{"id":4057,"date":"2026-03-27T16:35:57","date_gmt":"2026-03-27T08:35:57","guid":{"rendered":"https:\/\/ecmicrophones.com\/?p=4057"},"modified":"2026-03-27T16:35:58","modified_gmt":"2026-03-27T08:35:58","slug":"electret-microphone-digital-stethoscope-guide","status":"publish","type":"post","link":"https:\/\/ecmicrophones.com\/ko\/electret-microphone-digital-stethoscope-guide\/","title":{"rendered":"\ub514\uc9c0\ud138 \uccad\uc9c4\uae30\ub97c \uc704\ud55c \uc77c\ub809\ud2b8\ub9bf \ub9c8\uc774\ud06c \uc120\ud0dd: \uae30\uc220 \uac00\uc774\ub4dc"},"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\/03\/electret-microphone-digital-stethoscope-guide.png\" alt=\"\ub514\uc9c0\ud138 \uccad\uc9c4\uae30\uc6a9 \uc77c\ub809\ud2b8\ub9bf \ub9c8\uc774\ud06c \uc120\ud0dd \uac00\uc774\ub4dc\" class=\"wp-image-4060\" srcset=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2026\/03\/electret-microphone-digital-stethoscope-guide.png 925w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2026\/03\/electret-microphone-digital-stethoscope-guide-300x175.png 300w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2026\/03\/electret-microphone-digital-stethoscope-guide-768x448.png 768w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2026\/03\/electret-microphone-digital-stethoscope-guide-18x12.png 18w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2026\/03\/electret-microphone-digital-stethoscope-guide-600x350.png 600w\" sizes=\"auto, (max-width: 925px) 100vw, 925px\" \/><figcaption class=\"wp-element-caption\">\ub514\uc9c0\ud138 \uccad\uc9c4\uae30 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc704\ud55c ECMIC 9.7mm \uc77c\ub809\ud2b8\ub9bf \ub9c8\uc774\ud06c<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\ub514\uc9c0\ud138 \uccad\uc9c4\uae30\ub85c\uc758 \uc804\ud658\uc73c\ub85c \uc778\ud574 \uc74c\ud5a5 \ud504\ub7f0\ud2b8\uc5d4\ub4dc \uad6c\uc131 \uc694\uc18c\uc5d0 \ub300\ud55c \uc0c8\ub85c\uc6b4 \uc694\uad6c\uac00 \uc0dd\uacbc\uc2b5\ub2c8\ub2e4. \uae30\uc874 \uc544\ub0a0\ub85c\uadf8 \uccad\uc9c4\uae30\uc640 \ub2ec\ub9ac \ub514\uc9c0\ud138 \uccad\uc9c4\uae30\uc5d0\ub294 \ud558\uc6b0\uc9d5\uacfc \ud578\ub4e4\ub9c1\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uae30\uacc4\uc801 \uc18c\uc74c\uc744 \uc81c\uac70\ud558\uba74\uc11c \ubbf8\ubb18\ud55c \uc0dd\ub9ac\uc801 \uc18c\ub9ac\ub97c \ud3ec\ucc29\ud560 \uc218 \uc788\ub294 \ub9c8\uc774\ud06c\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc774 \uac00\uc774\ub4dc\uc5d0\uc11c\ub294 \uc77c\ub809\ud2b8\ub9bf \ucf58\ub374\uc11c \ub9c8\uc774\ud06c(ECM)\uc758 \uc8fc\uc694 \uc0ac\uc591\uc5d0 \ub300\ud574 \uc124\uba85\ud569\ub2c8\ub2e4.&nbsp;<a href=\"https:\/\/ecmicrophones.com\/ko\/9-7mm-omnidirectional-electret-microphone-cartridge-for-parabolic-microphone\/\" target=\"_blank\" rel=\"noreferrer noopener\">\ub514\uc9c0\ud138 \uccad\uc9c4\uae30 \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/a>, \uc640 \ud568\uaed8 \ub514\ubc14\uc774\uc2a4 \ud558\uc6b0\uc9d5\uc5d0 \ud1b5\ud569\ud558\uae30 \uc704\ud55c \uc2e4\uc6a9\uc801\uc778 \uace0\ub824 \uc0ac\ud56d\uc744 \uc0b4\ud3b4\ubcf4\uc138\uc694.