Identifying Teacher Questions Using Automatic Speech Recognition in Classrooms.
Nathaniel BlanchardPatrick J. DonnellyAndrew McGregor OlneyBorhan SameiBrooke WardXiaoyi SunSean KellyMartin NystrandSidney K. D'MelloPublished in: SIGDIAL Conference (2016)
Keyphrases
- automatic speech recognition
- speech recognition
- science classroom
- speech signal
- conversational speech
- word error rate
- hidden markov models
- computer assisted language learning
- broadcast news
- spoken words
- speech retrieval
- recognition errors
- learning environment
- learning opportunities
- word recognition
- spontaneous speech
- professional development
- computer technology
- subject matter
- student groups
- middle school
- acoustic features
- noisy environments
- school teachers
- handwriting recognition
- spoken document retrieval
- non stationary
- speech corpus
- natural language
- bayesian networks