SaferSeller and SaferSeller4U have been selling on eBay since January of 2000. They are certified eBay education specialist that offer training, and Trading Assistance to help others sell their items.

HD is becoming an extremely popular craze these days. But what exactly is this HD, and why should you care? HD, or "High Definition",  is the best thing to happen to television and movies since the introduction of color! With the right equipment, you can easily jump into the HD revolution. When it comes to high definition displays, whether it be computer monitors, television screens, or projectors, there are many different ways to get your HD fix.

Basically, HD defines the number of pixels that is being shown on your display. There are two basic formats of HD 720 and 1080. The 720 depicts that the image is 1280 pixels wide by 720 pixels tall and it could be displayed in an interlaced (i) or a progressive format (p) more on that soon! The 1080 means that the image is 1920 pixels wide by 1080 pixels tall and it, as well, could be displayed in an interlaced (i) or a progressive format (p).

To understand the difference is easy - interlaced (i) is where the picture is displayed from the top left to the bottom right for every other row, then it goes back to the top and renders the remaining rows in the same manner in between the other. Many feel it has more flicker and is inferior to progressive. The progressive format it is displayed sequentially from the top left to the bottom right in rows – typically progressive scanning results in a better picture for fast moving scenes or sports games, but the difference is very hard to notice. Both standards are displayed in a widescreen format, such as the screen at a movie theater. Compared to the traditional television formats, NTSC (US & Canada) and PAL (Europe), HD offers a much greater amount of pixels to be shown on your display. This results in a richer and more life-like experience.

To get the most out of your HD television or projector, you need to feed it a good signal with the right cables. It is very important to get the right cable for the job, otherwise you could end up with a loss in image quality either because a) you ran the cable for too long of a distance, or b) there are other devices interfering with the signal (this could happen by running your cables close to another power-hungry device's power cords). High definition signals are either digital or analog and need to be used with the right type of cable. Digital cables carry their signals for a much longer distance without loss, and also with virtually no interference. They are typically smaller as well. HDMI and DVI are the most prominent forms of digital HD cables. Both are excellent choices. The most common analog HD cable is Component Cable. There are three wires: red, green, and blue. Altogether, these colors deliver an HD signal to your display. Most devices have a variety of HD options for you to choose from. All in all, it is much simpler to use digital over analog whenever possible.

I hope I have helped you to make sense out of HD, or High Definition. Technology can be very intimidating at times. If you ever have any questions or concerns, or would like to know what new products we have available for you, just email, call, or check us out on eBay!

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