{"id":8697,"date":"2016-08-23T12:11:41","date_gmt":"2016-08-23T21:11:41","guid":{"rendered":""},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T15:00:00","slug":"","status":"publish","type":"post","link":"http:\/\/w3devlabs.net\/wp\/?p=8697","title":{"rendered":"[\uc815\ubcf4\ud1b5\uc2e0\uc6a9\uc5b4] \ub370\uc2dc\ubca8"},"content":{"rendered":"

decibel – \ub370\uc2dc\ubca8<\/h1>\n<\/p>\n

\ub370\uc2dc\ubca8\uc740 \uc904\uc5ec\uc11c dB, db, \ub610\ub294 DB \ub4f1\uc73c\ub85c \ud45c\uae30\ud558\uba70, \uc18c\ub9ac\uc758 \uc0c1\ub300\uc801\uc778 \ud06c\uae30\ub97c \ub098\ud0c0\ub0b4\ub294\ub370 \uc0ac\uc6a9\ub418\ub294 \ubcf4\ud3b8\uc801\uc778 \ub2e8\uc704\ub85c\uc11c, \uc804\uc790\uacf5\ud559\uc5d0\uc11c\ub294 \ub450 \ucd9c\ub825 \uace0\ub3c4 \uc0ac\uc774\uc758 \uc0c1\ub300\uc801\uc778 \ucc28\uc774\ub97c \uce21\uc815\ud558\ub294\ub370\uc5d0\ub3c4 \uc0ac\uc6a9\ub41c\ub2e4. \ub370\uc2dc\ubca8\uc740 \uc804\ud654\uae30\ub97c \ubc1c\uba85\ud55c \uc54c\ub809\uc0b0\ub354 \uadf8\ub808\uc774\uc5c4 \ubca8\uc758 \uc774\ub984\uc744 \ub534 \ub2e8\uc704\uc778 “Bel”\uc758 1\/10\uc744 \ub098\ud0c0\ub0b8\ub2e4. \uc18c\ub9ac\uc5d0\uc11c, \ub450 \uc18c\ub9ac \uc218\uc900\uc758 \ucc28\uc774\ub294 \uadf8\ub4e4\uc758 \ucd9c\ub825\uc218\uc900\ube44 \uc0c1\uc6a9\ub300\uc218\uc758 10\ubc30\uc774\ub2e4. \uc18c\ub9ac\uc5d0\uc11c \ub370\uc2dc\ubca8\uc740 \uc0ac\ub78c\uc774 \ub4e4\uc744 \uc218 \uc788\ub294 \uc810\uc744 0 dB\ub85c \ud558\uc5ec \ucc99\ub3c4\ub97c \uc815\ud55c \uac83\uc73c\ub85c, \uc810\uc810 \uc704\ub85c \uc62c\ub77c\uac00 120~140 dB\uac00 \ub418\uba74 \ub4e3\uae30\uc5d0 \uace0\ud1b5\uc2a4\ub7ec\uc6b4 \uc815\ub3c4\uac00 \ub41c\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uac00\uc815\uc5d0\uc11c\uc758 \ud3c9\uade0 \uc0dd\ud65c\uc18c\uc74c\uc740 \uc57d 40 dB, \uc77c\uc0c1 \ub300\ud654\ub294 \uc57d 60 dB, \uc9d1\uc5d0\uc11c \uc74c\uc545\uc744 \uac10\uc0c1\ud558\ub294 \uac83\uc740 \uc57d 85 dB, \uc18c\ub9ac\uac00 \ud070 \ub85d\ubc34\ub4dc\uc758 \uacbd\uc6b0 \uc57d 110 dB, \uadf8\ub9ac\uace0 \uc81c\ud2b8\uc5d4\uc9c4\uc758 \uc18c\uc74c\uc740 150 dB\uc5d0 \uadfc\uc811\ud55c\ub2e4. \ub370\uc2dc\ubca8 \ub2e8\uc704\ub4e4\uc740 \ud558\ub4dc\uc6e8\uc5b4 \ub610\ub294 \uc18c\ud504\ud2b8\uc6e8\uc5b4\ub85c \uad6c\ud604\ub41c \uc624\ub514\uc624 \uc774\ud004\ub77c\uc774\uc800\uc5d0\uc11c \ud3b8\uc9d1\uc911\uc758 \ud3b8\ub9ac\ud55c \ucc38\uc870\uc810\uc73c\ub85c\uc11c \uc790\uc8fc \uc0ac\uc6a9\ub41c\ub2e4. \uc911\uc2ec\uc810\uc774 100 Hz\uc778 \uc774\ud004\ub77c\uc774\uc800 \ub300\uc5ed\uc744 3 dB \ubc00\uc5b4 \uc62c\ub9b0\ub2e4\ub294 \uac83\uc740, \ub2e4\ub978 \uc74c\ud5a5 \uc8fc\ud30c\uc218\ub4e4\uc5d0 \uad00\ub828\ub41c \uac83\ub4e4\uc5d0 \ub530\ub77c \uadf8 \uc8fc\ud30c\uc218 \ub300\uc5ed\uc758 \uc74c\ub7c9\uc744 3 dB \ub9cc\ud07c \uc62c\ub9b0\ub2e4\ub294 \uac83\uc744 \uc758\ubbf8\ud55c\ub2e4. \ubcf4\ud3b8\uc801\uc778 \uc774\ud004\ub77c\uc774\uc800\ub294 \u00b118 dB\uc758 \uc74c\ud5a5 \uc218\uc900\uc744 \uc62c\ub9ac\uac70\ub098 \ub0b4\ub9b4 \uc218 \uc788\ub294 \ubc94\uc704\ub97c \uac16\ub294\ub2e4. 1 \ubc00\ub9ac\uc640\ud2b8\uc5d0 \uad00\ub828\ub41c \ub370\uc2dc\ubca8, dBm\uc740 \ubb34\uc120 \ub610\ub294 \uc624\ub514\uc624 \uc8fc\ud30c\uc218\uc5d0\uc11c \uc2e0\ud638\uc758 \uc0c1\ub300\uc801\uc778 \uc138\uae30\ub97c \uce21\uc815\ud558\ub294\ub370 \uc0ac\uc6a9\ub41c\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"

