{"id":4327,"date":"2026-08-18T14:37:55","date_gmt":"2026-08-18T06:37:55","guid":{"rendered":"https:\/\/ecmicrophones.com\/?p=4327"},"modified":"2026-08-18T14:43:37","modified_gmt":"2026-08-18T06:43:37","slug":"microphone-frequency-response-sensitivity-standards","status":"publish","type":"post","link":"https:\/\/ecmicrophones.com\/ko\/microphone-frequency-response-sensitivity-standards\/","title":{"rendered":"\ub9c8\uc774\ud06c\uc758 \uc8fc\ud30c\uc218 \uc751\ub2f5 \ubc0f \uac10\ub3c4 \ud45c\uc900 \uc774\ud574\ud558\uae30"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"925\" height=\"540\" src=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2026\/08\/engineer-testing-microphone-bk-equipment.png\" alt=\"B&amp;K \uc74c\ud5a5 \uce21\uc815 \uc7a5\ube44\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub9c8\uc774\ud06c\uc758 \uc8fc\ud30c\uc218 \uc751\ub2f5\uc744 \ud14c\uc2a4\ud2b8\ud558\ub294 \uc5d4\uc9c0\ub2c8\uc5b4\" class=\"wp-image-4328\" srcset=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2026\/08\/engineer-testing-microphone-bk-equipment.png 925w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2026\/08\/engineer-testing-microphone-bk-equipment-300x175.png 300w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2026\/08\/engineer-testing-microphone-bk-equipment-768x448.png 768w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2026\/08\/engineer-testing-microphone-bk-equipment-18x12.png 18w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2026\/08\/engineer-testing-microphone-bk-equipment-600x350.png 600w\" sizes=\"auto, (max-width: 925px) 100vw, 925px\" \/><figcaption class=\"wp-element-caption\"><em>ECMIC \uc2e4\ud5d8\uc2e4\uc5d0\uc11c\uc758 \ub9c8\uc774\ud06c \ud14c\uc2a4\ud2b8<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><div>\ubaa9\ucc28<\/div><nav><ul><li><a href=\"#1-why-does-the-b-k-frequency-response-curve-start-at-50-hz\">1. B&amp;K \uc8fc\ud30c\uc218 \uc751\ub2f5 \uace1\uc120\uc774 \uc65c 50Hz\uc5d0\uc11c \uc2dc\uc791\ud558\ub098\uc694?<\/a><ul><li><a href=\"#1-1-production-testing-and-laboratory-testing-have-different-purposes\">1.1 \uc0dd\uc0b0 \uc2dc\ud5d8\uacfc \uc2e4\ud5d8\uc2e4 \uc2dc\ud5d8\uc740 \ubaa9\uc801\uc774 \ub2e4\ub974\ub2e4<\/a><\/li><li><a href=\"#1-2-what-does-a-flat-50-100-hz-response-tell-us\">1.2 50\u2013100Hz \ub300\uc5ed\uc5d0\uc11c \ud3c9\ud0c4\ud55c \uc8fc\ud30c\uc218 \uc751\ub2f5\uc740 \ubb34\uc5c7\uc744 \uc758\ubbf8\ud558\ub294\uac00?<\/a><\/li><\/ul><\/li><li><a href=\"#2-why-does-one-microphone-use-36-d-b-while-another-uses-56-d-b\">2. \uc65c \ud55c \ub9c8\uc774\ud06c\ub294 -36dB\ub97c \uc0ac\uc6a9\ud558\uace0 \ub2e4\ub978 \ub9c8\uc774\ud06c\ub294 -56dB\ub97c \uc0ac\uc6a9\ud558\ub294\uac00?