speex使用陷波器去直流

speex使用filter_dc_notch16函数去除直流，其系统函数为： matlab代码： NLen = 1000; fs = 16000; radius = 0.982; den2 = 0.9646; a2 = [1 -2*radius den2]; b2 = [1*radius -2*radius 1*radius]; [h1,w1] = freqz(b2,a2,NLen); figur

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