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* Corresponding author 1 STMS - Sciences et Technologies de la Musique et du Son

Abstract : In reverberant acoustic environments the perception of timbre at a listener’s position depends on the radiation characteristics of the sound source. Numerous studies have shown that radiation patterns of acoustic instruments vary with frequency and time. Thus, one area of large concern that is a topic of ongoing research is the measurement, reproduction, and compact description of sound source radiation patterns. A simple and efficient physical model for calculating the directional pattern of woodwind instruments with curved tubes is presented in this study. It calculates the far-field sound pressure on a sphere surrounding the instrument, also taking into account the directivity of the openings holes and the bell. Simulation results are compared to the radiation patterns of a saxophone measured in an anechoic chamber with a surrounding spherical microphone array.

Keywords : instrumental acoustics acoustic radiation

Autor: René Caussé - Markus Noisternig - Vincent Le Piouffle Nicolas Misdariis



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