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Á¦¸ñ: Aurora SynchroLock (³»ÀåÇü Ŭ·°) VS Big Ben (¿ÜÀåÇü Ŭ·°) µî·ÏÀÏ: 2007-08-17 19:56

ÀÌ ±ÛÀº Lynx StudioÀÇ Æ÷·ë¿¡¼­ ³íÀïµÇ°í ÀÖ´Â AururaÀÇ ³»ÀåµÈ SynchroLock°ú Big BenÀÇ ºñ±³¿¡ ´ëÇØ¼­ Lynx StudioÀÇ Ä¡ÇÁ ¿£Áö´Ï¾îÀÎ Bob BaumanÀÇ ½ÇÇè ³»¿ëÀ» ¼³¸íÇÑ °ÍÀÔ´Ï´Ù.

Big BenÀ» AuroraÀÇ ¿ÜÀåÇü Ŭ·°À¸·Î »ç¿ëÇÏ´Â ÀÌÁ¡¿¡ ´ëÇØ ÁøÇàÁßÀÎ Åä·ÐÀº ¸Å¿ì Èï¹Ì·Ó½À´Ï´Ù. ³ª´Â ¸î °¡Áö ÃøÁ¤¹æ¹ýÀ» º¸¿©ÁÖ´Â °ÍÀÌ µµ¿òÀÌ µÉ °ÍÀ̶ó´Â »ý°¢¿¡, ¾î¶² Ŭ¶ôÀ» »ç¿ëÇÏ´Â °ÍÀÌ ¾Æ³¯·Î±×¿¡¼­ µðÁöÅÐ º¯È¯ °úÁ¤ÀÇ Ä÷·¯Æ¼¿¡ ¿µÇâÀ» ¹ÌÄ¡´ÂÁö º¸±â À§ÇØ Audio Precision System 2 Cascade(¿Àµð¿À ½Ã±×³Î ÃøÁ¤Àåºñ)À» »ç¿ëÇϱâ·Î Çß½À´Ï´Ù.
´ÙÀ½Àº Aurora8À» 48kHz »ùÇ÷¹ÀÌÆ®¿Í +4 trim¿¡¼­ ÀÛµ¿Çϵµ·Ï ÇØ¼­ AD ½Ã±×³Î °æ·Î¸¦ ÃøÁ¤ÇÑ °ÍÀÔ´Ï´Ù. ½Ã±×³ÎÀº ¾Æ³¯·Î±× ÀÎDz 1°ú 2¿¡ Àû¿ëÇß½À´Ï´Ù. ¸ðµç °æ¿ì¿¡ ÀÖ¾î ¸Ç À­ºÎºÐÀº SynchroLock(Aurora¿¡ ³»ÀåµÈ Clock)ÀÌ ¿ÀÇÁµÈ ¿ÜÀåÇü Ŭ·°À¸·Î Big BenÀ» »ç¿ëÇÑ ¹ÝÀÀÀ» Ç¥½ÃÇØÁÝ´Ï´Ù. ¾Æ·§ºÎºÐÀº AuroraÀÇ ³»ÀåµÈ Ŭ·° »ç¿ëÀ» º¸¿©ÁÖ°í ÀÖ½À´Ï´Ù.




1) 20-20kHz ¹üÀ§¿¡¼­ +14dBu ½ÎÀÎ ¿þÀ̺ê ÀÎDzÀÇ THD+N
Ç¥´Â Big Ben À» »ç¿ë ÇßÀ» ¶§ 1kHz ÀÌ»ó ½Ã±×³ÎÀÇ µð½ºÅä¼ÇÀÌ ÇöÀúÇÏ°Ô Áõ°¡ÇÏ´Â °ÍÀ» º¸¿©ÁÖ°í ÀÖ½À´Ï´Ù. 10khz¿¡¼­ 8dB Áõ°¡´Â, µð½ºÅä¼ÇÀÌ 2.5¹è ´õ ¸¹Àº ¿äÀΰú °°´Ù°í º¼ ¼ö ÀÖ½À´Ï´Ù. ÇÏÀÌ ÇÁ¸®Äö½ÃÀÇ µð½ºÅä¼Ç Áõ°¡´Â Ŭ·° ÁöÅÍ Áõ°¡ÀÇ ÀüÇüÀûÀÎ ¸ð½ÀÀÔ´Ï´Ù.



