ÇÕ¼ºÇÑ Çѱ¹¾î ´Ü¸ðÀ½ÀÇ Áö°¢½ÇÇè ¿¬±¸
(A perceptual study of Korean monophthongs synthesized)
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µ¿ÀÇ´ëÇб³ Àι®´ëÇÐ ¿µ¾î¿µ¹®Çаú Á¶±³¼ö
1. ¼·Ð
¿À´Ã³¯ Á¤º¸»çȸÀÇ ¹ß´Þ°ú ´õºÒ¾î Àΰ£°ú ±â°è¿ÍÀÇ ¿¬°è¿¡ °üÇÑ ¿¬±¸°¡ »ó´çÈ÷ ÁøÃ´µÇ¾ú´Ù. ƯÈ÷, Àΰ£°ú ±â°è¿ÍÀÇ Åë½ÅÀÇ Çʿ伺ÀÌ ºÎ°¢µÇ¸é¼, ±¸¹Ì °¢±¹¿¡¼´Â ¹ú½á Àΰ£ÀÇ ¹ß¼ºÀ» ¹Þ¾Æµé¿©, Å뿪ÇÏ´Â À½¼º Àνİú ÇÕ¼º±â¼úÀÇ °áÁ¤Ã¼ÀÎ Àåºñ¸¦ ÀÌ¹Ì °³¹ßÇßÀ¸¸ç, Áö±ÝÀº ÀÌµé ±â±â¸¦ º¸´Ù Á¤È®ÇÏ°í ±¤¹üÀ§ÇÏ°Ô È°¿ëÇÏ·Á´Â ¿¬±¸¿¡ ¹ÚÂ÷¸¦ °¡Çϰí ÀÖ´Ù. ÇÏÁö¸¸ Çѱ¹¾î¿¡ °üÇÑ À½¼ººÐ¼®°ú ÇÕ¼º¿¡ ´ëÇÑ ¿¬±¸´Â ±âÃÊÀûÀÎ ÀÚ·áµµ ÃàÀûÀÌ µÇ¾îÀÖÁö¸øÇÏ°í ¶ÇÇÑ,Á¤¹ÐÇÑ ÇÕ¼º±â¸¦ ÅëÇÏ¿© ÇÕ¼ºÇÑ À½¼º¿¡ ´ëÇÑ Áö°¢ÀûÀÎ ½ÇÇ迬±¸´Â º°·Î ¾ø´Â ½ÇÁ¤ÀÌ´Ù.
ÇöÀç ±¹³»ÀÇ »ó¿ëÈµÈ ÇÕ¼º±â·Î´Â '°¡¶ó»ç´ë'³ª MacintoshÀÇ 'HSpeaker'µîÀÌ Àִµ¥ À̵éÀÌ »ç¿ëÇÏ´Â ¸ðÀ½ ÇÕ¼ºÀº ÁÖ·Î ¹ÝÀ½ÀýÀ̳ª ¿ÂÀ½ÀýÀ» ±×Àú ¿¬°á½ÃÄѼ ¹ß¼ºÇÏ°Ô ÇÏ¹Ç·Î½á ±â°èÀûÀÎ ÇÕ¼ºÀ½ÀÇ ¼öÁØ¿¡ ºÒ°úÇÏ´Ù. µû¶ó¼, ÇÕ¼ºµÈ À½Àº ±â°èÀûÀÎ À½À¸·Î¼ ÀÌ¿ëÀÚ¿¡°Ô °ÅºÎ°¨À» ÁְԵǸç, ÀÚ¿¬½º·¯¿î À½À¸·Î Á¶ÀýÇϴµ¥´Â ÇѰ谡 ÀÖ´Ù. ±¹¿ÜÀÇ ÇÕ¼º ¹× Áö°¢½ÇÇè µ¿ÇâÀº Gay(1970), Bond(1982) µîÀÇ ¼±Ç࿬±¸°¡ ÀÖÀ¸³ª À̵éÀÇ ÇÕ¼º ¹æ¹ýÀº Pattern PlaybackÀ̳ª, Rockland Digital Speech Synthesizer¸¦ »ç¿ëÇߴµ¥, ÁÖ·Î Á¦ 1,2,3 Æ÷¸ÕÆ®À» »ç¿ëÇÏ°í °íÁÖÆÄºÎºÐÀÇ Æ÷¸ÕÆ®Àº °ÅÀÇ ¹«½ÃÇÔÀ¸·Î½á, ÀÚ¿¬½º·± º¯ÈÆøÀ̳ª ±âŸ º¯¼öÀÇ Á¶Àý¿¡ ´ëÇÑ ¾ð±ÞÀÌ ¾ø´Ù. µû¶ó¼, À̵éÀÇ °á°ú°¡ ¿¬±¸ÇϰíÀÚ ÇÏ´Â ºÎºÐ¿¡ ´ëÇÑ Ã»ÃëÀÚÀÇ ÆÇ´ÜÀ̶ó±â º¸´Ù´Â ¿ÀÈ÷·Á ³·Àº ¼öÁØÀÇ ÇÕ¼ºÀ½¿¡¼ ³ª¿À´Â ±âŸ¿ä¼ÒÀÇ °³ÀÔÀÌ ÆÇ´Ü¿¡ ¿µÇâÀ» ¹ÌÃÆÀ¸¸®¶ó ÃßÁ¤µÈ´Ù.
