Transmits DVI audio

Does DVI carry audio?


Does DVI carry audio? My monitor has 4 HDMI inputs and I am using a device that only has a DVI output. Is the sound coming from the DVI to HDMI adapter?

Reply:


No, DVI sources are only video sources.

DVI to HDMI adapters are for video only. When you convert HDMI to DVI, all audio sent from an HDMI source will be lost.

If the source was DVI and you are converting to HDMI, there will be no sound there anyway.

Also as a hint, HDMI to DVI and DVI to HDMI are only adapters, the two sockets are electrically pin-compatible and nothing "smart" happens.


Some graphics cards with DVI connections allow audio over HDMI with the included adapter (e.g. my NVidia GeForce 9800 GTX + from Asus). In my case I also had to connect the digital audio output (S / PDIF connector) from my motherboard to my graphics card and even then it only works on one of the two DVI ports. However, in general, do not expect this behavior. If your device came with a DVI to HDMI adapter, you might be in luck but don't expect anything (other than video) with third-party adapters.


I have connected the DVI output of a PC to an HDMI port on a TV and the sound is transmitted over the normal 3.5 mm stereo jack cable. The TV has a setup page that states that this audio input source should be used on a specific device with the HDMI input selected so it should be checked that your kit can do this.


If you have a digital audio output, this digital optical toslink audio converter will merge with the DVI video to create an HDMI video / audio combination. If you only have analog audio, there are converters (like this one) to convert it to digital too.

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