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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: hydraulophoneacousticsliquidstate of matterwateroscillationhydraulophonicsound productionkarmanizerturbulenceVon KarmanvortexPoiseuilleEmbouchureuser interfaceexpressivitysuite for hydraulophonecompositionabsementpresementmusical instrumentsunderwaterhydrophonejetParticle Rejection Theory09860413 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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