±âÁ¸ÀÇ Çѱ¹¾î ÇÕ¼º°ú Àνı⠰³¹ß¿¡ »ó´çÇÑ ÅõÀÚ¸¦ Çϰí ÀÖÀ½¿¡µµ °ý¸ñÇÒ ¸¸ÇÑ ¼º°ú°¡ ³ª¿ÀÁö ¾Ê´Â °ÍÀº ¹Ù·Î Çѱ¹¾î¿¡ ´ëÇÑ À½¼ºÇÐÀû Áö½ÄÀÌ ºÎÁ·ÇÑ »óÅ¿¡¼ ÇàÇÑ ½ÇÇè¿¡¼ ³ª¿Â Á¤È®Ä¡ ¸øÇÑ ÆÄ¶ó¸ÞÅ͸¦ »ç¿ëÇϴµ¥¼ ºñ·ÔµÈ´Ù°í ¿©°ÜÁø´Ù. ƯÈ÷ Áö°¢ÀûÀÎ ½ÇÇè°á°ú¸¦ ¹Ý¿µÇÏÁö ¾Ê°í ¹°¸®ÀûÀÎ ´ÜÀ§¿¡¸¸ ¸Å´Þ·Á ÇØ°áÃ¥À» ã´Âµ¥¼ ¹®Á¦°¡ ÀÖÀ» ¼öµµ ÀÖ´Ù. ´Ù½Ã ¸»Çؼ, ÁÖ°üÀûÀÎ »ç¶÷ÀÇ Ã»°¢±â°üÀº ±â°è¿Í °°ÀÌ Á¤È®ÇÏ°Ô ¹°¸®ÀûÀÎ À½¼ºÀÇ Â÷À̸¦ °¨ÁöÇÏÁö ¾Ê´Â °ÍÀÌ´Ù. °á±¹, Áö°¢ °æ°è¼±¿¡ ´ëÇÑ ¿¬±¸ °á°ú°¡ ÀÖÀ¸¸é ÀÌ·¯ÇÑ ½ÃÇàÂø¿À °úÁ¤À» »ó´çÈ÷ ÁÙÀÏ ¼ö ÀÖÀ» °ÍÀÌ´Ù.
º» ¿¬±¸ÀÇ ¸ñÀûÀº °Ç°Çϰí Á¤»óÀûÀΠû·ÂÀ» °¡Áø À½¼ºÇÐÀÚ°¡ ¹ß¼ºÇÑ ¿©¼¸°³ÀÇ Çѱ¹¾î ´Ü¸ðÀ½ÀÇ Æ÷¸ÕÆ® ¹× ±âº»Á֯ļö, ÁøÆø, Áö¼Ó½Ã°£ µî ³×°¡Áö ¸Å°³º¯¼ö¸¦ À½ÇâÇÐÀûÀ¸·Î Á¤¹Ð ºÐ¼®ÇÑ µÚ, ÀÌµé ÆÄ¶ó¸ÞÅ͸¦ ÀÌ¿ëÇÏ¿© ¿øÀ½°ú ÃÖ´ëÇÑ °¡±îÀÌ À½¼ºÀ» ÇÕ¼ºÇÑ´Ù. ÇÕ¼ºµÈ À½ÀÇ ÆÄ¶ó¸ÞÅÍÁß Á¦ 1,2,3 Æ÷¸ÕÆ®¸¦ ÀÓÀÇÀÇ °£°ÝÀ¸·Î º¯È½ÃÄѼ Á¤»óÀûÀΠû·ÂÀ» °¡Áø À½¼ºÇÐÀÚ¿¡°Ô µé·Á ÁÖ¾î Áö°¢½ÇÇèÀ» ÇàÇÏ¿©, ÀÚ¿¬½º·´°Ô ÇÕ¼ºµÈ ´Ü¸ðÀ½À¸·Î ÆÇ´ÜÇÏ´Â ±âÁ¡Àº ¾îµðÀΰ¡¸¦ ¹àÈûÀ¸·Î½á, ¾ÕÀ¸·Î ´Ü¸ðÀ½ÀÇ ÇÕ¼ºÀº ¹°·Ð ÀÚ¸ðÀ½°áÇÕ¿¡ ÀÇÇÑ ÈļÓÀûÀÎ ÇÕ¼º ¿¬±¸¿¡ ´ëÇÑ Áö°¢ÀûÀÎ ½ÇÇèÀÇ Áß¿äÇÑ ±âÃÊÀÚ·á¿Í ¿¬±¸¹æ¹ý·ÐÀ» Á¦½ÃÇÔÀ¸·Î½á º¸´Ù ¸¹Àº Áö°¢½ÇÇè ¿¬±¸¸¦ À¯µµÇÑ´Ù. ¶ÇÇÑ, À½¼ºÀνĿ¡ ´ëÇÑ ÀÎ½Ä °æ°è¼±¿¡ ´ëÇÑ ÀڷḦ Á¦½ÃÇÔÀ¸·Î½á À̸¦ Ȱ¿ëÇÑ À½¼ºÇÕ¼º ¹× À½¼ºÀÚµ¿ ÀνÄÀåÄ¡ °³¹ß¿¡ ±â¿©ÇϰíÀÚ ÇÑ´Ù.
2. À½¼º ÇÕ¼º±â
À½¼ºÇÕ¼º±â´Â ¿øÀ½ÀÇ »ý¼ºÀ» ´ã´çÇÏ´Â ¼º´ë¿Í À̸¦ °É·¯¼ ¿øÇÏ´Â ¼Ò¸®·Î ¸¸µå´Â °ø¸í±âÀÎ ¼ºµµ·Î ÀÌ·ïÁø Àΰ£ÀÇ ¹ßÈ »ý¼º ÀåÄ¡¸¦ ¸ðµ¨ (Fant, 1970) ·Î À½¼ºÀ» »ý¼ºÇÑ´Ù. Ãʱ⿡´Â Á¶À½±â°üÀ» Á÷Á¢ ¸ðµ¨·Î ÇÏ¿© À½¼ºÀ» ÇÕ¼ºÇÏ´Â Á¶À½ÇÕ¼º±â (articulatory synthesizer) °¡ ¾²¿´´Ù. Á¶À½ÇÕ¼º±â¿¡ »ç¿ëÇÏ´Â ÆÄ¶ó¸ÞÅÍ´Â x-¼± ÃÔ¿µ°ú Á÷Á¢ ´«À¸·Î º» °Í¿¡¼ ³ª¿Â Á¶À½±â°üÀÇ ¸ð¾ç°ú À§Ä¡ÀÌ´Ù. ´Ù½Ã ¸»Çؼ, ÁÖ·Î Çô³ª ÀÔ¼ú µîÀÇ ¿òÁ÷ÀÓÀ» ÃøÁ¤ÇÏ¿© ¼ºµµÀÇ ¸ð¾çÀ» ÃßÁ¤Çϰí ÀÌ °ªÀ» ÀÌ¿ëÇÏ¿© ÇÕ¼º±â¿¡ ÀÀ¿ëÇÏ¿´´Ù. ±×·¯³ª Á¶À½ÀûÀÎ ÇÕ¼ºÀº »ç¶÷ÀÇ ¹ß¼º¿¡ ´ëÇÑ ÀÌÇØ¸¦ »ó´çÈ÷ µµ¿ÔÁö¸¸, ¿©ÀüÈ÷ ºÒÃæºÐÇÑ Áö½Ä¶§¹®¿¡ ¹ßÀü¿¡ ¾î·Á¿òÀÌ ÀÖ´Ù. ¿¹¸¦ µé¾î, x-¼± ÃÔ¿µÀº ¼ºµµÀÇ Ãø¸é¸¸À» º¸¿©ÁÖ°í ÀÔüÀûÀÎ º¯È´Â Æ÷ÂøÇÏ±â ¾î·Æ´Ù. ºñ·Ï À½ÇâÀûÀΠƯ¡Àº Ⱦ´Ü¸é°ú ¼ºµµÀÇ ±æÀ̸¸À¸·Î ¾î´À Á¤µµ Á¶»çÇØ ³¾ ¼ö ÀÖÁö¸¸ ¿©ÀüÈ÷ ºÒ¿ÏÀüÇÑ Á¤º¸ÀÓ¿¡´Â Ʋ¸²¾ø´Ù. ¶ÇÇÑ Æó¿¡¼ ³ª¿À´Â °ø±âÀÇ È帧, ¼º´ëÀÇ ±æÀÌ¿Í ±äÀåµµ, ¼ºµµÀÇ ¸ð¾çÀ̳ª Á¶À½±â°üÀÇ ¿òÁ÷ÀÓ µî¿¡ ´ëÇÑ ¼¼ºÎÀûÀÎ ³»¿ëÀ» ¸ðµÎ ÀÌÇØÇØ¾ß¸¸ ÇÑ´Ù.
