音频处理 windows10下python三方库librosa安装教程

librosa是处理音频库里的opencv,使用python脚本研究音频,先安装三方库librosa。

如下通过清华镜像源安装librosa;

pip install -i https://pypi.tuna.tsinghua.edu.cn/simple librosa

D:\D00_Python3\D00A2_python3.7.3\install>pip install -i https://pypi.tuna.tsinghua.edu.cn/simple librosa

 

Looking in indexes: https://pypi.tuna.tsinghua.edu.cn/simple

Processing c:\users\administrator\appdata\local\pip\cache\wheels\6e\d3\47\7582e7e63ee9127f4773adeb8dcd8490771c063e2607354ba0\librosa-0.7.2-py3-none-any.whl

Requirement already satisfied: numba>=0.43.0 in d:\d00_python3\d00a2_python3.7.3\install\lib\site-packages (from librosa) (0.50.0)

Requirement already satisfied: joblib>=0.12 in d:\d00_python3\d00a2_python3.7.3\install\lib\site-packages (from librosa) (0.15.1)

Requirement already satisfied: resampy>=0.2.2 in d:\d00_python3\d00a2_python3.7.3\install\lib\site-packages (from librosa) (0.2.2)

Requirement already satisfied: numpy>=1.15.0 in d:\d00_python3\d00a2_python3.7.3\install\lib\site-packages (from librosa) (1.18.5)

Requirement already satisfied: audioread>=2.0.0 in d:\d00_python3\d00a2_python3.7.3\install\lib\site-packages (from librosa) (2.1.8)

Requirement already satisfied: scipy>=1.0.0 in d:\d00_python3\d00a2_python3.7.3\install\lib\site-packages (from librosa) (1.4.1)

Requirement already satisfied: soundfile>=0.9.0 in d:\d00_python3\d00a2_python3.7.3\install\lib\site-packages (from librosa) (0.10.3.post1)

Requirement already satisfied: scikit-learn!=0.19.0,>=0.14.0 in d:\d00_python3\d00a2_python3.7.3\install\lib\site-packages (from librosa) (0.23.1)

Requirement already satisfied: six>=1.3 in d:\d00_python3\d00a2_python3.7.3\install\lib\site-packages (from librosa) (1.15.0)

Requirement already satisfied: decorator>=3.0.0 in d:\d00_python3\d00a2_python3.7.3\install\lib\site-packages (from librosa) (4.4.2)

Requirement already satisfied: setuptools in d:\d00_python3\d00a2_python3.7.3\install\lib\site-packages (from numba>=0.43.0->librosa) (47.1.1)

Requirement already satisfied: llvmlite<0.34,>=0.33.0.dev0 in d:\d00_python3\d00a2_python3.7.3\install\lib\site-packages (from numba>=0.43.0->librosa) (0.33.0)

Requirement already satisfied: cffi>=1.0 in d:\d00_python3\d00a2_python3.7.3\install\lib\site-packages (from soundfile>=0.9.0->librosa) (1.14.0)

Requirement already satisfied: threadpoolctl>=2.0.0 in d:\d00_python3\d00a2_python3.7.3\install\lib\site-packages (from scikit-learn!=0.19.0,>=0.14.0->librosa) (2.1.0)

Requirement already satisfied: pycparser in d:\d00_python3\d00a2_python3.7.3\install\lib\site-packages (from cffi>=1.0->soundfile>=0.9.0->librosa) (2.20)

Installing collected packages: librosa

Successfully installed librosa-0.7.2

 

D:\D00_Python3\D00A2_python3.7.3\install>

pip list查看三方包:

D:\D00_Python3\D00A2_python3.7.3\install>pip list

Package Version

-------------------- ------------

absl-py 0.9.0

astor 0.8.1

audioread 2.1.8

cffi 1.14.0

decorator 4.4.2

defusedxml 0.6.0

gast 0.3.3

google-pasta 0.2.0

grpcio 1.29.0

h5py 2.10.0

importlib-metadata 1.6.1

joblib 0.15.1

Keras-Applications 1.0.8

Keras-Preprocessing 1.1.2

librosa 0.7.2

llvmlite 0.33.0

Markdown 3.2.2

networkx 2.2

numba 0.50.0

numpy 1.18.5

pip 20.1.1

protobuf 3.12.2

pycparser 2.20

resampy 0.2.2

scikit-learn 0.23.1

scipy 1.4.1

setuptools 47.1.1

six 1.15.0

SoundFile 0.10.3.post1

tensorboard 1.14.0

tensorflow 1.14.0

tensorflow-estimator 1.14.0

termcolor 1.1.0

threadpoolctl 2.1.0

Werkzeug 1.0.1

wheel 0.34.2

wrapt 1.12.1

zipp 3.1.0

D:\D00_Python3\D00A2_python3.7.3\install>

如上

librosa ---- 0.7.2

numba-----0.50.0

下面使用librosa,报的是numba的错误!

