Each lesson is composed of a series of exercises, which target different linguistic skills and concepts. Users learn languages on Duolingo through gamified, bite-sized lessons. The learning experience for pronunciation Finally, we provide an overview of the infrastructure we built for reliably serving audio to millions of language learners every day.
Using this framework, we show that Amazon Polly has provided a superior experience. We also describe our quantitative and qualitative framework for choosing voices to ensure high-quality material for our users. In this post, we outline why we chose to use TTS instead of human recordings. To some, this approach might seem counterintuitive: shouldn’t people learn by listening to a native speaker? Duolingo uses text-to-speech (TTS) to provide high-quality language education. If exposed to incorrect pronunciation, learners develop their listening and speaking skills poorly, which compromises their ability to communicate effectively. When teaching a foreign language, accurate pronunciation matters. In their own words, “Duolingo is the most popular language-learning platform and the most downloaded education app in the world, with more than 170 million users.” This is a guest post by André Kenji Horie, a software engineer on Duolingo’s Learning Team.
0 kommentar(er)
