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Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/25712

Title: Hydraulophones: Acoustic Musical Instruments and Expressive User Interfaces
Authors: Janzen, Ryan E.
Advisor: Mann, Steve
Department: Electrical and Computer Engineering
Keywords: hydraulophone
acoustics
liquid
state of matter
water
oscillation
hydraulophonic
sound production
karmanizer
turbulence
Von Karman
vortex
Poiseuille
Embouchure
user interface
expressivity
suite for hydraulophone
composition
absement
presement
musical instruments
underwater
hydrophone
jet
Particle Rejection Theory
0986
0413
Issue Date: 3-Jan-2011
Abstract: Fluid flow creates an expansive range of acoustic possibilities, particularly in the case of water, which has unique turbulence and vortex shedding properties as compared with the air of ordinary wind instruments. Sound from water flow is explained with reference to a new class of musical instruments, hydraulophones, in which oscillation originates directly from matter in its liquid state. Several hydraulophones which were realized in practical form are described. A unique user-interface consisting of a row of water jets is presented, in terms of its expressiveness, tactility, responsiveness to derivatives and integrals of displacement, and in terms of the direct physical interaction between a user and the physical process of sound production. Signal processing algorithms are introduced, which extract further information from turbulent water flow, for industrial applications as well as musical applications.
URI: http://hdl.handle.net/1807/25712
Appears in Collections:Master

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