background preloader

Web Audio API

Facebook Twitter

Utiliser la Web Audio API - Référence Web API. La Web Audio API offre un méchanisme à la fois simple et puissant pour implémenter et manipuler le contenu audio dans une application web. Elle permet de manipuler mixages audio, effets, balance, etc. Cet article donne les bases pour l'utiliser, à travers quelques exemples simples.. La Web Audio API ne vient pas remplacer l'élément <audio>, mais plutôt le compléter, de même que l'API Canvas 2D coexiste avec l'élément <video>.

Lorsqu'on a juste besoin de contrôler la lecture d'un fichier audio, <audio> est probablement une meilleure solution, plus rapide. L'une des choses qui rend la Web Audio API puissante est qu'elle n'a pas de limites strictes. Exemples Afin d'expliquer l'utilisation de la Web Audio API, nous avons créé un certain nombre d'exemples qui seront étoffés au fur et à mesure. Tout d'abord, nous avons créé le Voice-change-O-matic, une application web de déformation de la voix, qui permet de choisir différents effets et modes de visualisation.

Concepts de base Filtre biquad. Getting Started with Web Audio API. Before the HTML5 <audio> element, Flash or another plugin was required to break the silence of the web. While audio on the web no longer requires a plugin, the audio tag brings significant limitations for implementing sophisticated games and interactive applications. The Web Audio API is a high-level JavaScript API for processing and synthesizing audio in web applications.

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. What follows is a gentle introduction to using this powerful API. Getting started with the AudioContext An AudioContext is for managing and playing all sounds. A 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. The following snippet creates an AudioContext: Loading sounds Playing sounds full source code Volume: Developing Game Audio with the Web Audio API. This article discusses APIs that are not yet fully standardized and still in flux. Be cautious when using experimental APIs in your own projects. Introduction Audio is a huge part of what makes multimedia experiences so compelling.

If you've ever tried watching a movie with the sound off, you've probably noticed this. Games are no exception! Game audio presents some interesting challenges. Game Audio on the Web For simple games, using the <audio> tag may be sufficient. Looking deeper into the <audio> tag specification, however, it becomes clear that there are many things that simply can't be done with it, which isn't surprising, since it was designed for media playback. No ability to apply filters to the sound signalNo way to access the raw PCM dataNo concept of position and direction of sources and listenersNo fine-grained timing. In the rest of the article, I'll dive into some of these topics in the context of game audio written with the Web Audio API. Background music atmospheric boss. Web Audio Playground. Can I use... Support tables for HTML5, CSS3, etc. About "Can I use" provides up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers.

The site was built and is maintained by Alexis Deveria, with occasional updates provided by the web development community. The design used as of 2014 was largely created by Lennart Schoors. May I use your data in my presentation/article/site, etc? Yes, the support data on this site is free to use under the CC BY 4.0 license. Is there a way to see the support data in colors other than red/green? Yes, you can enable accessible colors from this link or from the option under Settings. Do you have the data available in a raw format?

Yes, the raw support data is available on GitHub and is updated regularly. Could you add feature X to the site? Adding features takes quite some time and there are many requests for additions. If you've done the research yourself already, you can also submit a feature on GitHub. Which features do you choose to add to this list?