| 摘要 |
An active noise conditioning system (50) for use with a combustion engine (12) and exhaust system (10) is provided. A controller (52) receives an exhaust noise signal (42), along with various other feedback signals (44, 60) for producing an anti-noise signal (62) in response to the input signals (42, 44, 60). An amplifier (54) is provided for receiving and amplifying the anti-noise signal (62). A wave generator (56) receives the amplified anti-noise signal (64) and generates an audio anti-noise signal. The output (38) of the wave generator (56) is collocated with the exhaust pipe (24) of the exhaust system (10), where the audio anti-noise signal and the exhaust noise are acoustically coupled (37), which effects cancelling of the exhaust noise. <IMAGE>
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