{"id":300,"date":"2020-09-23T13:52:06","date_gmt":"2020-09-23T05:52:06","guid":{"rendered":"https:\/\/surroundingsound.isfrom.tw\/?p=300"},"modified":"2021-07-08T05:29:17","modified_gmt":"2021-07-07T21:29:17","slug":"%e6%88%90%e6%b7%b5%e9%ab%98%e4%b8%ad%e6%98%a5%e5%ad%a3%e8%88%9e%e6%9c%83","status":"publish","type":"post","link":"https:\/\/surroundingsound.tw\/zh\/%e6%88%90%e6%b7%b5%e9%ab%98%e4%b8%ad%e6%98%a5%e5%ad%a3%e8%88%9e%e6%9c%83\/","title":{"rendered":"\u6210\u6df5\u9ad8\u4e2d\u6625\u5b63\u821e\u6703"},"content":{"rendered":"<p>&#8220;\u4e4b\u5f8c\u6642\u5e38\u90fd\u6703\u7528\u7db2\u8a8c\u4f86\u505a\u4e00\u4e9b\u8a18\u9304\uff0c\u4f86\u91d0\u6e05\u548c\u66f4\u6e05\u695a\u81ea\u5df1\u7684\u554f\u984c\u8207\u65b9\u5411\uff0c\u6709\u8208\u8da3\u7684\u4eba\u53ef\u4ee5\u95dc\u6ce8\u4e00\u4e0b\uff0c \u4e00\u8d77\u8b8a\u5f37\uff0c\u4e5f\u5e0c\u671b\u6709\u66f4\u591a\u4eba\u53ef\u4ee5\u610f\u8b58\u5230Audio system\u7684\u91cd\u8981\u3002<br \/>\n\u524d\u9762\u6709\u63d0\u5230\u5230\u5e95\u6e2c\u91cf\u9ede\u8a72\u5728\u54ea\u88e1\u5462\uff1f\u7e3d\u662f\u6703\u597d\u5947\uff0c\u4ee5\u9019\u9019\u500b\u9ede\u70ba\u57fa\u6e96\u6e2c\u5230\u7684phase\uff0c\u7a0d\u5fae\u5f80\u65c1\u908a\u79fb\u4e00\u9ede\u7d50\u679c\u5c31\u6539\u8b8a\u4e86\u3002 \u6700\u8fd1\u525b\u597d\u5728\u7814\u7a76 Merlijn van Veen\u5927\u5e2b\u5beb\u5230\u7684\uff0c<br \/>\n\u300eWhere to time align center sub?\u300f<\/p>\n<p>FROM https:\/\/www.merlijnvanveen.nl\/en\/study-hall\/133-where-to-time-align-center-sub<br \/>\n\u5716\u4e2d\u4e3b\u8981\u8aaa\u5230\u5e7e\u500b\u91cd\u9ede\uff0c\u6e2c\u91cf\u9ea5\u514b\u98a8\u653e\u7f6e\u5728\u89c0\u773e\u8033\u6735\u9ad8\u5ea6\u3001\u7136\u5f8c\u4f4d\u65bcMain\u548cSub\u7684\u6c34\u5e73\u7dda\u4e2d\u4f4d\u9ede\u5782\u76f4\u5230\u5730\u677f\u5e73\u9762\u7684\u90a3\u500b\u9ede\uff0c\u5ef6\u4f38\u81f3\u6e2c\u91cf\u9ea5\u514b\u98a8\u3002<br \/>\n\u4eca\u5929\u525b\u597d\u6210\u6df5\u821e\u6703\uff0c\u56e0\u70ba\u5ba2\u6236\u9700\u6c42\uff0c\u9700\u8981\u5e36\u6bd4\u8f03\u591a\u7684\u8a2d\u5099\uff0c\u60f3\u8aaa\u767d\u7528\u767d\u4e0d\u7528\uff0c\u5c31\u62ff\u4e86\u56db\u9846\u96d918\u8d85\u4f4e\u97f3\u4f86\u505a\u4e00\u4e9b\u6e2c\u8a66\uff0c\u5728\u4e00\u500b\u5834\u573040M\uff3820M\u7684\u5834\u5730\uff0c\u8981\u7528\u516d\u984615\u540b\u548c\u56db\u9846SUB\u5176\u5be6\u6709\u883b\u9ad8\u7684\u96e3\u5ea6\uff0c\u5169\u9846\u505aMain\u3001\u5169\u9846\u505aDelay \u3001\u5169\u9846\u662fFront fill\uff0c\u52a0\u4e0a\u5834\u5730\u7684\u5438\u97f3\u4fc2\u6578\u975e\u5e38\u4f4e\uff0c\u96a8\u4fbf\u4e00\u500b\u8072\u97ff\u90fd\u6709\u5f88\u56b4\u91cd\u7684\u53cd\u5c04\uff0c\u5f88\u7c21\u55ae\u7684\u662f\uff0c\u8981\u89e3\u6c7a\u53cd\u5c04\u7684\u7b2c\u4e00\u8981\u7d20\u5c31\u662f\u8b93\u89c0\u773e\u5340\u7684\u6e05\u6670\u5ea6\u63d0\u5347\uff0c\u56e0\u70ba\u4e4b\u524d\u5df2\u7d93\u6709\u5f88\u591a\u7684\u7d93\u9a57\u662f\uff0c\u9ad8\u983b\u5bb9\u6613\u88ab\u906e\u853d\u6389\uff0c\u5f8c\u5340\u7684\u6e05\u4fc2\u5ea6\u5c31\u6703\u5927\u5e45\u4e0b\u964d\uff0c\u56e0\u6b64\u9019\u4e00\u6b21\u5c07Main\u548cDelay \u90fd\u5347\u9ad8\u81f32m5\uff0c\u7136\u5f8c\u89d2\u5ea6\u4e0b\u58d315\u5ea6\uff08\u5982\u4e0b\u5716\uff09\u3002<\/p>\n<p>\u5be6\u969b\u72c0\u6cc1\u4e00<\/p>\n<p>\u5be6\u9ad4\u5716-1<\/p>\n<p>SAD SUB*4 (SUB Horizontal array)<br \/>\n\u7b2c\u4e00\u90e8\u60f3\u505a\u5230\u7684\u662fHorizontal Sub array \uff0c\u4f7f\u7528\uff33.