BeepFunction

WebAudio Beep Function Study

https://e3sh.github.io/BeepFunction/beepProgram.htm

beepcore.js

wavetype 0,1,2,3  /  -1: LFOoff
wave = ["sine", "square", "sawtooth", "triangle"];

CREATE SYSTEM

const beep = new beepcore();

SYSTEM SETUP

beep.masterVolume( vol);// vol = 0.0-1.0（音の大きさに掛けられる

beep.oscSetup( wavetype ); // wavetype = 0-3

beep.lfoSetup(Freq, wavetype, depth);  //Freq(Hz), wavetype,depth:number
beep.lfoReset(); //Not Use LFO   

let score = beep.makeScore(namelist, time, vol) 
 //note.play(score, now)

NOTE CREATE

const note = beep.noteCreate(Freq);

VOICE PLAY

note.on(volume, delay);//volume 0.0-1.0, delay noteon timing (sec) 
note.off(duration); //duration noteoff timing(sec)

 DEFAULT
.on = function(volume = 1, delay = 0) 
.off = function(time = 0) //after stop time: sec

note.play(score, settime);score [{[name.],Freq:,Vol;,time:,use:false},..] ,settime-now
 //[name:]音名(周波数に読み替え処理される), Freq:周波数(Hz), Vol：0.0-1.0(ボリューム)
 //time:音の長さ(ms), use:使用前は無条件にfalseにセット/処理内で使用

note.suspend(); volume =0; Freq = 0;

Example.
//4/4 t120 60f 3600f/m
//4   30f   500ms
//8   15f   250ms
//16  7.5f  125ms
//32  3.75f 62.5ms    

 notetable=[
    ,{name:"A4",Freq:440}