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aubio-ledfx

Note: This is a maintained fork of the original aubio project by Paul Brossier, maintained by the LedFx team.

Why this fork exists:

  • The original aubio project is no longer actively maintained with regular releases
  • We provide Python 3.11-3.15 support with pre-built wheels on PyPI
  • This fork includes the latest fixes and improvements from aubio's main branch
  • LedFx and other projects depend on aubio and need a reliable, up-to-date package

All credit for aubio goes to the original author Paul Brossier and contributors.

Original project: https://github.com/aubio/aubio This fork: https://github.com/LedFx/aubio-ledfx PyPI package: https://pypi.org/project/aubio-ledfx/


About aubio

aubio is a collection of tools for music and audio analysis.

This package integrates the aubio library with NumPy to provide a set of efficient tools to process and analyse audio signals, including:

  • read audio from any media file, including videos and remote streams
  • high quality phase vocoder, spectral filterbanks, and linear filters
  • Mel-Frequency Cepstrum Coefficients and standard spectral descriptors
  • detection of note attacks (onset)
  • pitch tracking (fundamental frequency estimation)
  • beat detection and tempo tracking

This fork supports Python 3.11 through 3.15 on Linux (x86_64, ARM64), macOS (Intel, Apple Silicon), and Windows (AMD64).

Installation

Install from PyPI:

pip install aubio-ledfx

Pre-built wheels are available for:

  • Linux: x86_64, ARM64 (manylinux)
  • macOS: Intel (x86_64), Apple Silicon (ARM64)
  • Windows: AMD64

Demos

Some examples are available in the python/demos folder. Each script is a command line program which accepts one ore more argument.

Notes: installing additional modules is required to run some of the demos.

Analysis

  • demo_source.py uses aubio to read audio samples from media files
  • demo_onset_plot.py detects attacks in a sound file and plots the results using matplotlib
  • demo_pitch.py looks for fundamental frequency in a sound file and plots the results using matplotlib
  • demo_spectrogram.py, demo_specdesc.py, demo_mfcc.py for spectral analysis.

Real-time

Others

  • demo_timestretch.py can change the duration of an input file and write the new sound to disk,
  • demo_wav2midi.py detects the notes in a file and uses mido to write the results into a MIDI file

Example

Use demo_timestretch_online.py to slow down loop.wav, write the results in stretched_loop.wav:

$ python demo_timestretch_online.py loop.wav stretched_loop.wav 0.92

Building from Source

This fork uses the Meson build system and vcpkg for dependency management.

Quick Build

# Install build dependencies
pip install "meson>=1.9.0" meson-python ninja numpy

# Build and install
pip install .

For detailed build instructions, see the main README.

Built with

The core of aubio is written in C for portability and speed. The pre-built wheels on PyPI are built with every optional feature that works in a Python package, the same on every platform:

  • NumPy integration for efficient array processing
  • ffmpeg for reading almost any audio or video file (MP4/AAC, MKV, WebM, ...)
  • libsndfile for reading and writing WAV, AIFF, FLAC, Ogg Vorbis, Opus and MP3
  • FLAC and Ogg Vorbis sinks, and a built-in WAV reader and writer
  • libsamplerate for high-quality resampling
  • rubberband for time-stretching and pitch-shifting
  • on macOS, the Accelerate framework (FFT and vector maths) and CoreAudio (every format macOS can read)

Not included: JACK (only aubio's command-line tools use it), Intel IPP and BLAS (see the appendix, and building from source).

For a detailed breakdown, see the Pre-built Wheel Features appendix below.


Pre-built Wheel Features

This appendix provides a complete breakdown of which optional features are included in the pre-built wheels distributed on PyPI.

Features by Platform

Feature Linux macOS Windows Description
Audio file input and output
ffmpeg/libav ✅ ✅ ✅ Decode almost any media format (MP4/AAC, MKV, WebM, ...)
libsndfile ✅ ✅ ✅ WAV, AIFF, AU and more, with the codecs below
CoreAudio — ✅ — Native macOS reading and writing (every Apple format)
Built-in WAV ✅ ✅ ✅ WAV reader and writer without external libraries
Codecs (through libsndfile)
FLAC ✅ ✅ ✅ Read and write, plus aubio's own FLAC sink
Ogg Vorbis ✅ ✅ ✅ Read and write, plus aubio's own Vorbis sink
Opus ✅ ✅ ✅ Read and write
MP3 (mpg123, LAME) ✅ ✅ ✅ Read and write
Resampling and effects
libsamplerate ✅ ✅ ✅ High-quality resampling
rubberband ✅ ✅ ✅ Time-stretching and pitch-shifting
FFT
Accelerate (vDSP) — ✅ — Apple's FFT and vector maths
ooura ✅ — ✅ aubio's built-in FFT (power-of-two sizes)

Each wheel build prints meson's feature summary in its CI log, so this table can be checked against any release's build.

Platform-Specific Notes

Linux (x86_64, ARM64, manylinux_2_28):

  • Every dependency is statically linked into the extension, so the wheel needs no other .so files.

macOS (Intel x86_64, Apple Silicon ARM64):

  • Dependencies are statically linked.
  • Minimum macOS: 10.15 (Intel), 11.0 (Apple Silicon).

Windows (AMD64):

  • Built with MSVC. The dependency DLLs, and the C++ runtime (msvcp140.dll) rubberband was built against, are bundled inside the wheel by delvewheel.

