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<!DOCTYPE html>
<meta name="generator" content="Hugo 0.55.5">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="./css/github.min.css">
<link rel="stylesheet" href="./css/normalize.css">
<link rel="stylesheet" href="./css/skeleton.css">
<link rel="stylesheet" href="./css/custom.css">
<title>Audio Sample from SqueezeWave</title>
</style></head>
<body data-gr-c-s-loaded="true"><div id="MathJax_Message" style="display: none;"></div>
<div class="container">
<main role="main">
<article itemscope="" itemtype="https://schema.org/BlogPosting">
<h1 class="entry-title" itemprop="headline">SqueezeWave: Extremely Lightweight Vocoders for On-device Speech Synthesis</h1>
<section itemprop="entry-text">
<p><br>
</p>
<p>ArXiv: <a href="https://arxiv.org/pdf/2001.05685.pdf">arXiv</a></p>
<p>Github: <a href="https://github.com/tianrengao/SqueezeWave">Click me</a></p>
<h4 id="authors">Authors</h4>
<ul>
By Tianren Gao *, Bohan Zhai *, Flora Xue, Daniel Rothchild, Bichen Wu, Joseph Gonzalez, and Kurt Keutzer (UC Berkeley)
</ul>
<p><small>* Equal contribution.</small></p>
<h4 id="authors">Abstract</h4>
<ul>
Automatic speech synthesis is a challenging task that is becoming increasingly important as edge devices begin to interact with users through speech. Typical text-to-speech pipelines include a vocoder, which translates intermediate audio representations into an audio waveform. Most existing vocoders are difficult to parallelize since each generated sample is conditioned on previous samples. WaveGlow is a flow-based feed-forward alternative to these auto-regressive models (Prenger et al., 2019). However, while WaveGlow can be easily parallelized, the model is too expensive for real-time speech synthesis on the edge. This paper presents SqueezeWave, a family of lightweight vocoders based on WaveGlow that can generate audio of similar quality to WaveGlow with 61x - 214x fewer MACs. Code, trained models, and generated audio are publicly available at: <a href="https://github.com/tianrengao/SqueezeWave">Link</a>
</ul>
<h4 id="authors">LJ0015</h4>
<table><thead>
<tr>
<th style="text-align: center">Baseline</th>
<th style="text-align: center">SqueezeWave 128L</th>
<th style="text-align: center">SqueezeWave 128S</th>
</tr></thead><tbody>
<tr>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/pretrain/LJ001-0015.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/128L/LJ001-0015.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/128s/LJ001-0015.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
</tr>
</tbody></table>
<table><thead>
<tr>
<th style="text-align: center">SqueezeWave 64L</th>
<th style="text-align: center">SqueezeWave 64S</th>
</tr></thead><tbody>
<tr>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/64L/LJ001-0015.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/64s/LJ001-0015.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
</tr>
</tbody></table>
<h4 id="authors">LJ0051</h4>
<table><thead>
<tr>
<th style="text-align: center">Baseline</th>
<th style="text-align: center">SqueezeWave 128L</th>
<th style="text-align: center">SqueezeWave 128S</th>
</tr></thead><tbody>
<tr>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/pretrain/LJ001-0051.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/128L/LJ001-0051.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/128s/LJ001-0051.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
</tr>
</tbody></table>
<table><thead>
<tr>
<th style="text-align: center">SqueezeWave 64L</th>
<th style="text-align: center">SqueezeWave 64S</th>
</tr></thead><tbody>
<tr>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/64L/LJ001-0051.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/64s/LJ001-0051.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
</tr>
</tbody></table>
<h4 id="authors">LJ0063</h4>
<table><thead>
<tr>
<th style="text-align: center">Baseline</th>
<th style="text-align: center">SqueezeWave 128L</th>
<th style="text-align: center">SqueezeWave 128S</th>
</tr></thead><tbody>
<tr>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/pretrain/LJ001-0063.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/128L/LJ001-0063.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/128s/LJ001-0063.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
</tr>
</tbody></table>
<table><thead>
<tr>
<th style="text-align: center">SqueezeWave 64L</th>
<th style="text-align: center">SqueezeWave 64S</th>
</tr></thead><tbody>
<tr>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/64L/LJ001-0063.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/64s/LJ001-0063.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
</tr>
</tbody></table>
<h4 id="authors">LJ0072</h4>
<table><thead>
<tr>
<th style="text-align: center">Baseline</th>
<th style="text-align: center">SqueezeWave 128L</th>
<th style="text-align: center">SqueezeWave 128S</th>
</tr></thead><tbody>
<tr>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/pretrain/LJ001-0072.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/128L/LJ001-0072.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/128s/LJ001-0072.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
</tr>
</tbody></table>
<table><thead>
<tr>
<th style="text-align: center">SqueezeWave 64L</th>
<th style="text-align: center">SqueezeWave 64S</th>
</tr></thead><tbody>
<tr>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/64L/LJ001-0072.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/64s/LJ001-0072.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
