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Ȩ Ȩ > ¿¬±¸¹®Çå > Çмú´ëȸ ÇÁ·Î½Ãµù > Çѱ¹Á¤º¸Åë½ÅÇÐȸ Çмú´ëȸ > 2008³â Ãá°èÇмú´ëȸ

2008³â Ãá°èÇмú´ëȸ

Current Result Document :

ÇѱÛÁ¦¸ñ(Korean Title) ÀûÀÀÇü ÇÊÅ͸¦ ÀÌ¿ëÇÑ ÀâÀ½Á¦°Å À½¼ºÀÔ·Â ¹× ÀúÀåÀåÄ¡ÀÇ ±¸Çö
¿µ¹®Á¦¸ñ(English Title) Implementation of a storage device the noise elimination negative input that using adaptive filter.
ÀúÀÚ(Author) ÁöÀ¯°­   ¹®´ë¿õ   ±è»ç¿õ   ¹Ú¼öºÀ   Yoo-Kang Ji   Dae-Wong Moon   Sa-wung Kim   Soo-Bong Park  
¿ø¹®¼ö·Ïó(Citation) VOL 12 NO. 01 PP. 0147 ~ 0150 (2008. 05)
Çѱ۳»¿ë
(Korean Abstract)
ÇöÀç Àü±¹ÁÖ¿ä°ü±¤ÁöÀÇ °ü±¤Çؼ³»çÀÇ Çؼ³Àº °ü±¤Áö¸¦ ÀÌÇØÇϴµ¥ ¸¹Àº µµ¿òÀ» ÁÖ°í ÀÖ´Ù. ±×·¯³ª ÁÖ·Î Çؼ³»çÀÇ È°µ¿°ø°£Àº ½Ç¿ÜÀ̹ǷΠÀ°¼ºÀ¸·Î ¸ðµÎ ¾Ë¾ÆµéÀ» ¼ö ÀÖ´Â »óÅ°¡ ¾Æ´Ï´Ù. ±×·¯¹Ç·Î ¸¶ÀÌÅ©¿Í ½ºÇÇÄ¿ µîÀ» ÀÌ¿ëÇÏ°Ô µÇ´Âµ¥ ´ëºÎºÐÀÇ °ü±¤Çؼ³ÀÇ °æ¿ì Çؼ³»çÀÇ ¿òÁ÷ÀÓÀÌ ¸¹¾Æ ÀÇ·ù µî¿¡ ºÎÂøÇÏ¿© »ç¿ëÇÏ´Â ºÎÂø½ÄÀº »ç¿ëÇϱ⿡ ¹ø°Å·Î¿òÀÌ ¸¹´Ù. ÀÌ¿¡ º» ³í¹®¿¡¼­´Â ¼³Ä¡Çü °íÁ¤½Ä ¸¶ÀÌÅ©¸¦ »ç¿ëÇÏ°í ÀԷµǴ À½¼ºÀ» ÀûÀÀÇü ÇÊÅ͸¦ ÀÌ¿ëÇÏ¿© ÀâÀ½À» ÃÖ¼ÒÈ­Çϵµ·Ï MCU(ATmega128), MSM7731-02 Oki-Dual CodecÀ» È°¿ëÇÏ¿© On-board ½Ã½ºÅÛÀ¸·Î ±¸ÇöÇÏ°í, ÇÊÅÍ ÄÚµ¦°úÀÇ ½Ã¸®¾ó Åë½Å¹æ½ÄÀ¸·Î Á¦¾î ÇÁ·Î±×·¥À» ±¸ÇöÇÏ¿´´Ù. ±× °á°ú °¡Ã»¹æÇâÀ» ÃÖ´ë 59ms, ȸ¼±¹ÝÇâ ÃÖ´ë 27ms, ¹ÝÇâ°¨¼Ò ÃÖ´ë 35dB, µîÀÇ ÀûÀÀÇü ÀâÀ½À» Á¦°ÅÇÏ´Â ½Ã½ºÅÛÀ» ±¸ÇöÇÏ¿´´Ù.
¿µ¹®³»¿ë
(English Abstract)
The explanation of Tourism Guide of present whole country main tourist resort helps to understand the tourist resort. However, activity space of Tourism Guide is not state that can be understood all by upbringing by a natural voice. Because action of Tourism Guide is much in case of most sightseeing explanation to use microphone and speaker etc., as sticking that attach and uses to clothing and so on uses, there are much vexatious. Treatise that see hereupon makes use of establishment style fixing microphone and embody inputted obscene sounds by On-board system inflecting MCU (ATmega128), MSM7731-02 Oki-Dual Codec to minimize noise using ecad filter, and embodied a control program by serial communication method with filter codec.The resultant audible direction the maximum 59ms, the line echo maximum 27ms, the echo decrease maximum 35dB, it embodied the system which removes the adaptation elder brother noise of the back.
Å°¿öµå(Keyword) ÀûÀÀÇü ÇÊÅÍ   ÀâÀ½Á¦°Å   °ü±¤Çؼ³»ç  
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