{"id":1296,"date":"2026-06-15T12:35:05","date_gmt":"2026-06-15T04:35:05","guid":{"rendered":"https:\/\/www.desv.com.tw\/?p=1296"},"modified":"2026-06-15T12:50:18","modified_gmt":"2026-06-15T04:50:18","slug":"edt-early-decay-time-acoustic-parameter","status":"publish","type":"post","link":"https:\/\/www.desv.com.tw\/?p=1296","title":{"rendered":"EDT \u65e9\u671f\u8870\u6e1b\u6642\u9593\uff1a\u5224\u65b7\u7a7a\u9593\u4e00\u958b\u59cb\u6b98\u97ff\u611f\u7684\u8072\u5b78\u6307\u6a19"},"content":{"rendered":"<article class=\"desv-knowledge-article\">\n<style>\n.desv-knowledge-article {\n  color: #243044;\n  font-size: 17px;\n  line-height: 1.92;\n}\n.desv-knowledge-article h2 {\n  margin: 34px 0 14px;\n  color: #102a4c;\n  font-size: 28px;\n  line-height: 1.35;\n}\n.desv-knowledge-article h3 {\n  margin: 24px 0 10px;\n  color: #102a4c;\n  font-size: 21px;\n}\n.desv-knowledge-article p {\n  margin: 0 0 18px;\n}\n.desv-knowledge-article ul,\n.desv-knowledge-article ol {\n  margin: 0 0 22px 1.25em;\n  padding: 0;\n}\n.desv-article-summary {\n  margin: 0 0 26px;\n  padding: 18px 20px;\n  border-left: 5px solid #d4ad58;\n  background: #f8f5ee;\n  color: #102a4c;\n  font-weight: 700;\n}\n.desv-article-visual {\n  margin: 30px 0;\n  padding: 24px;\n  border: 1px solid rgba(16, 42, 76, .12);\n  background: linear-gradient(135deg, #ffffff 0%, #f8f5ee 100%);\n  box-shadow: 0 16px 34px rgba(16, 42, 76, .07);\n}\n.desv-article-visual__title {\n  margin: 0 0 18px;\n  color: #102a4c;\n  font-size: 18px;\n  font-weight: 900;\n}\n.desv-icon-row,\n.desv-process-row,\n.desv-meter-row {\n  display: grid;\n  gap: 14px;\n}\n.desv-icon-row {\n  grid-template-columns: repeat(3, minmax(0, 1fr));\n}\n.desv-process-row {\n  grid-template-columns: repeat(4, minmax(0, 1fr));\n}\n.desv-meter-row {\n  grid-template-columns: repeat(5, minmax(0, 1fr));\n  align-items: end;\n}\n.desv-icon-card,\n.desv-process-step,\n.desv-meter-card {\n  min-width: 0;\n  padding: 16px;\n  border: 1px solid rgba(16, 42, 76, .1);\n  background: rgba(255, 255, 255, .82);\n}\n.desv-icon {\n  display: inline-flex;\n  width: 42px;\n  height: 42px;\n  align-items: center;\n  justify-content: center;\n  margin-bottom: 12px;\n  border-radius: 50%;\n  background: #102a4c;\n  color: #fff;\n  font-size: 20px;\n  font-weight: 900;\n}\n.desv-icon-card strong,\n.desv-process-step strong,\n.desv-meter-card