decibel – \ub370\uc2dc\ubca8 \ub370\uc2dc\ubca8\uc740 \uc904\uc5ec\uc11c dB, db, \ub610\ub294 DB \ub4f1\uc73c\ub85c \ud45c\uae30\ud558\uba70, \uc18c\ub9ac\uc758 \uc0c1\ub300\uc801\uc778 \ud06c\uae30\ub97c \ub098\ud0c0\ub0b4\ub294\ub370 \uc0ac\uc6a9\ub418\ub294 \ubcf4\ud3b8\uc801\uc778 \ub2e8\uc704\ub85c\uc11c, \uc804\uc790\uacf5\ud559\uc5d0\uc11c\ub294 \ub450 \ucd9c\ub825 \uace0\ub3c4 \uc0ac\uc774\uc758 \uc0c1\ub300\uc801\uc778 \ucc28\uc774\ub97c \uce21\uc815\ud558\ub294\ub370\uc5d0\ub3c4 \uc0ac\uc6a9\ub41c\ub2e4. \ub370\uc2dc\ubca8\uc740 \uc804\ud654\uae30\ub97c \ubc1c\uba85\ud55c \uc54c\ub809\uc0b0\ub354 \uadf8\ub808\uc774\uc5c4 \ubca8\uc758 \uc774\ub984\uc744 \ub534 \ub2e8\uc704\uc778 “Bel”\uc758 1\/10\uc744 \ub098\ud0c0\ub0b8\ub2e4. \uc18c\ub9ac\uc5d0\uc11c, \ub450 \uc18c\ub9ac \uc218\uc900\uc758 \ucc28\uc774\ub294 \uadf8\ub4e4\uc758 \ucd9c\ub825\uc218\uc900\ube44 \uc0c1\uc6a9\ub300\uc218\uc758 10\ubc30\uc774\ub2e4. \uc18c\ub9ac\uc5d0\uc11c \ub370\uc2dc\ubca8\uc740 \uc0ac\ub78c\uc774 \ub4e4\uc744 \uc218 \uc788\ub294 \uc810\uc744 … <\/p>\n

\ub354 \ubcf4\uae30 “[\uc815\ubcf4\ud1b5\uc2e0\uc6a9\uc5b4] \ub370\uc2dc\ubca8”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[5922],"tags":[5921],"class_list":["post-8697","post","type-post","status-publish","format-standard","hentry","category-5922","tag-5921","entry"],"_links":{"self":[{"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/8697","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8697"}],"version-history":[{"count":0,"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/8697\/revisions"}],"wp:attachment":[{"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8697"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8697"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8697"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}