Download the source code
Windows executable for the Rubber Band utility program
OS/X universal binary executable for the Rubber Band utility program
Including source code browser and issue tracker
Rubber Band Library is a high quality software library for audio time-stretching and pitch-shifting. It permits you to change the tempo and pitch of an audio stream or recording dynamically and independently of one another.
20th May, 2018: Rubber Band Library v1.8.2 released
Rubber Band Library is intended for use by developers creating their own application programs rather than directly by end users, although it does also include a simple (free) command-line utility program that you can use for fixed adjustments to the speed and pitch of existing audio files.
You can listen to some examples, or read more about the rationale for and advantages of Rubber Band.
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Rubber Band Library v1.8.2 source Download the source code |
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Rubber Band Library v1.8.2 command-line utility Windows executable for the Rubber Band utility program |
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Rubber Band Library v1.8.2 command-line utility OS/X universal binary executable for the Rubber Band utility program |
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Visit the Rubber Band Library code project Including source code browser and issue tracker |
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Buy now! Read about commercial licence options and buy a licence here. |
Rubber Band Library is open source software under the GNU General Public License. If you want to distribute it in a proprietary commercial application, you need to buy a licence. Read more about this.
