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<!DOCTYPE html>
<html lang="en"><head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<title>Online Tone Generator 2.0 - Generate free low frequency tones to test your subwoofer.</title>
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<div id="mainContent">
<h1><a href="index.html"><!-- <img src="/img/Speaker_Icon-tilted.png" alt=""> -->Online Tone Generator 2.0</a></h1>
<p class="tagline"><strong>The 60 second online subwoofer test. It's free, simple and no sign up required. How low can you go?</strong></p>
<script src="js/jquery.simpleplayer.js"></script>
<script type="text/javascript">
jQuery(document).ready(function() {
var settings = {
// progressbarWidth: '500px',
progressbarHeight: '5px',
progressbarColor: '#22ccff',
progressbarBGColor: '#ffffff',
defaultVolume: 1
};
jQuery(".player").player(settings);
$(".simpleplayer-play-control").click(function(){
console.log("start");
doTimer();
});
$(".simpleplayer-stop-control").click(function(){
stopCount();
});
});
</script>
<p id="info">
This page contains a low frequency sweep and a series of tones for testing the response of subwoofers.
Click the play button below to begin the test. You will hear a sine wave start at 150Hz and gradually decrease to 1Hz over the course of 60 seconds.
We have also provided a series of continuous tones (compatible with Firefox 4 or later) to help you get the most out of your subwoofers.
How well do your subs perform? Let us know in the comments section at the bottom of the page.
</p>
<div class="fuse-in-content" style="margin:20px 0;min-height: 250px;max-width:100%;">
<!-- GAM 71161633/OLGEN_onlinetonegenerator/incontent_1 -->
<div data-fuse="23080803961"></div>
</div>
<div id="hearingTester" style="display: inline-block;"> <!-- A wrapper to emulate use in a webpage and center align -->
<p style="text-align:center"> Click the play button to begin the test. <br><br> </p>
<!-- The container for the interface can go where you want to display it. Show and hide it as you need. -->
<div class="simple-player-container" style="background-color: #ddd; padding: 0 10px 5px 5px;"><div><ul><li style="display: inline-block; padding: 0 5px; "><a style="text-decoration: none;" class="start-button" href="javascript:void(0)"><span class="simpleplayer-play-control"></span></a></li><li class="progressbar-wrapper" style="display: inline-block; cursor: pointer; width:200px;"><span style="display: block; background-color: #ffffff; width: 100%; "><span class="progressbar" style="display: block; background-color: rgb(34, 204, 255); height: 5px; width: 2.1%;"></span></span></li></ul></div></div><audio class="player" id="sweep">
<source src="downloads/subwoofer/subwoofer_sweep.mp3" type="audio/mpeg">
<source src="downloads/subwoofer/subwoofer_sweep.ogg" type="audio/ogg">
Your browser is not compatible with the hearing test. Please download the latest
version and try again.
