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ZzFX - Zuper Zmall Zeeded Zound Zynth

By Frank Force - 2019

LIVE DEMO!

ZzFX Features

  • Tiny synth engine with 9 controllable parameters.
  • Small code footprint for full version and the micro version is under 500 bytes!
  • Can produce a wide variety of sound effect types.
  • Seeded sounds can be played with a tiny function call, ex: ZZFX.z(6)
  • Seeded sound paramerters can be overridden, ex: ZZFX.z(26,{frequency:600})
  • Random number generator ZZFX.R() can be used in place of Math.random().
  • Use ZZFX.Note to make music notes, ex: ZZFX.Note(440, 7) // 7 semitons above A4

ZzFX UI Features

  • Generate random sounds from seed.
  • Stores sounds in list with local storage persistence.
  • Parameters can be modified for more control.
  • Lock, reset and mutate buttons for each parameter.
  • Displays image of sound wave when played.
  • Sounds can be download as a wave file.
  • Mark sounds as favorites to keep them from being cleared.
  • List of sounds can be exported and imported.
  • Supports drag-and-drop of exported files into sound list.

Here's the latest version of the ZzFXmicro you can use directly!

// ZzFXmicro - Zuper Zmall Zound Zynth - MIT License - Copyright 2019 Frank Force
zzfx_v=.5;zzfx_x=new AudioContext;zzfx=(e,f,a,b=1,d=.1,g=0,h=0,k=0,l=0)=>{let S=44100,P=Math.PI;a*=2*P/S;a*=1+f*(2*Math.random()-1);g*=1E3*P/(S**2);b=0<b?S*(10<b?10:b)|0:1;d*=b|0;k*=2*P/S;l*=P;f=[];for(var m=0,n=0,c=0;c<b;++c)f[c]=e*zzfx_v*Math.cos(m*a*Math.cos(n*k+l))*(c<d?c/d:1-(c-d)/(b-d)),m+=1+h*(2*Math.random()-1),n+=1+h*(2*Math.random()-1),a+=g;e=zzfx_x.createBuffer(1,b,S);a=zzfx_x.createBufferSource();e.getChannelData(0).set(f);a.buffer=e;a.connect(zzfx_x.destination);a.start();return a}