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Indirect reflections can cause acoustic distortion, so that you end up listening to the room and not the intended soundtrack. The sound that we hear in a room is a combination of the direct sound from the speakers and the indirect reflections from the room surfaces and room contents. Why is the room so important? The reason is that sound must eventually travel the acoustic path from the loudspeakers to our ears. The missing element in most home theaters is proper acoustical treatment. We want to focus on what is happening in your theater environment as speech, music and effects spill out of the 5-10 speakers placed around the room and what your brain must be thinking, as all of those sources and their reflections off the different wall and ceiling surfaces impinge on your ear canal in a symphony (or cacophony) of sounds… The Missing Element - Proper Acoustical Treatment While we're at it, let's assume that the audio/video delivery system has been engineered and implemented appropriately. We'll also assume that in the construction phase of your theater, attention was paid to 'external acoustic' issues such as disruptive sound transmissions into the theater and interference from the mechanical, electrical and plumbing systems. For the purposes of this article, we are going to assume that the temperature, lighting and the manners of your fellow viewers are contributing positively to your theater experience.

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There are many factors which contribute to a successful or not so successful theater experience. So why is it that we sometimes cannot entirely let go, what keeps us from making the journey into the world that the DVD is spinning for us? To blame any one thing would be ridiculous. The technologies that are available now to capture and manipulate images and sounds are continually pushing the envelope of challenging the senses into believing what they are experiencing. The home theater experience is about being immersed in the audio/visual experience - maybe even letting go of reality for a few brief hours in an attempt to join the characters on the screen for a new adventure or experience. With a background in music and engineering, he enjoys the challenges of both large and small spaces.and golf. He spent his first years at RPG developing its computer modeling and acoustic testing capabilities. Jeff is the senior product application consultant in RPG's Home Theater Division. This month we have another guest writer, Jeff Madison from RPG.

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