addEventListener ( 'load', init, false ) Īlert ( 'Web Audio API is not supported in this browser' ) įor older WebKit-based browsers, use the webkit prefix, as with webkitAudioContext. The following snippet creates an AudioContext: var context This routing is described in greater detail at the Web Audio specification.Ī single instance of AudioContext can support multiple sound inputs and complex audio graphs, so we will only need one of these for each audio application we create. This connection doesn't need to be direct, and can go through any number of intermediate AudioNodes which act as processing modules for the audio signal. To produce a sound using the Web Audio API, create one or more sound sources and connect them to the sound destination provided by the AudioContext instance.
Getting started with the AudioContext #Īn AudioContext is for managing and playing all sounds. What follows is a gentle introduction to using this powerful API. The goal of this API is to include capabilities found in modern game audio engines and some of the mixing, processing, and filtering tasks that are found in modern desktop audio production applications. The Web Audio API is a high-level JavaScript API for processing and synthesizing audio in web applications. While audio on the web no longer requires a plugin, the audio tag brings significant limitations for implementing sophisticated games and interactive applications. Applying a simple filter effect to a soundīefore the HTML5 element, Flash or another plugin was required to break the silence of the web.Dealing with time: playing sounds with rhythm.
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