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Structural Information Theory of Sound

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The topic addressed is the structural information theory of sound. By relating acoustical wave phenomena to Dirac's representation of quantum mechanics, a new information analysis of sound is obtained using the principle of superposition. Unlike digital encoding which is not explainable by wave mechanics, the elementary sound quantum of information obeys Bose statistics. Sound, electromagnetism and hydrodynamics are directly compared and all are based on the geometry of energy forms, which provides the foundation for quantum physics. There are three major assumptions fundamental to the present theory: (1) a quantum mechanical approach is basic to the definition of elementary signals; (2) two uncertainty relations relating four parameters of any wave are required in order to define elementary signals; and (3) these underlying relations are based on the geometry of energy forms. The uniqueness of the present theory lies in the fact that two uncertainty relations – not one – are required, and that four – not two – wave parameters are required. The possibility of applying this analysis to wave encoding and decoding is discussed using a sampling technique based on interpolation theory.
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Document Type: Research Article

Publication date: 01 December 1976

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  • Acta Acustica united with Acustica, published together with the European Acoustics Association (EAA), is an international, peer-reviewed journal on acoustics. It publishes original articles on all subjects in the field of acoustics, such as general linear acoustics, nonlinear acoustics, macrosonics, flow acoustics, atmospheric sound, underwater sound, ultrasonics, physical acoustics, structural acoustics, noise control, active control, environmental noise, building acoustics, room acoustics, acoustic materials, acoustic signal processing, computational and numerical acoustics, hearing, audiology and psychoacoustics, speech, musical acoustics, electroacoustics, auditory quality of systems. It reports on original scientific research in acoustics and on engineering applications. The journal considers scientific papers, technical and applied papers, book reviews, short communications, doctoral thesis abstracts, etc. In irregular intervals also special issues and review articles are published.
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