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- Title
Development of Standard Yorùbá speech-to-text system using HTK.
- Authors
Adetunmbi, O.; Obe, O.; Iyanda, J.
- Abstract
In this paper, a Standard Yorùbá speech-to-text system capable of recognizing isolated words spoken by the users based on previously stored data was designed and implemented. This system adopted syllable-based approach, and carefully-selected words were recorded, analyzed and annotated, using Praat software. An experimental database of six native speakers was taken, each speaking 25 bi-syllabic and 25 tri-syllabic words, under an acoustically-controlled room. The meaningful spectral coefficients were successfully extracted using Mel-frequency cepstral coefficients technique and Hidden Markov Model Toolkit was used to implement the system. A graphical user interface was also developed to make the system accessible and more interactive. Furthermore, the system was tested and evaluated based on the perception of native speakers of the language. The overall accuracy for bi-syllabic and tri-syllabic words was 76 and 84 % respectively. These results obtained for both bi and tri-syllabic words showed that this system was a promising approach that could be adopted for Standard Yorùbá continuous speech recognition system as this will make the system useable for the foreign speaker.
- Subjects
SPEECH-to-text systems; HIDDEN Markov models; COEFFICIENTS (Statistics); CEPSTRUM analysis (Mechanics); DATABASES
- Publication
International Journal of Speech Technology, 2016, Vol 19, Issue 4, p929
- ISSN
1381-2416
- Publication type
Article
- DOI
10.1007/s10772-016-9380-2