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Construction and characterization of an omnidirectional parametric loudspeaker consisting of ultrasound transducers set on sphere
Arnela Coll, Marc; Sánchez Martín, Patrícia; Hervás García, Marcos; Camps Dausà, Joan; Guasch Fortuny, Oriol; Martínez Suquía, Carme; Alsina Pagès, Rosa Maria (Novem 2018. Noise and vibration emerging methods, 2018)Standard omnidirectional sound sources typically consist of conventional loudspeakers arranged in a dodecahedral configuration. For such devices, a microphone in a circular trajectory around the source ... -
Construction of an Omnidirectional Parametric Loudspeaker consisting in a Spherical Distribution of Ultrasound Transducers
Arnela Coll, Marc; Guasch Fortuny, Oriol; Sánchez Martín, Patrícia; Camps Dausà, Joan; Alsina Pagès, Rosa Maria; Martínez Suquía, Carme (Sensors. 2018, Vol. 18, No. 12, 2018-12)Omnidirectional sound sources are needed to perform a large variety of tests in acoustics. Typically, they consist of conventional speaker drivers arranged in a dodecahedron. However, the directivity ...