| Paper: | AE-L2.5 | ||
| Session: | Spatial and Multichannel Audio | ||
| Time: | Tuesday, May 18, 16:50 - 17:10 | ||
| Presentation: | Lecture | ||
| Topic: | Audio and Electroacoustics: Spatial and Multichannel Audio | ||
| Title: | FLEXIBLE LAYOUT AND OPTIMAL CANCELLATION OF THE ORTHONORMALITY ERROR FOR SPHERICAL MICROPHONE ARRAYS | ||
| Authors: | Zhiyun Li; University of Maryland, College Park | ||
| Ramani Duraiswami; University of Maryland, College Park | |||
| Elena Grassi; University of Maryland, College Park | |||
| Larry Davis; University of Maryland, College Park | |||
| Abstract: | This paper describes an approach to achieving a flexible layout of microphones on the surface of a spherical microphone array for beamforming. Our approach achieves orthonormality of spherical harmonics to higher order for relatively distributed layouts. This gives great flexibility in microphone layout on the spherical surface. One direct advantage is it makes much easier to build a real world system, such as those with cable outlets and a mounting base, with minimal effects on the performance. Simulation results are presented. | ||
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