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A determination of the acoustical input impedance characteristics of human ears

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In a previous paper [2] the author described the difficulties associated with acoustical impedance measurements on real ears and developed a method for obtaining acceptable results. This paper describes the application of the method to the measurement of 48 normal hearing adult males at 15 frequencies within the range of 120 to 4000 c/s. Analysed results are given showing mean, standard deviation and 95% confidence limits for both the resistive and reactive components of the impedance. From these results “average” curves are deduced demonstrating the relatively complex relationship between the impedance and frequency. The reactive component of impedance is shown to exhibit an anomalous variation at low frequencies.
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Document Type: Research Article

Publication date: January 1, 1963

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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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