DACÀÇ µðÁöÅÐÇÊÅÍ
ROON µðÁöÅÐ ÇÊÅÍ Àû¿ë
ÆÄÀÏÇ÷¹ÀÌ°¡ ÁÖ·ùÀθ¸Å DAC°¡ ±âº»ÀûÀ¸·Î ¾î¶² ¿ªÇÒÀ» ÇÏ´ÂÁö ¾Æ½Ã¸®¶ó »ý°¢µË´Ï´Ù. ÇÏÁö¸¸ ¸¹Àº »ç¿ëÀںеéÀÌ DAC¶ó´Â ¸íĪ ¶§¹®ÀÎÁö DAC¿¡ µé¾î°¡´Â DAC Chip¿¡ ´õ Å« °ü½ÉÀ» °®°í ÀÖ½À´Ï´Ù. ÇÏÁö¸¸, DAC °³¹ßÀÚµéÀÌ ÁÖÀåÇÏ´Â ¹Ù´Â ÀÌ¿Í ´Ù¸¨´Ï´Ù. ±×µéÀº °øÅëÀûÀ¸·Î DAC Ĩ¸¸ÅÀ̳ª ÄÁ¹öÅÍ Àü¿¡ µé¾î°¡´Â µðÁöÅÐ ±â¼úÀÌ Áß¿äÇÏ´Ù°í ÇÕ´Ï´Ù.
±×·¡¼ ¿À´ÃÀº 0,1·Î ÀÌ·ïÁø ¹«°áÇÒ °Å °°Àº µðÁöÅÐ ½ÅÈ£¿¡¼´Â ¾î¶² ÀÏÀÌ ÀϾ±æ·¡ °³¹ßÀÚµéÀº µðÁöÅÐ ±â¼ú¿¡ ¸ñ¸ÞÀÌ´ÂÁö ¾Ë¾Æº¸°íÀÚ ÇÕ´Ï´Ù.
¡ã ¿ø·¡ÀÇ Impulse ÆÄÇü°ú DAC¿¡¼ ±¸ÇöµÈ ÆÄÇü
ÇØ¿Ü ÀڷḦ º¸´Ùº¸¸é À§ ±×·¡ÇÁ¿Í ºñ½ÁÇÑ ÃøÁ¤ÀڷḦ ÇѹøÂë º¸¼ÌÀ» °Ì´Ï´Ù. »ó´ÜÀÇ ±×·¡ÇÁÆÄÇüÀº ¼ø°£ Impulse ÆÄÇüÀ¸·Î ¼öÁ÷ ÇüÅÂÀÇ ÆÄÇüÀÌÁö¸¸, Àü´Þ ¸ÅüÀÇ Æ¯¼º»ó ¿Ïº®ÇÑ ImpulseÀ» ±¸ÇöÇÏ´Â °ÍÀº ºÒ°¡´ÉÇϱ⠶§¹®¿¡ °á±¹ ¾Æ·¡ ±×·¡ÇÁ¿Í °°Àº ÇüÅ·ΠÃâ·ÂµË´Ï´Ù.
Impulse ÆÄÇüÀÌ ¿Ïº®ÇÏ°Ô ±¸ÇöµÈ´Ù¸é ÃÖ°íÀÇ µðÁöÅбâ¼úÀÌ°ÚÁö¸¸ ÀÌ°Ç »ç½Ç»ó ºÒ°¡´ÉÇÕ´Ï´Ù. ±×·¡¼ DACÀÇ °³¹ßÀÚµéÀº ÀÌ·¯ÇÑ ¹®Á¦¸¦ ±Øº¹Çϱâ À§ÇØ ÀÚ»çµé¸¸ÀÇ µ¶Æ¯ÇÑ µðÁöÅÐ ÇÁ·Î¼¼¼¸¦ °³¹ßÇϱ⠽ÃÀÛÇß½À´Ï´Ù.
