I have a PC with a graphics card with 2 DVI ports and one HDMI port. I have used the normal DVI port for about 9 months, but I'm going to get a new card with the same number and types of ports. I was wondering if I should use HDMI instead? Do normal things like the desktop and Youtube videos look the same but games look better? What does HDMI actually do, and what changes from using DVI?|||HDMI is merely DVI + audio on one cable.
That is why HDMI and DVI have exactly the same image quality.
If your monitor has built-in speakers that gets its audio from HDMI and you want to use those speakers, then use an HDMI cable.
If your monitor has no speakers or you want to use your own set of PC speakers, just stick with DVI.|||I like HDMI, the details are much clearer, and more advanced. But DVI is classic, and HDMI is just a little improvement over it|||From a resolution point of view you will get the same result with DVI and HDMI. They both support 1080P. Assuming you have a 1080P TV or monitor. The previous answerer was right in respect to audio. You either need to run HDMI from the source to a A/V receiver and then run the video from the receiver to your display using HDMI. This way you are keeping the signal digital all the way and you will not have any copy protection issues. If you use the DVI interface you could face issues with copy protection on HD signals. Here are some more details on DVI.
"DVI-I" stands for "DVI-Integrated" and supports both digital and analog transfers, so it works with both digital and analog Visual Display Units. "DVI-D" stands for "DVI-Digital" and supports digital transfers only. DVI also includes provision for a second data link for high resolution displays, though many devices do not implement this. In those that do, the connector is sometimes referred to as DVI-DL (dual link).
When you convert HDMI to DVI you drop the audio as DVI does not support any audio signals. You will need to take a separate cable link between your source and the sound system for this to work.
You will need also to review the software settings in your source so that they know that you are not outputting audio from the HDMI but a separate outlet.
Some new DVD players, TV sets (including HDTV sets) and video projectors have DVI/HDCP connectors; these are physically the same as DVI connectors but transmit an encrypted signal using the HDCP protocol for copy protection. Computers with DVI video connectors can use many DVI-equipped HDTV sets as a display; however, due to Digital Rights Management, it is not clear whether such systems will eventually be able to play protected content, as the link is not encrypted.
If you want to know more about the HDMI interface and HDMI cables you can download the free 21 page ebook "HDMI Demystified" at the following link.
http://www.hdmisystems.com/
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