How to manipulate and visualise web audio

The Web Audio API is powerful and can be used for real-time audio manipulation and analysis, but this can make it tricky to work with. Using a routing graph to pipe audio from node to node, it's different from other web APIs – and is a tad daunting the first time one approaches the specification. In this piece we'll walk through a bare-bones example of manipulating audio in real time, then visualise the audio data.

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