Measurement, Modelling and Synthesis of Violin Vibrato Sounds
We consider the influence of vibrato on the sound of a violin by direct measurement, theoretical modelling and synthesised vibrato tones. Detailed analysis of bowed vibrato sounds reveals complex, asymmetric with respect to time, periodic variations in frequency, amplitude and timbre. To account for such features, a dynamic model for vibrato is described, based on the multi-resonant dynamic response of the violin and performance space acoustic. The model is extended to simulate the vibrato tones of a violin in a chosen performing acoustic from a single measurement of the sound at the listener's position produced by a short impulse at the bridge, assuming a frequency modulated sawtooth bowing force at the bridge. Measurements, modelling and synthesis all underline the increasing importance of the performance acoustic on the vibrato-induced fluctuations of the violin's tone, as one moves away from the violin.
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Document Type: Research Article
Publication date: 2005-03-01
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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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