Sound artist Bill Fontana creates works that often show the hidden music of everyday environments. His new work amplifies still bells at the Grace Cathedral in San Francisco.
Abstract: In this paper, the audio sound field generated by a focusing parametric array loudspeaker (PAL) is investigated both numerically and experimentally. A computationally efficient method is ...
Abstract: The letter provides a geometrical interpretation of frequency in electric circuits. According to this interpretation, the frequency is defined as a multivector with symmetric and ...
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