| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138 | <!DOCTYPE html><html>    <head>        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />        <title>wavesurfer.js | Spectrogram plugin</title>        <link href="data:image/gif;" rel="icon" type="image/x-icon" />        <!-- Bootstrap -->        <link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" rel="stylesheet">        <link rel="stylesheet" href="../css/style.css" />        <link rel="stylesheet" href="../css/ribbon.css" />        <!-- wavesurfer.js -->        <script src="../../dist/wavesurfer.js"></script>        <!-- spectrogram format renderer -->        <script src="../../dist/plugin/wavesurfer.spectrogram.js"></script>        <!-- App -->        <script src="app.js"></script>        <script src="../trivia.js"></script>    </head>    <body itemscope itemtype="http://schema.org/WebApplication">        <div class="container">            <div class="header">                <noindex>                <ul class="nav nav-pills pull-right">                    <li><a href="?fill">Fill</a></li>                    <li><a href="?scroll">Scroll</a></li>                </ul>                </noindex>                <h1 itemprop="name"><a href="http://wavesurfer-js.org">wavesurfer.js</a><noindex> + Spectrogram</noindex></h1>            </div>            <div id="demo">                <div id="waveform">                    <div class="progress progress-striped active" id="progress-bar">                        <div class="progress-bar progress-bar-info"></div>                    </div>                    <!-- Here be waveform -->                </div>                <div id="wave-spectrogram"></div>                <div class="controls">                    <button class="btn btn-primary" data-action="play">                        <i class="glyphicon glyphicon-play"></i>                        Play                        /                        <i class="glyphicon glyphicon-pause"></i>                        Pause                    </button>                </div>            </div>            <div class="row marketing">                <div class="col-lg-4">                    <h4>wavesurfer.js Spectrogram Plugin</h4>                    <p itemprop="about">Adds a simple spectrogram to your <strong>wavesurfer.js</strong> instances.</p>                    <h4>Installation</h4>                    <p>                      <ol>                        <li>add the Spectrogram plugin script tag</li>                        <li>create a <code>WaveSurfer</code> instance</li>                        <li>add a container HTML element for the spectrogram</li>                        <li>create a Spectrogram instance in the <code>WaveSurfer</code>'s <code>"ready"</code> event callback</li>                      </ol>                    </p>                    <p>                        <a class="btn btn-large btn-success" href="../../plugin/wavesurfer.spectrogram.js" itemprop="downloadUrl" download>Download <strong>the plugin</strong> (5 KB)</a>                    </p>                </div>                <div class="col-lg-8">                    <h4>Quick Start</h4>                    <noindex><p><pre><code>var wavesurfer = WaveSurfer.create({    // your options here    plugins: [        WaveSurfer.spectrogram.create{            wavesurfer: wavesurfer,            container: "#wave-spectrogram"        })    ]});wavesurfer.load('example/media/demo.wav');</code></pre>                    </p></noindex>                    <br />                    <h4>Options</h4>                    <ul class="markdown-body">                      <li><code>wavesurfer</code> - <em>required</em> - a WaveSurfer instance.</li>                      <li><code>container</code> - <em>required</em> - the element in which to place the spectrogram, or a CSS selector to find it.</li>                      <li><code>fftSamples</code> - number of FFT samples (<code>512</code> by default). Number of spectral lines and height of the spectrogram will be a half of this parameter.</li>                      <li><code>frequenciesDataUrl</code> - URL to load spectral data from.</li>                    </ul>                </div>            </div>            <div class="footer row">                <div class="col-sm-12">                    <a rel="license" href="https://opensource.org/licenses/BSD-3-Clause"><img alt="BSD-3-Clause License" style="border-width:0" src="https://img.shields.io/badge/License-BSD%203--Clause-blue.svg" /></a>                </div>                <div class="col-sm-12">                    <span xmlns:dct="http://purl.org/dc/terms/" href="http://purl.org/dc/dcmitype/Text" property="dct:title" rel="dct:type">wavesurfer.js</span> by <a href="https://github.com/katspaugh/wavesurfer.js">katspaugh</a> is licensed under a <a rel="license" href="https://opensource.org/licenses/BSD-3-Clause">BSD-3-Clause License</a>.                </div>            </div>        </div>        <div class="github-fork-ribbon-wrapper right">            <div class="github-fork-ribbon">                <a itemprop="isBasedOnUrl" href="https://github.com/katspaugh/wavesurfer.js">Fork me on GitHub</a>            </div>        </div>        <script>            (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){            (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),            m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)            })(window,document,'script','//www.google-analytics.com/analytics.js','ga');            ga('create', 'UA-50026819-1', 'wavesurfer.fm');            ga('send', 'pageview');        </script>    </body></html>
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