Does HDMI send digital audio?

Does HDMI transmit digital or analog audio?

HDMI Vs Optical Cables HDMI and optical cables both transmit digital audio, and you'll usually find one of them used to connect two digital devices. If you're using multi-channel audio, like Dolby Digital, you won't usually notice a difference in sound quality.

Does HDMI transmit audio?

HDMI is renowned for its video quality, but it also can carry audio without the need for multiple cables. HDMI supports Dolby TrueHD and DTS-HD for 7.1-channel sound for loss-less, theatre-quality audio. HDMI 1.4 also supports audio return channel, which sends sound from your TV tuner to your receiver.

Is HDMI output digital?

HDMI is an all-digital connection capable of carrying multi-channel audio and video signals in just one cable. HDMI also supports high-definition video and high-resolution audio, and is the only connection compatible with formats, including Dolby TrueHD, DTS-HD Master Audio and 3D video.

How do I turn on HDMI digital audio?


  1. Right-click the volume icon in the system tray.
  2. Click "Playback Devices"
  3. Find your HDMI Output device, and either right-click it and select Enable, or open Properties and set "Device Usage" to "Use this device (Enable)"

Oct 30, 2016

Can HDMI carry Dolby Digital surround sound?

Audio. Fiber optical cables support surround sound with up to 5.1 channels. While HDMI supports Dolby Digital Plus, TrueHD formats, and DTS HD. Almost all the television programming gets broadcast in surround sound but there are many Blu-ray discs offering enhanced sound quality.

Is HDMI analog or digital?

HDMI is a digital replacement for analog video standards.

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