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OpenUtau - an open-source AI voice synthesis tool that automatically adapts to the system language.

OpenUtau is an open-source vocal synthesis tool that is compatible with the UTAU sound library and resampler. It supports VSQX import, a multilingual interface, and pre-rendering capabilities, helping creators quickly preview their work and saving time. OpenUtau's modern...

What is OpenUtau?

OpenUtau is an open-source vocal synthesis tool that is compatible with the UTAU sound library and resampler. It supports VSQX import, a multilingual interface, and pre-rendering, helping creators quickly preview their work and saving time. OpenUtau's modern interface and rich editing features, such as a phoneme editor and vibrato editor, make music creation more intuitive and efficient. OpenUtau supports Windows, macOS, and Linux systems, and is ready to use out of the box, making it suitable for music creators and vocal synthesis enthusiasts.

Main functions of OpenUtau

  • Modernized interfaceIt supports mouse, scroll wheel, and keyboard shortcuts, providing a smooth MIDI editing experience.
  • High compatibilitySupports importing UTAU audio libraries, resamplers, and VSQX formats.
  • Senior EditorIt features a phoneme editor, vibrato editor, and emoji panel, and supports multiple languages and multiple phoneme systems.
  • Pre-rendering and live previewBackground rendering saves time and makes the creation process more efficient.
  • Multilingual supportAutomatically adapts to the system language; no settings need to be changed.
  • AI audio source supportIt is compatible with AI singers such as ENUNU, expanding creative possibilities.
  • Cross-platform operationSupports Windows, macOS, and Linux, and is ready to use out of the box.
  • Plug-in systemFlexible plugin interface for easy expansion of functionality.

How to use OpenUtau

  • Visit the GitHub Releases page: Go to OpenUtau GitHub Release page.
  • Download the latest version:
    • WindowsDownload the .zip file, extract it, and run OpenUtau.exe.
    • macOSDownload the .dmg file and drag it to the Applications folder.
    • LinuxDownload the .AppImage file, grant it execute permissions, and then run it.
  • Configure audio sourceDownload the UTAU sound library (usually in .zip format) from a reliable source.
  • Import audio sourceOpen OpenUtau, click Tools > Singers in the menu bar. Click Add, select the downloaded audio file folder, and complete the import.
  • Install resampler:
    • Download resamplerCommon resamplers include Moresampler or WORLDLINE-R (built-in).
    • Configure resamplerCopy the downloaded resampler files (such as wavtool.exe and resamp.exe) to the Resamplers folder in OpenUtau. In OpenUtau, configure the default resampler based on Tools > Resamplers.
  • New projectOpen OpenUtau, click File > New to create a new project. Select the audio source and resampler, and set the basic parameters of the project (such as key signature, tempo, etc.).
  • Editing songs:
    • Enter lyricsIn the editing interface, click the Lyrics section and enter the lyrics.
    • Adjust pitchIn the piano roll, adjust the pitch by dragging notes with the mouse.
    • Edit phonemesThe lyrics are converted into a phoneme sequence using a phoneme generator, and the pronunciation and transitions of the phonemes are adjusted based on the phoneme editor.
    • Add vibratoUse the vibrato editor to add vibrato effects to your singing to enhance its expressiveness.
    • Adjust facial expressionsUse the expression panel to adjust parameters such as pitch and intensity based on curves to optimize the singing effect.
  • Preview and Rendering:
    • Live PreviewDuring the editing process, click the play button to preview the rendered song in real time using OpenUtau.
    • Full renderingAfter editing, click the Render button to render the project as an audio file (such as WAV or MP3).
  • Export and ShareAfter rendering is complete, click File > Export, select the export format and save path. Share the exported audio file to social media, music platforms, or with friends.

OpenUtau project address

Application scenarios of OpenUtau

  • Personal music creationSuitable for independent musicians and enthusiasts, it allows for the rapid creation of songs, the synthesis of virtual voices, and the realization of musical ideas.
  • Community creation and sharingIt is compatible with the UTAU and VOCALOID ecosystems, making it convenient for community creators to use, and supports shared audio libraries and resamplers.
  • Animation and video soundtracksCreate background music or theme songs for animations, short videos, and advertisements to enhance the appeal of the works.
  • Audio Experiments and EducationUsed for audio experiments to explore the effects of different parameters on vocal synthesis.
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