<\/a><ul><li><a href=\"#2-1-two-reference-systems-can-appear-in-the-market\">2.1 \uc2dc\uc7a5\uc5d0\ub294 \ub450 \uac00\uc9c0 \uae30\uc900 \uccb4\uacc4\uac00 \ub098\ud0c0\ub0a0 \uc218 \uc788\ub2e4<\/a><\/li><li><a href=\"#2-2-the-conversion-between-pa-and-\u03bcbar\">2.2 Pa\uc640 \u03bcbar \uac04\uc758 \ud658\uc0b0<\/a><\/li><li><a href=\"#2-3-why-can-the-older-\u03bcbar-reference-still-be-found\">2.3 \uc65c \uad6c\ud615 \u03bcbar \uae30\uc900 \ub2e8\uc704\uac00 \uc5ec\uc804\ud788 \uc0ac\uc6a9\ub418\uace0 \uc788\ub294\uac00?<\/a><\/li><\/ul><\/li><li><a href=\"#3-always-check-the-reference-before-comparing-microphone-specifications\">3. \ub9c8\uc774\ud06c \uc0ac\uc591\uc744 \ube44\uad50\ud558\uae30 \uc804\uc5d0 \ud56d\uc0c1 \ucc38\uc870 \uc790\ub8cc\ub97c \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/a><\/li><li><a href=\"#4-what-this-means-for-oem-and-odm-projects\">4. \uc774\uac83\uc774 OEM \ubc0f ODM \ud504\ub85c\uc81d\ud2b8\uc5d0 \ubbf8\uce58\ub294 \uc758\ubbf8<\/a><\/li><li><a href=\"#conclusion\">\uacb0\ub860<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\uc11c\ub85c \ub2e4\ub978 \uacf5\uae09\uc5c5\uccb4\uc758 \ub9c8\uc774\ud06c \uc0ac\uc591\uc744 \ube44\uad50\ud574 \ubcf4\uba74, \ud63c\ub780\uc2a4\ub7ec\uc6b8 \uc218 \uc788\ub294 \ub450 \uac00\uc9c0 \uc810\uc744 \ubc1c\uacac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uba3c\uc800, \ub9c8\uc774\ud06c\uc758 \uc8fc\ud30c\uc218 \uc751\ub2f5 \ubc94\uc704\uac00 20Hz\u201320kHz\ub85c \uba85\uc2dc\ub418\uc5b4 \uc788\uc744 \uc218 \uc788\uc9c0\ub9cc, \uc2e4\uc81c \uc0dd\uc0b0 \ud14c\uc2a4\ud2b8 \uace1\uc120\uc740 50Hz\ubd80\ud130 \uc2dc\uc791\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub807\ub2e4\uba74 \uc774 \ub9c8\uc774\ud06c\ub294 50Hz \ubbf8\ub9cc\uc758 \uc8fc\ud30c\uc218\uc5d0\ub294 \uc751\ub2f5\ud558\uc9c0 \uc54a\ub294\ub2e4\ub294 \ub73b\uc77c\uae4c\uc694?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub458\uc9f8, \ud55c \uacf5\uae09\uc5c5\uccb4\ub294 \uac10\ub3c4\ub97c -36dB\ub85c \uba85\uc2dc\ud558\ub294 \ubc18\uba74, \ub2e4\ub978 \uacf5\uae09\uc5c5\uccb4\ub294 -56dB\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. 20dB\uc758 \ucc28\uc774\uac00 \ud55c \ub9c8\uc774\ud06c\uc758 \uac10\ub3c4\uac00 \ud6e8\uc52c \ub354 \ub192\ub2e4\ub294 \uac83\uc744 \uc758\ubbf8\ud560\uae4c\uc694?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub450 \uacbd\uc6b0 \ubaa8\ub450, \ucc28\uc774\ub294 \ub300\uac1c \ub9c8\uc774\ud06c\ub97c \ud14c\uc2a4\ud2b8\ud558\ub294 \ubc29\uc2dd\uacfc \uc0ac\uc591\uc744 \ud45c\uae30\ud558\ub294 \ubc29\uc2dd\uc5d0\uc11c \ube44\ub86f\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc138\ubd80 \uc0ac\ud56d\uc744 \uc774\ud574\ud558\uba74 \ub9c8\uc774\ud06c \uc0ac\uc591\uc744 \uc62c\ubc14\ub974\uac8c \ube44\uad50\ud560 \uc218 \uc788\uc744 \ubfd0\ub9cc \uc544\ub2c8\ub77c, OEM \ubc0f ODM \ud504\ub85c\uc81d\ud2b8 \uc9c4\ud589 \uc911 \ubd88\ud544\uc694\ud55c \ud63c\ub780\uc744 \ud53c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"1-why-does-the-b-k-frequency-response-curve-start-at-50-hz\" class=\"wp-block-heading\">1. B&amp;K \uc8fc\ud30c\uc218 \uc751\ub2f5 \uace1\uc120\uc774 \uc65c 50Hz\uc5d0\uc11c \uc2dc\uc791\ud558\ub098\uc694?