Essentia.js v0.1.3

Changelog 0.1.3

Changes

• Fix TypeError on audioBufferToMonoSignal in essentia.js-core (see #58)
• Add a basic Node.js example to the repo (see #44).

Essentia.js v0.1.2

Changelog 0.1.2

Changes

• Fix TypeError on audioBufferToMonoSignal in essentia.js-model (see #58)

Essentia.js v0.1.1

Changelog 0.1.1

Added

• Added essentia.js-model add-on module to facilitate the end-to-end use of pre-trained tensorflow.js audio ML models distributed on Essentia Tensorflow Model repository.
• Added both real-time and offline use-case examples for using essentia.js and tensorflow.js along with documentation (see #51, #53, #54).
• See #56 for overall changes added for the 0.1.1 release.

Changes

• Changed namespaces in node.js entrypoint. ie. Now, all the add-on modules are also exposed in the node.js import (see #50).
• Re-organized the directory structure of the source code and related scripts in terms of category of the module.
• Essentia WASM backend sync build files are now distributed as both UMD and ES6 compatiable formats (essentia-wasm.umd.js and essentia-wasm.es.js).

Essentia.js v0.1.0

Changelog 0.1.0

Added

• Added support for new algorithms for pitch extraction (Melodia), EBU R128 loudness, and downmixing stereo signals, etc. (see #6 and #30).
• Added example of how to write custom C++ features extractors and their Essentia WASM JS bindings for performance-demanding applications (see here).
• Normal and minified builds of Essentia.js are done separately.

Changes

• Removed algorithms with non-supported IO wrappers from the bindings (see #27).
• Changed global namespace EssentiaModule to EssentiaWASM in Essentia WASM backend imports (see #29).
• Dockerfile updated to compile and build from upstream code (see #25).
• Adapted the examples and documentation template with the upstream source.
• Minor fixes in essentia.js-plot add-on module.
• Enhanced build scripts for building both WASM and JS API. Updated CI/CD scripts and settings accordingly.
• Minor fixes in the essentia.js-extractor add-on modules. Updated default parameter settings. Changed the module interface to work with a single audio frame.
• Add delete method in the essentia.js-core* API.

Essentia.js v0.0.9

Changelog 0.0.9

• Typescript API for core essentia.js algorithms
• Add-on classes for easy-to.use extractors and visualizing audio features in a DOM object.
• Updated build scripts to bundle the final distros by adding a Typescript compiler and rollup to the chain.
• Improved API documentation generated using jsdoc.
• Added tutorials and starter web application examples for both realtime and offline audio feature extraction tasks.

Builds Reference

Core JS API

• essentia.js-core.js - Essentia main JS interface for web browsers.
• essentia.js-core.es.js - Essentia main JS interface for ES6 imports.

WASM modules

Imports an Emscripten WASM Module object EssentiaModule to the global namespace which has JS bindings to essentia C++ library WASM back-end.

• essentia-wasm.web.wasm - essentia WASM back-end for asynchronous imports.
• essentia-wasm.web.js - JS glue code for loading essentia-wasm-web.wasm (can be used with HTML <script> tag).
• essentia-wasm.module.js - essentia WASM back-end for synchronous imports (ES6 style import and AudioWorklet support).

Add-on JS modules

• essentia.js-extractor.js - EssentiaExtractor import for web browsers
• essentia.js-extractor.es.js - EssentiaExtractor for ES6 imports.
• essentia.js-plot.js - EssentiaPlot import for web browsers
• essentia.js-plot.es.js - EssentiaPlot for ES6 imports.

Essentia.js v0.0.9-dev

Adds test version of core JS API to essentia.js using typescript wrapper.

Essentia.js v0.0.8-alpha

This is the first alpha pre-release version of essentia.js.

The following wasm builds of essentia are distributed:-

• essentia.wasm - Asynchronous WASM build of generic javascript bindings for essentia C++ library.
• essentia.js - JS glue code for loading essentia.wasm (can be used with HTML <script> tag).
• essentia-module.js - Synchronous build of generic javascript bindings for essentia C++ library (ES6 import/export and AudioWorklet support).
• essentia.tools.js - Utility methods for using essentia.js with your web applications such as converting JS typed arrays to and from essentia input types, loading audio etc.

NOTE: Node JS users can get essentia.js from npm by npm install essentia.js