The AudioContext interface represents an audio-processing graph built from audio modules linked together, each represented by an AudioNode. General containers and definitions that shape audio graphs in Web Audio API usage. If you aren't familiar with the programming basics, you might want to consult some beginner's JavaScript tutorials first and then come back here - see our Beginner's JavaScript learning module for a great place to begin. If you are more familiar with the musical side of things, are familiar with music theory concepts, want to start building instruments, then you can go ahead and start building things with the advanced tutorial and others as a guide (the above-linked tutorial covers scheduling notes, creating bespoke oscillators and envelopes, as well as an LFO among other things.) We also have other tutorials and comprehensive reference material available that covers all features of the API. So if some of the theory doesn't quite fit after the first tutorial and article, there's an advanced tutorial which extends the first one to help you practice what you've learnt, and apply some more advanced techniques to build up a step sequencer. Learning coding is like playing cards - you learn the rules, then you play, then you go back and learn the rules again, then you play again. This also includes a good introduction to some of the concepts the API is built upon. There's also a Basic Concepts Behind Web Audio API article, to help you understand the way digital audio works, specifically in the realm of the API. We have a simple introductory tutorial for those that are familiar with programming but need a good introduction to some of the terms and structure of the API. With that in mind, it is suitable for both developers and musicians alike. However, it can also be used to create advanced interactive instruments. It can be used to incorporate audio into your website or application, by providing atmosphere like futurelibrary.no, or auditory feedback on forms. The Web Audio API can seem intimidating to those that aren't familiar with audio or music terms, and as it incorporates a great deal of functionality it can prove difficult to get started if you are a developer. Using a system based on a source-listener model, it allows control of the panning model and deals with distance-induced attenuation induced by a moving source (or moving listener). The Web Audio API also allows us to control how audio is spatialized. So applications such as drum machines and sequencers are well within reach. Timing is controlled with high precision and low latency, allowing developers to write code that responds accurately to events and is able to target specific samples, even at a high sample rate.
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