The current time-honored automotive sound system adjustment approach is to set the tuning equalization (EQ) of the audio system through objective and subjective evaluation means, to achieve a single average setting for the range of listener positions. This is shown to result in degraded audio playback for those whose seating position puts their ears on the fringes of the normally measured space (5th through 95th percentile, mixed gender adults). Deviation over the space is especially notable in the case of nearfield speakers, like headrest and overhead speakers. Methods to remedy this sub-optimal outcome are investigated and an automatic means to make suitable adjustments resulting from this study is experimentally evaluated.

Authors: Lane, Jonathan R.; Perkins, Hannah; Field, Daniel
Affiliations: Panasonic Automotive (Retired), Whitmore Lake, Michigan, USA; Independent Researcher, Farmington Hills, Michigan, USA; Panasonic Automotive (Retired), Palmetto, Florida, USA(See document for exact affiliation information.)
AES Conference: 2022 AES International Conference on Automotive Audio (June 2022)
Paper Number: 1
Publication Date: June 8, 2022
Subject: Automotive Audio

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