Nonlinear Acoustic Propagation Applied to Brassiness Studies, a New Simulation Tool in the Time Domain
A time-domain numerical model of brass instrument sound production is proposed as a tool to predict their brassiness. It is based on the generalized Burger's equations which can be used to model weakly nonlinear wave propagation in non uniform ducts, as described in  where a frequency domain tool has been presented. The relevance of the present time-domain tool is evaluated by simulating idealized cases for which the results are theoretically known, and by doing preliminary simulations compared with previous results obtained for periodic regimes of brass instruments using the frequency domain tool.
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Document Type: Research Article
Publication date: 2017-01-01
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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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