使用小波包变换时的细节系数和近似系数问题
import pywt
cA,cD = pywt.dwt(audio,wavelet="db1", mode='smooth')
y1 = pywt.idwt(cA,None,wavelet="db1", mode='smooth')
y2 = pywt.idwt(None,cD,wavelet="db1", mode='smooth')
y3 = pywt.idwt(cA,cD,wavelet="db1", mode='smooth')
import pywt
cA,cD = pywt.dwt(audio,wavelet="db1", mode='smooth')
y1 = pywt.idwt(cA,None,wavelet="db1", mode='smooth')
y2 = pywt.idwt(None,cD,wavelet="db1", mode='smooth')
y3 = pywt.idwt(cA,cD,wavelet="db1", mode='smooth')