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Ȩ Ȩ > ¿¬±¸¹®Çå > ±¹³» ³í¹®Áö > Çѱ¹Á¤º¸Åë½ÅÇÐȸ ³í¹®Áö (Journal of the Korea Institute of Information and Communication Engineering)

Çѱ¹Á¤º¸Åë½ÅÇÐȸ ³í¹®Áö (Journal of the Korea Institute of Information and Communication Engineering)

Current Result Document : 6 / 15 ÀÌÀü°Ç ÀÌÀü°Ç   ´ÙÀ½°Ç ´ÙÀ½°Ç

ÇѱÛÁ¦¸ñ(Korean Title) ÀâÀ½ÇÏÀÇ À½¼ºÀνÄÀ» À§ÇÑ ½ºÆåÆ®·² º¸»ó°ú ÁÖÆļö °¡Áß HMM
¿µ¹®Á¦¸ñ(English Title) A Frequency Weighted HMM with Spectral Compensation for Noisy Speech Recognition
ÀúÀÚ(Author) À̱¤¼®   Kwang-Seok Lee  
¿ø¹®¼ö·Ïó(Citation) VOL 05 NO. 03 PP. 0443 ~ 0449 (2001. 06)
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(Korean Abstract)
ÀâÀ½È¯°æ¿¡¼­ÀÇ À½¼ºÀνÄÀº ½ÇÁ¦ÀÇ È¯°æ¿¡¼­ÀÇ À½¼ºÀνĿ¡¼­ ¸Å¿ì Áß¿äÇÑ ¾Ö·Î±â¼ú·Î½á À̸¦ ÇØ°áÇϱâ À§ÇÑ ¿¬±¸´Â ²ÙÁØÈ÷ ¿¬±¸µÇ°í ÀÖ´Ù. µû¶ó¼­ º» ¿¬±¸´Â À½¼ºÀνĺо߿¡¼­ °¡Àå ¸¹ÀÌ »ç¿ëÇÏ°í ÀÖ´Â HMMó¸® ½ÃÀâÀ½Ã³¸®ÀÇ ¹®Á¦Á¡À» ÁÖÆļö °¡ÁßÄ¡ ºÎ°¡ HMMÀ¸·Î ÇØ°áÇÏ´Â ¹æ¹ýÀ» Á¦¾ÈÇÏ°í ±× ¼º´ÉÀ» ÀνĽÇÇèÀ» ÅëÇÏ¿© °ËÅäÇÏ¿´´Ù. ±× °á°ú SS󸮸¦ ÇÔ²² »ç¿ëÇÏ´Â MCE-u, MCE-p °¡ °¡Àå ÀâÀ½¿¡ °­ÇÑ ¹æ½ÄÀÓÀ» ¾Ë ¼ö ÀÖ¾ú´Ù.
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(English Abstract)
This paper is simulation research to improve speech recognition rates under the noisy environment. We examines recognition ratio based on frequency-weighted HMM together with spectral subtraction. As results, frequency-weighted HMM with scaling coefficients is trained as a minimum error classification criterion, and is presents a higher recognition rates in noisy condition than a conventional method. Furthermore, spectral subtraction method gives 11 to 28% improvements for this frequency-weighted HMM in low SNR, and gives recognition rates of 81.7% at 6dB SNR of noisy speech.
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