This paper describes the measurement and assessment method for sound field in a car cabin, which is so small that conventional room acoustical parameters cannot be employed directly. Firstly, we measured the sound field using multi-channel microphone system and calculated some room acoustical parameters for judging their validity in the car cabin. As a result, we could conclude that many of the conventional parameters do not have useful meaning in a car and its audio system. By analyzing the impulse responses from many cars, we could develop some parameters for more profound assessment of the sound field in a car.

Authors: Choi, Chulmin; Kim, Lae-hoon; Oh, Yangki; Doo, Sejin; Sung, Koeng-Mo
Affiliations: School of Electric and Computer Engineering, Seoul National University ; Dept. of Broadcast Eng., Dong-Ah Broadcasting College ; Dept. of Architecture, Mokpo National University ; Seoul, Kwanakgu Shinlimdong Seoul Nat’l Univ., KOREA(See document for exact affiliation information.)
AES Convention: 113 (October 2002) Paper Number: 5701
Publication Date: October 1, 2002
Session Subject: Audio Networking; Automotive Audio

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