´Ù¾çÇÑ ÇüÅÂÀÇ µðÁöÅÐ ÆÄÇü
¡ã Schiit Audio Yggdrasil D/A processor
¡ãBryston BDA-3 D/A processor
À§ ÀÚ·á´Â ÇØ¿Ü Stereopile¿¡¼ DAC¸¦ ÃøÁ¤ÇÑ Impulse Response·Î µÎ ȸ»ç°¡ ¿ÏÀüÈ÷ ´Ù¸¥ ¹æ½ÄÀ¸·Î ±¸ÇöÇÏ°í ÀÖÀ½À» È®ÀÎÇÒ ¼ö ÀÖ½À´Ï´Ù. Schiit Audio Yggdrasil´Â ÀüüÀûÀÎ µô·¹À̴ ªÁö¸¸, Pre-Ring(Àü¶³¸²)°ú Post-Ring(ÈĶ³¸²)ÀÌ ³ªÅ¸³ª ÀÖ°í Bryston BDA-3Àº µô·¹ÀÌ´Â ±æÁö¸¸ Pre-Ring(Àü¶³¸²)Àº ¾ø°í Post-Ring(ÈĶ³¸²)ÀÌ ¸¹½À´Ï´Ù.
¿Ö ÀÌ·± Â÷ÀÌ°¡ ¹ß»ýÇÒ±î¿ä?
- Schiit Audio Yggdrasil : Linear Phase Upsampling Filters
- Bryston BDA-3 : Minimum Phase Upsampling Filters
¿©±â¿¡´Â µÎ ȸ»çÀÇ Impulse Response¸¦ ó¸®ÇÏ´Â °Í¿¡ ´ëÇÑ »ý°¢ Â÷ÀÌ°¡ ÀÖ½À´Ï´Ù. Schiit Audio´Â RingingÀ» ÃÖ´ëÇÑ »¡¸® Á¦°ÅÇÏ´Â°Ô ÁÁ´Ù°í »ý°¢ÇÏ¿© Linear Phase Upsampling FiltersÀ¸·Î Á¦¾îÇß´Ù¸é, Bryston¿¡¼´Â Pre-RingingÀÌ Ã»°¨»ó ¾ÈÁÁÀº ¿µÇâÀ» ¹ÌÄ¡±â¿¡ Pre-RingingÀ» ¾ïÁ¦ÇÏ´Â Minimum Phase Upsampling Filters ¹æ½ÄÀ» Àû¿ëÇÏ¿´½À´Ï´Ù.
´Ü¼øÇÏ°Ô »ý°¢Çϸé Schiit Audioó·³ Impulse Response¸¦ ÃÖ´ëÇÑ ¾ïÁ¦ÇÏ´Â°Ô ÁÁ¾Æº¸ÀÌÁö¸¸, û°¨»ó ´À²¸Áö´Â °ÍÀº ´Ù¸¨´Ï´Ù. ¸¹Àº À½ÇâÇÐÀÚµéÀÌ ¿¬±¸ÇÑ °á°ú Àΰ£ÀÇ ±Í´Â Pre-RingingÀ» ½±°Ô °¨ÁöÇϸç, ÀÚ¿¬Çö»ó¿¡¼ ³ªÅ¸³ªÁö ¾Ê´Â Pre-Ringing Çö»óÀº ÀÌ·¯ÇÑ ¼Ò¸®¿¡ ÀûÀÀÇÏÁö ¸øÇÑ ÀϺο¡°Ô´Â °ÅºÎ°¨±îÁö ºÒ·¯ÀÏÀ¸Å²´Ù°í ÇÕ´Ï´Ù. ÇÏÁö¸¸ Å« ÆÄÀå ÈÄ ÀÏ¾î³ ÀÌÈÄ¿¡ ³ªÅ¸³ª´Â Post-RingÀº °¨ÁöÇÏÁö ¸øÇϸç ÀÚ¿¬½º·¯¿î ÇϿ︵Á¤µµ·Î ÀÎÁöÇÑ´Ù°í ÇÕ´Ï´Ù.
¡ã Bryston BDA-3´Â ±âÁ¸ Linear Phase Filters¿¡¼
Minimum Phase Filters·Î ¹Ù²Ù°í³ª¼
À½Áú ¹× À½»ö Æò°¡¿¡¼ ´õ ÁÁÀº Æò°¡¸¦ ¹Þ°í ÀÖ½À´Ï´Ù.
