<!DOCTYPE html> <html class="reftest-wait"> <script> var context = new window.OfflineAudioContext(1, 4096, 48000); context.oncomplete = function(e) { document.documentElement.removeAttribute("class"); }; var delay = context.createDelay(); delay.connect(context.destination); delay.delayTime.value = 1.0; var buffer = context.createBuffer(1, 2048, context.sampleRate); var source = context.createBufferSource(); source.buffer = buffer; source.connect(delay); source.start(); context.startRendering(); </script>