Non-linear propagation characteristics in the evolution of brass musical instruments design
Résumé
The capacity of brass instruments to generate sounds with strong high-frequency components is dependent on the extent to which the bore profile supports non-linear propagation. At high dynamic levels some instruments are readily sounded in a cuivré (brassy) manner: it is now recognised that this phenomenon is due to shock wave generation. Non-linear propagation is also evident to some extent in playing at lower dynamic levels and contributes to the overall tonal character of the various kinds of brass instrument.
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