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VLSI for 5000-word continuous speech recognition

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dc.contributor.authorChoi, Young-kyu-
dc.contributor.authorYou, Kisun-
dc.contributor.authorChoi, Jungwook-
dc.contributor.authorSung, Wonyong-
dc.date.accessioned2009-08-05T05:58:05Z-
dc.date.available2009-08-05T05:58:05Z-
dc.date.issued2009-04-
dc.identifier.citationIEEE International Acoustics, Speech and Signal Processing (ICASSP), pp. 557-560, Apr. 2009en
dc.identifier.isbn978-1-4244-2353-8-
dc.identifier.issn1520-6149-
dc.identifier.urihttp://www.icassp09.com-
dc.identifier.urihttps://hdl.handle.net/10371/6174-
dc.description.abstractWe have developed a VLSI chip for 5,000 word speakerindependent continuous speech recognition. This chip employs a context-dependent HMM (hidden Markov model) based speech recognition algorithm, and contains emission probability and Viterbi beam search pipelined hardware units. The feature vector for speech recognition is computed using a host processor in software in order to adopt various enhancement algorithms. The amount of internal SRAM size is minimized by moving data out to the external DRAM, and a custom DRAM controller module is designed to efficiently read and write consecutive data. The experimental result shows that the implemented system has a realtime factor of 0.77 and 0.55 using SDRAM and DDR SDRAM, respectively.en
dc.description.sponsorshipThis work was supported in part by the Brain Korea 21
Project and ETRI SoC Industry Promotion Center Human
Resource Development Project for IT SoC Architect.
en
dc.language.isoen-
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)en
dc.subjectspeech recognitionen
dc.subjectvery-large-scale integrationen
dc.subjectLVCSRen
dc.titleVLSI for 5000-word continuous speech recognitionen
dc.typeArticleen
dc.contributor.AlternativeAuthor최영규-
dc.contributor.AlternativeAuthor유기선-
dc.contributor.AlternativeAuthor최정욱-
dc.contributor.AlternativeAuthor성원용-
dc.identifier.doi10.1109/ICASSP.2009.4959644-
Appears in Collections:
College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Electrical and Computer Engineering (전기·정보공학부)Journal Papers (저널논문_전기·정보공학부)
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