strong {\n  display: block;\n  margin-bottom: 6px;\n  color: #102a4c;\n  font-weight: 900;\n}\n.desv-icon-card span,\n.desv-process-step span,\n.desv-meter-card span {\n  display: block;\n  color: #5e6a7d;\n  font-size: 14px;\n  line-height: 1.65;\n}\n.desv-process-step em {\n  display: inline-flex;\n  width: 30px;\n  height: 30px;\n  align-items: center;\n  justify-content: center;\n  margin-bottom: 10px;\n  border-radius: 50%;\n  background: rgba(212, 173, 88, .24);\n  color: #102a4c;\n  font-style: normal;\n  font-weight: 900;\n}\n.desv-meter {\n  display: block;\n  width: 100%;\n  margin: 10px 0 12px;\n  background: rgba(16, 42, 76, .09);\n}\n.desv-meter i {\n  display: block;\n  height: 12px;\n  background: linear-gradient(90deg, #102a4c, #d4ad58);\n}\n.desv-standard-grid {\n  display: grid;\n  grid-template-columns: repeat(5, minmax(0, 1fr));\n  gap: 10px;\n}\n.desv-standard-card {\n  min-width: 0;\n  padding: 14px;\n  border: 1px solid rgba(16, 42, 76, .1);\n  background: rgba(255, 255, 255, .86);\n}\n.desv-standard-card strong {\n  display: block;\n  margin-bottom: 4px;\n  color: #102a4c;\n  font-size: 17px;\n}\n.desv-standard-card em {\n  display: block;\n  margin-bottom: 8px;\n  color: #d4ad58;\n  font-style: normal;\n  font-weight: 900;\n}\n.desv-standard-card span {\n  display: block;\n  color: #5e6a7d;\n  font-size: 14px;\n  line-height: 1.6;\n}\n.desv-standard-note {\n  margin: 16px 0 0;\n  color: #5e6a7d;\n  font-size: 14px;\n  line-height: 1.7;\n}\n.desv-callout {\n  margin: 28px 0;\n  padding: 20px 22px;\n  border: 1px solid rgba(212, 173, 88, .5);\n  background: #fffaf0;\n}\n.desv-callout strong {\n  color: #102a4c;\n}\n@media (max-width: 780px) {\n  .desv-icon-row,\n  .desv-process-row,\n  .desv-meter-row,\n  .desv-standard-grid {\n    grid-template-columns: 1fr;\n  }\n  .desv-article-visual {\n    padding: 20px;\n  }\n}\n<\/style>\n<p class=\"desv-article-summary\"><strong>\u6587\u7ae0\u6458\u8981\uff1a<\/strong>EDT\uff08Early Decay Time\uff0c\u65e9\u671f\u8870\u6e1b\u6642\u9593\uff09\u7528\u4f86\u89c0\u5bdf\u8072\u97f3\u8870\u6e1b\u521d\u671f\u7684\u901f\u5ea6\uff0c\u6bd4 RT60 \u66f4\u63a5\u8fd1\u4eba\u8033\u5c0d\u300c\u4e00\u958b\u59cb\u6b98\u97ff\u611f\u300d\u8207\u7a7a\u9593\u5305\u8986\u611f\u7684\u4e3b\u89c0\u5370\u8c61\u3002<\/p>\n<p>EDT \u662f\u7a7a\u9593\u8072\u5b78\u4e2d\u5e38\u898b\u7684\u6642\u9593\u578b\u6307\u6a19\uff0c\u4e2d\u6587\u5e38\u7a31\u70ba\u300c\u65e9\u671f\u8870\u6e1b\u6642\u9593\u300d\u3002\u5b83\u4e0d\u662f\u55ae\u7d14\u770b\u6574\u6bb5\u6b98\u97ff\u62d6\u591a\u4e45\uff0c\u800c\u662f\u805a\u7126\u5728\u8072\u97f3\u505c\u6b62\u5f8c\u6700\u521d\u4e00\u5c0f\u6bb5\u8870\u6e1b\u66f2\u7dda\u3002\u5c0d\u807d\u773e\u800c\u8a00\uff0c\u8072\u97f3\u525b\u767c\u51fa\u5f8c\u7684\u65e9\u671f\u8870\u6e1b\uff0c\u5f80\u5f80\u6703\u76f4\u63a5\u5f71\u97ff\u7a7a\u9593\u807d\u8d77\u4f86\u662f\u4e7e\u6de8\u3001\u89aa\u8fd1\u3001\u6eab\u6696\uff0c\u9084\u662f\u904e\u65bc\u62d6\u5c3e\u3002<\/p>\n<div class=\"desv-article-visual\">\n<p class=\"desv-article-visual__title\">EDT \u95dc\u6ce8\u8072\u97f3\u525b\u958b\u59cb\u8870\u6e1b\u7684\u901f\u5ea6<\/p>\n<div class=\"desv-process-row\">\n<div class=\"desv-process-step\"><em>1<\/em><strong>\u8072\u97f3\u505c\u6b62<\/strong><span>\u7531\u8072\u6e90\u6216\u6e2c\u8a66\u8a0a\u865f\u505c\u6b62\u5f8c\uff0c\u958b\u59cb\u89c0\u5bdf\u7a7a\u9593\u5167\u80fd\u91cf\u8870\u6e1b\u3002<\/span><\/div>\n<div class=\"desv-process-step\"><em>2<\/em><strong>\u521d\u671f 10 dB<\/strong><span>EDT \u53d6\u8870\u6e1b\u66f2\u7dda\u6700\u65e9\u671f\u7d04 0 \u5230 -10 dB \u7684\u659c\u7387\u3002<\/span><\/div>\n<div class=\"desv-process-step\"><em>3<\/em><strong>\u63db\u7b97 60 dB<\/strong><span>\u5c07\u65e9\u671f\u8870\u6e1b\u659c\u7387\u5916\u63a8\u6210\u7b49\u6548 60 dB \u8870\u6e1b\u6642\u9593\u3002<\/span><\/div>\n<div class=\"desv-process-step\"><em>4<\/em><strong>\u807d\u611f\u5224\u8b80<\/strong><span>\u5354\u52a9\u5224\u65b7\u7a7a\u9593\u4e00\u958b\u59cb\u807d\u8d77\u4f86\u7684\u6b98\u97ff\u611f\u8207\u5305\u8986\u611f\u3002<\/span><\/div>\n<\/div>\n<\/div>\n<h2>EDT \u6578\u503c\u4ee3\u8868\u4ec0\u9ebc\uff1f<\/h2>\n<p>EDT \u7684\u55ae\u4f4d\u901a\u5e38\u70ba\u79d2\u3002\u6578\u503c\u8d8a\u9577\uff0c\u4ee3\u8868\u8072\u97f3\u521d\u671f\u8870\u6e1b\u8f03\u6162\uff0c\u7a7a\u9593\u4e00\u958b\u59cb\u807d\u8d77\u4f86\u53ef\u80fd\u66f4\u6709\u6b98\u97ff\u3001\u5305\u8986\u611f\u6216\u5ef6\u5c55\u611f\uff1b\u6578\u503c\u8d8a\u77ed\uff0c\u5247\u8868\u793a\u521d\u671f\u80fd\u91cf\u6d88\u9000\u8f03\u5feb\uff0c\u8072\u97f3\u8f2a\u5ed3\u901a\u5e38\u8f03\u6e05\u695a\u3001\u4e7e\u6de8\uff0c\u4f46\u4e5f\u53ef\u80fd\u986f\u5f97\u504f\u4e7e\u6216\u7f3a\u5c11\u7a7a\u9593\u611f\u3002<\/p>\n<div class=\"desv-article-visual\">\n<p