Back in January, I blogged about using the Web Audio API with D3, creating an app using Knockout and RequireJS. I've since expanded on that application, migrating it to Electron and adding new functionality along the way -- like MP3 tag extraction and recursive folder searching.
Libraries like d3 and d3fc do a fantastic job at making interactive charts. However, when the data size is in the hundreds of thousands, performance suffers. In this post, I'll have a look at some sampling techniques recently implemented in d3fc, and show them off with a demo.