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Development of Active Sound Control
Technical Paper
2008-08-0489
Sector:
Event:
JSAE Autumn Conference
Language:
Japanese
Abstract
Active Sound Control (ASC) system (advanced Active Noise Control (ANC)) in automobiles has been developed and adopted into mass production vehicles. The purpose of this paper is to introduce the ASC system. This ASC not only reduces engine booming noise during idling and cruising under ANC but also synthesizes sporty sound during acceleration. Since it is difficult to create liner interior sound only by intake and exhaust systems, the ASC creates an interior sound with intake and exhaust systems according to the state of acceleration. Using the ASC, linear sporty sound is achieved over the whole engine revolution range.