class=\"desv-article-visual__title\">EDT \u5be6\u52d9\u5224\u8b80\u65b9\u5411<\/p>\n<div class=\"desv-standard-grid\">\n<div class=\"desv-standard-card\"><strong>\u504f\u77ed<\/strong><em>\u4e7e\u6de8\u6e05\u695a<\/em><span>\u8a9e\u97f3\u8f2a\u5ed3\u8f03\u660e\u78ba\uff0c\u4f46\u97f3\u6a02\u7a7a\u9593\u53ef\u80fd\u7f3a\u5c11\u5305\u8986\u8207\u5ef6\u4f38\u3002<\/span><\/div>\n<div class=\"desv-standard-card\"><strong>\u9069\u4e2d<\/strong><em>\u7528\u9014\u5339\u914d<\/em><span>\u6e05\u6670\u5ea6\u8207\u7a7a\u9593\u611f\u8f03\u5e73\u8861\uff0c\u9700\u4f9d\u6559\u5ba4\u3001\u6703\u8b70\u3001\u5c55\u6f14\u7b49\u7528\u9014\u5224\u65b7\u3002<\/span><\/div>\n<div class=\"desv-standard-card\"><strong>\u504f\u9577<\/strong><em>\u6b98\u97ff\u611f\u5f37<\/em><span>\u8072\u97f3\u521d\u671f\u62d6\u5c3e\u660e\u986f\uff0c\u53ef\u80fd\u589e\u52a0\u97f3\u6a02\u6c1b\u570d\uff0c\u4e5f\u53ef\u80fd\u5f71\u97ff\u8a9e\u97f3\u6e05\u695a\u5ea6\u3002<\/span><\/div>\n<div class=\"desv-standard-card\"><strong>\u63a5\u8fd1 RT60<\/strong><em>\u8870\u6e1b\u7a69\u5b9a<\/em><span>\u65e9\u671f\u8207\u6574\u9ad4\u8870\u6e1b\u8da8\u52e2\u76f8\u8fd1\uff0c\u7a7a\u9593\u8072\u80fd\u6d88\u9000\u8f03\u4e00\u81f4\u3002<\/span><\/div>\n<div class=\"desv-standard-card\"><strong>\u5dee\u7570\u904e\u5927<\/strong><em>\u9700\u518d\u6aa2\u67e5<\/em><span>\u53ef\u80fd\u8207\u65e9\u671f\u53cd\u5c04\u3001\u5c40\u90e8\u5438\u97f3\u3001\u8026\u5408\u7a7a\u9593\u6216\u91cf\u6e2c\u4f4d\u7f6e\u6709\u95dc\u3002<\/span><\/div>\n<\/div>\n<p class=\"desv-standard-note\">\u88dc\u5145\uff1aEDT \u6c92\u6709\u4e00\u500b\u9069\u7528\u6240\u6709\u7a7a\u9593\u7684\u56fa\u5b9a\u6a19\u6e96\u503c\u3002\u5224\u8b80\u6642\u61c9\u4f9d\u7a7a\u9593\u7528\u9014\u3001\u9ad4\u7a4d\u3001\u983b\u7387\u5206\u5e03\u3001\u5ea7\u5e2d\u5340\u5dee\u7570\u8207\u91cf\u6e2c\u4f4d\u7f6e\u4e00\u8d77\u8a55\u4f30\u3002<\/p>\n<\/div>\n<h2>EDT \u548c RT60 \u6709\u4ec0\u9ebc\u4e0d\u540c\uff1f<\/h2>\n<p>RT60 \u63cf\u8ff0\u7684\u662f\u8072\u97f3\u6574\u9ad4\u8870\u6e1b 60 dB \u7684\u6642\u9593\uff0c\u5e38\u7528 T20 \u6216 T30 \u7684\u659c\u7387\u5916\u63a8\u4f30\u7b97\uff1bEDT \u5247\u770b\u8870\u6e1b\u66f2\u7dda\u6700\u524d\u6bb5\u7684\u8b8a\u5316\u3002\u7c21\u55ae\u8aaa\uff0cRT60 \u6bd4\u8f03\u50cf\u300c\u6574\u9ad4\u6b98\u97ff\u9577\u5ea6\u300d\uff0cEDT \u5247\u6bd4\u8f03\u8cbc\u8fd1\u807d\u773e\u525b\u807d\u5230\u8072\u97f3\u5f8c\u7684\u4e3b\u89c0\u6b98\u97ff\u5370\u8c61\u3002<\/p>\n<p>\u5728\u7406\u60f3\u4e14\u8870\u6e1b\u66f2\u7dda\u5e73\u9806\u7684\u7a7a\u9593\u88e1\uff0cEDT \u53ef\u80fd\u6703\u63a5\u8fd1 RT60\u3002\u4f46\u5728\u771f\u5be6\u7a7a\u9593\u4e2d\uff0c\u65e9\u671f\u53cd\u5c04\u3001\u821e\u53f0\u53cd\u5c04\u677f\u3001\u5929\u82b1\u9ad8\u5ea6\u3001\u7246\u9762\u5438\u97f3\u914d\u7f6e\u3001\u5ea7\u5e2d\u5206\u5e03\u8207\u64f4\u8072\u7cfb\u7d71\uff0c\u90fd\u53ef\u80fd\u8b93 EDT \u548c RT60 \u51fa\u73fe\u5dee\u7570\u3002\u56e0\u6b64\u53ea\u770b RT60\uff0c\u6709\u6642\u7121\u6cd5\u5b8c\u6574\u8aaa\u660e\u300c\u70ba\u4ec0\u9ebc\u9019\u500b\u7a7a\u9593\u807d\u8d77\u4f86\u6bd4\u8f03\u7cca\u3001\u6bd4\u8f03\u4e7e\uff0c\u6216\u6bd4\u8f03\u6709\u5305\u8986\u611f\u300d\u3002<\/p>\n<h2>EDT \u9069\u5408\u7528\u5728\u54ea\u4e9b\u7a7a\u9593\uff1f<\/h2>\n<ul>\n<li>\u97f3\u6a02\u5ef3\u3001\u5287\u5834\u3001\u6f14\u85dd\u5ef3\u7b49\u91cd\u8996\u7a7a\u9593\u5305\u8986\u611f\u7684\u5c55\u6f14\u7a7a\u9593<\/li>\n<li>\u79ae\u5802\u3001\u8b1b\u5802\u3001\u591a\u529f\u80fd\u5ef3\u7b49\u540c\u6642\u9700\u8981\u8a9e\u97f3\u8207\u97f3\u6a02\u8868\u73fe\u7684\u7a7a\u9593<\/li>\n<li>\u6559\u5ba4\u3001\u6703\u8b70\u5ba4\u8207\u7c21\u5831\u5ba4\u7b49\u9700\u8981\u6aa2\u67e5\u8a9e\u97f3\u6e05\u6670\u5ea6\u7684\u7a7a\u9593<\/li>\n<li>\u9304\u97f3\u5ba4\u3001\u63a7\u5236\u5ba4\u8207\u5f71\u97f3\u5ba4\u7b49\u9700\u8981\u5224\u65b7\u65e9\u671f\u53cd\u5c04\u8207\u6b98\u97ff\u8cea\u611f\u7684\u7a7a\u9593<\/li>\n<\/ul>\n<h2>\u5982\u4f55\u6539\u5584 EDT\uff1f<\/h2>\n<p>\u6539\u5584 EDT \u4e0d\u80fd\u53ea\u9760\u589e\u52a0\u6216\u6e1b\u5c11\u5438\u97f3\u6750\u6599\uff0c\u9084\u9700\u8981\u770b\u65e9\u671f\u53cd\u5c04\u7684\u6642\u9593\u3001\u65b9\u5411\u8207\u80fd\u91cf\u3002\u82e5 EDT \u904e\u9577\uff0c\u53ef\u80fd\u9700\u8981\u63a7\u5236\u904e\u5f37\u7684\u65e9\u671f\u53cd\u5c04\u3001\u589e\u52a0\u9069\u7576\u5438\u97f3\u6216\u8abf\u6574\u5929\u82b1\u8207\u7246\u9762\u6750\u6599\uff1b\u82e5 EDT \u904e\u77ed\uff0c\u5247\u53ef\u80fd\u8981\u4fdd\u7559\u5fc5\u8981\u53cd\u5c04\u9762\u3001\u589e\u52a0\u64f4\u6563\uff0c\u6216\u907f\u514d\u5438\u97f3\u914d\u7f6e\u904e\u91cf\u9020\u6210\u7a7a\u9593\u904e\u4e7e\u3002<\/p>\n<div class=\"desv-callout\"><strong>\u5be6\u52d9\u5efa\u8b70\uff1a<\/strong>EDT \u9069\u5408\u8207 RT60\u3001C50\u3001C80\u3001STI 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