ÀÌ¾î¼ 1950³â´ëÀÇ ¹®¾çÀç»ý±â (pattern playback)°¡ ³ª¿À¸é¼ À½¼ºÀÇ º¯È¸¦ Àü±âÀûÀÎ Á¶Àý·Î ¸ð¹æÇÏ°Ô µÇ¾ú´Ù. À̰ÍÀº Åõ¸íÇÑ º§Æ® À§¿¡ º×À¸·Î Àα¤¹°ÁúÀ» »ç¿ëÇÏ¿© Æ÷¸ÕÆ®ÀÇ ±ËÀûÀ» ±×·Á³ª°£ µÚ À̸¦ ½ºÆåÆ®·Î±×·¥ »ý¼ºÀÇ ¹Ý´ë°úÁ¤À¸·Î ó¸®ÇÏ¿© À½À» ÇÕ¼ºÇس»´Â ¹æ¹ýÀÌ´Ù. À̸¦ ÅëÇØ À½¼º¿¡ ´ëÇØ »ó´çÈ÷ ÀÌÇØÇÏ°Ô µÇ¾ú´Ù. ƯÈ÷ À½ÇâÀûÀÎ º¯È¿Í Áö°¢ÀûÀÎ º¯È »çÀÌ¿¡´Â »ó´çÇÑ Â÷À̰¡ ÀÖÀ½À» ¹àÇô³½ Á¡¿¡¼ Áß¿äÇÑ ¿¬±¸°á°ú¸¦ µµÃâÇß´Ù.
1960³â´ë¿¡ µé¾î¿Í¼´Â µðÁöÅ» ÄÄÇ»ÅÍÀÇ µîÀåÀ¸·Î ÀÌ·¯ÇÑ ´Ü¼øÇÑ Æ÷¸ÕÆ®ÀÇ ±ËÀûÀ» ±×¸®´Â ´ë½Å¿¡ º¸´Ù ¼¶¼¼Çϰí Á¤È®ÇÑ À½¼ºÇÕ¼º±â·Î¼ Æ÷¸ÕÆ® ÇÕ¼º±â°¡ ³ª¿Ô´Âµ¥ Æ÷¸ÕÆ® ÇÕ¼º±â´Â À¯¼ºÀ½ »ý¼º¿ë ÀüÀÚÀ½ »ý¼º±â (electrical buzz generator)¿Í ¹«¼ºÀ½À» À§ÇÑ ¼ÒÀ½ Àç»ý±â (hiss generator)·Î µÇ¾î ÀÖ°í ¼ºµµÀÇ Æ÷¸ÕÆ®¸¦ ¸ð¹æÇϱâ À§ÇØ ¼³Ê°³ÀÇ Àü±â°ø¸íȸ·Î¸¦ °®Ãß°í ÀÖ´Ù. ÀÌ·± °ø¸íȸ·Î´Â Á÷·Ä·Î ¿¬°áÇϰųª º´·Ä·Î ¿¬°áÇÒ ¼ö ÀÖµµ·Ï µÇ¾îÀÖ´Ù. Á÷·ÄÇÕ¼º±â (cascade synthesizer) ´Â °ø¸íÀ½´ëÀÇ ÁøÆøÀÌ ÀÚµ¿ Á¶ÀýµÇ¹Ç·Î ¸ðÀ½ÀÇ ÇÕ¼º¿¡ ÀûÇÕÇÏ´Ù. ±×·¯³ª ÀÚÀ½°ú ºñÀ½ÈµÈ ¸ðÀ½Àº º´·ÄÇÕ¼º±â (parallel synthesizer)·Î ¸ð¹æÇϴµ¥ »ç¿ëµÈ´Ù. ÇöÀçÀÇ Æ÷¸ÕÆ® ¹æ½Ä¿¡ ÀÇÇÑ ÇÕ¼º±â´Â 60¿© °¡Áö¿¡ ÇØ´çÇÏ´Â ´Ù¾çÇÏ°í º¹ÀâÇÑ ÆÄ¶ó¸ÞÅ͸¦ Á¶ÀýÇÏ¿© ¿øÀ½¿¡ °ÅÀÇ °¡±î¿ï Á¤µµ·Î ÇÕ¼ºÇÒ ¼ö ÀÖµµ·Ï µÇ¾î ÀÖ´Ù. ƯÈ÷, ÀÌµé ÆÄ¶ó¸ÞÅ͸¦ µ¶¸³ÀûÀ¸·Î Á¶ÀýÇÒ ¼ö ÀÖÀ¸¹Ç·Î ¿©·¯°¡Áö º¯È¸¦ ÅëÇÑ Á¤¹ÐÇÑ À½¼º ÇÕ¼º ¹× Áö°¢ ½ÇÇè¿¡ ÀûÇÕÇÏ´Ù. ½ÇÁ¦, Æ÷¸ÕÆ®¹æ½Ä¿¡ ÀÇÇÑ ÇÕ¼º±â¸¦ »ç¿ëÇßÀ» ¶§, °ÅÀÇ ÀÚ¿¬À½°ú ±¸ºÐÇÒ ¼ö ¾øÀ» Á¤µµ·Î Á¤¹ÐÇÑ ÇÕ¼ºÀÌ °¡´ÉÇÏ´Ù´Â ¿¬±¸°á°ú°¡ ³ª¿ÍÀÖ´Ù (Holmes, 1973).
