analyser-channels-1.html (470B)
1 <!DOCTYPE html> 2 <html class="reftest-wait"> 3 <script> 4 var context = new window.OfflineAudioContext(1, 256, 48000); 5 var analyser = context.createAnalyser(); 6 analyser.channelCount = 2; 7 analyser.channelCountMode = "explicit"; 8 analyser.fftSize = 32; 9 var source = context.createOscillator(); 10 source.connect(analyser); 11 source.start(0); 12 context.startRendering(). 13 then(function() { 14 document.documentElement.removeAttribute("class"); 15 }); 16 </script>