Importance

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Abstract

Crown assemblies are described, having novel extension units, selectable vibrational lengths, stoppers with flexible coupling to the crown and regulated pressure against a headjoint tube, and crowns with radial-arm contact surfaces. The novel extension units are situated between the embouchure and the crown and extend the vibrational length between those points. This extension gives the flute tone greater depth and resonance and gives the player greater control over the vibration of the flute tube. A selectable extension unit features distinct vibrational lengths at indexed points of rotation of the crown, providing a means for rapidly changing the tone and response of the instrument in a fashion heretofore unknown on flutes. Improvements to crown and stopper design allow freer vibration of the headjoint tube between embouchure and crown, further enhancing the benefits of the novel extension unit.

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First Claim