Web Audio API and Web MIDI API Drafts Published

Author(s) and publish date


The Audio Working Group has published two Working Drafts today:

  • Web Audio API. This specification describes a high-level JavaScript API for processing and synthesizing audio in web applications. The primary paradigm is of an audio routing graph, where a number of AudioNode objects are connected together to define the overall audio rendering. The actual processing will primarily take place in the underlying implementation (typically optimized Assembly / C / C++ code), but direct JavaScript processing and synthesis is also supported.
  • Audio Working Group has published a Working Draft of Web MIDI API. This specification defines an API supporting the MIDI protocol, enabling web applications to enumerate and select MIDI input and output devices on the client system and send and receive MIDI messages. It is intended to enable non-music MIDI applications as well as music ones, by providing low-level access to the MIDI devices available on the users' systems. At the same time, the Web MIDI API is not intended to become a semantic controller platform; it is designed to expose the mechanics of MIDI input and output interfaces, and the practical aspects of sending and receiving MIDI messages, without identifying what those actions might mean semantically.

Learn more about the Rich Web Client Activity.

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