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aeneas

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aeneas is a Python/C library and a set of tools to automagically synchronize audio and text (aka forced alignment)

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Python AGPL-3.0Created May 11, 2015

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Dormant (749d since push)
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Overview

aeneas is a Python/C library and a set of tools to automagically synchronize audio and text (aka forced alignment)

Capability facts

Languages
python

Source: github.language · Jul 11, 2026

Categories

Developer ToolsSpeech & Audio

Compatibility

Sourced claims from the README excerpt - not unsourced marketing copy.

Python runtimePython

Source: README excerpt (regex_v1, Jul 11, 2026)

2. [Python](https://python.org/) 2.7 (Linux, OS X, Windows) or 3.5 or later (Linux, OS X)
Source link

Tags

espeakffmpegalignmentespeak-ngfestivalaudiodtwcli

README

System Requirements, Supported Platforms and Installation

System Requirements

  1. a reasonably recent machine (recommended 4 GB RAM, 2 GHz 64bit CPU)
  2. Python 2.7 (Linux, OS X, Windows) or 3.5 or later (Linux, OS X)
  3. FFmpeg
  4. eSpeak
  5. Python packages BeautifulSoup4, lxml, and numpy
  6. Python headers to compile the Python C/C++ extensions (optional but strongly recommended)
  7. A shell supporting UTF-8 (optional but strongly recommended)

Installation

All-in-one installers are available for Mac OS X and Windows, and a Bash script for deb-based Linux distributions (Debian, Ubuntu) is provided in this repository. It is also possible to download a VirtualBox+Vagrant virtual machine. Please see the INSTALL file for detailed, step-by-step installation procedures for different operating systems.

The generic OS-independent procedure is simple:

  1. Install Python (2.7.x preferred), FFmpeg, and eSpeak

  2. Make sure the following executables can be called from your shell: espeak, ffmpeg, ffprobe, pip, and python

  3. First install numpy with pip and then aeneas (this order is important):

    pip install numpy
pip install aeneas

  4. To check whether you installed aeneas correctly, run:

     python -m aeneas.diagnostics

License

aeneas is released under the terms of the GNU Affero General Public License Version 3. See the LICENSE file for details.

Licenses for third party code and files included in aeneas can be found in the licenses directory.

No copy rights were harmed in the making of this project.