[mythtv-users] Cable Quality component DVI HDMI ?

Steven Ellis steven at openmedia.co.nz
Tue Dec 12 03:26:35 UTC 2006


On Tue, December 12, 2006 4:02 pm, Robert Johnston wrote:
> On 12/11/06, Edgar Sigal <esigal at insidewire.com> wrote:
>> Hi All
>>
>> Is there a quality difference when using component video cables vs DVI
>> vs
>> HDMI?
>>
>> I saw an HDMI cable package that claims it had a better picture quality
>> over
>> the other two methods.
>>
>> Are they not all carrying the same signals?
>>
>> Are the signals Digital such that there should be no signal loss?
>
> Component is analog.
>
> DVI and HDMI are both digital. However, only HDMI supports HDCP, which
> (will eventually) be required for HD-DVD and Blue-Ray. As Linux
> doesn't support HDCP (Yet), this is a non-issue for Myth, so DVI and
> HDMI are essentially equivalent. However, most video cards have a DVI
> output, and to connect to HDMI requires an adaptor.

You can do HDCP over DVI as well. The Dell 2407WFP screens have DVI but no
HDMI, but they support HDCP.

Steve

--------------------------------------------
Steven Ellis - Technical Director
OpenMedia Limited - The Home of myPVR
email   - steven at openmedia.co.nz
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support - support at openmedia.co.nz
website - http://www.openmedia.co.nz


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