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  • The Science & Technology Behind EnglishCentral
  • Machine Learning Loop
  • Machine Learning Loop
  • Machine Learning Loop
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Machine Learning Loop
For the last 10 years, our learners have provided us a trove of data (over 1 billion learning events) on how they learn English. We use this data to create a "Machine Learning Loop" that incorporates annotated feedback from a team of over 600 trained professional English teachers. The Machine Learning Loop means that our IntelliSpeechSM self-study platform learns from the feedback teachers provide and, at the same time, teachers learn from the feedback IntelliSpeechSM provides.
Interactive Video Lessons
AI Feedback
Teacher Feedback
GoLive! Lessons
1 Billion Learning Events
The Machine Learning Loop