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abogen - an open-source AI text-to-speech tool that supports generating synchronized subtitles.

Abogen is a powerful text-to-speech tool that supports the rapid conversion of ePub, PDF, or text files into high-quality audio, and can generate synchronized subtitles. Based on the Kokoro-82M model, abogen supports multiple languages and speech styles...

What is Abogen?

Abogen is a powerful text-to-speech tool that supports the rapid conversion of ePub, PDF, or text files into high-quality audio, and can generate synchronized subtitles. Based on the Kokoro-82M model, abogen supports multiple languages and voice styles. Users can easily adjust the speech rate, select voices, and set subtitle styles through simple configuration. The tool features a speech mixer, queue mode, chapter marking, and other functions, facilitating batch processing and personalized creation. It is suitable for creating audiobooks, social media narration, and more, making it a powerful assistant for content creators.

abogen's main functions

  • Text-to-speechIt can convert ePub, PDF or plain text files into high-quality audio files and supports multiple output formats (such as WAV, FLAC, MP3, OPUS, M4B).
  • Synchronized subtitle generationIt can generate subtitle files (such as SRT and ASS formats) that are synchronized with the audio while generating audio, making it convenient for creating video content.
  • Voice customizationThe voice mixer feature allows users to mix different voice models to create personalized voice styles and save them as custom configurations.
  • Batch processingIt supports queue mode, allowing users to add multiple files to the queue for batch processing in sequence, with each file having independent settings.
  • Chapter ManagementAutomatically adds chapter markers to ePub and PDF files, and supports saving audio files by chapter for easy management and playback.
  • Metadata supportAdd metadata (such as title, author, year, etc.) to the generated audio file to make it easier to use in players that support metadata.
  • Multilingual supportIt supports multiple languages (such as American English, British English, Spanish, French, Japanese, etc.) to meet the needs of different users.
  • User-friendly interfaceIt provides a graphical interface, allowing users to easily operate the system by dragging and dropping files and adjusting settings.

Abogen's technical principles

  • Based on the Kokoro modelAbogen uses the Kokoro-82M model for text-to-speech conversion. Kokoro is an advanced speech synthesis model that generates natural and fluent speech, supporting multiple languages and speech styles.
  • Voice mixing technologyBased on a speech mixer, Abogen allows users to blend different speech models, adjust the weights of each model, and create unique speech styles. This enables users to generate personalized speech according to their needs.
  • Subtitle synchronization technologyDuring speech synthesis, abogen can generate subtitle files synchronized with the audio. This is achieved by recording the start and end timestamps of each word or sentence during speech synthesis, ensuring a perfect match between the subtitles and the audio.
  • Cross-platform supportAbogen supports Windows, Mac, and Linux systems. It uses Python and related libraries (such as PyQt5) to provide a cross-platform graphical interface, making it convenient for users to use on different operating systems.

Abogen's project address

  • Project official websitehttps://pypi.org/project/abogen/
  • GitHub repositoryhttps://github.com/denizsafak/abogen

Abogen's application scenarios

  • Audiobook productionIt can quickly convert e-books (ePub, PDF) into audio files (such as MP3, M4B), allowing users to listen to books anytime, anywhere, and supports personalized voice style adjustment.
  • Social media video productionGenerate natural narration and synchronized captions (SRT, ASS formats) for videos on Instagram, YouTube, TikTok, etc., enhancing the appeal and professionalism of the content.
  • Education and learning supportIt converts learning materials (PDFs, e-books) into audio, making it easier for students to learn while commuting or exercising. It also supports multilingual speech synthesis, which helps with language learning.
  • Podcast content creationIt efficiently converts text content into audio for podcast production, allowing users to freely choose voice style and speaking speed for personalized podcast creation.
  • Assisting visually impaired peopleIt reads text aloud to visually impaired individuals, helping them easily access information and improving the convenience of their lives and studies.
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