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ub514\uc9c0\ud138 \uccad\uc9c4\uae30\uc758 \uc8fc\uc694 \ub9c8\uc774\ud06c \uc0ac\uc591<\/h2>\n\n\n\n<p>\uc2ec\uc7a5 \uc18c\ub9ac\uc640 \ud638\ud761 \uc18c\ub9ac\ub294 \uc77c\ubc18\uc801\uc73c\ub85c 20~80dB SPL \ubc94\uc704\uc758 \uc800\uc9c4\ud3ed \uc2e0\ud638\ub85c, \ub300\ubd80\ubd84\uc758 \uc5d0\ub108\uc9c0\uac00 \uc800\uc8fc\ud30c \uc2a4\ud399\ud2b8\ub7fc\uc5d0 \uc9d1\uc911\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc774\uc5d0 \ub530\ub77c \ub9c8\uc774\ud06c\ub97c \uc120\ud0dd\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uac10\uad11\ub3c4<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Target<\/strong>40dB ~ -30dB(0dB = 1V\/Pa)<\/li>\n\n\n\n<li><strong>\uc911\uc694\ud55c \uc774\uc720<\/strong>: \uc2ec\uc7a5 \uc18c\ub9ac\uac00 \uc57d\ud569\ub2c8\ub2e4. \uac10\ub3c4\uac00 \ub192\uc744\uc218\ub85d \ub178\uc774\uc988\ub97c \uc99d\ud3ed\uc2dc\ud0a4\ub294 \uacfc\ub3c4\ud55c \uc544\ub0a0\ub85c\uadf8 \uac8c\uc778 \uc5c6\uc774\ub3c4 \uc57d\ud55c \uc2e0\ud638\ub97c \ud3ec\ucc29\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ucc38\uc870<\/strong>: \uc6b0\ub9ac\u00a0<a href=\"https:\/\/ecmicrophones.com\/ko\/9-7mm-omnidirectional-electret-microphone-cartridge-for-parabolic-microphone\/\" target=\"_blank\" rel=\"noreferrer noopener\">9.7mm \ubb34\uc9c0\ud5a5\uc131 \uc77c\ub809\ud2b8\ub9bf \ub9c8\uc774\ud06c<\/a>\u00a0\uc9c1\uc811 \ucea1\ucc98\uc5d0 \uc801\ud569\ud55c -26 \u00b1 2dB \uac10\ub3c4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\uc2e0\ud638 \ub300 \uc7a1\uc74c\ube44(SNR)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Target<\/strong>\u2265 70dB(A-\uac00\uc911), \uac00\uae09\uc801 \u2265 75dB<\/li>\n\n\n\n<li><strong>\uc911\uc694\ud55c \uc774\uc720<\/strong>: \uc784\uc0c1 \ud658\uacbd\uc740 \uc74c\ud5a5\uc801\uc73c\ub85c \ud1b5\uc81c\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ub192\uc740 SNR\uc740 \uc0dd\ub9ac\uc801 \uc2e0\ud638\uc640 \uc8fc\ubcc0 \uc18c\uc74c\uc744 \ubd84\ub9ac\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ucc38\uc870<\/strong>: 82dB(\uc77c\ubc18)\uc758 SNR\uc740 \ub300\ubd80\ubd84\uc758 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \ucda9\ubd84\ud55c \ud5e4\ub4dc\ub8f8\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\uc8fc\ud30c\uc218 \uc751\ub2f5<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uc720\ud6a8 \ubc94\uc704<\/strong>20Hz - 8kHz, 4kHz \uc774\uc0c1\uc5d0\uc11c \ubd80\ub4dc\ub7fd\uac8c \ub864\uc624\ud504\ub428<\/li>\n\n\n\n<li><strong>\uc911\uc694\ud55c \uc774\uc720<\/strong>: \uc2ec\uc7a5 \uc18c\ub9ac\ub294 20-500Hz, \ud638\ud761 \uc18c\ub9ac\ub294 2kHz, \uc7a1\uc74c\uacfc \ub3cc\ubc1c \uc18c\ub9ac\ub294 4-8kHz\uc5d0 \ub2ec\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc800\uc8fc\ud30c \ud655\uc7a5\uc740 \ub9e4\uc6b0 \uc911\uc694\ud558\uba70, \uace0\uc8fc\ud30c \ub864\uc624\ud504\ub294 \uac00\uccad \ub300\uc5ed\uc73c\ub85c \uc720\uc785\ub420 \uc218 \uc788\ub294 \ud658\uacbd \uc18c\uc74c\uc744 \ucc28\ub2e8\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ucc38\uace0<\/strong>: \uacf5\uac1c\ub41c \uc8fc\ud30c\uc218 \uc751\ub2f5 \uace1\uc120\uc740 50Hz\uc5d0\uc11c \uc2dc\uc791\ud558\uc9c0\ub9cc \uc2e4\uc81c \uc131\ub2a5\uc740 20Hz\uae4c\uc9c0 \ud655\uc7a5\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\uc9c0\ud5a5\uc131<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uad8c\uc7a5 \uc0ac\ud56d<\/strong>: \uc804\ubc29\ud5a5\uc131<\/li>\n\n\n\n<li><strong>\uc911\uc694\ud55c \uc774\uc720<\/strong>: \ubc00\ud3d0\ub41c \uccb4\uc2a4\ud2b8\ud53c\uc2a4 \uce90\ube44\ud2f0\uc5d0\uc11c \ubb34\uc9c0\ud5a5\uc131 \ub9c8\uc774\ud06c\ub294 \uc791\uc740 \uc5b4\uc148\ube14\ub9ac \ubcc0\ud654\uc5d0\ub3c4 \uc77c\uad00\ub41c \uc751\ub2f5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc9c0\ud5a5\uc131 \ub9c8\uc774\ud06c\ub294 \uc815\ud655\ud55c \uc704\uce58\uc5d0 \ub530\ub77c \uc8fc\ud30c\uc218 \uc751\ub2f5\uc5d0 \ubcc0\ub3d9\uc131\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\uc804\uae30\uc801 \ud2b9\uc131<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uc791\ub3d9 \uc804\uc555<\/strong>: 1.0-10.0V(\uc77c\ubc18 2.0V)<\/li>\n\n\n\n<li><strong>\uc804\ub958 \uc18c\ube44\ub7c9<\/strong>\u2264 500 \u03bcA<\/li>\n\n\n\n<li><strong>\ucd9c\ub825 \uc784\ud53c\ub358\uc2a4<\/strong>\u2264 2.2k\u03a9<\/li>\n<\/ul>\n\n\n\n<p>\uc774\ub7ec\ud55c \ub9e4\uac1c \ubcc0\uc218\ub294 \ubc30\ud130\ub9ac \uc804\uc6d0 \uc791\ub3d9 \ubc0f \ud45c\uc900 \uc624\ub514\uc624 \ud504\ub7f0\ud2b8 \uc5d4\ub4dc \ud68c\ub85c\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc548\uc815\uc131 \uace0\ub824 \uc0ac\ud56d<\/h2>\n\n\n\n<p>\uc758\ub8cc \uae30\uae30\ub294 \uc628\ub3c4, \uc2b5\ub3c4 \ubc0f \uae30\uacc4\uc801 \uc2a4\ud2b8\ub808\uc2a4\uc5d0 \uac78\uccd0 \uc77c\uad00\ub41c \uc131\ub2a5\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uc774 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \ub300\ud55c \ud45c\uc900 \uc2e0\ub8b0\uc131 \ud14c\uc2a4\ud2b8\uc5d0\ub294 \ub2e4\uc74c\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\ud14c\uc2a4\ud2b8<\/th><th class=\"has-text-align-left\" data-align=\"left\">\uc870\uac74<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">\uace0\uc628<\/td><td class=\"has-text-align-left\" data-align=\"left\">+80\u00b0C, 100\uc2dc\uac04<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\uc800\uc628<\/td><td class=\"has-text-align-left\" data-align=\"left\">-40\u00b0C, 100\uc2dc\uac04<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\uc2b5\ub3c4<\/td><td class=\"has-text-align-left\" data-align=\"left\">+55\u00b0C, 85% RH, 100\uc2dc\uac04<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\uc5f4 \ucda9\uaca9<\/td><td class=\"has-text-align-left\" data-align=\"left\">-40\u00b0C ~ +80\u00b0C, 10\uc8fc\uae30<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\uc9c4\ub3d9<\/td><td class=\"has-text-align-left\" data-align=\"left\">10-55Hz, 1.52mm \uc9c4\ud3ed, \ucd95\ub2f9 2\uc2dc\uac04<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\ub4dc\ub86d<\/td><td class=\"has-text-align-left\" data-align=\"left\">\ub300\ub9ac\uc11d \uc704\uc5d0 1.0m, 5\ud68c \ud22c\ud558<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\uc774\ub7ec\ud55c \ud14c\uc2a4\ud2b8\ub97c \ud1b5\ud574 \ub9c8\uc774\ud06c\uac00 \uc77c\ubc18\uc801\uc778 \uc0ac\uc6a9 \ubc0f \ubcf4\uad00 \uc870\uac74\uc5d0\uc11c \uc131\ub2a5\uc744 \uc720\uc9c0\ud558\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc77c\ubc18\uc801\uc778 \ud1b5\ud569 \ubb38\uc81c - \ubc00\ud3d0\ub41c \uce90\ube44\ud2f0\uc758 \uae30\uacc4\uc801 \ub178\uc774\uc988<\/h2>\n\n\n\n<p>\uace0\uac1d\ub4e4\uc774 \uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38 \uc911 \ud558\ub098\ub294 \ub9c8\uc774\ud06c\ub97c \ubc00\ud3d0\ub41c \ud558\uc6b0\uc9d5\uc5d0 \uc124\uce58\ud588\uc744 \ub54c \ub178\uc774\uc988\uac00 \ud53d\uc5c5\ub418\ub294 \ubb38\uc81c\uc785\ub2c8\ub2e4:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u201c\ub9c8\uc774\ud06c\ub97c \ubc00\ud3d0\ub41c \uacf5\uac04\uc5d0 \ub193\uc73c\uba74 \ud5c8\ubc0d \uc18c\ub9ac\uac00 \ub0a9\ub2c8\ub2e4. \uce90\ube44\ud2f0 \ud45c\uba74\uc5d0 \uc57d\uac04\uc758 \uc811\ucd09\uc774\ub098 \uc678\ubd80\uc758 \ubc29\ud574\uac00 \uc788\uc5b4\ub3c4 \uc7a1\ud788\uac8c \ub429\ub2c8\ub2e4.\u201d<\/p>\n<\/blockquote>\n\n\n\n<p>\uc774\ub294 \ub9c8\uc774\ud06c \uacb0\ud568\uc774 \uc544\ub2cc \uae30\uacc4\uc801 \uacb0\ud569 \ubb38\uc81c\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uadfc\ubcf8 \uc6d0\uc778 \ubd84\uc11d<\/h3>\n\n\n\n<p>\ub9c8\uc774\ud06c\uac00 \ub2e8\ub2e8\ud55c \uce90\ube44\ud2f0 \uc548\uc5d0 \ubc00\ud3d0\ub418\uc5b4 \uc788\uc73c\uba74 \uc804\uccb4 \ud558\uc6b0\uc9d5\uc774 \uae30\uacc4\uc801 \ub3c4\uccb4\uac00 \ub429\ub2c8\ub2e4. \ud130\uce58, \ucf00\uc774\uc2a4 \uacf5\uc9c4 \ub610\ub294 \ucf00\uc774\ube14 \ub9c8\ucc30\uc740 \uad6c\uc870\ub97c \ud1b5\ud574 \uc9c4\ub3d9\uc744 \ub9c8\uc774\ud06c\uc758 \ub0b4\ubd80 FET\ub85c \uc804\ub2ec\ud558\uc5ec \uc804\uae30 \uc2e0\ud638\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc758\ub3c4\ud55c \uc2e0\ud638(\uc2ec\uc7a5 \uc18c\ub9ac)\ub294 \ub2e4\uc74c \uacbd\ub85c\ub97c \ud1b5\ud574 \uc804\ub2ec\ub429\ub2c8\ub2e4.&nbsp;<strong>air<\/strong>. \uc6d0\uce58 \uc54a\ub294 \uc2e0\ud638(\ucc98\ub9ac \ub178\uc774\uc988)\ub294 \ub2e4\uc74c\uc744 \ud1b5\ud574 \uc774\ub3d9\ud569\ub2c8\ub2e4.&nbsp;<strong>\uacac\uace0\ud55c \uad6c\uc870<\/strong>. \ub9c8\uc774\ud06c\uac00 \ub458\uc744 \uad6c\ubd84\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc644\ud654 \uc804\ub7b5 - \uc2dc\uc2a4\ud15c \uc218\uc900<\/h3>\n\n\n\n<p>\uc774 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub824\uba74 \uae30\uacc4, \uc74c\ud5a5, \uc804\uae30 \uc124\uacc4\uc5d0 \uc8fc\uc758\ub97c \uae30\uc6b8\uc5ec\uc57c \ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\uae30\uacc4\uc801 \uaca9\ub9ac<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uaddc\uaca9\uc5d0 \ub9de\ub294 \uc7ac\ub8cc(\uc2e4\ub9ac\ucf58 \uac1c\uc2a4\ud0b7, \ud3fc)\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub9c8\uc774\ud06c\ub97c \ud558\uc6b0\uc9d5\uc5d0\uc11c \ubd84\ub9ac\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ub531\ub531\ud55c \uc5f0\uacb0\uc774 \uc544\ub2cc \uc5f0\uc131 \ud68c\ub85c(FPC)\uc5d0 \ub9c8\uc774\ud06c PCB\ub97c \uc7a5\ucc29\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ud558\uc6b0\uc9d5\uacfc\uc758 \ub9c8\ucc30\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \ubaa8\ub4e0 \ub0b4\ubd80 \ucf00\uc774\ube14\uc744 \uace0\uc815\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\uc5b4\ucfe0\uc2a4\ud2f1 \ucc54\ubc84 \ub514\uc790\uc778<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ubc31 \ucc54\ubc84\ub97c \ubc00\ud3d0\ud558\uace0 \ub2e4\ub978 \uc218\ub0a9\uacf5\uac04\uacfc \uaca9\ub9ac\ub41c \uc0c1\ud0dc\ub85c \uc720\uc9c0\ud558\uc138\uc694.