Created
November 23, 2015 03:43
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kicks
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| var lodash = require('lodash'); | |
| var noitech = require('noitech'); | |
| var SinWave = function(n,f) { | |
| var f = f ? f : 440; | |
| return lodash.map(lodash.range(n), function(n) { return Math.sin(f * (2 * Math.PI) * n / 44100); } ); | |
| } | |
| var DiminishingSinWave = function(n, f, c) { | |
| var f = f ? f : 440; | |
| var c = c ? c: 2000.0; | |
| return lodash.map(lodash.range(n), function(i) { return Math.sin(f * (2 * Math.PI) * i / 44100) * Math.pow(Math.E, (0-(i/c))); } ); | |
| } | |
| var SumWaves = function(a,b,scale) { | |
| return lodash.map(a, function(x, key) { | |
| return (a[key] + b[key])/scale; | |
| }); | |
| } | |
| /// NICE ONE | |
| /* | |
| var w = DiminishingSineWave(10000,100); | |
| var x = DiminishingSineWave(10000,50); | |
| var q = SumWaves(w,x,2); | |
| */ | |
| /// NICE TWO | |
| /// file kickflat30407540.wav | |
| /* | |
| var a = DiminishingSinWave(20000,30); | |
| var b = DiminishingSinWave(20000,40); | |
| var c = SumWaves(a,b,2); | |
| var d = DiminishingSinWave(20000,75); | |
| var e = DiminishingSinWave(20000,40); | |
| var f = SumWaves(d,e,2); | |
| var q = SumWaves(c,f,2); | |
| */ | |
| /// NICE THREE | |
| /* | |
| /// file kickflat3040.wav | |
| var a = DiminishingSinWave(20000,30); | |
| var b = DiminishingSinWave(20000,40); | |
| var q = SumWaves(a,b,2); | |
| /// file kickflat3040_4000.wav | |
| var a = DiminishingSinWave(20000,30,4000); | |
| var b = DiminishingSinWave(20000,40,4000); | |
| var q = SumWaves(a,b,2); | |
| */ | |
| /// NICE FOUR | |
| // higher complex hit | |
| // file kickflat3040_4000_10050_500_2000.wav | |
| /* | |
| var a = DiminishingSinWave(20000,30, 4000); | |
| var b = DiminishingSinWave(20000,40, 4000); | |
| var c = SumWaves(a,b,2); | |
| var d = DiminishingSinWave(20000,100, 500); | |
| var e = DiminishingSinWave(20000,50, 2000); | |
| var f = SumWaves(d,e,2); | |
| var q = SumWaves(c,f,2); | |
| */ | |
| // for the graph. comment if not wanted | |
| console.log(q); | |
| // file output | |
| noitech.build('filename.wav', [ noitech.to64Bit(q) ]); |
Author
Author
3040_2000
Author
3040_4000_10050_500_2000
Author
170 226 2245 3032 400
Author
ooo:
// test reverb
// kickrev_60k_40_50_10000_30K_40_55_6000_2000.wav
var a = DiminishingSinWave(60000,40, 10000);
var b = DiminishingSinWave(60000,55, 10000);
var c = SumWaves(a,b,2);
var d = DiminishingSinWave(30000,40, 6000);
var e = DiminishingSinWave(30000,55, 2000);
var f = SumWaves(d,e,2);
var q = SumWaves(c,f,2);
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3040_4000