3. À½¼º ºÐ¼® ¹× ÇÕ¼º
º» ¿¬±¸¿¡¼´Â °Ç°Çϰí Á¤»óÀûÀΠû·ÂÀ» °¡Áø À½¼ºÇÐÀÚ°¡ ´À¸° ¼Óµµ·Î ¼¼¹ø¾¿ ¹ßÀ½ÇÑ ¿©¼¸ °³ÀÇ ´Ü¸ðÀ½ (¾Æ, ÀÌ, ¿ì, ¿¡, ¿À, ¾î)¸¦ »ç¿ëÇß´Ù.¼¼¹ø °¡¿îµ¥ º¯È°¡ ¸¹Àº ³ìÀ½ ½ÃÀÛºÎ¿Í ³¡ºÎºÐÀº Á¦¿ÜÇϰí Áß°£ºÎºÐÀÇ À½¼ºÀ» ÁÖ·Î ºÐ¼®¿¡ Ȱ¿ëÇß´Ù. À½¼º ºÐ¼®, ÇÕ¼º, Áö°¢ ½ÇÇèÀÇ ¸ðµç °úÁ¤Àº ´ÙÀ½ ±×¸² 1°ú °°´Ù.
±×¸² 1. À½¼º ºÐ¼®, ÇÕ¼º, Áö°¢½ÇÇè °úÁ¤
À½¼º ÀÔ·ÂÀº MacintoshÀÇ Signalyze 2.45¿¡ MacRecorder¿ë Digitizer¸¦ »ç¿ëÇÏ¿© 22 kHz Ç¥º»¼Óµµ·Î ¾çÀÚÈÇÏ¿© ÀԷ½ÃÄ×´Ù. ÀÔ·ÂµÈ ½ÅÈ£¿¡¼ ±âº»Á֯ļöÀÇ ºÐ¼®Àº ÀÚ±â»ó°ü¹ý (autocorrelation)¿¡ ÀÇÇÏ¿© ¼öÁýÇß´Ù. ¼öÁý °£°ÝÀº ¸¶¿ì½º¸¦ ÀÌ¿ëÇÏ¿© À½ÀýÀÇ ÃÑÁö¼Ó½Ã°£ (Total Time:TT)À» ±¸ÇÑ µÚ À̸¦ ´ÙÀ½ °ø½Ä 1)¿¡ ÀÇÇÏ¿© Àû¾îµµ 80 °³ ÀÌ»óÀÇ ±âº»Á֯ļö°ªÀ» ±¸ÇÒ ¼ö ÀÖµµ·Ï Çß´Ù.
°ø½Ä 1) ±âº»Á֯ļö ¼öÁý °£°Ý (msec) = (5 X TT) /400
°ø½Ä 1)¿¡¼ 400Àº ÇÕ¼º±â¿¡ µé¾î°¥ ÃÑ Áö¼Ó½Ã°£À̸ç 5´Â ÇÕ¼º±âÀÇ ÆÄ¶ó¸ÞÅÍ »ý¼º °£°ÝÀÌ´Ù. ÀÌ·¸°Ô ±¸ÇÑ ¼öÁý °£°ÝÀº ¾à 5Ҍ10 msec ¸¶´Ù ÇϳªÀÇ °ªÀ» ÃëÇÑ °ÍÀÌ µÈ´Ù. ¶ÇÇÑ ±âº»Á֯ļöÀÇ ¹üÀ§¸¦ 100Ҍ200 Hz ¹üÀ§·Î Á¦ÇÑÇÏ¿© ¼öÁýÇÏ¿´À¸¸ç ÀÌ ¶§ ¹üÀ§¸¦ ¹þ¾î³ ±Ø´ÜÄ¡´Â ÆÄÇüÀ» È®´ëÇÏ¿© À½ÆÄÀÇ °¢ ¼º´ë ¶³¸²»çÀÌÀÇ ½Ã°£À» ÃøÁ¤ÇÏ¿© ¼öÁ¤Çß´Ù. ÀÌ·¸°Ô ¼öÁýµÈ ÀڷḦ ÅØ½ºÆ® ÈÀÏ·Î ÀúÀåÇß´Ù. ÀÌ ÈÀÏÀ» ¿öµåÇÁ·Î¼¼¼·Î ÀÐ¾î¼ ¾ÕµÚ¿¡ »ý¼ºµÈ ¹«ÇѰªÀ» Á¦°ÅÇÑ µÚ 80¿©°³ÀÇ °ªÀ» ±×¸² 2¿Í °°ÀÌ Hypertalk·Î ¸¸µç ±âº»Á֯ļö ¹× ÁøÆøÀÔ·Â ÇÁ·Î±×·¥¿¡ ÀÔ·ÂÇϰí, °Å±â¿¡ µ¡ºÙ¿©, Signalyze¿¡¼ ºÐ¼®ÇÏ¿© »ý¼ºÇÑ °¢ ¸ðÀ½ÀÇ ÁøÆøÀ±°û (envelope) À» ¿Å°Ü¿Í¼ Ä¿¼·Î ±ËÀûÀ» µû¶ó°¡¸é¼ ÀÚµ¿À¸·Î ÁøÆøÀ» ÀÔ·ÂÇϵµ·Ï Çß´Ù.
