Modeling Vocal Tract Influence

In this section, we explore the influence of upstream vocal tract resonances in reed wind instrument performance and modeling. Vocal tract manipulations are a common, though sometimes subtle, performance practice exploited by experienced musicians to produce a variety of important acoustic effects, including contemporary performance techniques such as multiphonics and extended range playing. Several previous acoustic studies have been conducted and most agree that the upstream system can have significant influence under certain circumstances. There is less agreement regarding the importance of this mechanism in ``traditional'' playing ranges and conditions.

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