Physiological Control of Low-Dimensional Glottal Models with Applications to Voice Source Parameter Matching
This study explores the possibility for physical models of the glottis to accurately reproduce target glottal flow waveforms. A set of rules is proposed for controlling a two-mass physical model through activation levels of laryngeal muscles. The proposed rules convert muscle activities into physical quantities such as fold adduction, mass, thickness, depth, stiffness. Numerical simulations of the glottal model, controlled through this set of rules, are used in order to construct a codebook between muscular activations and a set of relevant acoustic parameters of the voice source, such as foundamental frequency, open quotient, speed quotient, and return quotient. The paper explores the potentialities of the derived codebook for the control of the glottal model, and its applications to voice source parameter matching. A fitting procedure is developed, and it is shown that the parameters of the physiologically-controlled two-mass model can be matched to fit target signals (glottal flow pulses) with good accuracy.
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Document Type: Research Article
Publication date: 2006-09-01
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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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