15 The Biquad Filter Node
One of the most common ways to manipulate sound is by boosting or attenuating a range of frequencies using audio filters. A familiar example of this is the use of audio equalizers to brighten or muffle a sound. The Web Audio API has a node named BiquadFilter that allows you to create different types of audio filters that can be connected together to create various forms of equalizers. In this chapter, you will learn how to use the BiquadFilter node, and in the process, you will create a seven-band graphic equalizer and a single-band parametric equalizer.
Using the Biquad Filter Node
To use the BiquadFilter node, you ...
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