@conference{sato2017filter, title = {Filter Design of a Circular Loudspeaker Array Considering the Three-Dimensional Directivity Patterns Reproduced by Circular Harmonic Modes}, author = {Sato, Koya and Haneda, Yoichi}, booktitle = {Audio Engineering Society Convention 142}, month = {May}, year = {2017}, url = {https://www.aes.org/e-lib/browse.cfm?elib=18643} }