我正在做一些实验,以弄清楚Web Audio API的工作原理.我想要做的是一个简单的“挂断电话”声音循环播放.问题是,当声音结束时,你可以听到一声非常烦人的“咔哒”声.我无法更好地解释它,但如果您测试代码,您可以听到它.

有什么方法可以避免这种情况吗？我可以应用一些过滤器或任何东西？

var audioContext = new (AudioContext || webkitAudioContext)();
    
    var frequencyOffset = 0
    function boop(){
      // Our sound source is a simple triangle oscillator
      var oscillator = audioContext.createOscillator(); // Create sound source  
      oscillator.type = 'triangle';
      
      // Adding a gain node just to lower the volume a bit and to make the
      // sound less ear-piercing
      var gain = audioContext.createGain();
      oscillator.connect(gain);
      gain.connect(audioContext.destination);
      
      gain.gain.value = 0.1;
      // Just for fun let the frequency increase on each itteration
      oscillator.frequency.value = 200 + frequencyOffset;
      oscillator.start(0);
      
      // The sound should last for 250ms
      setTimeout(function(){
        oscillator.disconnect(); 
        oscillator.stop();
        gain.disconnect();
      },250);
      frequencyOffset += 1;
    }

    setInterval(boop,500);