<\/li>\n\n\n\n<li>\uc0ac\uc6b4\ub4dc \ud3ec\ud2b8 \uc9c1\uacbd(0.8-1.5mm) \ubc0f \uae38\uc774(\u2265 3mm) \ucd5c\uc801\ud654<\/li>\n\n\n\n<li>PTFE \uba64\ube0c\ub808\uc778\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud3ec\ud2b8\ub97c \ubc00\ubd09\ud558\uba74\uc11c \uc0ac\uc6b4\ub4dc \uc804\uc1a1\uc744 \ud5c8\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\ud68c\ub85c \ubc0f DSP<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud504\ub9ac\uc570\ud504\ub97c \ub9c8\uc774\ud06c\uc5d0 \ucd5c\ub300\ud55c \uac00\uae5d\uac8c \ubc30\uce58\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uace0\uc5ed \ud1b5\uacfc \ud544\ud130\ub9c1(20~50Hz)\uc744 \uc801\uc6a9\ud558\uc5ec \uc800\uc8fc\ud30c \uae30\uacc4 \uc18c\uc74c\uc744 \uc81c\uac70\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ud38c\uc6e8\uc5b4\uc5d0\uc11c \ud130\uce58 \ub178\uc774\uc988 \uac10\uc9c0 \ubc0f \uc801\uc751\ud615 \uc5b5\uc81c \uae30\ub2a5\uc744 \uad6c\ud604\ud558\uc138\uc694.<\/li>\n<\/ul>\n\n\n\n<p>\ub9c8\uc774\ud06c\ub9cc\uc73c\ub85c\ub294 \uae30\uacc4\uc801 \ub178\uc774\uc988 \ubb38\uc81c\ub97c \ud574\uacb0\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \uc2dc\uc2a4\ud15c \uc218\uc900\uc758 \uc124\uacc4\uac00 \ucd5c\uc885 \uc131\ub2a5\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38(FAQ)<\/h2>\n\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list\">\n<div id=\"faq-question-1774599118953\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">Q1: \ub514\uc9c0\ud138 \uccad\uc9c4\uae30 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \ud45c\uc900 \uc74c\uc131 \ub9c8\uc774\ud06c\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub098\uc694?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p><strong>A:<\/strong>\u00a0\uad8c\uc7a5\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ud45c\uc900 \uc74c\uc131 \ub9c8\uc774\ud06c\ub294 \uc77c\ubc18\uc801\uc73c\ub85c 100Hz\ubd80\ud130 \uc8fc\ud30c\uc218 \uc751\ub2f5\uc774 \uc2dc\uc791\ub418\ubbc0\ub85c \uc911\uc694\ud55c \uc2ec\uc7a5 \uc18c\ub9ac \uc8fc\ud30c\uc218\ub97c 100Hz \uc774\ud558\ub85c \uac10\uc1e0\uc2dc\ud0b5\ub2c8\ub2e4. \ub514\uc9c0\ud138 \uccad\uc9c4\uae30\uc758 \uacbd\uc6b0 20Hz\uae4c\uc9c0 \uc720\ud6a8 \uc751\ub2f5\uc774 \uac00\ub2a5\ud55c \ub9c8\uc774\ud06c\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1774599126428\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">Q2: \ub9c8\uc774\ud06c\uac00 \ud558\uc6b0\uc9d5\uc5d0 \ubc00\ud3d0\ub418\uc5b4 \uc788\uc744 \ub54c \uc719\uc719\uac70\ub9ac\ub294 \uc18c\ub9ac\uac00 \ub098\ub294 \uc774\uc720\ub294 \ubb34\uc5c7\uc778\uac00\uc694?