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Design, Control, and Evaluation of Mixed-Order, Compact Spherical Loudspeaker Arrays
No full textBeamforming on the icosahedral loudspeaker (IKO), a compact, spherical loudspeaker array, was recently established and investigated as an instrument to produce auditory sculptures (i.e., 3-D sonic imagery) in electroacoustic music. Sound beams in the horizontal plane most effectively and expressively produce auditory objects via lateral reflections on sufficiently close walls and baffles. Can there be 3-D-printable arrays at drastically reduced cost and transducer count, but with similarly strong directivity in the horizontal plane? To find out, we adopt mixed-order Ambisonics schemes to control fewer, and predominantly horizontal, beam patterns, and we propose the 3|9|3 array as a suitable design, with beamforming crossing over to Ambisonics panning at high frequencies. Analytic models and measurements on hardware prototypes permit a comparison between the new design and the IKO regarding beamforming capacity. Moreover, we evaluate our 15-channel 3|9|3 prototype in listening experiments to find out whether the sculptural qualities and auditory object trajectories it produces are comparable to those of the 20-channel IKO
Harp: Movement 1
No full textStimme Harfe, Mediterranean: Concerto for Guitar and Orchestra, John McLaughlin, orchestrated by Michael Gibbs, 202
Solo Guitar: Movement 3
No full textStimme Solo- Gitarre, Mediterranean: Concerto for Guitar and Orchestra, John McLaughlin, orchestrated by Michael Gibbs, 202
Oboe 3 (Cor Anglais): Movement 2
No full textStimme Oboe 3 (Englischhorn) , Mediterranean: Concerto for Guitar and Orchestra, John McLaughlin, orchestrated by Michael Gibbs, 202
Bassoon 2: Movement 1
No full textStimme Fagott 2, Mediterranean: Concerto for Guitar and Orchestra, John McLaughlin, orchestrated by Michael Gibbs, 202
Oboe 1: Movement 1
No full textStimme Oboe 1, Mediterranean: Concerto for Guitar and Orchestra, John McLaughlin, orchestrated by Michael Gibbs, 202
Bassoon 1: Movement 2
No full textStimme Fagott 1, Mediterranean: Concerto for Guitar and Orchestra, John McLaughlin, orchestrated by Michael Gibbs, 202
A Grammatical Merger of Heterogeneous Musical Structures: The Vocal Polyphony Ntano of the Sena of Southern Malaŵi
No full textExtended version of Klaus-Peter Brenner (2020), “A Grammatical Merger of Heterogeneous Musical Structures: The Vocal Polyphony Ntano of the Sena of Southern Malaŵi.” In Understanding Musics: Festschrift on the Occasion of Gerd Grupe\u27s 65th Birthday, ed. Malik Sharif and Kendra Stepputat, 125–151. Düren: Shaker
