From the spectrum analysis tone quality of bell is obtained. The sound of chime bell can also be analyzed by the method of linear prediction used in signal processing. The accuracy of pitch frequency obained by this method is high.
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- 用FFT做實(shí)際和模型編鐘聲的短時(shí)頻譜分析,應用了信號處理中線(xiàn)性預測等方法來(lái)分析編鐘聲,實(shí)驗表明用線(xiàn)性預測法計算基音頻率是有足夠高的準確度的。