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9ce\uc740 ECMIC \uc804\ubc29\ud5a5\uc131 ECM\uc740 \ube44\uad50\uc801 \ud3c9\ud0c4\ud558\uace0 \ub113\uc740 \uc8fc\ud30c\uc218 \uc751\ub2f5\uc744 \uac16\ub3c4\ub85d \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc81c\ud488\uc758 \uc0ac\uc591\uc740 20Hz\u201320kHz\uc640 \uac19\uc740 \uc8fc\ud30c\uc218 \ubc94\uc704\ub97c \ud3ec\ud568\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud558\uc9c0\ub9cc \ub179\uc74c \uc8fc\ud30c\uc218 \uc751\ub2f5 \ubcf4\uace0\uc11c\ub97c \uc0b4\ud3b4\ubcf4\uba74, \uace1\uc120\uc774 20Hz\uac00 \uc544\ub2cc 50Hz\uc5d0\uc11c \uc2dc\uc791\ub418\ub294 \uac83\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub807\ub2e4\uace0 \ud574\uc11c \ub9c8\uc774\ud06c\uac00 50Hz \uc774\ud558\uc5d0\uc11c\ub294 \ubc18\uc751\ud558\uc9c0 \uc54a\ub294\ub2e4\ub294 \ub73b\uc740 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 id=\"1-1-production-testing-and-laboratory-testing-have-different-purposes\" class=\"wp-block-heading\">1.1 \uc0dd\uc0b0 \uc2dc\ud5d8\uacfc \uc2e4\ud5d8\uc2e4 \uc2dc\ud5d8\uc740 \ubaa9\uc801\uc774 \ub2e4\ub974\ub2e4<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">ECMIC\ub294 \ub9c8\uc774\ud06c \uc131\ub2a5 \ud14c\uc2a4\ud2b8\ub97c \uc704\ud574 \uc804\ubb38\uc801\uc778 B&amp;K(Br\u00fcel &amp; Kj\u00e6r) \uc74c\ud5a5 \ud14c\uc2a4\ud2b8 \uc2dc\uc2a4\ud15c\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub300\ub7c9 \uc0dd\uc0b0 \uacfc\uc815\uc5d0\uc11c \uc2dc\ud5d8 \uc124\ube44\ub294 \uc548\uc815\uc801\uc774\uace0 \uc7ac\ud604\uc131\uc774 \ub192\uc73c\uba70 \ud6a8\uc728\uc801\uc778 \uce21\uc815\uc774 \uac00\ub2a5\ud558\ub3c4\ub85d \ucd5c\uc801\ud654\ub429\ub2c8\ub2e4. \uc800\uc8fc\ud30c \uce21\uc815\uc740 \uae30\uacc4\uc801 \uc9c4\ub3d9, \uc7a5\ube44 \uc18c\uc74c, \ud658\uae30 \uc2dc\uc2a4\ud15c \ubc0f \uae30\ud0c0 \ud658\uacbd\uc801 \uc694\uc778\uc758 \uc601\ud5a5\uc744 \ub354 \uc27d\uac8c \ubc1b\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \uc774\uc720\ub85c, \uc77c\uc0c1\uc801\uc778 \uc0dd\uc0b0 \ud14c\uc2a4\ud2b8\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uc8fc\ud30c\uc218 \ubc94\uc704\ub294 50Hz\ubd80\ud130 \uc2dc\uc791\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc0dd\uc0b0 \ud14c\uc2a4\ud2b8 \ubc94\uc704\ub294 \ub9c8\uc774\ud06c \uc790\uccb4\uc758 \uc808\ub300\uc801\uc778 \uc8fc\ud30c\uc218 \uc751\ub2f5 \ud55c\uacc4\ub85c \ud574\uc11d\ub418\uc5b4\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 id=\"1-2-what-does-a-flat-50-100-hz-response-tell-us\" class=\"wp-block-heading\">1.2 50\u2013100Hz \ub300\uc5ed\uc5d0\uc11c \ud3c9\ud0c4\ud55c \uc8fc\ud30c\uc218 \uc751\ub2f5\uc740 \ubb34\uc5c7\uc744 \uc758\ubbf8\ud558\ub294\uac00?