Due to the increasing popularity of home theater systems many consumers create dedicated home theater rooms in the basements which haven't been used before. Nowdays it is possible to make a home screening room on a moderate budget. Here are some useful recommendations which can help you avoid some pitfalls in creating dedicated media room and help you achieve all your goals.  Choosing appropriate room shape
It is not recommended to install home theater system in a square room because deep bass sound waves really misbehave in square rooms. Because of the standing waves which they produce this can result in areas of extreme bass emphasis and the absence of audible bass. It will be almost impossible to fix the staning-wave problem after the fact.
The most suitable are rectngular rooms with the dimensions (length, width and height) not evenly divisible by a common denominator. Example: don't choose a room 24 x 16 x 8 ft.; the dimensions of 23 x 13 x 7 feet are more beneficial for standing waves. Keeping the Room Size Practical
Determine how many viewers you are going to have. Choose the appropriate amount of seats and figure out their type: theater-type seats or just a couple of couches and recliners. Then, select the appropriate space for the furniture which will provide a seasonable viewing distance versus the screen size. The larger your home theater is, the larger the speakers and more subwoofers you'll need and the more money you will spend on the bigger amplifiers. Allot 50% or More of Your Home Theater Budget to Home Theater Speakers and Amplification
It is not practical to spend most of your home theater budget on a super-expensive HD projector, screen and furniture, and leaving the rest for home theater speakers and amplification. It is necessary to select high quality surround sound system to you high-definition visual image. Otherwise you will receive a combination of a briliant picture with a lousy sound. If yu are going to spend $2,500 on an HD front- or rear-projection system, it is beneficial to spend at least $2,000 on a 5.1-channel home theater speaker setup and another $500 to $1,000 or more (depending on the room size) on an A/V surround receiver or A/V processor and amplifiers.
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