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Directivities of Symphony Orchestra Instruments

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The sound radiation patterns of musical instruments represent a considerable part of the perceived room acoustics. The directivities of fourteen common symphony orchestra instruments and a soprano singer during performance are investigated. For this purpose, each instrument was recorded with the musician in an anechoic room with 22 microphones distributed around the player. As the result, directivities of the strings and woodwind instruments are noticed to change with the played tone while the brass instruments radiate constantly in the direction of the bell. Playing dynamics was not found to affect the directivity although the spectrum of the sound changes considerably in particular with the brass instruments. The results can be utilized with source modeling in room acoustics simulation and in research on musical acoustics.

Document Type: Research Article


Publication date: January 1, 2010

More about this publication?
  • 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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