Features NOT Included in Wheels

These can be enabled when building from source:

  • JACK: only aubio's command-line tools use it, and the wheels don't ship them. From Python, read live audio with sounddevice or PyAudio and pass the blocks to aubio.
  • FFTW: -Dfftw3f=enabled adds non-power-of-two FFT sizes. aubio's own ooura FFT measured as fast or faster at the usual power-of-two sizes.
  • Intel IPP (Intel's proprietary libraries) and BLAS: speed-ups only, with no new features.
  • Double precision: the wheels use single precision (float32).

Python Version Support

Pre-built wheels are available for:

  • CPython 3.11, 3.12, 3.13, 3.14, 3.15
  • All wheels include the same feature set per platform

Metadata

Release files for aubio-ledfx 0.4.12

For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.

Source distribution (sdist)

Source distribution for aubio-ledfx 0.4.12
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aubio_ledfx-0.4.12.tar.gz 6.4 MB Details

Built distributions (wheels)

Table of built distributions (wheels) for aubio-ledfx 0.4.12
File
aubio_ledfx-0.4.12-cp315-cp315-win_amd64.whl CPython 3.15 CPython 3.15 Windows x86-64 Details
aubio_ledfx-0.4.12-cp315-cp315-manylinux_2_28_x86_64.whl CPython 3.15 CPython 3.15 Linux glibc 2.28+ x86-64 Details
aubio_ledfx-0.4.12-cp315-cp315-manylinux_2_28_aarch64.whl CPython 3.15 CPython 3.15 Linux glibc 2.28+ ARM64 Details
aubio_ledfx-0.4.12-cp315-cp315-macosx_11_0_arm64.whl CPython 3.15 CPython 3.15 macOS 11.0+ ARM64 Details
aubio_ledfx-0.4.12-cp315-cp315-macosx_10_15_x86_64.whl CPython 3.15 CPython 3.15 macOS 10.15+ x86-64 Details
aubio_ledfx-0.4.12-cp314-cp314-win_amd64.whl CPython 3.14 CPython 3.14 Windows x86-64 Details
aubio_ledfx-0.4.12-cp314-cp314-manylinux_2_28_x86_64.whl CPython 3.14 CPython 3.14 Linux glibc 2.28+ x86-64 Details
aubio_ledfx-0.4.12-cp314-cp314-manylinux_2_28_aarch64.whl CPython 3.14 CPython 3.14 Linux glibc 2.28+ ARM64 Details
aubio_ledfx-0.4.12-cp314-cp314-macosx_11_0_arm64.whl CPython 3.14 CPython 3.14 macOS 11.0+ ARM64 Details
aubio_ledfx-0.4.12-cp314-cp314-macosx_10_15_x86_64.whl CPython 3.14 CPython 3.14 macOS 10.15+ x86-64 Details
aubio_ledfx-0.4.12-cp313-cp313-win_amd64.whl CPython 3.13 CPython 3.13 Windows x86-64 Details
aubio_ledfx-0.4.12-cp313-cp313-manylinux_2_28_x86_64.whl CPython 3.13 CPython 3.13 Linux glibc 2.28+ x86-64 Details
aubio_ledfx-0.4.12-cp313-cp313-manylinux_2_28_aarch64.whl CPython 3.13 CPython 3.13 Linux glibc 2.28+ ARM64 Details
aubio_ledfx-0.4.12-cp313-cp313-macosx_11_0_arm64.whl CPython 3.13 CPython 3.13 macOS 11.0+ ARM64 Details
aubio_ledfx-0.4.12-cp313-cp313-macosx_10_15_x86_64.whl CPython 3.13 CPython 3.13 macOS 10.15+ x86-64 Details
aubio_ledfx-0.4.12-cp312-cp312-win_amd64.whl CPython 3.12 CPython 3.12 Windows x86-64 Details
aubio_ledfx-0.4.12-cp312-cp312-manylinux_2_28_x86_64.whl CPython 3.12 CPython 3.12 Linux glibc 2.28+ x86-64 Details
aubio_ledfx-0.4.12-cp312-cp312-manylinux_2_28_aarch64.whl CPython 3.12 CPython 3.12 Linux glibc 2.28+ ARM64 Details
aubio_ledfx-0.4.12-cp312-cp312-macosx_11_0_arm64.whl CPython 3.12 CPython 3.12 macOS 11.0+ ARM64 Details
aubio_ledfx-0.4.12-cp312-cp312-macosx_10_15_x86_64.whl CPython 3.12 CPython 3.12 macOS 10.15+ x86-64 Details
aubio_ledfx-0.4.12-cp311-cp311-win_amd64.whl CPython 3.11 CPython 3.11 Windows x86-64 Details
aubio_ledfx-0.4.12-cp311-cp311-manylinux_2_28_x86_64.whl CPython 3.11 CPython 3.11 Linux glibc 2.28+ x86-64 Details
aubio_ledfx-0.4.12-cp311-cp311-manylinux_2_28_aarch64.whl CPython 3.11 CPython 3.11 Linux glibc 2.28+ ARM64 Details
aubio_ledfx-0.4.12-cp311-cp311-macosx_11_0_arm64.whl CPython 3.11 CPython 3.11 macOS 11.0+ ARM64 Details
aubio_ledfx-0.4.12-cp311-cp311-macosx_10_15_x86_64.whl CPython 3.11 CPython 3.11 macOS 10.15+ x86-64 Details

Total release size: 569.4 MB

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