Cutroom uses @soundtouchjs/core 2.1.1 and @soundtouchjs/interpolation-strategy-lanczos 2.1.1. One modification: interpolationStrategyRegistry.js uses a relative import for the vendored Lanczos module. All other library code is unmodified. Copyright Olli Parviainen, Ryan Berdeen, Jakub Fiala, Steve 'Cutter' Blades. License: Mozilla Public License 2.0. Local library and license: ./soundtouch/ Source: https://github.com/cutterbl/SoundTouchJS Package: https://registry.npmjs.org/@soundtouchjs/core/-/core-2.1.1.tgz Library SHA-512 (npm tarball): ccBiG9/zHdM1Sx1RUkXWBgRYFI1HCiUHHwRK8gAvVNgmcafBgUzRP6Czn7pUPcHgSQus+i3Eu3DlfBR24wqspA== Lanczos source: https://github.com/cutterbl/SoundTouchJS/tree/master/packages/interpolation-strategy-lanczos Lanczos npm tarball SHA-512: EX4qVLnOJ9pKfL7iSPJSJDKDAoZ4d7JO7KTKMPVo2XIhlmT/2hTZC5dWL/R9Jv3XC7kyQeteeGcogWP6DPi47A==