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Ȩ Ȩ > ¿¬±¸¹®Çå > ±¹³» ³í¹®Áö > Çѱ¹ÀÎÅͳÝÁ¤º¸ÇÐȸ ³í¹®Áö

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Current Result Document :

ÇѱÛÁ¦¸ñ(Korean Title) IoT ¼¾¼­¸¦ ÀÌ¿ëÇÑ ±¹»ê RVÂ÷·® À½Çâ½Ã½ºÅÛÀÇ À½ÇâƯ¼º¿¡ °üÇÑ ºÐ¼®
¿µ¹®Á¦¸ñ(English Title) IoT Based Performance Measurement of Car Audio Systems in Korean Recreation Vehicles
ÀúÀÚ(Author) ¹ÚÇü¿ì   ÀÌ»ó¹Î   Hyung Woo Park   Sangmin Lee  
¿ø¹®¼ö·Ïó(Citation) VOL 18 NO. 01 PP. 0057 ~ 0064 (2017. 02)
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(Korean Abstract)
¿À´Ã³¯ ÀÚµ¿Â÷ Á¦Á¶È¸»çµéÀº Â÷·®ÀÇ ±â´É°ú ¼º´ÉÀ» Çâ»ó½ÃÅ°´Â ±â¼ú¿¡ ÁÖ¾ÈÀ» µÎ´Â °ÍÀº ±âº»ÀÌ°í, ½ÃÀ强ÀÇ ±Ø´ëÈ­ ¹× °í°´ ¸¸Á·µµ¸¦ ³ôÀ̱â À§ÇØ °íÇ°Áú ¿Àµð¿À ÀåÄ¡ ±¸Ãà¿¡µµ ÅõÀÚ¸¦ ¾Æ³¢Áö ¾Ê°í ÀÖ´Ù. ƯÈ÷ °í°¡ÀÇ Â÷·®Àϼö·Ï ÀÏ¹Ý Ã»À½½Ç¿¡¼­ ´À³¥ ¼ö ÀÖ´Â ³ôÀº ¼öÁØÀÇ À½Ç⠽ü³À» °®Ãß·Á°í ÇÑ´Ù. ÀÌ·¯ÇÑ Çö»óÀº Â÷·®ÀÇ ¸ðµ¨¿¡ ±¹ÇѵÇÁö ¾Ê´Â´Ù. ¿äÁò ÀαⰡ ¸¹Àº RVÂ÷·®¿¡¼­µµ °í°´µéÀÌ ¼öÁØ ³ôÀº À½ÁúÀ» ¸¸³£ÇÒ ¼ö ÀÖµµ·Ï Á¦Á¶»çµéÀº °íÇ°ÁúÀÇ À½Ç⠽ýºÅÛÀ» žÀçÇÏ´Â ¿òÁ÷ÀÓÀ» ¹ß°ßÇÒ ¼ö ÀÖ´Ù. ±×·¯³ª °íÇ°Áú À½Ç⠽ýºÅÛÀº ´ëºÎºÐ °í°¡ÀÇ ºÎÇ°À» ÇÊ¿ä·Î ÇÏ´Â °ü°è·Î, ÀÌ´Â ÇÊ¿¬ÀûÀ¸·Î ÀÚµ¿Â÷ ÆǸŰ¡ÀÇ Áõ´ë¸¦ ¾ß±âÇÑ´Ù. µû¶ó¼­ ºñ±³Àû Àú°¡ÀÇ À½Çâ½Ã½ºÅÛÀ» ÀÌ¿ëÇÏ´õ¶óµµ °í°´ÀÌ ¸¸Á·ÇØÇÒ ¼ö ÀÖ´Â À½ÁúÀ» ±¸ÇöÇÏ´Â Â÷·®³» À½Ç⠽ýºÅÛ ±¸ÃàÀÇ Çʿ伺ÀÌ ´ëµÎµÇ¾ú´Ù. Áï, Àΰ£ÀÇ Ã»°¢Àû Ư¼ºÀÌ °í·ÁµÈ °´°üÀûÀÎ ÀÚµ¿Â÷ '¿Àµð¿À½Ã½ºÅÛ¼º´ÉÃøÁ¤ÁöÇ¥' ¹× Æ©´× ¹æ¹ý¿¡ °üÇÑ ¿¬±¸°¡ ÇÊ¿äÇÏ´Ù. º» ³í¹®¿¡¼­´Â RVÂ÷·®ÀÇ ¿Àµð¿À ½Ã½ºÅÛÀÇ ¼º´ÉÀ» Æò°¡ÇÏ°í °³¼±Çϱâ À§ÇØ Àΰ£ÀÇ Ã»°¢Àû Ư¼ºÀÌ °í·ÁµÈ ¿Àµð¿À ½ÅÈ£ÀÇ Æ¯¼ºÀ» »ç¹°ÀÎÅͳÝ(IoT) ¼¾¼­¸¦ ÀÌ¿ëÇØ ÃøÁ¤ÇÏ°í ºÐ¼®ÇÏ¿´´Ù. ºÐ¼® °á°ú »ç¶÷¿¡°Ô ¹Î°¨ÇÑ ´ë¿ªÀÇ ³ôÀº ¿¡³ÊÁöÁö°¡ ÀÖ´Â Á¡Àº ÀÎÁö¿¡ ´ëÇÑ ºñÁßÀ» ³ôÀÏ ¼ö ÀÖÀ¸³ª, ÇØ´ç ´ë¿ª¸¸ °­Á¶µÈ °æ¿ì¿¡´Â ¼º°¡½ÉÀ» À¯¹ßÇÒ ¼ö ÀÖ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ±×¸®°í ¿Ö°îµÈ ÁÖÆļö Æòźµµ´Â À½Áú¿¡ ³ª»Û ¿µÇâÀ» ÁÙ ¼ö ÀÖ¾î ÁÖÆļö ÀÀ´äÀÇ Æòźȭ¸¦ ÇÊ¿ä·Î ÇÑ´Ù´Â Á¡À» ¹ß°ßÇÒ ¼ö ÀÖ¾ú´Ù.
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(English Abstract)
Recent automobile manufacturing technology has improved not only the function and performance of cars, but also the audio systems in cars so as to increase their marketability. Automobile manufacturers always have the option of simply installing an expensive acoustic system to help customers enjoy a high-level sound quality car audio system. However, this also tends to increase the MSRP (Manufacturer's Suggested Retail Price) of the car. Therefore, it is desirable, where possible, to enhance the sound quality of plainer, less expensive audio devices to help customers feel as if they have a high-quality and expensive audio device in their car. In order to make this happen, the manufacturer must develop an optimal interior environment and audio system at a relatively lower cost. To this end, features of the car audio system can be enhanced by analyzing audio frequency response and using performance metrics to figure out the characteristics of the human auditory system. This study analyzed the sound field of Korean Recreation Vehicles (RVs) using the Internet of Things (IoT) sensor for the measurement of car audio system. As a result, high energy of sensitive bandwidth, one of the human auditory characteristics often makes annoying sound. This study also found that increasing the frequency response flatness is required by taking human auditory field into account when designing the car audio system for the future.
Å°¿öµå(Keyword) û°¢Æ¯¼º   À½Àå   Â÷·®¿Àµð¿À   û·Â¼Õ½Ç   IoT¼¾¼­   Characteristics of hearing   Sound field   Vehicle Audio   Hearing loss   IoT sensor  
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