Room Acoustics in Home Theaters – Introduction

A home theater can be applied easily to domestic living rooms at the present day. Stateof-the-art acoustical improvements allow for active acoustic control regardless of room shapes or room dimensions. This provides good sound quality for almost any listening location for a wide listening area.

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The signal processing for this acoustic control is commonly included in modern surround processors. A surround processors will assist in all the necessary steps to allow for acoustic optimization. This includes the measurements at each listening location, in order to calculate the loudspeaker-listener transfer function, and based on that generates the optimum parameters for each signal delivered to each loudspeaker.

. In this case the only room acoustic requirement for a domestic room is to start with a low reverberation time in order to provide good speech intelligibility. This cannot be created by the surround processor or any optimization system. However, good values for the reverberation time will most likely be achieved by common home furnishing.

Home furnishing also provides sound diffusion and may assists in creating spaciousness. Furthermore, it results in a smoother frequency response due to a more uniform sound field with good possibilities to fill the frequency dips caused by interference effects.

This are good news and with some more consideration regarding the loudspeaker-room interactions one can achieve good results for recreational listening in a home theater.

A wide range of Danish Dali speakers, Yamaha amplifiers and German Inakustik audio cables are designed for a variety of needs and spaces, which we will explain more scientifically and qualitatively in the following posts.

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