Fast reading of all kind of audio files
Project description
The python package audiofile provides a meta package to handle all kind of audio files under Python with a focus on reading speed.
Documentation: https://audiofile.readthedocs.io/
Installation
It is recommended to first create a Python virtual environment using a tool like virtualenv, e.g.
virtualenv --python=/usr/bin/python3 --no-site-packages _env
source _env/bin/activateAfterwards install audiofile with
pip install audiofileIn order to handle all possible audio files, please make sure ffmpeg and mediainfo are installed on your system.
If you want to use Python 2.7 make sure you install the following backports package as well:
pip install backports.tempfileUsage
Import the package and use it to write or read an audio file, or get information about its metadata:
import numpy as np
import audiofile as af
sampling_rate = 8000 # in Hz
noise = np.random.normal(0, 1, sampling_rate)
noise /= np.amax(np.abs(noise))
af.write('noise.wav', noise, sampling_rate)
af.channels('noise.wav')
af.duration('noise.wav')
sig, fs = af.read('noise.wav')It should work with every audio file you will work with. WAV, FLAC, and OGG files are handled by soundfile. The reading of all other audio files is managed by converting them to a temporary WAV file by pysox or ffmpeg, which means it can handle audio from video files as well.
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