±×¸² 2. ±âº»Á֯ļö ¹× ÁøÆøÀÔ·Â ÇÁ·Î±×·¥ÀÇ ¿¹
ÀÌ·¸°Ô ¿Ï¼ºµÈ ÀÚ·áÀÇ ÀºÎºÐ¿¡ KlattÇÕ¼º±âÀÇ Ç¥1°ú °°ÀÌ ±âº»°ªÀ» ´õÇÏ¿© À̸¦ SaveText¸Þ´º¸¦ »ç¿ëÇÏ¿© Çϵåµð½ºÅ©¿¡ ÅØ½ºÆ® ÈÀÏ·Î ÀúÀåÇß´Ù. ´ÙÀ½À¸·Î´Â Klatt & Klatt (1990) ÀÇ Æ÷¸ÕÆ®ÇÕ¼º¹æ½ÄÀ» äÅÃÇÑ Macintosh¿ë ÇÕ¼º¼ÒÇÁÆ®¿þ¾îÀÎ SenSyn 1.0À¸·Î ¿¾î¼ ±âº»Á֯ļö¿Í ÁøÆø¿¡ ´ëÇÑ ÈÀÏÀ» ÀÚµ¿À¸·Î ÀÔ·ÂÇϰí, µ¿½Ã¿¡ Signalyze¿¡¼ ºÐ¼®ÇÑ ³× °³ÀÇ Æ÷¸ÕÆ® °ªÀ» ÀÏÀÏÀÌ ÀÔ·ÂÇß´Ù. °¢ ¸ðÀ½ÀÇ Æ÷¸ÕÆ® °ªÀº Signalyze¸¦ ÀÌ¿ëÇØ ÇØ´ç ¸ðÀ½ÀÇ ½ºÆåÆ®·Î±×·¥À» »ý¼ºÇÏ¿© ¸ðÀ½ÀÇ Æ÷¸ÕÆ® À§Ä¡¸¦ È®ÀÎÇÑ µÚ ¾ÈÁ¤µÈ ºÎºÐ¿¡ ÇØ´çÇÏ´Â ÃÑ Áö¼Ó½Ã°£ÀÇ 1/3 ÁöÁ¡¿¡¼ 120 Hz ´ë¿ªÀÇ ½ºÆåÆ®·³À» »ý¼ºÇÏ¿© ±¸Çß´Ù. À̶§, ÀÌ ½ÃÁ¡ÀÇ Á¿ìÀÇ ½ºÆåÆ®·³À» ºÐ¼®½ÃÄѼ µ¿½Ã¿¡ ÇÑ È¸é¿¡ ³ªÅ¸³»¾î Á¤¹ÐÇÑ °ªÀ» ±¸Çß´Ù. Ç¥ 1Àº ÀÌ·¸°Ô »ý¼ºÇÑ ¸ðÀ½ [ÀÌ]ÀÇ ½ÇÁ¦ ÇÕ¼ºÇϱâ Á÷ÀüÀÇ ÈÀÏÀÇ ¿¹ÀÌ´Ù.
Ç¥ 1. ¸ðÀ½ [ÀÌ]ÀÇ ÇÕ¼º¿ë ÈÀÏÀÇ ¿¹
Synthesis specification for file: 'i.par'
SenSyn Version 1.0
Total number of waveform samples = 8000
CURRENT CONFIGURATION:
60 parameters
SYM V/C MIN VAL MAX DESCRIPTION
----------------------------------------------------------------------
DU C 30 400 5000 Duration of the utterance, in msec
UI C 1 5 20 Update interval for parameter reset, in msec
SR C 5000 20000 20000 Output sampling rate, in samples/sec
NF C 1 6 6 Number of formants in cascade branch
SS C 1 2 3 Source switch (1=impulse, 2=natural, 3=LF model)
RS C 1 8 8191 Random seed (initial value of random # generator)
SB C 0 1 1 Same noise burst, reset RS if AF=AH=0, 0=no,1=yes
CP C 0 0 1 0=Cascade, 1=Parallel tract excitation by AV
OS C 0 0 20 Output selector (0=normal,1=voicing source,...)
GV C 0 60 80 Overall gain scale factor for AV, in dB
GH C 0 60 80 Overall gain scale factor for AH, in dB
GF C 0 60 80 Overall gain scale factor for AF, in dB
F0 V 0 1000 5000 Fundamental frequency, in tenths of a Hz
AV V 0 60 80 Amplitude of voicing, in dB
OQ v 10 50 99 Open quotient (voicing open-time/period), in %
SQ v 100 200 500 Speed quotient (rise/fall time, LF model), in %
TL v 0 0 41 Extra tilt of voicing spectrum, dB down @ 3 kHz
FL v 0 0 100 Flutter (random fluct in f0), in % of maximum
DI v 0 0 100 Diplophonia (alt periods closer), in % of max
AH v 0 0 80 Amplitude of aspiration, in dB
AF v 0 0 80 Amplitude of frication, in dB
F1 v 180 330 1300 Frequency of 1st formant, in Hz
B1 v 30 150 1000 Bandwidth of 1st formant, in Hz
DF1 v 0 0 100 Change in F1 during open portion of period, in Hz
DB1 v 0 0 400 Change in B1 during open portion of period, in Hz
F2 v 550 2520 3000 Frequency of 2nd formant, in Hz
B2 v 40 70 1000 Bandwidth of 2nd formant, in Hz
F3 v 1200 3230 4800 Frequency of 3rd formant, in Hz
B3 v 60 80 1000 Bandwidth of 3rd formant, in Hz
F4 v 2400 3600 4990 Frequency of 4th formant, in Hz
B4 v 100 100 1000 Bandwidth of 4th formant, in Hz
F5 v 3000 4500 4990 Frequency of 5th formant, in Hz
B5 v 100 200 1500 Bandwidth of 5th formant, in Hz
F6 v 3000 4990 4990 Frequency of 6th formant, in Hz (applies if NF=6)
B6 v 100 500 4000 Bandwidth of 6th formant, in Hz (applies if NF=6)
FNP v 180 280 500 Frequency of nasal pole, in Hz
