The current project describes the design of a tuning or alignment processor for a system based on multiple satellite speakers and a single subwoofer. It explains the methodology used to solve this problem and the procedure to arrive to a viable solution. On one side, the procedure was based on filter design techniques to optimize phase relationships; however, these phase relations are often unknown due to the possibility of changing the relative positions of the speakers. Accordingly, a statistical analysis was used to determine the most stable set of parameters across different speaker locations and acoustical environments, implying that the same alignment parameters can be implemented in multiple circumstances without significant performance degradation.

Authors: Sierra, Juan; Kamrava, Jonathan; Espinosa, Pablo; Arneson, Jon M.; Kohut, Paul
Affiliations: Stanford University, Stanford, CA, USA; Meyer Sound Laboratories, Berkeley, CA, USA(See document for exact affiliation information.)
AES Convention: 145 (October 2018) Paper Number: 10057
Publication Date: October 7, 2018
Subject: Signal Processing—Part 2

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