µðÁöÅÐÇÊÅÍ¿Í °ü·ÃÇÏ¿© ÇØ¿Ü¿¡¼ Èï¹Ì·Î¿î Å×½ºÆ®µµ ÁøÇàÇß½À´Ï´Ù.
Linear Phase Filters¿Í Minimum Phase Filters Áß
¾î¶² ÇÊÅ͸¦ »ç¶÷µéÀÌ ¼±È£Çϴ°¡?
Mandolin - ¾îÄí½ºÆ½ ¾Ç±â(Áú°¨)
- 55% Minimum Phase Upsampling Filters
- 35% Linear Phase Upsampling Filters
Grandpiano - ÇǾƳë(ÇØ»ó·Â)
- 55% Linear Phase Upsampling Filters
- 30% Minimum Phase Upsampling Filters
Sam mcclain ¡®give it up to love¡¯ - ³²¼ºº¸ÄÃ(À½¾Ç¼º & Áú°¨)
- 48% Minimum Phase Upsampling Filters
- 37% Linear Phase Upsampling Filters
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https://archimago.blogspot.kr/2015/07/the-linear-vs-minimum-phase-upsampling.html
¼±È£µµ¿¡¼ È®ÀÎÇÒ ¼ö ÀÖ´Ù½ÃÇÇ ÇǾƳë¿Í °°Àº ¹à°í Çػ󵵰¡ ÇÊ¿äÇÑ »ç¿îµå¿¡´Â Linear Phase Upsampling Filters°¡ Àß ¾î¿ï¸®°í ¾Ç±â³ª º¸Äà µîÀÇ Áú°¨À§ÁÖÀÇ ¿¬ÁÖ¿¡¼´Â Minimum Phase Upsampling Filters°¡ Àß ¾î¿ï¸³´Ï´Ù.
¡ã ROON¿¡¼ »ç¿ë°¡´ÉÇÑ DSP Engine
Sample Rate Conversion Filter
ROONÀÇ Conversion Filter
ÀÌ·¯ÇÑ µðÁöÅÐÇÊÅÍ ±â´ÉÀ» DACÀÇ ³»ÀåµÈ ÇÁ·Î¼¼¼°¡ ¾Æ´Ñ ±× Àü´Ü°è¿¡¼ 󸮰¡´ÉÇϵµ·Ï ¼ºñ½º¸¦ Á¦°øÇÏ´Â ¼ÒÇÁÆ®¿þ¾îµµ ÀÖ½À´Ï´Ù. ÃÖ±Ù Å« °¢±¤À» ¹Þ´Â ³×Æ®¿öÅ© ¼Ö·ç¼ÇÀÎ ROONÀÌ ´ëÇ¥ÀûÀ¸·Î DSP Engine ³»¿¡ Sample Rate Conversion Filter ±â´ÉÀ» µÎ¾î »ç¿ëÀÚ°¡ Á÷Á¢ µðÁöÅÐ ÇÊÅ͸¦ º¯°æÇÒ ¼ö ÀÖ½À´Ï´Ù.
ROON¿¡¼ Àû¿ëÇÏ´Â ÇÊÅÍ´Â DAC¿¡ µû¶ó È¿°ú°¡ ³ªÅ¸³ª´Â ÆøÀº ´Ù¸£Áö¸¸ ´ëü·Î ÃæºÐÈ÷ ÀÎÁöµÉ Á¤µµ·Î È¿°úÀûÀÔ´Ï´Ù. À½»öÀ̳ª ÃëÇâ¿¡ ¸ÂÃç ÇÊÅ͸¦ Àû¿ëÇÏ½Ã¸é º»Àο¡°Ô ¸Â´Â »ç¿îµå¸¦ ÃæºÐÈ÷ »ì¸± ¼ö ÀÖ½À´Ï´Ù.
ROON DSP¿¡¼ Áö¿øÇÏ´Â ÇÊÅÍÁ¾·ù
- Precise, Linear Phase
- Precise, Minimum Phase
- Smooth, Linear Phase
- Smooth, Minimum Phase
¡ã Precise, Linear Phase Àû¿ë ¿¹½Ã
¡ã Smooth, Linear Phase Àû¿ë ¿¹½Ã
¡ã Precise, Minimum Phase Àû¿ë ¿¹½Ã