The stop() method on AudioScheduledSourceNode schedules a
sound to cease playback at the specified time. If no time is specified, then the sound
stops playing immediately.
Each time you call stop() on the same node, the specified time replaces
any previously-scheduled stop time that hasn't occurred yet. If the node has already
stopped, this method has no effect.
Note:
If a scheduled stop time occurs before the node's scheduled
start time, the node never starts to play.
The time, in seconds, at which the sound should stop playing. This value is
specified in the same time coordinate system as the AudioContext is
using for its currentTime attribute.
Omitting this parameter, specifying a value of 0, or passing a negative value causes
the sound to stop playback immediately.
This example demonstrates starting an oscillator node, scheduled to begin playing at
once and to stop playing in one second. The stop time is determined by taking the audio
context's current time from AudioContext.currentTime and adding 1 second.
js
context = new AudioContext();
osc = context.createOscillator();
osc.connect(context.destination);
/* Let's play a sine wave for one second. */
osc.start();
osc.stop(context.currentTime + 1);