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Models for Speech Signals Analysis Taking into Account the Effect of Masking

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An auditory model for speech data reduction is outlined. The Fourier spectrum is calculated for successive millisecond segments and the power in successive critical bands (Zwicker and Feldtkeller) is determined. In the next stage conditions of masking within a segment is determined and also the forward masking within 100 to 200 ms and the backward masking within 25 ms. Frequency-time quanta which remain unmasked constitute the final specification. The average number of significant quanta within a sample is 3 to 10.
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Document Type: Research Article

Publication date: December 1, 1974

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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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