944851.html (401B)
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta charset="UTF-8"> 5 <script> 6 7 var ac = new AudioContext(1, 1354, 44100); 8 var shaper = ac.createWaveShaper(); 9 var biquad = ac.createBiquadFilter(); 10 shaper.connect(biquad.frequency); 11 biquad.getFrequencyResponse(new Float32Array(55785), 12 new Float32Array(62876), 13 new Float32Array(45111)); 14 15 </script> 16 </head> 17 </html>