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carlthome
268 Stars 43 Forks MIT License 139 Commits 14 Opened issues

Description

Apply audio effects such as reverb and EQ directly to audio files or NumPy ndarrays.

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pysndfx

GitHub Workflow Status PyPI PyPI license

Apply audio effects such as reverb and EQ directly to audio files or NumPy ndarrays.

This is a lightweight Python wrapper for SoX - Sound eXchange. Supported effects range from EQ and compression to phasers, reverb and pitch shifters.

Install

Command:

sh
pip install pysndfx
The system must also have SoX installed.

For Debian-based operating systems:

apt install sox

For Anaconda:

conda install -c conda-forge sox

Usage

First create an audio effects chain. ```python

Import the package and create an audio effects chain function.

from pysndfx import AudioEffectsChain

fx = ( AudioEffectsChain() .highshelf() .reverb() .phaser() .delay() .lowshelf() )

Then we can call the effects chain object with paths to audio files, or directly with NumPy ndarrays.
python infile = 'myaudiofile.wav' outfile = 'myprocessedaudio_file.ogg'

Apply phaser and reverb directly to an audio file.

fx(infile, outfile)

Or, apply the effects directly to a ndarray.

from librosa import load y, sr = load(infile, sr=None) y = fx(y)

Apply the effects and return the results as a ndarray.

y = fx(infile)

Apply the effects to a ndarray but store the resulting audio to disk.

fx(x, outfile)

There's also experimental streaming support. Try applying reverb to a microphone input and listening to the results live like this:
sh python -c "from pysndfx import AudioEffectsChain; AudioEffectsChain().reverb()(None, None)" ```

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