BNP v 40 900 1000 Bandwidth of nasal pole, in Hz
FNZ v 180 280 800 Frequency of nasal zero, in Hz
BNZ v 40 900 1000 Bandwidth of nasal zero, in Hz
FTP v 300 2150 3000 Frequency of tracheal pole, in Hz
BTP v 40 900 1000 Bandwidth of tracheal pole, in Hz
FTZ v 300 2150 3000 Frequency of tracheal zero, in Hz
BTZ v 40 900 2000 Bandwidth of tracheal zero, in Hz
A2F v 0 0 80 Amp of fric-excited parallel 2nd formant, in dB
A3F v 0 0 80 Amp of fric-excited parallel 3rd formant, in dB
A4F v 0 0 80 Amp of fric-excited parallel 4th formant, in dB
A5F v 0 0 80 Amp of fric-excited parallel 5th formant, in dB
A6F v 0 0 80 Amp of fric-excited parallel 6th formant, in dB
AB v 0 0 80 Amp of fric-excited parallel bypass path, in dB
B2F v 40 250 1000 Bw of fric-excited parallel 2nd formant, in Hz
B3F v 60 300 1000 Bw of fric-excited parallel 3rd formant, in Hz
B4F v 100 320 1000 Bw of fric-excited parallel 4th formant, in Hz
B5F v 100 360 1500 Bw of fric-excited parallel 5th formant, in Hz
B6F v 100 1500 4000 Bw of fric-excited parallel 6th formant, in Hz
ANV v 0 0 80 Amp of voice-excited parallel nasal form., in dB
A1V v 0 60 80 Amp of voice-excited parallel 1st formant, in dB
A2V v 0 60 80 Amp of voice-excited parallel 2nd formant, in dB
A3V v 0 60 80 Amp of voice-excited parallel 3rd formant, in dB
A4V v 0 60 80 Amp of voice-excited parallel 4th formant, in dB
ATV v 0 0 80 Amp of voice-excited par tracheal formant, in dB
Varied Parameters:
Time F0 AV
0 1660 30
5 1720 32
10 1700 34
15 1700 35
(Áß°£ºÎºÐ »ý·«)
385 1180 22
390 1180 19
395 1180 13
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Ç¥ 2. ÇÕ¼º±â¿¡ ÀÔ·ÂÇÑ Æ÷¸ÕÆ® Á֯ļö ¹× Á֯ļö´ë¿ª. F1Àº Á¦1Æ÷¸ÕÆ®¸¦ ³ªÅ¸³»¸ç, B1Àº Á¦1Æ÷¸ÕÆ®ÀÇ Á֯ļö´ë¿ªÀ» ³ªÅ¸³½´Ù.
¸ðÀ½ F1 B1 F2 B2 F3 B3 F4 B4
___________________________________________________________
ÀÌ 330 150 2520 70 3230 80 3600 100
¾Æ 800 110 1345 120 2710 120 3800 150
¿À 540 90 900 110 2600 150 3500 100
¿ì 370 80 730 90 2600 60 3550 100
¿¡ 550 60 2100 90 2900 150 3600 300
¾î 620 70 1200 90 2950 90 3600 140
___________________________________________________________
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Ç¥ 3. ÇÕ¼ºÇÑ À½¼º ÀÚ·á.
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ÀÌ 200 150 2520 70 3230 80 3600 100
ÀÌ 250 150 2520 70 3230 80 3600 100
ÀÌ 300 150 2520 70 3230 80 3600 100
ÀÌ 350 150 2520 70 3230 80 3600 100
ÀÌ 400 150 2520 70 3230 80 3600 100
(Áß°£ºÎºÐ »ý·«)
¾Æ 800 110 1500 120 2800 120 3800 150
¾Æ 800 110 1500 120 2900 120 3800 150
¾Æ 800 110 1500 120 3000 120 3800 150
¾Æ 800 110 1500 120 3100 120 3800 150
¾Æ 800 110 1500 120 3200 120 3800 150
4. Áö°¢½ÇÇè ¹× °á°ú ºÐ¼®
4.1 ³ìÀ½ÇÑ ÇÇÇèÀÚÀÇ Áö°¢½ÇÇè
¾Õ¿¡¼ ÇÕ¼ºÇÑ À½¼ºÀº ¿øÀ½°ú ºñ±³ÇÏ¿© ÀÀ´äÇÏ´Â ¹æ½ÄÀ¸·Î Áö°¢½ÇÇèÀ» ÇàÇß´Ù. ½ÇÇèȯ°æÀº Macintosh LC475 ¿¡ Hypertalk·Î ½ÇÇèȯ°æ¿¡ ´ëÇÑ ÇÁ·Î±×·¥À» ±×¸² 3°ú °°ÀÌ ¸¸µé¾ú´Ù. °¢ ¸ðÀ½¿¡ ´ëÇÑ ÇÕ¼ºÀ½ SoundWaveÆÄÀÏ·Î º¯È¯½ÃÄÑ SoundMover¸¦ ÀÌ¿ëÇÏ¿© Hypercard¿¡ ¿Å°å´Ù. ÇÇÇèÀÚ¿¡°Ô °¢ ¸ðÀ½¸¶´Ù »ý¼ºÇÑ ÈÀÏÀ» Á¶¿ëÇÑ ¹æ¿¡¼ Á֯ļö ¹ÝÀÀ ´ë¿ªÀÌ 20Ҍ20,000 HzÀÎ EMMA-300 ÇìµåÆùÀ» ÀÌ¿ëÇÏ¿© µé·ÁÁÖ¾ú´Ù.
