The CSS visual formatting model is an algorithm that processes a document and displays it on visual media. This model is a basic concept of CSS. The visual formatting model transforms each element of the document and generates zero, one, or several boxes that conform to the CSS box model. The layout of each box is defined by:
The Web Audio API involves handling audio operations inside an audio context, and has been designed to allow modular routing. Basic audio operations are performed with audio nodes, which are linked together to form an audio routing graph. Several sources — with different types of channel layout — are supported even within a single context. This modular design provides the flexibility to create complex audio functions with dynamic effects.