Baidu announced their latest production-quality speech synthesis system that can imitate thousands of human voices from people across the globe.
Deep Voice 1 focused on being the first real-time text-to-speech system and Deep Voice 2, with substantial improvements on Deep Voice 1, had the ability to reproduce several hundred voices using the same system.
“Deep Voice 3 matches state-of-the-art neural speech synthesis systems in naturalness while training ten times faster,” according to the researchers. The company says the new version can learn 10,000 voices with just a half an hour of data each.
Using TITAN Xp GPUs and Tesla P100s, they trained their single-speaker synthesis system on an internal English speech data set consisting of 20 hours of data and their multi-speaker synthesis system on the VCTK (108 speakers and ~44 hours) and LibriSpeech (2,484 speakers with ~820 hours) data sets.
For more details about the architecture, read their paper “Deep Voice 3: 2000-Speaker Neural Text-to-Speech”.
In order to deploy their text-to-speech system in a cost-effective way, the system must be able to handle as much traffic as alternative systems on a comparable amount of hardware. To do so, they used a single Tesla P100 GPU which they mention can handle ten million queries per day.
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New Speech Synthesis System Can Imitate Thousands of Accents
Oct 24, 2017
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