JavaScript for Sound Artists

18  The Delay Node

In the world of creative audio, delays are a common method used to create time-based effects. In this chapter, you will learn how to use the delay node to create the most common delay effects: echo, slap back, and ping-pong.

  The Delay Node

The delay node is used to adjust the time between when an input source plays and when it becomes audible. The following example connects an audio buffer to a delay node. The delayTime.value property determines the delay time in seconds.

var sound = audioContext.createBufferSource();var delay = audioContext.createDelay();delay.delayTime.value = 1; // One secondsound.buffer = audioBuffer; ...