±×¸² 3. Áö°¢ ½ÇÇèÀ» À§ÇÑ Hypercard ½ÇÇèȯ°æ ȸé
ÇÇÇèÀÚ´Â 0.5ÃÊ °£°ÝÀ¸·Î µÎ°³ÀÇ ½ÅÈ£¸¦ µè°í À̸¦ ÆÇ´ÜÇϵµ·Ï Çß´Ù. »çÀü ½ÇÇè¿¡ ÀÇÇÏ¸é µÎ ½ÅÈ£ÀÇ °£°ÝÀÌ ³Ê¹« °¡±õ°Å³ª ¸Ö ¶§¿¡´Â ÁßøÀ̳ª ´Ü±â±â¾ïÀÇ ¹®Á¦Á¡ ¶§¹®¿¡ ÆÇ´Ü¿¡ ¾î·Á¿òÀÌ ÀÖÀ½À» ¹ß°ßÇß´Ù. ÆÇ´ÜÀº ¸ÕÀú "ºñ½ÁÇÏ´Ù"¿Í "´Ù¸£´Ù"·Î ¸¶¿ì½º·Î ¼±ÅÃÇÑ µÚ "ºñ½ÁÇÏ´Ù"¸¦ ÅÃÇßÀ» ¶§´Â "²À°°´Ù"¿Í "ºñ½ÁÇÏ´Ù" Áß Çϳª¸¦, "´Ù¸£´Ù"·Î ¼±ÅÃÇßÀ» ¶§´Â "´Ù¸£´Ù"¿Í "¾ÆÁÖ´Ù¸£´Ù"°¡¿îµ¥ Çϳª¸¦ ¹Ýµå½Ã ¼±ÅÃÇϵµ·Ï µÇ¾îÀÖ´Ù. ÇÇÇèÀÚ°¡ ¼±ÅÃÇÏ¸é ´ÙÀ½ ½ÅÈ£°¡ Àç»ýµÇµµ·Ï Çϰí, ¸¶Áö¸· ÀÀ´äÀÌ ³¡³ª¸é, ÇÇÇèÀÚÀÇ ´ä¾ÈÀ» ¸ðµÎ ¸ð¾Æ¼ ÇϳªÀÇ ÅØ½ºÆ® ÈÀÏ·Î ÀÚµ¿À¸·Î »ý¼ºµÇµµ·Ï ¸¸µé¾ú´Ù.
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Ç¥ 4. ¿øÀ½°ú ÇÕ¼ºÀ½ÀÇ ºñ±³ Áö°¢ ½ÇÇè °á°ú
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______________________________________________________________
ÀÌ 200Ҍ400 200 2350Ҍ2650 300 3000Ҍ3400 400
¿ì 200Ҍ350 150 600Ҍ 800 200 2100Ҍ3100 1000
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¾î 500Ҍ700 200 1150Ҍ1350 200 2500Ҍ3300 800
¾Æ 800Ҍ900 100 1100Ҍ1550 450 2400Ҍ3200 800
______________________________________________________________
Æò±Õ 150 300 800
Ç¥ 4¿¡¼ º¸µíÀÌ °¢ ¸ðÀ½ÀÇ Á֯ļö ¹üÀ§´Â F1¿¡¼ F3·Î °¥¼ö·Ï ¼ö¿ë¹üÀ§°¡ ³Ð¾îÁ® °£´Ù. ¿¹¸¦ µé¾î, F1¿¡¼ÀÇ ºñ½ÁÇϰųª ¶È°°´Ù°í ÆÇ´ÜÇÏ´Â Á֯ļö ¹üÀ§ÀÇ Æò±ÕÀº 150 Hz Àε¥ ¹ÝÇØ, F2¿¡¼´Â ÀÌÀÇ µÎ ¹è¿¡ ÇØ´çÇÏ´Â ¹üÀ§¸¦ °®°í, F3¿¡¼´Â °ÅÀÇ ´Ù¼¸ ¹èÀÇ ³ÐÀº Á֯ļö ´ë¿ª¿¡¼ °°Àº ÆÇ´ÜÀ» Çϰí ÀÖÀ½À» ¾Ë ¼ö ÀÖ´Ù. ÀÌ·¯ÇÑ °á°ú´Â Áö°¢ÀÇ ¹üÀ§°¡ ÀúÁÖÆÄ¿¡¼ °íÁÖÆÄ·Î °¥¼ö·Ï ³Ð¾îÁø´Ù´Â Áö°¢ ½ÇÇè °á°ú¿Íµµ ÀÏÄ¡ÇÑ´Ù (¾ç º´°ï, 1993). µû¶ó¼, °¢ Æ÷¸ÕÆ®ÀÇ Á֯ļö¸¦ º¯ÇüÇÏ¿© Áö°¢½ÇÇèÀ» ÇÒ ¶§µµ ÀÌ·¯ÇÑ °á°ú¸¦ ¿°µÎ¿¡ µÎ°í ÇÊ¿äÀÌ»óÀ¸·Î ¼¼ºÎÀûÀÎ °£°ÝÀ¸·Î ³ª´ Çʿ䰡 ¾ø´Ù. Ç¥¿¡¼ ¸ðÀ½ [ÀÌ]ÀÇ F3 ¹üÀ§´Â 400 Hz·Î F2ÀÇ Á֯ļö°¡ ÀÌ¹Ì 2500 Hz±Ùó¿¡ À§Ä¡ÇØ ÀÖÀ¸¹Ç·Î Áö°¢ÀûÀ¸·Î ±× ¹üÀ§°¡ ÁÙ¾îÁ³±â ¶§¹®À̶ó°í ÇÒ ¼ö ÀÖ´Ù. ÀÌ´Â Theory of Dispersion (Lindblom, 1990) ¿¡¼ Á¦½ÃµÈ ¹Ù ÀÖ´Â ÇÑ ¾ð¾î³»¿¡¼´Â °¢ ¸ðÀ½ »çÀÌ¿¡ ÃæºÐÇÑ °£°ÝÀ» µÎ¾î ´ëÁ¶°¡ µÇµµ·Ï ¹èÄ¡ÇÑ´Ù´Â À̷аú ÀÏÄ¡ÇÑ´Ù. Lindblom(1990)Àº ¼¼°è ¿©·¯ ¾ð¾î¿¡ ³ªÅ¸³ª ÀÖ´Â ¸ðÀ½À» Á¶»çÇϸé¼, ¾ð¾î ¸¶´Ù ÀÏÁ¤ÇÑ ¼öÀÇ ¸ðÀ½ÀÌ ÀÖÀ» ¶§ ÀÌµé »çÀÌ¿¡´Â Áö°¢ÀûÀ¸·Î ÃæºÐÇÑ °Å¸®¸¦ À¯ÁöÇÒ ¼ö ÀÖµµ·Ï ¹èÄ¡µÈ´Ù´Â ÀÌ·ÐÀ» Á¦¾ÈÇß´Ù.
