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《Audio Engineering》 2009-10
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Large Signal Performance of Tweeter,Micro and Horn Loudspeaker

KLIPPEL Wolfgang(Klippel GmbH,Dresden 01277,Germany) WANG Fu-yu(Translated)(Huizhou Chaosheng Audio Co.,Ltd.,Tymphany China,Huizhou Guangdong 516223,China)  
Loudspeaker dedicated to high-frequency signals may also produce significant distortion in the acoustical output.The nonlinearities in motor and suspension can be modeled by equivalent circuits and dynamically measured by system identification technique based voltage and current monitoring.The indentified model is the basis for numerical prediction of the large signal performance and reveals the effect of each nonlinearity.The paper uses this technique for the diagnosis of three different drivers,compares measured and predicted distortion,investigates the thermal power compression and discusses the impact on the perceived sound quality.
【CateGory Index】: TN643
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