<\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"397\" height=\"284\" src=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/03\/typical-frequency-response_ecm-b5820al36-522.png\" alt=\"50Hz\uc5d0\uc11c 20kHz\uae4c\uc9c0 \ud3c9\ud0c4\ud55c \uc751\ub2f5 \ud2b9\uc131\uc744 \ubcf4\uc774\ub294 ECMIC \uc804\ubc29\ud5a5\uc131 ECM\uc758 \uc804\ud615\uc801\uc778 \uc8fc\ud30c\uc218 \uc751\ub2f5 \uace1\uc120\" class=\"wp-image-268\" srcset=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/03\/typical-frequency-response_ecm-b5820al36-522.png 397w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/03\/typical-frequency-response_ecm-b5820al36-522-300x215.png 300w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/03\/typical-frequency-response_ecm-b5820al36-522-18x12.png 18w\" sizes=\"auto, (max-width: 397px) 100vw, 397px\" \/><figcaption class=\"wp-element-caption\"><em>\ub300\ud45c\uc801\uc778 \uc8fc\ud30c\uc218 \uc751\ub2f5 \uace1\uc120 (50Hz\u201320kHz)<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">\ube44\uad50\uc801 \ud3c9\ud0c4\ud55c \uc8fc\ud30c\uc218 \uc751\ub2f5\uc744 \uac16\ub3c4\ub85d \uc124\uacc4\ub41c \ubb34\uc9c0\ud5a5\uc131 ECM\uc758 \uacbd\uc6b0, \uc800\uc8fc\ud30c \uc751\ub2f5\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ud2b9\uc815 \uc8fc\ud30c\uc218\uc5d0\uc11c \uac11\uc791\uc2a4\ub7fd\uac8c \ub04a\uc5b4\uc9c0\ub294 \uac83\uc774 \uc544\ub2c8\ub77c \uc810\uc9c4\uc801\uc73c\ub85c \ubcc0\ud654\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ECMIC\uc758 \uc624\ub79c \uc0dd\uc0b0 \ubc0f \uc74c\ud5a5 \ud14c\uc2a4\ud2b8 \uacbd\ud5d8\uc744 \ubc14\ud0d5\uc73c\ub85c \ubcfc \ub54c, \uc751\ub2f5 \uace1\uc120\uc774 \uc57d 50Hz\uc5d0\uc11c 100Hz \uc0ac\uc774\uc5d0\uc11c \uc548\uc815\uc801\uc774\uace0 \ud3c9\ud0c4\ud558\uac8c \uc720\uc9c0\ub420 \uacbd\uc6b0, \uc774\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ub9c8\uc774\ud06c\uc758 \uc800\uc8fc\ud30c \uc751\ub2f5\uc774 \uc774 \uc8fc\ud30c\uc218 \ub300\uc5ed\ubcf4\ub2e4 \ud6e8\uc52c \uc544\ub798\uae4c\uc9c0 \ud655\uc7a5\ub428\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2e4\uc81c \uc81c\uc791 \uacbd\ud5d8\uc5d0 \ub530\ub974\uba74, \uc774\ub7ec\ud55c \uc8fc\ud30c\uc218 \uc751\ub2f5 \ud2b9\uc131\uc744 \uac00\uc9c4 \ub9c8\uc774\ud06c\ub294 \ub300\uac1c 20\u201350Hz \ub300\uc5ed\uc5d0\uc11c\ub3c4 \uc548\uc815\uc801\uc778 \uc751\ub2f5 \ud2b9\uc131\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub294 \uc624\ub79c \uc0dd\uc0b0 \uacbd\ud5d8\uc744 \ubc14\ud0d5\uc73c\ub85c \ud55c \uacf5\ud559\uc801 \ud310\ub2e8\uc785\ub2c8\ub2e4. \uc774\ub97c \ubaa8\ub4e0 \uc8fc\ud30c\uc218 \uc9c0\uc810\uc5d0\uc11c \uc9c1\uc811 \uce21\uc815\ud558\ub294 \uac83\uc744 \ub300\uccb4\ud558\ub294 \uac83\uc73c\ub85c \ud574\uc11d\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"2-why-does-one-microphone-use-36-d-b-while-another-uses-56-d-b\" class=\"wp-block-heading\">2. \uc65c \ud55c \ub9c8\uc774\ud06c\ub294 -36dB\ub97c \uc0ac\uc6a9\ud558\uace0 \ub2e4\ub978 \ub9c8\uc774\ud06c\ub294 -56dB\ub97c \uc0ac\uc6a9\ud558\ub294\uac00?