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Loudspeaker Line Arrays
Wednesday, May 27, 1998
Report by Raul Gonzalez, PNW Committee
On May 27, 1998 a joint meeting of the Acoustical Society of America/AES PNW was held at Andy's Diner south of downtown Seattle.
Todd Welti, Audio Systems Designer with Michael Yantis and Associates, gave a presentation on Loudspeaker Line Arrays. The audience of approximately 20 people included committee members from both organizations, industry representatives as well as newcomers interested in the fields of audio and acoustics.
Welty's presentation centered around the line array system upgrade Michael Yantis and Associates had recently finished at St. Marks Cathedral in Seattle. During the course of his presentation, Welty reviewed and explained several topics such as: unequally or logarithmically spaced line arrays, antenna arrays, shading/filtering techniques, and beam steering. Layouts for simple, curved, tapered, compound and barber pole line arrays were also examined and discussed.
The presentation concluded with the discussion of the positive results obtained by this system at St. Marks Cathedral.
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