关于【Scipy文件输入/输出】可参考：https://blog.csdn.net/Dorisi_H_n_q/article/details/82584668
read
scipy.io.wavfile.read(filename, mmap=False)
Open a WAV file. Return the sample rate (in samples/sec) and data from a WAV file.
- Parameters
-
- filename [ string or open file handle] Input wav file.
- mmap [ bool, optional] Whether to read data as memory-mapped. Only to be used on real files (Default: False). New in version 0.12.0.
- Returns
-
- rate [ int] Sample rate of wav file.
- data [ numpy array] Data read from wav file. Data-type is determined from the file; see Notes.
write
scipy.io.wavfile.write(filename, rate, data)
Write a numpy array as a WAV file.
-
- filename [ string or open file handle] Output wav file.
- rate [ int] The sample rate (in samples/sec).
- data [ ndarray] A 1-D or 2-D numpy array of either integer or float data-type.