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub610 \ub2e4\ub978 \ud754\ud55c \ud63c\ub780\uc758 \uc6d0\uc778\uc740 \ub9c8\uc774\ud06c\uc758 \uac10\ub3c4\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc11c\ub85c \ub2e4\ub978 \uc81c\uc870\uc0ac\uc758 \uc0ac\uc591\uc744 \ube44\uad50\ud560 \ub54c -36dB, -44dB, -54dB, -56dB\uc640 \uac19\uc740 \uc218\uce58\ub97c \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc218\uce58\ub294 \uac10\ub3c4 \uc0ac\uc591\uc5d0 \uc0ac\uc6a9\ub41c \uae30\uc900 \uc555\ub825\uc744 \uba3c\uc800 \ud655\uc778\ud558\uc9c0 \uc54a\ub294 \ud55c \uc9c1\uc811 \ube44\uad50\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 id=\"2-1-two-reference-systems-can-appear-in-the-market\" class=\"wp-block-heading\">2.1 \uc2dc\uc7a5\uc5d0\ub294 \ub450 \uac00\uc9c0 \uae30\uc900 \uccb4\uacc4\uac00 \ub098\ud0c0\ub0a0 \uc218 \uc788\ub2e4<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 \ud604\ub300\uc2dd \ub9c8\uc774\ud06c \uc0ac\uc591\uc740 \uac10\ub3c4\ub97c 1V\/Pa\ub97c \uae30\uc900\uc73c\ub85c \ud45c\uae30\ud569\ub2c8\ub2e4. \uc77c\ubd80 \uad6c\ud615 \uc0ac\uc591\uc758 \uacbd\uc6b0 1V\/\u03bcbar\ub97c \uae30\uc900\uc73c\ub85c \uc0bc\uae30\ub3c4 \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ud604\ub300\uc5d0\uc11c \ud754\ud788 \uc4f0\uc774\ub294 \uc608\uc2dc:<\/strong>\u00a01V\/Pa \uae30\uc900 dB<\/li>\n\n\n\n<li><strong>\uc804\ud1b5\uc801\uc778 \ud45c\uae30\ubc95:<\/strong>\u00a01V\/\u03bcbar \uae30\uc900 dB<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ub450 \uac12\uc758 \ucc28\uc774\ub294 \uae30\uc900 \uc555\ub825\uc5d0\uc11c \ube44\ub86f\ub41c \uac83\uc774\uc9c0, \ub9c8\uc774\ud06c\uc758 \uc2e4\uc81c \ucd9c\ub825\uc5d0\uc11c \uac11\uc791\uc2a4\ub7fd\uac8c 20dB\uc758 \ucc28\uc774\uac00 \ub09c \ub370\uc11c \ube44\ub86f\ub41c \uac83\uc774 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 id=\"2-2-the-conversion-between-pa-and-\u03bcbar\" class=\"wp-block-heading\">2.2 Pa\uc640 \u03bcbar \uac04\uc758 \ud658\uc0b0<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub450 \uc555\ub825 \ub2e8\uc704 \uac04\uc758 \uad00\uacc4\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1 Pa = 10 \u03bcbar<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc555\ub825\uc758 10\ubc30\ub294 20dB\uc5d0 \ud574\ub2f9\ud558\ubbc0\ub85c, \uac10\ub3c4 \uac12\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \ubcc0\ud658\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>dB re 1V\/Pa = dB re 1V\/\u03bcbar + 20dB<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>-56dB (1V\/\u03bcbar \uae30\uc900) = -36dB (1V\/Pa \uae30\uc900)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">OEM \ud504\ub85c\uc81d\ud2b8\uc758 \uacbd\uc6b0, \uae30\uc874 \ub9c8\uc774\ud06c BOM\uc5d0\ub294 \uac10\ub3c4\uac00 -56dB re 1V\/\u03bcbar\ub85c \uba85\uc2dc\ub418\uc5b4 \uc788\uc744 \uc218 \uc788\ub294 \ubc18\uba74, \uc0c8\ub85c\uc6b4 \uacf5\uae09\uc5c5\uccb4\ub294 -36dB re 1V\/Pa\ub77c\ub294 \uc0ac\uc591\uc744 \uc81c\uc2dc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ub450 \uac12\uc740 \ub3d9\uc77c\ud55c \uac10\ub3c4 \uc218\uc900\uc744 \ub098\ud0c0\ub0bc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">20dB\uc758 \ucc28\uc774\ub294 \ub9c8\uc774\ud06c\uc758 \uc2e4\uc81c \uac10\ub3c4 \ucc28\uc774\uc5d0\uc11c \ube44\ub86f\ub41c \uac83\uc774 \uc544\ub2c8\ub77c, \uae30\uc900 \uc555\ub825\uc758 \ucc28\uc774\uc5d0\uc11c \ube44\ub86f\ub41c \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 id=\"2-3-why-can-the-older-\u03bcbar-reference-still-be-found\" class=\"wp-block-heading\">2.3 \uc65c \uad6c\ud615 \u03bcbar \uae30\uc900 \ub2e8\uc704\uac00 \uc5ec\uc804\ud788 \uc0ac\uc6a9\ub418\uace0 \uc788\ub294\uac00?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">1V\/\u03bcbar \uae30\uc900\uc740 \ud604\ub300\uc758 \uad6d\uc81c \ub9c8\uc774\ud06c \uc0ac\uc591\uc5d0\uc11c\ub294 \ud6e8\uc52c \ub35c \ud754\ud558\uc9c0\ub9cc, \uc644\uc804\ud788 \uc0ac\ub77c\uc9c4 \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubd80 \uc720\uc11c \uae4a\uc740 \uc74c\ud5a5 \uc7a5\ube44 \uc81c\uc870\uc5c5\uccb4, \ud2b9\ud788 \uad6c\ud615 \uc81c\ud488 \uc124\uacc4, \uad6c\uc2dd BOM(\uc790\uc7ac\uba85\uc138\uc11c) \ub610\ub294 \uacfc\uac70\uc758 \uc2dc\ud5d8 \uc0ac\uc591\uc744 \uc0ac\uc6a9\ud558\ub294 \uae30\uc5c5\ub4e4\uc740 \uc5ec\uc804\ud788 \uae30\uc874\uc758 \u03bcbar \uae30\ubc18 \uac10\ub3c4 \uae30\uc900\uc744 \uc0ac\uc6a9\ud558\uace0 \uc788\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">OEM \uace0\uac1d\uc774 \uc2e0\uaddc \uacf5\uae09\uc5c5\uccb4\uc758 \uc0ac\uc591\uc744 \uae30\uc874 \ub9c8\uc774\ud06c \uc0ac\uc591\uacfc \ube44\uad50\ud560 \ub54c \uc774\ub85c \uc778\ud574 \ud63c\ub780\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uae30\uc900 \uccb4\uacc4\ub97c \uc774\ud574\ud558\uba74 \uc5d4\uc9c0\ub2c8\uc5b4\uc640 \uad6c\ub9e4 \ud300\uc774 \uc81c\ud488\uc744 \ube44\uad50\ud558\uac70\ub098 \uc2dc\ub8cc\ub97c \uc2b9\uc778\ud558\uae30 \uc804\uc5d0 \uc0ac\uc591\uc744 \uc77c\uce58\uc2dc\ud0a4\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"3-always-check-the-reference-before-comparing-microphone-specifications\" class=\"wp-block-heading\">3. \ub9c8\uc774\ud06c \uc0ac\uc591\uc744 \ube44\uad50\ud558\uae30 \uc804\uc5d0 \ud56d\uc0c1 \ucc38\uc870 \uc790\ub8cc\ub97c \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc11c\ub85c \ub2e4\ub978 \uacf5\uae09\uc5c5\uccb4\uc758 \ub9c8\uc774\ud06c \uc0ac\uc591\uc744 \ube44\uad50\ud560 \ub54c\ub294 \uc218\uce58\ub9cc\uc73c\ub85c\ub294 \ucda9\ubd84\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc8fc\ud30c\uc218 \uc751\ub2f5\uc758 \uacbd\uc6b0, \ud14c\uc2a4\ud2b8\ub41c \uc8fc\ud30c\uc218 \ubc94\uc704\ub97c \ud655\uc778\ud558\uace0 \ud574\ub2f9 \uace1\uc120\uc774 \uc77c\uc0c1\uc801\uc778 \uc0dd\uc0b0 \ud14c\uc2a4\ud2b8 \uacb0\uacfc\uc778\uc9c0, \uc544\ub2c8\uba74 \ubcf8\uaca9\uc801\uc778 \uc2e4\ud5d8\uc2e4 \uce21\uc815 \uacb0\uacfc\uc778\uc9c0 \ud30c\uc545\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubbfc\uac10\ub3c4\ub97c \uace0\ub824\ud560 \ub54c\ub294 dB \uac12\uc744 \ube44\uad50\ud558\uae30 \uc804\uc5d0 \ud56d\uc0c1 \uae30\uc900 \uc555\ub825\uacfc \ub2e8\uc704\ub97c \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\uc0ac\uc591<\/th><th>\ucc38\uc870<\/th><th>\uc608\uc2dc<\/th><\/tr><\/thead><tbody><tr><td>\ud604\ub300\uc801\uc778 \ubbfc\uac10\ub3c4 \uae30\uc900\uc758 \uc77c\ubc18\uc801\uc778 \uc608<\/td><td>1V\/Pa<\/td><td>-36dB (1V\/Pa \uae30\uc900)<\/td><\/tr><tr><td>\uc804\ud1b5\uc801\uc778 \uac10\ub3c4 \uae30\uc900<\/td><td>1V\/\u03bcbar<\/td><td>-56dB (1V\/\u03bcbar \uae30\uc900)<\/td><\/tr><tr><td>\uc804\ud658<\/td><td>1 Pa = 10 \u03bcbar<\/td><td>-56dB (1V\/\u03bcbar \uae30\uc900) = -36dB (1V\/Pa \uae30\uc900)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 id=\"4-what-this-means-for-oem-and-odm-projects\" class=\"wp-block-heading\">4. \uc774\uac83\uc774 OEM \ubc0f ODM \ud504\ub85c\uc81d\ud2b8\uc5d0 \ubbf8\uce58\ub294 \uc758\ubbf8<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9c8\uc774\ud06c \uacf5\uae09\uc5c5\uccb4 \uac04\uc758 \uc0ac\uc591 \ucc28\uc774\uac00 \ubc18\ub4dc\uc2dc \uc2e4\uc81c \uc81c\ud488 \uc131\ub2a5\uc758 \ucc28\uc774\ub97c \uc758\ubbf8\ud558\ub294 \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">50Hz\uc5d0\uc11c \uc2dc\uc791\ud558\ub294 \uc8fc\ud30c\uc218 \uc751\ub2f5 \uace1\uc120\uc740 \ub9c8\uc774\ud06c\uc758 \uc2e4\uc81c \uc800\uc8fc\ud30c \uc131\ub2a5\ubcf4\ub2e4\ub294 \uc77c\ubc18\uc801\uc778 \uc0dd\uc0b0 \ud14c\uc2a4\ud2b8\uc758 \uc124\uc815\uc744 \ubc18\uc601\ud55c \uac83\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub9c8\ucc2c\uac00\uc9c0\ub85c, \uac10\ub3c4 \uac12\uc758 20dB \ucc28\uc774\ub294 \ub2e8\uc21c\ud788 \uae30\uc900 \uc555\ub825 \ud45c\uc900\uc758 \ucc28\uc774\ub85c \uc778\ud574 \ubc1c\uc0dd\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">OEM \ubc0f ODM \ud504\ub85c\uc81d\ud2b8\uc758 \uacbd\uc6b0, \uc804\uccb4 \uc2dc\ud5d8 \uc870\uac74, \uae30\uc900 \ud45c\uc900, \uac10\ub3c4 \ub2e8\uc704, \uc8fc\ud30c\uc218 \uc751\ub2f5 \uc694\uad6c \uc0ac\ud56d \ubc0f \uc801\uc6a9 \uc694\uad6c \uc0ac\ud56d\uc744 \uc885\ud569\uc801\uc73c\ub85c \ube44\uad50\ud558\ub294 \uac83\uc774 \uac00\uc7a5 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ECMIC\uc5d0\uc11c\ub294 \uc0d8\ud50c \uc2b9\uc778 \ubc0f \uc591\uc0b0\uc5d0 \uc55e\uc11c \uace0\uac1d\uacfc \ud611\ub825\ud558\uc5ec \uc774\ub7ec\ud55c \uc0ac\uc591\uc0c1\uc758 \ucc28\uc774\uc810\uc744 \uba85\ud655\ud788 \ud30c\uc545\ud569\ub2c8\ub2e4. \uae30\uc874 \ub9c8\uc774\ud06c\ub85c\ud3f0 \uc0ac\uc591\uc5d0\uc11c \ub2e4\ub978 \uac10\ub3c4 \uae30\uc900\uce58\ub97c \uc0ac\uc6a9\ud558\uac70\ub098 \ud2b9\uc815 \uc8fc\ud30c\uc218 \uc751\ub2f5 \ud14c\uc2a4\ud2b8 \ubc94\uc704\uac00 \uc694\uad6c\ub418\ub294 \uacbd\uc6b0, \ub2f9\uc0ac\uc758 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ud300\uc774 \uad00\ub828 \ub9e4\uac1c\ubcc0\uc218\uc640 \ud14c\uc2a4\ud2b8 \uc870\uac74\uc744 \uc870\uc815\ud560 \uc218 \uc788\ub3c4\ub85d \ub3c4\uc640\ub4dc\ub9bd\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"conclusion\" class=\"wp-block-heading\">\uacb0\ub860<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9c8\uc774\ud06c\ub85c\ud3f0 \uc0ac\uc591\uc744 \uc774\ud574\ud558\ub824\uba74 \ub370\uc774\ud130\uc2dc\ud2b8\uc5d0 \uae30\uc7ac\ub41c \uc218\uce58\ub9cc \ube44\uad50\ud558\ub294 \uac83 \uc774\uc0c1\uc758 \ub178\ub825\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B&amp;K \uc0dd\uc0b0 \ud14c\uc2a4\ud2b8 \uace1\uc120\uc758 \uc2dc\uc791 \uc8fc\ud30c\uc218\uac00 \ubc18\ub4dc\uc2dc \ub9c8\uc774\ud06c\uc758 \uc2e4\uc81c \uc800\uc8fc\ud30c \uc751\ub2f5\uc744 \ub098\ud0c0\ub0b4\ub294 \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4. \ub9c8\ucc2c\uac00\uc9c0\ub85c, -36dB\uc640 -56dB\ub294 \uac01\uac01\uc758 \uae30\uc900 \ud45c\uc900\uc744 \ud655\uc778\ud558\uc9c0 \uc54a\uace0\ub294 \uc9c1\uc811 \ube44\uad50\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc0ac\uc591\uc5d0 \ubc18\uc601\ub41c \ud14c\uc2a4\ud2b8 \uc870\uac74\uacfc \uce21\uc815 \uae30\uc900\uc744 \uc774\ud574\ud568\uc73c\ub85c\uc368, OEM \uace0\uac1d\uc0ac\ub294 \uacf5\uae09\uc5c5\uccb4\ub97c \ubcf4\ub2e4 \uc815\ud655\ud558\uac8c \ube44\uad50\ud560 \uc218 \uc788\uc73c\uba70, \ub9c8\uc774\ud06c \uac1c\ubc1c \uacfc\uc815\uc5d0\uc11c \ubd88\ud544\uc694\ud55c \uc0ac\uc591 \ubd88\uc77c\uce58\ub97c \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>When comparing microphone specifications from different suppliers, you may notice two things that can be confusing. First, a microphone may be specified with a frequency response of 20Hz\u201320kHz, while the production test curve starts at 50Hz. Does this mean the microphone has no response below 50Hz? Second, one supplier may specify sensitivity as -36dB, while [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4328,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[774,773],"class_list":["post-4327","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical-insights","tag-microphone-specifications","tag-microphone-testing"],"_links":{"self":[{"href":"https:\/\/ecmicrophones.com\/ko\/wp-json\/wp\/v2\/posts\/4327","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ecmicrophones.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ecmicrophones.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ecmicrophones.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ecmicrophones.com\/ko\/wp-json\/wp\/v2\/comments?post=4327"}],"version-history":[{"count":2,"href":"https:\/\/ecmicrophones.com\/ko\/wp-json\/wp\/v2\/posts\/4327\/revisions"}],"predecessor-version":[{"id":4330,"href":"https:\/\/ecmicrophones.com\/ko\/wp-json\/wp\/v2\/posts\/4327\/revisions\/4330"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ecmicrophones.com\/ko\/wp-json\/wp\/v2\/media\/4328"}],"wp:attachment":[{"href":"https:\/\/ecmicrophones.com\/ko\/wp-json\/wp\/v2\/media?parent=4327"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ecmicrophones.com\/ko\/wp-json\/wp\/v2\/categories?post=4327"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ecmicrophones.com\/ko\/wp-json\/wp\/v2\/tags?post=4327"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}