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How to Achieve HDTV by Yourself

At the third quarter of last year, the United States leaded in broadcasting HDTV program in the world. And now, Digital TV have penetrated into American family hither and thither. However, not everyone has the privilege to benefit from this welfare for some practical reasons. On the contrary, Internet is accessible to HDTV programme flexiblely. Therefore, the cool idea to connect DVI - HDMI for HDTV has been put forward here.

HDMI is the interface of high-definition LCD or plasma TV, and the DVI as computer digital interface. Hence, Video card with DVI output and TV with HDMI interface are indispensable to realize DVI - HDMI connection. Furthermore, DVI-HDMI converter with DVI cable or a DVI-HDMI cable is also required. What’s more, HDMI video signal formats are compatible with parts of DVI, but they differ in transmission standard signal such as 480i / P (852 × 480), 720i / P (1280 × 720), 1080i / P (1920 × 1080). Moreover, refresh rate cannot be neglected either: 30/60Hz for HDMI is often the merely optimal choice in that resolution and refresh rate of HDMI isn't as adjustable as that of DVI. Accordingly, the above formats are best suitable for desktop resolution when you want to connect PC and TV though DVI-HDMI connection.

Having connected the joint cable, you should modulate HDMI input for television and start computer. If everything goes well, television can display images when computer operating system enters into desktop. Otherwise, you should check whether the plug has been inserted firmly or whether there is something wrong with television or vedio card. In a word, you can rely on substitution method to find the root causes. Ultimately, what else we should do is to adjust graphics card to realize perfection.

Here adjustment method fro ATI graphics card is to be emphasized as follows:
Drivers modulation: ATI graphics card drivers have ATi CATALYST Control Center (ccc) version as well as the ordinary CATALYST Control Panel (ccp) version respectively; But to support HDTV output, the former is more applicable. Furthermore, ATI Driver updater software of Driver Detective can match your computer with the specific ATI Catalyst Drivers under such circumstance!

Graphics card resolution setting: When TV screen is processing video signals, 5-10% of the area can not be displayed usually. Such the case being, to adjust the desktop resolution to reduce the display area for guarantee of whole screen display can handle it: For example, 1152x864 for 720P format, 1776 × 1000 for 1080i / P. Having done all the above, if VGA port of graphics card is still connected to monitor, theater mode of video options is required to be equivalent to that of video source.

In conclusion, HDTV signal can transfer into television now through proper adjustment. And now, HDTV can also be part of your digital life fantastically.

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