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p><strong>A:<\/strong>\u00a0\uc774\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ub9c8\uc774\ud06c\uc640 \ud558\uc6b0\uc9d5 \uc0ac\uc774\uc758 \uae30\uacc4\uc801 \uacb0\ud569\uc73c\ub85c \uc778\ud574 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \ub9c8\uc774\ud06c\uac00 \ub2e8\ub2e8\ud788 \uc7a5\ucc29\ub418\uc5b4 \uc788\uc73c\uba74 \ud558\uc6b0\uc9d5\uc758 \uc9c4\ub3d9\uc774 \ub9c8\uc774\ud06c\uc5d0 \uc9c1\uc811 \uc804\ub2ec\ub429\ub2c8\ub2e4. \uc774 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub824\uba74 \uae30\uacc4\uc801 \uc808\uc5f0(\uc2e4\ub9ac\ucf58 \uac1c\uc2a4\ud0b7, \ud3fc)\uacfc \uc801\uc808\ud55c \uc74c\ud5a5 \ucc54\ubc84 \uc124\uacc4\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1774599132219\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">Q3: ECMIC\uc740 \ub9de\ucda4\ud615 \uac10\ub3c4 \ub610\ub294 \uc8fc\ud30c\uc218 \uc751\ub2f5\uc744 \uc81c\uacf5\ud560 \uc218 \uc788\ub098\uc694?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p><strong>A:<\/strong>\u00a0\uc608. ECMIC\ub294 \ubcfc\ub968 \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub530\ub77c \uac10\ub3c4, \uc8fc\ud30c\uc218 \uc751\ub2f5 \ubc0f \uae30\uacc4\uc801 \uce58\uc218\uc5d0 \ub300\ud55c \ub9de\ucda4\ud615 \uc11c\ube44\uc2a4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \uae30\uc220 \uc9c0\uc6d0\ud300\uc5d0 \uc0ac\uc591\uc744 \ubb38\uc758\ud558\uc138\uc694.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1774599138028\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">Q4: \uc774 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \ubb34\uc9c0\ud5a5\uc131 \ub9c8\uc774\ud06c\uc640 \uc9c0\ud5a5\uc131 \ub9c8\uc774\ud06c\uc758 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc778\uac00\uc694?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p><strong>A:<\/strong>\u00a0\uc804\ubc29\ud5a5\uc131 \ub9c8\uc774\ud06c\ub294 \uc815\ud655\ud55c \uc7a5\ucc29 \uc704\uce58\uc5d0 \uad00\uacc4\uc5c6\uc774 \uc77c\uad00\ub41c \uc8fc\ud30c\uc218 \uc751\ub2f5\uc744 \uc81c\uacf5\ud558\uae30 \ub54c\ubb38\uc5d0 \ubc00\ud3d0\ud615 \ud749\uac15\uc5d0 \uc120\ud638\ub429\ub2c8\ub2e4. \uc9c0\ud5a5\uc131 \ub9c8\uc774\ud06c\ub294 \uc870\ub9bd \uc911\uc5d0 \uc0ac\uc6b4\ub4dc \ud3ec\ud2b8 \uc815\ub82c\uc774 \ubc14\ub00c\uba74 \ubcc0\ub3d9\uc131\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1774599143452\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">Q5: \ub178\uc774\uc988 \ubb38\uc81c\uac00 \ub9c8\uc774\ud06c \ub610\ub294 \uc2dc\uc2a4\ud15c \uc124\uacc4\uc5d0\uc11c \ube44\ub86f\ub41c \uac83\uc778\uc9c0 \ud14c\uc2a4\ud2b8\ud558\ub824\uba74 \uc5b4\ub5bb\uac8c \ud574\uc57c \ud558\ub098\uc694?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p><strong>A:<\/strong>\u00a0\uac04\ub2e8\ud55c \ubc29\ubc95\uc740 \ub9c8\uc774\ud06c\ub97c \uc804\uae30\uc801\uc73c\ub85c \uc5f0\uacb0\ub41c \uc0c1\ud0dc\ub85c \uc720\uc9c0\ud558\uba74\uc11c \ud558\uc6b0\uc9d5\uc5d0\uc11c \ub9c8\uc774\ud06c\ub97c \ubd84\ub9ac\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \ub178\uc774\uc988\uac00 \uc0ac\ub77c\uc9c0\uba74 \uae30\uacc4\uc801 \ucee4\ud50c\ub9c1 \ub610\ub294 \uc74c\ud5a5\uc2e4 \uc124\uacc4\uc5d0 \ubb38\uc81c\uac00 \uc788\ub294 \uac83\uc785\ub2c8\ub2e4. \ub178\uc774\uc988\uac00 \uc9c0\uc18d\ub418\uba74 \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58, \ud504\ub9ac\uc570\ud504 \ud68c\ub85c \ubc0f \uc811\uc9c0\ub97c \uc810\uac80\ud558\uc138\uc694.