A comparative study of speech and dialed input voice interfaces in rural India
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Speech vs. touch-tone: telephony interfaces for information access by low literate users
ICTD'09 Proceedings of the 3rd international conference on Information and communication technologies and development
Small-vocabulary speech recognition for resource-scarce languages
Proceedings of the First ACM Symposium on Computing for Development
A Hindi speech recognizer for an agricultural video search application
Proceedings of the 3rd ACM Symposium on Computing for Development
Automatic speech recognition for under-resourced languages: A survey
Speech Communication
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In this paper, we describe a method to create speech recognition capability for small vocabularies in resource-scarce languages. By resource-scarce languages, we mean languages that have a small or economically disadvantaged user base which are typically ignored by the commercial world. We use a high-quality well-trained speech recognizer as our baseline to remove the dependence on large audio data for an accurate acoustic model. Using cross-language phoneme mapping, the baseline recognizer effectively recognizes words in our target language. We automate the generation of pronunciations and generate a set of initial pronunciations for each word in the vocabulary. Next, we remove potential conflicts in word recognition by discriminative training.