</audio>
<div id="result" style="display:block">
<p style="text-align:center"> The current frequency is: <br> </p>
<form class="sweep-form">
<input type="text" id="txt" class="input--frequency" value="150"><p id="units">Hertz</p>
</form>
<script type="text/javascript">
var elapsed = '0.0';
var t;
var timer_is_on=0;
function timedCount() {
//var time = new Date().getTime() - start;
var time = document.getElementById('sweep').currentTime;
if (time < 0){
time=time*-1
}
var freq = 150 - /*Math.round*/(time*2.483);
document.getElementById('txt').value = (Math.round(freq*10)/10).toFixed(1);
t=setTimeout('timedCount()',50);
}
function ended(){
document.getElementById('txt').value = 1;
}
function doTimer() {
if (timer_is_on==0) {
start = new Date().getTime();
timer_is_on=1;
timedCount();
}
}
function stopCount() {
clearTimeout(t);
timer_is_on=0;
}
function resetCount() {
document.getElementById('txt').value='0.0';
}
</script>
</div>
</div>
<table class="tuningTable">
<tbody><tr>
<th colspan="5">Additional Test Tones</th>
</tr>
<tr>
<td class="noteName">20Hz</td>
<td class="notePlay"><button class="tuningButton beginTuning" onclick="startTuning(20.0)">play</button></td>
<td class="noteStop"><button class="tuningButton stopTuning" onclick="stop()">stop</button></td>
<td class="download"><button class="tuningButton downloadButton" onclick="location.href='downloads/subwoofer/20.wav'">download</button></td><td></td>
</tr>
<tr>
<td class="noteName">30Hz</td>
<td class="notePlay"><button class="tuningButton beginTuning" onclick="startTuning(30.0)">play</button></td>
<td class="noteStop"><button class="tuningButton stopTuning" onclick="stop()">stop</button></td>
<td class="download"><button class="tuningButton downloadButton" onclick="location.href='downloads/subwoofer/30.wav'">download</button></td><td></td>
</tr><tr>
<td class="noteName">40Hz</td>
<td class="notePlay"><button class="tuningButton beginTuning" onclick="startTuning(40.0)">play</button></td>
<td class="noteStop"><button class="tuningButton stopTuning" onclick="stop()">stop</button></td>
<td class="download"><button class="tuningButton downloadButton" onclick="location.href='downloads/subwoofer/40.wav'">download</button></td><td></td>
</tr>
<tr>
<td class="noteName">50Hz</td>
<td class="notePlay"><button class="tuningButton beginTuning" onclick="startTuning(50.0)">play</button></td>
<td class="noteStop"><button class="tuningButton stopTuning" onclick="stop()">stop</button></td>
<td class="download"><button class="tuningButton downloadButton" onclick="location.href='downloads/subwoofer/50.wav'">download</button></td><td></td>
</tr>
<tr>
<td class="noteName">60Hz</td>
<td class="notePlay"><button class="tuningButton beginTuning" onclick="startTuning(60.0)">play</button></td>
<td class="noteStop"><button class="tuningButton stopTuning" onclick="stop()">stop</button></td>
<td class="download"><button class="tuningButton downloadButton" onclick="location.href='downloads/subwoofer/60.wav'">download</button></td><td></td>
</tr>
<tr>
<td class="noteName">70Hz</td>
<td class="notePlay"><button class="tuningButton beginTuning" onclick="startTuning(70.0)">play</button></td>
<td class="noteStop"><button class="tuningButton stopTuning" onclick="stop()">stop</button></td>
<td class="download"><button class="tuningButton downloadButton" onclick="location.href='downloads/subwoofer/70.wav'">download</button></td><td></td>
</tr>
<tr>
<td class="noteName">80Hz</td>
<td class="notePlay"><button class="tuningButton beginTuning" onclick="startTuning(80.0)">play</button></td>
<td class="noteStop"><button class="tuningButton stopTuning" onclick="stop()">stop</button></td>
<td class="download"><button class="tuningButton downloadButton" onclick="location.href='downloads/subwoofer/80.wav'">download</button></td><td></td>
</tr>
<tr>
<td class="noteName">90Hz</td>
<td class="notePlay"><button class="tuningButton beginTuning" onclick="startTuning(90.0)">play</button></td>
<td class="noteStop"><button class="tuningButton stopTuning" onclick="stop()">stop</button></td>
<td class="download"><button class="tuningButton downloadButton" onclick="location.href='downloads/subwoofer/90.wav'">download</button></td><td></td>
</tr>
<tr>
<td class="noteName">100Hz</td>
<td class="notePlay"><button class="tuningButton beginTuning" onclick="startTuning(100.0)">play</button></td>
<td class="noteStop"><button class="tuningButton stopTuning" onclick="stop()">stop</button></td>
<td class="download"><button class="tuningButton downloadButton" onclick="location.href='downloads/subwoofer/100.wav'">download</button></td><td></td>
</tr>
<tr>
<td colspan="5"><a class="zip" href="downloads/subwoofer/subwoofer_test_tones.zip">Click here to download all low frequency test tones.</a></td>
</tr>
</tbody></table>
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