Making the choices for your home projector.
You’ve already gone through the decision to set-up a home theater. You have
the room designed to suit your needs and you’ve settled on a source for a
HD source. Still, it does go through your mind on what might be your best
choice for a home projector. The choices are between a LCD projector and a
DLP projector, and possibly on how best to situate it.
Hopefully this article will provide you with a few ideas to assist in your
What is High Definition?
Briefly, 720 pixels per square inch is the minimum resolution to be
considered high definition (480 is the number for standard resolution).
Projectors (and TVs) that are below that 720 pixel mark (but above 480) are
best described as “enhanced definition” and should only be considered good
enough for watching DVDs or standard definition (free to air) TV.
The choices available for a HD type projector would be those that produce
720p, 1080i, and 1080p. The “I” and “p” stand for the scanning system
(interlaced or progressive). Progressive scanning is the more advanced of
the two, so a 720p projector would be as good as a 1080i projector.
Home projector placement
You might have already settled on where you will have your projector unit
installed. It might be connected to a wall/ceiling mount, or perhaps set on
a coffee table (just bringing it out when you want to use it). Now the fun
begins in making the adjustments so that projected image is properly
aligned with the viewing surface.
Keystone correction is typically used to make the adjustments for your
projector. This function allows for your unit to be placed vertically or
horizontally off from dead center of the screen. Some projectors do offer
automatic keystone correction, but manual might be more to your liking.
There is some degrading of the image at the edges in using keystone
correction but it’s not really that noticeable.
If your budget will afford it, perhaps you should look into a home
projector that makes use of lens shift correction. This is a more reliable
way to make the adjustments for where you place the unit, and the image
doesn’t suffer from the edge degradation that you might experience with
It is hoped that this information can be of help to you in making your
decision on what to look for in a home projector to fit your home theater
Co-owner and operator of New Home Projector
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