2) FFT Frequency Domain plot of a 1kHz , +14dBu sine wave, log frequency scale:
ÀÌ Ç¥´Â Ŭ·° ¼Ò½º·Î Big BenÀ» »ç¿ëÇßÀ» ¶§, ±âÁØÀÌ µÇ´Â 1kHz ½Ã±×³Î ÁÖº¯ÀÇ Ãß°¡µÇ´Â »çÀÌµå ¹êµå artifact¿Í 100Hz¿¡¼­ 10dB ³ëÀÌÁî Ç÷ξîÀÇ »ó½ÂÀ» º¸¿©ÁÖ°í ÀÖ½À´Ï´Ù. À̰ÍÀº ½ÎÀÎ ¿þÀ̺ê ÁöÅÍ¿Í °ü·ÃÇÏ¿©, ¿ÍÀÌµå ¹êµå ³ëÀÌÁî ÁöÅÍÀÇ ÀüÇüÀûÀÎ ¸ð½ÀÀÔ´Ï´Ù.
³ëÆ®: 2kHz¿Í 3kHz´ëÀÇ ÇÇÅ©´Â ÀÏÁ¤ºÎºÐ ½Ã±×³Î Á¦³Ê·¹ÀÌÅÍ¿¡¼­ÀÇ µð½ºÅä¼Ç¿¡ ±âÀÎÇÕ´Ï´Ù. ¶ÇÇÑ, ÀÌ Ç¥´Â ¾ó¸¶°£ ÆÄÀÏ ÄÁ¹öÆÃ¿¡ ±âÀεǴ µð½ºÅä¼ÇÀ» º¸¿©ÁÖ°í ÀÖ½À´Ï´Ù.-3kHz ÇÇÅ©´Â ¿øº»¿¡¼­´Â ¾Æ´ÏÁö¸¸ ¿©±â¼­´Â ¾à°£ ¹þ¾î³µ½À´Ï´Ù.



3) FFT Frequency Domain plot of a 10kHz , +14dBu sine wave, linear frequency scale:
ÀÌ ÃøÁ¤¹æ¹ýÀº 30dB±îÁöÀÇ Big BenÀ¸·Î Ŭ·°À» »ç¿ëÇßÀ» ¶§ ÇÏÀÌ ÇÁ¸®Äö½Ã¸¦ À§ÇØ Áß¿äÇÑ ³ëÀÌÁî¿Í »çÀ̵å¹êµå artifacts¸¦ ¼³¸íÇϰí ÀÖ½À´Ï´Ù.
¸»¾¸µå¸°´ë·Î, Àú´Â ÀÌ Åä·ÐÀÌ ¸Å¿ì Èï¹Ì·Ó½À´Ï´Ù. Big BenÀ» SynchroLock off·Î »ç¿ëÇϰí ÀÖ´Â ºÐµéÀº ºÐ¸í ÀÌ·± ÃøÁ¤¹æ¹ý¿¡¼­ ¿¹½ÃµÈ °Í°ú °°Àº ³ëÀÌÁî¿Í µð½ºÅä¼ÇÀÌ Áõ°¡µÇ´Â °á°ú¿¡ ±âÀÎÇÏ´Â ¡°coloration¡± Ãß°¡¸¦ ¼±È£ÇÒ °ÍÀÔ´Ï´Ù. ÀÌ·± ÁÖ°üÀûÀÎ ´À³¦¸¸À¸·Î ³íÀïÇÏ°í ½ÍÁö´Â ¾Ê½À´Ï´Ù¸¸, °¡´ÉÇÑ ÇÑ Á¤¹ÐÇÏ°Ô ¾Æ³¯·Î±× ½Ã±×³ÎÀÇ µðÁöÅРǥÇöÀ» ĸÃÄÇÏ´Â °ÍÀ̳ª, ÃÖ´ëÇÑ ÁÖ°üÀûÀÎ Ä÷¯¸¦ ¹èÁ¦ÇÏ´Â °ÍÀÌ ¸ñÀûÀ̶ó¸é, Àú´Â AuroraÀÇ ³»ÀåµÈ Ŭ·°À» »ç¿ëÇÏ´Â °ÍÀÌ ÈǸ¢ÇÑ ¼±ÅÃÀ̶ó°í ¸»ÇÏ°í ½Í½À´Ï´Ù.

Bob Bauman
Lynx Studio Technology
Co-founder, Chief Hardware Engineer


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