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1774599150460\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">Q6: \uc758\ub8cc \uae30\uae30\uc5d0\uc11c ECM\uc758 \uc77c\ubc18\uc801\uc778 \uc791\ub3d9 \uc218\uba85\uc740 \uc5b4\ub5bb\uac8c \ub418\ub098\uc694?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p><strong>A:<\/strong>\u00a0ECM\uc740 \uc815\uc0c1 \uc791\ub3d9 \uc2dc \ub9c8\ubaa8 \uba54\ucee4\ub2c8\uc998\uc774 \uc5c6\ub294 \uc218\ub3d9 \ubd80\ud488\uc785\ub2c8\ub2e4. \uc9c0\uc815\ub41c \uc804\uae30\uc801 \ubc0f \ud658\uacbd\uc801 \ud55c\uacc4 \ub0b4\uc5d0\uc11c \uc0ac\uc6a9\ud558\uba74 \uae30\uae30\uc758 \uc608\uc0c1 \uc218\uba85 \ub3d9\uc548 \uc131\ub2a5\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4. \uc7a5\uae30\uc801\uc778 \uc548\uc815\uc131\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 \uc2e0\ub8b0\uc131 \ud14c\uc2a4\ud2b8(\uc628\ub3c4, \uc2b5\ub3c4, \uc9c4\ub3d9)\uac00 \uc218\ud589\ub429\ub2c8\ub2e4.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1774599157404\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">Q7: \ub9c8\uc774\ud06c\ub97c \uc870\ub9bd\ud560 \ub54c \ud2b9\ubcc4\ud55c \ucde8\uae09\uc774 \ud544\uc694\ud55c\uac00\uc694?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p><strong>A:<\/strong>\u00a0\uc608. \ub0b4\ubd80 FET\ub294 \uc815\uc804\uae30\uc5d0 \ubbfc\uac10\ud558\ubbc0\ub85c \ucde8\uae09 \uc2dc ESD \ubcf4\ud638\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \ub0a9\ub55c\uc740 \ub0a9\ub55c \uc628\ub3c4 360 \u00b1 10\u00b0C, \ub0a9\ub55c \uc2dc\uac04 \u2264 3\ucd08 \uc0ac\uc591\uc744 \ub530\ub77c\uc57c \ud569\ub2c8\ub2e4. \ub0a9\ub55c \uae30\uad6c\uc640 \uc791\uc5c5\uc790\ub294 \uc62c\ubc14\ub974\uac8c \uc811\uc9c0\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">\uc120\ud0dd \uc694\uc57d<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/th><th class=\"has-text-align-left\" data-align=\"left\">\uad8c\uc7a5 \ubaa8\ub378<\/th><th class=\"has-text-align-left\" data-align=\"left\">\uc8fc\uc694 \ub9e4\uac1c\ubcc0\uc218<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">\uc784\uc0c1 \ub4f1\uae09 \ub514\uc9c0\ud138 \uccad\uc9c4\uae30<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/ecmicrophones.com\/ko\/9-7mm-omnidirectional-electret-microphone-cartridge-for-parabolic-microphone\/\" target=\"_blank\" rel=\"noreferrer noopener\">9.7mm \ubb34\uc9c0\ud5a5\uc131 ECM<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\">-26dB \uac10\ub3c4, 82dB SNR, 20Hz - 8kHz \uc720\ud6a8 \ubc94\uc704<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\ud734\ub300\uc6a9 \/ \uc5d4\ud2b8\ub9ac \ub808\ubca8<\/td><td class=\"has-text-align-left\" data-align=\"left\">\uc0ac\uc6a9\uc790 \uc9c0\uc815 \uc635\uc158\uc5d0 \ub300\ud574 \ubb38\uc758\ud558\uae30<\/td><td class=\"has-text-align-left\" data-align=\"left\">\ud2b9\uc815 \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub530\ub77c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\uacb0\ub860<\/h2>\n\n\n\n<p>\uc801\ud569\ud55c \uc77c\ub809\ud2b8\ub9bf \ub9c8\uc774\ud06c \uc120\ud0dd\ud558\uae30&nbsp;<a href=\"https:\/\/ecmicrophones.com\/ko\/9-7mm-omnidirectional-electret-microphone-cartridge-for-parabolic-microphone\/\" target=\"_blank\" rel=\"noreferrer noopener\">\ub514\uc9c0\ud138 \uccad\uc9c4\uae30<\/a>&nbsp;\uac10\ub3c4, SNR, \uc8fc\ud30c\uc218 \uc751\ub2f5 \ubc0f \uc2e0\ub8b0\uc131\uc758 \uade0\ud615\uc744 \ub9de\ucd94\ub294 \uac83\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. \ub9c8\ucc2c\uac00\uc9c0\ub85c \uc911\uc694\ud55c \uac83\uc740 \uae30\uacc4\uc801 \uc808\uc5f0, \uc74c\ud5a5 \ucc54\ubc84 \uc124\uacc4 \ubc0f \uc2e0\ud638 \ucc98\ub9ac\ub97c \ud1b5\ud574 \uc2dc\uc2a4\ud15c \uc218\uc900\uc5d0\uc11c \uae30\uacc4\uc801 \ub178\uc774\uc988\ub97c \ud574\uacb0\ud574\uc57c \ud55c\ub2e4\ub294 \uc810\uc744 \uc774\ud574\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p>ECMIC\ub294 \uc758\ub8cc\uc6a9 \uc74c\ud5a5 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc704\ud574 \uc124\uacc4\ub41c \ub9c8\uc774\ud06c\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \ud2b9\uc815 \uc120\ud0dd\uc5d0 \ub300\ud55c \uc9c8\ubb38\uc774\ub098 \ud1b5\ud569 \uc9c0\uc6d0\uc774 \ud544\uc694\ud55c \uacbd\uc6b0 \uae30\uc220 \ubb38\uc11c \ubc0f \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc9c0\uc6d0\uc744 \ubc1b\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>The shift toward digital stethoscopes has placed new demands on acoustic front-end components. Unlike traditional analog stethoscopes, digital versions require microphones that can capture subtle physiological sounds while rejecting mechanical noise from the housing and handling. This guide covers the key specifications for electret condenser microphones (ECM) in&nbsp;digital stethoscope applications, along with practical considerations for [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4060,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[725,677],"class_list":["post-4057","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical-insights","tag-digital-stethoscope","tag-electret-microphone"],"_links":{"self":[{"href":"https:\/\/ecmicrophones.com\/ko\/wp-json\/wp\/v2\/posts\/4057","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=4057"}],"version-history":[{"count":3,"href":"https:\/\/ecmicrophones.com\/ko\/wp-json\/wp\/v2\/posts\/4057\/revisions"}],"predecessor-version":[{"id":4062,"href":"https:\/\/ecmicrophones.com\/ko\/wp-json\/wp\/v2\/posts\/4057\/revisions\/4062"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ecmicrophones.com\/ko\/wp-json\/wp\/v2\/media\/4060"}],"wp:attachment":[{"href":"https:\/\/ecmicrophones.com\/ko\/wp-json\/wp\/v2\/media?parent=4057"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ecmicrophones.com\/ko\/wp-json\/wp\/v2\/categories?post=4057"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ecmicrophones.com\/ko\/wp-json\/wp\/v2\/tags?post=4057"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}