Cylindrical Bore (Open-Open): ============== (All Harmonics) Cylindrical Bore (Closed-Open): [============= (Odd Harmonics Only) Conical Bore (Closed-Open): [============> (All Harmonics)
Air Columns And Toneholes: Principles For Wind Instrument Design Despite being closed at one end, the geometry
Toneholes allow a player to change the effective length of the instrument by providing an "acoustic short circuit" to the outside air. Despite being closed at one end
Modern instrument manufacturing pushes these principles to balance ergonomics with perfect intonation. Register Keys and Venting Holes Despite being closed at one end, the geometry
These tubes flare outward. Despite being closed at one end, the geometry of a cone allows the instrument to act like an open cylinder, producing a full harmonic spectrum. The Speed of Sound
A wind instrument produces sound by setting a column of air into vibration, creating a longitudinal standing wave . The nature of this wave depends on two primary factors: Bore Geometry Cylindrical Bores