D:\D00_Python3\D00A2_python3.7.3\install>python -c "import librosa"

Traceback (most recent call last):

File "<string>", line 1, in <module>

File "D:\D00_Python3\D00A2_python3.7.3\install\lib\site-packages\librosa\__init__.py", line 12, in <module>

from . import core

File "D:\D00_Python3\D00A2_python3.7.3\install\lib\site-packages\librosa\core\__init__.py", line 125, in <module>

from .time_frequency import * # pylint: disable=wildcard-import

File "D:\D00_Python3\D00A2_python3.7.3\install\lib\site-packages\librosa\core\time_frequency.py", line 11, in <module>

from ..util.exceptions import ParameterError

File "D:\D00_Python3\D00A2_python3.7.3\install\lib\site-packages\librosa\util\__init__.py", line 77, in <module>

from .utils import * # pylint: disable=wildcard-import

File "D:\D00_Python3\D00A2_python3.7.3\install\lib\site-packages\librosa\util\utils.py", line 15, in <module>

from .decorators import deprecated

File "D:\D00_Python3\D00A2_python3.7.3\install\lib\site-packages\librosa\util\decorators.py", line 9, in <module>

from numba.decorators import jit as optional_jit

ModuleNotFoundError: No module named 'numba.decorators'

D:\D00_Python3\D00A2_python3.7.3\install>

解决办法:

卸载numba后,重新安装降版本的numba,安装numba==0.48.0

pip uninstall numba

pip install -i https://pypi.tuna.tsinghua.edu.cn/simple numba==0.48.0

python -c "import librosa;print(librosa.__version__) "

可以看到成功安装了正确可使用的librosa库!

D:\D00_Python3\D00A2_python3.7.3\install>pip uninstall numba

Found existing installation: numba 0.50.0

Uninstalling numba-0.50.0:

Would remove:

d:\d00_python3\d00a2_python3.7.3\install\lib\site-packages\numba-0.50.0.dist-info\*

d:\d00_python3\d00a2_python3.7.3\install\lib\site-packages\numba\*

d:\d00_python3\d00a2_python3.7.3\install\scripts\numba

d:\d00_python3\d00a2_python3.7.3\install\scripts\pycc

Proceed (y/n)? y

Successfully uninstalled numba-0.50.0

D:\D00_Python3\D00A2_python3.7.3\install>pip install -i https://pypi.tuna.tsinghua.edu.cn/simple numba==0.48.0

Looking in indexes: https://pypi.tuna.tsinghua.edu.cn/simple

Collecting numba==0.48.0

Downloading https://pypi.tuna.tsinghua.edu.cn/packages/f5/ca/9e47464d388c3372454639d1739fa21605862c8815d53279e1216b5694e1/numba-0.48.0-cp37-cp37m-win_amd64.whl (2.1 MB)|█████████████████████████████▌ | 1.9 MB 2.2 MB/s eta 0:00:01 |██████████████████████████████ | 2.0 MB 2.2 MB/s eta 0:00:01 |██████████████████████████████▌ | 2.0 MB 2.2 MB/s eta 0:00:0 |███████████████████████████████ | 2.0 MB 2.2 MB/s eta 0:00:0 |███████████████████████████████▌| 2.1 MB 2.2 MB/s eta 0:00: |████████████████████████████████| 2.1 MB 2.2 MB/s

Requirement already satisfied: setuptools in d:\d00_python3\d00a2_python3.7.3\install\lib\site-packages (from numba==0.48.0) (47.1.1)

Requirement already satisfied: numpy>=1.15 in d:\d00_python3\d00a2_python3.7.3\install\lib\site-packages (from numba==0.48.0) (1.18.5)

Collecting llvmlite<0.32.0,>=0.31.0dev0

Downloading https://pypi.tuna.tsinghua.edu.cn/packages/1d/83/cd2843726a6316e372822e9e42cd0083b6d1d98d89d53880e7e67d5eec68/llvmlite-0.31.0-cp37-cp37m-win_amd64.whl (13.6 MB)

████████████████████████████▌ | 12.1 MB 3.3 MB/s eta 0:00:01 |█████████████████████████████ | 12.5 MB 3.3 MB/s eta 0:00:01 |██████████████████████████████ | 12.9 MB 3.3 MB/s eta 0:00:0 |██████████████████████████████▌ | 13.1 MB 3.3 MB/s eta 0:00: |████████████████████████████████| 13.6 MB 434 kB/s

Installing collected packages: llvmlite, numba

Attempting uninstall: llvmlite

Found existing installation: llvmlite 0.33.0

Uninstalling llvmlite-0.33.0:

Successfully uninstalled llvmlite-0.33.0

Successfully installed llvmlite-0.31.0 numba-0.48.0

D:\D00_Python3\D00A2_python3.7.3\install>python -c "import librosa;print(librosa.__version__) "

0.7.2

总结

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