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Audio & Voice AI

Abogen

Abogen is an open-source Python application that converts EPUBs, PDFs, plain text, Markdown and subtitle files into speech audio with matching subtitles, using the Kokoro-82M text-to-speech model.

Independent OpenViST project profile, based on linked sources.

Abogen — OpenViST project profile in Audio & Voice AI.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use Abogen when you have a supported text-based file and want generated speech paired with matching subtitle timing.

Who it is for

  • Readers who want to turn EPUBs or PDFs into audiobooks.
  • Creators preparing voiceovers or captioned audio from text.

Documented uses

  • Convert an ebook or document into spoken audio.
  • Create audio from text or subtitle files with synchronized captions.
Before you choose

Requirements & limits

The repository is public, identifies the MIT license and lists Windows, Linux and macOS. Installation instructions vary by operating system and GPU setup.

  • Kokoro-82M is the named text-to-speech model.
  • The documented setup requires espeak-ng.
  • Installation routes differ across Windows, Linux and Mac; GPU-specific options are listed for some configurations.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Source-based practical guide

Install Abogen on Windows with the repository script

Set up Abogen on Windows using its bundled installer script.

Before you start

  • Windows
  • The Abogen repository ZIP file
  • espeak-ng installed from its latest Windows release

Steps

  1. Download the repository ZIP file.

  2. Extract the ZIP file.

  3. Install espeak-ng by downloading and running its Windows MSI installer.

  4. Double-click WINDOWS_INSTALL.bat.

Expected outcome

The installer script sets up Abogen and its dependencies in a self-contained environment.

Guide limitations

  • This recipe covers installation only, not audiobook generation.
  • The repository instructions say Python does not need to be installed separately; the script installs it automatically.
Evidence and transparency

Sources & review

Source record details
Source availability
Active
Sources checked
7 October 2026
Original website title
denizsafak/abogen · Official homepage title · retained in its source language