FangGuoZheng

楼主你好，用python分析200hz.wav音频，经过傅里叶变换得出频率为1000，不应该是200么，求大佬解答一下 代码输出结果： 1000.0 3612513689.5074916 代码如下： import numpy as np import scipy.io.wavfile as wav from scipy.fft import fft, fftfreq, rfft, rfftfreq from matplotlib import pyplot as plt rate, all_samples = wav.read(r"D:\XXX\200hz.wav")...