audioCtx

The AudioContext interface is a web API that represents an audio processing graph built from various audio nodes. It serves as the entry point for creating and managing audio operations within a web browser. When an AudioContext is created, it establishes a connection to the audio hardware, allowing for the playback and manipulation of audio signals.

Audio processing in an AudioContext is achieved by connecting different audio nodes together. These nodes can perform various functions, such as generating sound (oscillator nodes), playing audio files (audio buffer source nodes), applying effects (like biquad filters or gain nodes), and outputting the final audio to the speakers (destination node, typically the audio hardware). The connections between these nodes form a data flow graph where audio signals are processed sequentially.

To create an AudioContext, you would typically use the constructor, for example, new AudioContext(). This object then provides methods for creating various types of audio nodes and for starting and stopping audio playback. The Web Audio API, of which AudioContext is a central component, offers a powerful and flexible way for developers to create complex audio experiences, including interactive music, sound effects, and audio visualizations, directly within web applications. It is widely supported by modern web browsers.