JS Xtract: A Realtime Audio Feature Extraction Library for the Web
JS Xtract is an efficient modular JavaScript library for audio feature extraction, capable of operating on arbitrary time series data, or being bound to Web Audio objects. The library implements an extensive range of vector and scalar feature extractors, and allows both procedural and object oriented function calls. We show it performs well across a range of desktop and mobile browsers, and is capable of extracting audio features in realtime.