npm

rubberband

Audio time stretcher tool and library for changing speed without pitch

brewmacoslinux
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Source

About

Audio time stretcher tool and library

Commands

rubberband

Examples

Slow down audio to 0.8x speed while preserving pitch$ rubberband -t 0.8 input.wav output.wav
Speed up audio to 1.5x tempo without changing pitch$ rubberband -t 1.5 input.wav output.wav
Time stretch audio with high-quality processing mode$ rubberband -t 1.2 -Q -c 2 input.wav output.wav