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Audible (Normal) Speech and Inaudible Murmur Recognition Using NAM Microphone
http://hdl.handle.net/10061/7976
http://hdl.handle.net/10061/79766add09ca-e15f-4991-81f1-14e95469a96c
名前 / ファイル | ライセンス | アクション |
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fulltext (265.9 kB)
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Item type | 会議発表論文 / Conference Paper(1) | |||||
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公開日 | 2012-08-22 | |||||
タイトル | ||||||
タイトル | Audible (Normal) Speech and Inaudible Murmur Recognition Using NAM Microphone | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ | conference paper | |||||
アクセス権 | ||||||
アクセス権 | open access | |||||
著者 |
Heracleous, Panikos
× Heracleous, Panikos× Nakajima, Yoshitaka× Lee, Akinobu× Saruwatari, Hiroshi× Shikano, Kiyohiro |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | In this paper, we present audible (normal) speech and inaudible murmur hidden Markov models based automatic speech recognition using NAM microphone. The NAM (Non-Audible Murmur) microphone is a special device, which can be used for capturing inaudible murmur speech. The device is based on the stethoscope, which is used in medical science. By attaching the NAM microphone behind the talker's ear, we can receive very quietly uttered speech and perform automatic speech recognition in a conventional way. Privacy, robustness to environmental, and a useful tool for sound-impaired people noise belong to the advantages of the NAM microphone. Using adaptation techniques, we created hidden Markov models for inaudible speech and we performed automatic speech recognition. The achieved results are very promising, and prove the effectiveness of NAM microphone In this paper, we also introduce our work for recognizing normal speech using NAM microphone. The idea is to take advantage of noise robustness of NAM microphone. In our experiments, we achieved a 93.82% word accuracy in clean environment, and a 93.08% word accuracy in noisy environment. In this paper, we also introduce two techniques to intergrate inaudible murmur and audible speech recognition using NAM microphone. In both cases, we achieved a 92.01% word accuracy on average, which is a very promising result. | |||||
書誌情報 |
p. 329-332, 発行日 2004-09 |
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会議情報 | ||||||
会議名 | EUSIPCO2004: the 12th European Signal Processing Conference | |||||
開催期間 | September 6-10, 2004 | |||||
開催地 | Vienna | |||||
開催国 | AUT | |||||
出版者 | ||||||
出版者 | EURASIP | |||||
権利 | ||||||
権利情報 | Copyright 2004 EURASIP | |||||
著者版フラグ | ||||||
出版タイプ | VoR |