À̵é ÀڷḦ º¸´Ù ½Ã°¢ÀûÀ¸·Î ºñ±³ÇØ º¸±â À§Çؼ À§ÀÇ Ç¥¿¡ ³ªÅ¸³ª ÀÖ´Â °¢ ¸ðÀ½ÀÇ ½ÃÀۺκаú ³¡ºÎºÐÀÇ °ªÀÇ Æò±Õ°ªÀ» F2¸¦ Áß½ÉÀ¸·Î Á¤·ÄÇÑ µÚ À̸¦ ±×¸² 3°ú °°ÀÌ ³ªÅ¸³» º¸¾Ò´Ù. F2´Â ÇôÀÇ À̵¿À» ³ªÅ¸³»´Â Áß¿äÇÑ ´Ü¼Àε¥, Á֯ļö°¡ ³·À»¼ö·Ï ÈﳏðÀ½ÀÓÀ» ¾Ë ¼ö ÀÖ°í, ³ôÀ» ¼ö·Ï Àü¼³¸ðÀ½À¸·Î ³ªÅ¸³´Ù. ½ÇÁ¦ ±×¸² 4¿¡¼´Â ÈﳏðÀ½ÀÎ [¿ì, ¾î, ¿À]¿Í Àü¼³¸ðÀ½ÀÎ [¿¡, ÀÌ]ÀÇ ¼ø¼·Î ¹è¿µÇ¾ú´Ù. ¸ðÀ½ [¾Æ]´Â ¿ì¸®¸»¿¡¼´Â ¸ðÀ½»ï°¢µµÀÇ ²ÀÁö ºÎºÐ¿¡ ÇØ´çÇϱ⠶§¹®¿¡ Àü¼³¸ðÀ½°ú ÈﳏðÀ½ »çÀÌ¿¡ À§Ä¡ÇØ ÀÖÀ½À» ¾Ë ¼ö ÀÖ´Ù (Yang, 1992).
±×¸² 4. ³ìÀ½ÇÑ ÇÇÇèÀÚÀÇ ¿øÀ½°ú ÇÕ¼ºÀ½ÀÇ ºñ±³ Áö°¢ ½ÇÇè °á°ú¸¦
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4.2 ³²¿© ÇлýµéÀÇ Áö°¢½ÇÇè
´ÙÀ½À¸·Î´Â ûÃë ½ÇÇèÀڷḦ ¿µ¾îÀ½¼ºÇÐ °ú¸ñÀ» À̼öÇϰí ÀÖ´Â µ¿ÀÇ´ëÇб³ 3Çг⠳²¿© Çлý °¢°¢ 10¸í¿¡°Ô µé·ÁÁÖ¾î Áö°¢½ÇÇèÀ» ÇàÇß´Ù. À̵éÀº ÁÖ·Î ºÎ»ê °æ³² Áö¿ª Ãâ½ÅÀ¸·Î °æ»óµµ ¹æ¾ðÀ» »ç¿ëÇϰí ÀÖ´Ù. À̵éÀÇ Áö°¢ ½ÇÇèÀº Hypercard·Î ¸¸µç ¿øÀ½°ú °¡Àå °¡±î¿î ÇÕ¼ºÀ½°ú ÀÌ À½ÀÇ Æ÷¸ÕÆ®¸¦ ÀÏÁ¤ °£°ÝÀ¸·Î º¯È½ÃŲ À½À» 0.5ÃÊ °£°ÝÀ¸·Î µé·ÁÁÖ°í ºñ±³Çϵµ·Ï Çß´Ù. µÎ ºñ±³À½ »çÀÌ¿¡´Â 1ÃÊ °£°ÝÀ» µÎ¾î Á¶¿ëÇÑ °Àǽǿ¡¼ ¾çÁúÀÇ ³ìÀ½ Å×ÀÌÇÁ¿¡ ³ìÀ½ÇÏ¿© µé·Á ÁÖ¾ú´Ù. °¢ ÇÇÇèÀÚ´Â µÎ °³ÀÇ ÇÕ¼ºµÈ À½À» µè°í "°°´Ù" ¿Í "´Ù¸£´Ù"ÀÇ Ç¥½Ã °¡¿îµ¥ Çϳª¸¦ ¼±ÅÃÇÏ¿© ÁÖ¾îÁø ´ä¾ÈÁöÀÇ ÇØ´çºÎºÐ¿¡ µ¿±×¶ó¹Ì Ç¥½Ã¸¦ Çϵµ·Ï ÇÏ¿´´Ù. °¢ Æ÷¸ÕÆ® ¸¶´Ù ÇÇÇèÀÚ¿¡°Ô ¾î´À ºÎºÐÀÎÁö ½ÇÇèÀÚ°¡ È®ÀνÃÄÑ ÁÖ¾ú´Ù. ÃÑ 29 ¸íÀÇ ÀÀ´äÀÚ Áß ³²¿© 10¸í ºÐÀ» ÃÖÁ¾ ÀÚ·á·Î ¼³Á¤Çß´Ù. ¼³Á¤ ±âÁØÀº ´ëü·Î ºñ½ÁÇÑ Áö°¢¹üÀ§¸¦ º¸ÀÎ ÇÇÇèÀÚ¸¦ °ñ¶ú´Ù.
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¿ì 300Ҍ410 570Ҍ1100 2100Ҍ3080
¿À 510Ҍ630 700Ҍ990 2110Ҍ3060
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ÀÌ 260Ҍ420 2330Ҍ2830 3030Ҍ3400
Ç¥ 6. ¿©ÀÚ 10¸íÀÇ Áö°¢½ÇÇè °á°ú
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¿ì 300Ҍ390 560Ҍ990 2100Ҍ3000
¿À 500Ҍ730 640Ҍ930 2100Ҍ3060
¾î 500Ҍ660 1110Ҍ1470 2300Ҍ3400
¾Æ 720Ҍ950 1040Ҍ1490 2310Ҍ3190
¿¡ 470Ҍ820 1980Ҍ2490 2440Ҍ3390
ÀÌ 220Ҍ410 2290Ҍ2970 3000Ҍ3500
À̵éÀÇ ½ÃÀÛÁ¡°ú ³¡Á¡ÀÇ Æò±Õ°ªÀ» ³»¾î ¼¼ ²ÀÁöÁ¡À» ÀÌÀ¸¸é ±×¸² 5, ±×¸² 6°ú °°´Ù. ±×¸² 5´Â ³²ÀÚ 10¸íÀÇ Áö°¢ ½ÇÇè °á°ú¸¦ º¸À̰í ÀÖ°í, ±×¸² 6Àº ¿©ÀÚ 10¸íÀÇ Áö°¢ ½ÇÇè °á°ú¸¦ º¸À̰í ÀÖ´Ù.
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