Third-Party Licenses

ChangerAudio uses the following open source projects across all audio modification tools:

Roboto Font

Licensed under the Apache License, Version 2.0

https://www.apache.org/licenses/LICENSE-2.0

Material Symbols

Licensed under the Apache License, Version 2.0

https://www.apache.org/licenses/LICENSE-2.0

Web Audio API

W3C Software Notice and License

Used for all audio processing including pitch shifting, tempo changing, volume adjustment, and audio reversal.

https://www.w3.org/Consortium/Legal/2015/copyright-software-and-document

Canvas API

W3C Software Notice and License

Used for waveform visualization across all audio tools.

https://www.w3.org/Consortium/Legal/2015/copyright-software-and-document

OfflineAudioContext

W3C Software Notice and License

Used for high-quality audio export across all audio modification tools.

ChangerAudio Proprietary Code

The source code of ChangerAudio (including all audio modification tools: Pitch Shifter, Tempo Changer, Volume Booster, Reverse Audio, and any future tools) is proprietary and protected by copyright. Unauthorized copying, distribution, or modification is prohibited.

All audio processing algorithms and user interface designs are proprietary to ChangerAudio.

Audio File Formats

ChangerAudio supports various audio formats including MP3, WAV, FLAC, OGG, and M4A. These formats are industry standards and their respective patents/trademarks belong to their owners.

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