Experimental Results when Playing Chromatically on a Diatonic Harmonica
One can play chromatically on a diatonic harmonica by using different playing modes: normal playing, bends and overnotes (overblows and overdraws). For each playing mode, the reed motions were measured with strain gauges and the inner pressures were recorded at the same time with a differential pressure transducer. The reed motions were shown to be sinusoidal. The control of active reed motion(s) on the evolutions of the inner pressure was underlined. The internal mechanisms occurring during playing were systematically analyzed. Modelling of the reeds operation was derived and explanations for the harmonic content of the sound is given.
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Document Type: Research Article
Publication date: 2001-03-01
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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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