Performance Studies on a New Artificial Ear
Component values of an eight-element electrical network analogue which simulates the acoustical impedance of the average human ear have been agreed as provisional design parameters for an I.E.C. artificial ear. A device which conforms to these parameters has been previously described by the authors and this paper compares its performance in calibrating different types of audiometric earphone with direct subjective calibrations. Over a wide frequency range it is superior to artificial ears and couplers in general use and the new device also reproduces the real ear threshold sound pressure level. However, the principal advantage is that at any frequency a single value of equivalent threshold sound pressure level, independent of earphone type, can now be specified and values have been derived which are compatible with current I.S.O. Recommendations.
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Document Type: Research Article
Publication date: January 1, 1967
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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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