多媒体工具包 Beep.js

码农软件 · 软件分类 · jQuery多媒体插件 · 2019-12-29 19:13:45

软件介绍

Beep.js 是一款使用 WebAudio API 基于浏览器的 JavaScript 工具包,用来开发声音合成应用。你可以使用它来做一个电子琴。

示例:

var trigger = new BEEP.Trigger( '2Eb', function(){
    //  Let’s call this our “Foundation Voice”
    //  because it will sing the intended Note.
    this.voices.push( 
        new BEEP.Voice( this.note, this.audioContext )
        .setOscillatorType( 'sine' )
        .setGainHigh( 0.4 )
    )
    //  This Voice will sing a Perfect 5th above the Foundation Voice.
    this.voices.push( 
        new BEEP.Voice( this.note.hertz * 3 / 2, this.audioContext )
        .setOscillatorType( 'triangle' )
        .setGainHigh( 0.1 )
    )
    //  This Voice will sing 2 octaves above the Foundation Voice.
    this.voices.push( 
        new BEEP.Voice( this.note.hertz * 4, this.audioContext )
        .setOscillatorType( 'sawtooth' )
        .setGainHigh( 0.01 )
    )
    //  This Voice will sing 1 octave below the Foundation Voice.
    this.voices.push( 
        new BEEP.Voice( this.note.hertz / 2, this.audioContext )
        .setOscillatorType( 'square' )
        .setGainHigh( 0.01 )
    )
})

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