Çѱ¹Á¤º¸Åë½ÅÇÐȸ ³í¹®Áö (Journal of the Korea Institute of Information and Communication Engineering)
Current Result Document :
ÇѱÛÁ¦¸ñ(Korean Title) |
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¿µ¹®Á¦¸ñ(English Title) |
A Study on Multi-Pulse Speech Coding Method by using Individual Pitch Pulses |
ÀúÀÚ(Author) |
À̽ÿì
See-Woo Lee
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¿ø¹®¼ö·Ïó(Citation) |
VOL 08 NO. 05 PP. 0977 ~ 0982 (2004. 08) |
Çѱ۳»¿ë (Korean Abstract) |
º» ¿¬±¸¿¡¼´Â ÇÇÄ¡ÃßÃâ ¿À·ù¸¦ ÁÙÀÌ°í ÇÇÄ¡°£°ÝÀÇ º¯À§¿¡ ÀûÀÀÇÒ ¼ö ÀÖµµ·Ï ÇÇÄ¡°£°ÝÀ» Á¤±ÔÈÇÏÁö ¾ÊÀº °³º°ÇÇÄ¡ ÆÞ½º¸¦ ÀÌ¿ëÇÑ »õ·Î¿î ¸ÖƼÆÞ½º À½¼ººÎÈ£È ¹æ½Ä(¶í-MPC)À» Á¦¾ÈÇÏ¿´´Ù. ¿©±â¿¡¼, °³º°ÇÇÄ¡ ÆÞ½ºÀÇ ÃßÃâ·üÀº ³²ÀÚÀ½¼º¿¡¼ 96 ¿©ÀÚÀ½¼º¿¡¼ 85%¸¦ ¾òÀ» ¼ö ÀÖ¾úÀ¸¸ç, °³º°ÇÇÄ¡ ÆÞ½º¸¦ ÀÌ¿ëÇÑ IP-MPC¿Í ÀÚ±â»ó°ü¹ýÀÇ ÇÇÄ¡Á¤º¸¸¦ ÀÌ¿ëÇÑ MPC¸¦ Æò°¡ÇÑ °á°ú, IP-MPCÀÇ À½ÁúÀÌ MPCÀÇ À½Áú¿¡ ºñÇÏ¿© »ó´çÈ÷ °³¼±µÇ¾úÀ½À» ¾Ë ¼ö ÀÖ¾ú´Ù.
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¿µ¹®³»¿ë (English Abstract) |
In this paper, I propose a new method of Multi-Pulse Coding(IP-MPC) use individual pitch pulses in order to accommodate the changes in each pitch interval and reduce pitch errors. The extraction rate of individual pitch pulses was 85% for female voice and 96% for male voice respectively. 1 evaluate the MPC by using pitch information of autocorrelation method and the IP-MPC by using individual pitch pulses. As a result, I knew that synthesis speech of the IP-MPC was better in speech quality than synthesis speech of the MPC.
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