SUB ZERO SOUND
Sound Systems & Home Theaters
Location: North of Dallas, Texas, including
Sound Reflections and Computer Modeling
The shape of the room, along with the absorption and diffusion
elements in the room, are what affect sound reflections.
We recommend sound absorption and diffusion treatments based
on fundamental parameters established for improving concert
hall acoustics. Some companies use the dubious, and greatly
over-simplified, "live end dead end" method or the "first
reflection mirror" method to recommend acoustical treatments.
Other companies use "sophisticated" computer programs to model
the room and predict what various acoustical treatments will
sound like. Unfortunately, there are no computer programs
available that are completely accurate. The computer can calculate
sound reflections at specific angles from a particular location on the
stage (or the front of the room) to a designated seat, but if you
move to a different location on the stage, or a different seat,
everything changes. Even moving your head slightly at the same
seat will change everything, not to mention that the computer
programs don't even take into account the fact that you have two
ears. The sound in a room is kind of like the weather outside, so
computer models are never completely accurate because there are
too many variables.
We conduct an acoustical analysis of your space, considering room shape, surface diffusivity, and sound proofing requirements to make recommendations tailored to your expectations. Because the room interacts with and changes sound in many ways, we calculate reverberation time and inter-aural cross correlation. We can then recommend sound absorption and diffusion treatments to enhance audience listening. Using architectural drawings, block diagrams and electrical schematics, we make sure the finished product complies with all applicable requirements.
Example Ceiling Absorbers at Murray Feiss:
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