Abstract
Previous researches show that speech interactive systems provide users not only a user-friendly interface but a feedback scheme in speech. However, these systems are built on PCs but not available anytime or anywhere. Therefore, an embedded system design is proposed for ubiquitous speech interactive applications. In addition to provide multiform interfaces, this paper also proposes multiple speech interactions by four scenarios: remote control, dictionary query, programmable dialogue, and lexicon-in sentence-out. For cost down purpose, two issues are presented to allow real-time process on a low cost and resource-limited SPCE061A (49.152 MHz) micro controller unit (MCU). One is the short-time start/end point detection of speech streams and the other is the timing arrangement of feature extraction/saving. By utilizing 18 speech streams (average 2.56 seconds) in our experiments, the average processing time for one recognition operation is 0.92 second and the recognition rate is 89.39 %.
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© 2006 Springer-Verlag Berlin Heidelberg
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Lin, PC., Wang, JF., Lin, SC., Mo, MH. (2006). An Embedded System Design for Ubiquitous Speech Interactive Applications Based on a Cost Effective SPCE061A Micro Controller. In: Ma, J., Jin, H., Yang, L.T., Tsai, J.JP. (eds) Ubiquitous Intelligence and Computing. UIC 2006. Lecture Notes in Computer Science, vol 4159. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11833529_9
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DOI: https://doi.org/10.1007/11833529_9
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-38091-7
Online ISBN: 978-3-540-38092-4
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