Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 30, 2008
Patent Application Number
11201067
Date Filed
August 11, 2005
Patent Primary Examiner
Patent abstract
A room acoustic diffuser exploits interference, by reflecting waves out-of-phase with the specular energy, making it possible to diminish specular energy. This is achieved by using a diffuser based on a ternary sequence, which nominally has reflection coefficients of 0, −1 and +1. A method for obtaining the design sequence for Quaternary diffusers is also disclosed. Also, design methods for forming the sequences into arrays, and forming hemispherical diffusers are explained.
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