Python scipy 读取wav文件

环境信息

• ModelArts
  • Notebook - pytorch1.4-cuda10.1-cudnn7-ubuntu18.04
    • JupyterLab - Notebook - Conda-python3

scipy 读取wav文件

from scipy.io import wavfile

---------------------------------------------------------------------------
ModuleNotFoundError                       Traceback (most recent call last)
<ipython-input-11-d8cfb95a15c0> in <module>
----> 1 from scipy.io import wavfile

ModuleNotFoundError: No module named 'scipy'

!pip install scipy

Looking in indexes: http://repo.myhuaweicloud.com/repository/pypi/simple
Collecting scipy
  Downloading http://repo.myhuaweicloud.com/repository/pypi/packages/7d/e8/43ffca541d2f208d516296950b25fe1084b35c2881f4d444c1346ca75815/scipy-1.6.3-cp37-cp37m-manylinux1_x86_64.whl (27.4 MB)
     |████████████████████████████████| 27.4 MB 20.5 MB/s eta 0:00:01         | 8.7 MB 20.5 MB/s eta 0:00:01��████████              | 15.4 MB 20.5 MB/s eta 0:00:01 eta 0:00:01
Requirement already satisfied: numpy<1.23.0,>=1.16.5 in /home/ma-user/modelarts-sdk (from scipy) (1.21.0)
Installing collected packages: scipy
Successfully installed scipy-1.6.3

from scipy.io import wavfile
wav_file = wavfile.read("1.wav")
wav_file

(48000,
 array([[  0,   0],
        [  0,   0],
        [  0,   0],
        ...,
        [ -4,  -7],
        [  6,  -7],
        [-17, -34]], dtype=int16))

help

help(wavfile.read)

Help on function read in module scipy.io.wavfile:

read(filename, mmap=False)
    Open a WAV file.
    
    Return the sample rate (in samples/sec) and data from an LPCM WAV file.
    
    Parameters
    ----------
    filename : string or open file handle
        Input WAV file.
    mmap : bool, optional
        Whether to read data as memory-mapped (default: False).  Not compatible
        with some bit depths; see Notes.  Only to be used on real files.
    
        .. versionadded:: 0.12.0
......

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