waveform-data.js

June 7, 2025 ยท View on GitHub

v4.5.2 (2025/06/07)

  • Fixed TypeScript declarations (@chrisn)

v4.5.1 (2025/02/14)

  • (#121) Fixed TypeScript declarations (@trevorblades)

v4.5.0 (2024/01/18)

  • (#119) Added support for 16-bit samples in createFromAudio() (@jameadows)

v4.4.0 (2023/12/06)

  • (#84) Added slice method (@chrisn)

  • (#97) Fixed unhandled rejection when calling Web Audio decodeAudioData (@jdelStrother)

v4.3.0 (2021/10/12)

  • Replaced inline-worker with rollup-plugin-web-worker-loader (@chrisn)

  • (#78) Fixed "Uncaught ReferenceError" when waveform-data.js is used in an Angular app (@chrisn)

v4.2.1 (2021/10/09)

  • Added missing CommonJS module dist file (@chrisn)

v4.2.0 (2021/10/09)

  • Updated to use ES module format. Replaced browserify with Rollup (@chrisn)

  • Fixed WaveformData.toArrayBuffer() for 16-bit waveform data (@chrisn)

  • To reduce memory usage, waveform data is now stored internally in binary format, and converted from JSON format if needed. WaveformData.resample() now produces binary format data (@chrisn)

  • Removed the undocumented partial resampling feature (@chrisn)

  • Removed the WaveformDataArrayBufferAdapter and WaveformDataObjectAdapter classes (@chrisn)

  • Moved source files from lib to src folder (@chrisn)

v4.1.1 (2021/08/01)

  • Fixed handling of 16-bit binary waveform data (@chrisn)

v4.1.0 (2021/04/29)

  • Added WaveformData.toArrayBuffer() method (@chrisn)

  • Fixed TypeScript declarations (@wong2)

v4.0.0 (2021/04/24)

  • Added disable_worker option to WaveformData.createFromAudio() (@Christilut, @chrisn)

  • Added WaveformData.toJSON() method (@chrisn)

  • Updated TypeScript declarations (@Kangaroux, @chrisn)

  • Added d3.js example, see demo/d3.html (@chrisn)

  • Reworded error messages (@chrisn)

  • The WaveformData.resample() method no longer accepts a single number (@chrisn)

v3.3.4 (2020/09/07)

  • Improve browser compatibility (@Dantist)

v3.3.3 (2020/08/28)

  • Clean up Worker and AudioBuffer objects to avoid leaks (@jdelStrother)

  • Added error handling to demo page, also add missing waveform data file (@chrisn)

  • Fixed demo page in Safari (@jdelStrother)

v3.3.2 (2020/05/08)

  • Fixed TypeScript declarations (@chrisn)

v3.3.1 (2020/02/23)

  • Version bump after fixing Travis CI config (@chrisn)

v3.3.0 (2020/02/23)

  • Removed unnecessary files to reduce size of NPM package (@chrisn)

v3.2.0 (2020/02/22)

  • (#66) Added TypeScript declarations (@artemkosenko)

  • Improved documentation (@chrisn)

v3.1.0 (2019/10/23)

  • Added concat() method (@jdelStrother)

v3.0.0 (2019/08/23)

  • Added support for multi-channel waveforms (@chrisn)

  • Added fromAudioBuffer() method to create waveform from AudioBuffer (@davidturissini)

  • This release has some breaking API changes, refer to doc/migration-guide.md for details of how to update your code

v2.1.2 (2018/11/10)

  • Version bump after updating npm access token (@chrisn)

v2.1.0 (2018/11/10)

  • Move Web Audio based waveform generation to a Web Worker (@semiaddict)

  • Fix audio decode error handling in Safari (@chrisn)

v2.0.2 (2016/06/07)

  • Allow offset length to be zero (@chrisn)

  • Improved documentation and code examples (@gr2m, @mdesenfants, @chrisn)

v2.0.1 (2016/03/14)

  • (#42) Fixed multi-channel audio handling in Web Audio builder (@chrisn)

  • Fixed off-by-one error in waveform data generation (@chrisn)

  • Replaced auto-generated ChangeLog (@chrisn)

  • Apply jshint to test code (@chrisn)

v2.0.0 (2016/12/10)

  • Auto-generate CHANGELOG.md on version bump (@oncletom)

  • (#40) Drop bower support, remove compiled files from git and include them in npm package (#40) (@oncletom)

  • (#39) Replace blanket by nyc for code coverage reporting (@oncletom)

  • Use ES2015 syntax for README examples (@oncletom)

  • (#38) Extracted Web Audio builder from the main package (@oncletom)

  • (#37) Callers must now pass in an AudioContext object (@dodds-cc)

v1.5.3 (2016/09/21)

  • (#36) Moved the project from github.com/bbcrd to github.com/bbc (@oncletom)

  • Added missing npm dependencies (@oncletom)

  • Deploy to npm from Travis CI (@oncletom)

  • Use working blanket module version (@chrisn)

v1.5.2 (2016/08/05)

  • Allow zero as a valid segment name (@chrisn)

v1.5.1 (2015/03/14)

  • (#29) Don't let min/max go outside int8 range (@a1k0n)

v1.5.0 (2015/03/11)

  • (#28) Changed the Web Audio decoder to pass the decoded AudioBuffer (@a1k0n)

v1.4.4 (2014/10/09)

  • Fixed an include issue (@oncletom)

v1.4.3 (2014/10/09)

  • Extracted getAudioDecoder function into a separate module (@oncletom)

  • Added tests for Web Audio builder (@oncletom)

  • Allow the user to specify the scale factor in the Web Audio builder, and changed the default from 512 to 128 (@chainlink)

v1.4.2 (2014/09/25)

  • (#25) Added audio-context module to provide access to a singleton AudioContext (@oncletom)

v1.4.1 (2014/09/10)

  • Improved error messages (@oncletom)

v1.4.0 (2014/06/25)

  • (#6) Generate partial resampled data (@oncletom)

v1.2.0 (2014/06/03)

  • (#19) Added Points interface (@chainlink)

v1.1.3 (2014/04/24)

  • (#16) Replaced dense array with normal array in offsetValues method (@jonkoops)

v1.1.2 (2014/01/30)

  • (#9) Fixed XMLHttpRequest handling in WaveformData.create with IE9 (@oncletom)

v1.1.1 (2013/10/30)

  • (#3) Added code coverage reporting with mocha-blanket (@oncletom)

v1.1.0 (2013/10/14)

  • First release (@oncletom)