly is "display audio"? Dell's and Lenovo's pages are spectacularly unhelpful.

Best Answer

HDMI and DisplayPort are capable of transmitting audio as well as video.

So, to Windows, it looks like an additional soundcard appears on your system, for which a driver is needed. So if you connect a monitor on the other end of your HDMI or DisplayPort and it can play sound, you can send sound to that monitor by selecting "Intel Display Audio" or similar as your audio device.

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