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Das dynamische Verhalten des Gehörs bei der Unterteilung des Schall-spektrums in Frequenzgruppen

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For the formation of masking thresholds of wide-band pulses (white noise pulses, pressure pulses) the spectral separation of the sound signal into frequency groups is of great significance, besides the inherent persistence of the ear. The high selectivity of the ear is not permanent, but is built up within a certain period of time after incidence of the signal. Therefore very short signals are not separated at all; their masking thresholds are only determined by the total energy. However, with long pulses or continuous signals respectively only the intensity of one frequency group is responsible for the masking threshold.

With the help of a special scanning system that period of time is directly measured, which is necessary for the ear to separate the sound spectrum into frequency groups. This time is about 10 ms. Masking thresholds of white noise pulses calculated accordingly as a function of the pulse duration are in good agreement with the measured masking thresholds.
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Document Type: Research Article

Publication date: January 1, 1962

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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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