</tr>
</tbody></table>
<h4 id="authors">LJ0079</h4>
<table><thead>
<tr>
<th style="text-align: center">Baseline</th>
<th style="text-align: center">SqueezeWave 128L</th>
<th style="text-align: center">SqueezeWave 128S</th>
</tr></thead><tbody>
<tr>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/pretrain/LJ001-0079.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/128L/LJ001-0079.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/128s/LJ001-0079.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
</tr>
</tbody></table>
<table><thead>
<tr>
<th style="text-align: center">SqueezeWave 64L</th>
<th style="text-align: center">SqueezeWave 64S</th>
</tr></thead><tbody>
<tr>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/64L/LJ001-0079.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/64s/LJ001-0079.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
</tr>
</tbody></table>
<h4 id="authors">LJ0094</h4>
<table><thead>
<tr>
<th style="text-align: center">Baseline</th>
<th style="text-align: center">SqueezeWave 128L</th>
<th style="text-align: center">SqueezeWave 128S</th>
</tr></thead><tbody>
<tr>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/pretrain/LJ001-0094.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/128L/LJ001-0094.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/128s/LJ001-0094.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
</tr>
</tbody></table>
<table><thead>
<tr>
<th style="text-align: center">SqueezeWave 64L</th>
<th style="text-align: center">SqueezeWave 64S</th>
</tr></thead><tbody>
<tr>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/64L/LJ001-0094.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/64s/LJ001-0094.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
</tr>
</tbody></table>
<h4 id="authors">LJ0096</h4>
<table><thead>
<tr>
<th style="text-align: center">Baseline</th>
<th style="text-align: center">SqueezeWave 128L</th>
<th style="text-align: center">SqueezeWave 128S</th>
</tr></thead><tbody>
<tr>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/pretrain/LJ001-0096.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/128L/LJ001-0096.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/128s/LJ001-0096.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
</tr>
</tbody></table>
<table><thead>
<tr>
<th style="text-align: center">SqueezeWave 64L</th>
<th style="text-align: center">SqueezeWave 64S</th>
</tr></thead><tbody>
<tr>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/64L/LJ001-0096.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/64s/LJ001-0096.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
</tr>
</tbody></table>
<h4 id="authors">LJ0102</h4>
<table><thead>
<tr>
<th style="text-align: center">Baseline</th>
<th style="text-align: center">SqueezeWave 128L</th>
<th style="text-align: center">SqueezeWave 128S</th>
</tr></thead><tbody>
<tr>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/pretrain/LJ001-0102.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/128L/LJ001-0102.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/128s/LJ001-0102.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
</tr>
</tbody></table>
<table><thead>
<tr>
<th style="text-align: center">SqueezeWave 64L</th>
<th style="text-align: center">SqueezeWave 64S</th>
</tr></thead><tbody>
<tr>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/64L/LJ001-0102.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/64s/LJ001-0102.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
</tr>
</tbody></table>
<h4 id="authors">LJ0153</h4>
<table><thead>
<tr>
<th style="text-align: center">Baseline</th>
<th style="text-align: center">SqueezeWave 128L</th>
<th style="text-align: center">SqueezeWave 128S</th>
</tr></thead><tbody>
<tr>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/pretrain/LJ001-0153.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/128L/LJ001-0153.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/128s/LJ001-0153.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
</tr>
</tbody></table>
<table><thead>
<tr>
<th style="text-align: center">SqueezeWave 64L</th>
<th style="text-align: center">SqueezeWave 64S</th>
</tr></thead><tbody>
<tr>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/64L/LJ001-0153.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/64s/LJ001-0153.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
</tr>
</tbody></table>
<h4 id="authors">LJ00173</h4>
<table><thead>
<tr>
<th style="text-align: center">Baseline</th>
<th style="text-align: center">SqueezeWave 128L</th>
<th style="text-align: center">SqueezeWave 128S</th>
</tr></thead><tbody>
<tr>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/pretrain/LJ001-0173.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/128L/LJ001-0173.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/128s/LJ001-0173.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
</tr>
</tbody></table>
<table><thead>
<tr>
<th style="text-align: center">SqueezeWave 64L</th>
<th style="text-align: center">SqueezeWave 64S</th>
</tr></thead><tbody>
<tr>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/64L/LJ001-0173.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
<td style="text-align: center"><audio controls="controls" eq-attached="true"><source src="https://tianrengao.github.io/SqueezeWaveDemo/64s/LJ001-0173.wav_synthesis.wav" autoplay="">Your browser does not support the audio element.</audio></td>
</tr>
</tbody></table>
</section>
</article>
</main>
</div>
</body></html>