Python scipy 读取wav文件

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scipy 读取wav文件

from scipy.io import wavfile --------------------------------------------------------------------------- ModuleNotFoundError Traceback (most recent call last) in ----> 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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