\uff21.\uff24\u7b97\u51fa\u56db\u9846Sub\u9593\u96942.84M\uff0c\u7136\u5f8c\u6700\u5de6\u8207\u6700\u53f3delay 2.34ms \uff0c<br \/>\n\u56db\u9846SUB\u8981\u5728\u9019\u9ebc\u5927\u7684\u5834\u5730\u9054\u5230\u5e73\u5747\u5176\u5be6\u5f88\u6709\u96e3\u5ea6\uff0c\u800c\u56e0\u70ba\u525b\u597d\u821e\u53f0\u662f\u5ef6\u4f38\u53f0\uff0c\u525b\u597d\u88e1\u9762\u7684\u51f9\u6d1e\u5c31\u843d\u5728\u5ef6\u4f38\u53f0\u4e0a\uff0c\u5be6\u969b\u572830m\u7684\u4f4d\u7f6eSUB\u80fd\u91cf\u7684\u78ba\u660e\u986f\u8870\u5f31\uff0c<\/p>\n<p>SAD SUB*8(SUB Horizontal array)<br \/>\n\u5716\u8868\u793a\u5982\u679c\u662f8\u9846SUB\u505a\u7684Horizontal Sub array \u5c0d\u65bc\u6574\u500b40m\u6df1\u5ea6\u7684\u5834\u5730\u6709\u7d55\u4f73\u7684\u80fd\u91cf\u5206\u4f48\uff0c\u4f46\u5f80\u5f80\u5361\u5728\u9810\u7b97\u4ee5\u53ca\u9577\u5b98\u662f\u5426\u559c\u6b61\u9019\u9ebc\u591a\u9846SUB\u51fa\u73fe\u5728\u821e\u53f0\u524d\u3002<\/p>\n<p>Align SUB\/MAIN\/Front fill -1 From Smaart v8 beta<br \/>\nAchieve to align 63hz-125hz \uff0cFront fill delay 4.7ms\u3001\uff2dain L delay 9.6ms<br \/>\n\u5be6\u969b\u72c0\u6cc1\u4e8c\uff0c\u9577\u5b98\u53cd\u61c9\u821e\u53f0\u524d\u4e0d\u60f3\u8981\u6709\u6771\u897f<\/p>\n<p>\u5be6\u9ad4\u5716-2<\/p>\n<p>SUB\u5169\u9846\u5169\u9846\u4e26\u6392\uff0c\u5de6\u53f3\u9593\u96946.5m\uff0c\u5f9e\u5716\u4e2d\u767c\u73fe\uff0c\u5de6\u53f3\u88d9\u64fa\u6709\u5f88\u660e\u986f\u7684Comb filter \uff0c\u5728\u4e2d\u5fc3\u8ef8\u7dda\u4e0a\u7684\u80fd\u91cf\u5341\u5206\u8db3\u5920\u5305\u62ec\u821e\u53f0\u4e0a\u4e2d\u5fc3\u4e5f\u662f\uff0c\u56e0\u6b64\u5bb9\u6613\u5728\u63a7\u53f0\u4f4d\u7f6e\u611f\u89ba\u8d85\u4f4e\u983b\u904e\u591a\uff0c\u800c\u5de6\u53f34M\u6709\u5f88\u660e\u78ba\u7684\u80fd\u91cf\u7f3a\u9677\u3002<\/p>\n<p>Align SUB\/MAIN\/Front fill -2<br \/>\nAchieve to align 63hz-125hz \uff0c<br \/>\nMain LR delay 6.3 ms\u3001Front fill delay 1.5ms<br \/>\n\uff24clay tower \uff0cSmaart impulse response Find Delay 39.6ms\/ 13.58m\uff08By real measurement approximately 13m)<\/p>\n<p>CONCLUSION<\/p>\n<p>\u6574\u500b\u5834\u5730\uff0c\u5be6\u969b\u6e2c\u91cf\u7d50\u679c\uff0c\uff2didas M32 -18dBfs\u6642 a\u52a0\u6b0a 92dB \uff08\u63a7\u53f0\u5340\u96e2\u821e\u53f025\uff2d) \u821e\u53f0\u524d2\uff2d max 96dB\uff0c\u96d6\u7136\u5728\uff2dapp\u6216\u8005SAD\u6240\u6a21\u64ec\u51fa\u4f86\u7684\u80fd\u91cf\u5dee\u8ddd\u90fd\u662f\u8d85\u904e6dB\uff0c\u4f46\u52a0\u4e0a\u73fe\u5834\u7684\u53cd\u5c04\uff0c\u6574\u5834SPL Max\u4e0d\u8d85\u904e6dB\uff0c\u800c\u5834\u5730\u5982\u679c\u662f\u5728\u6236\u5916\u9019\u9ebc\u5927\u7684\u5834\u5730\uff0c\u9019\u516d\u9846\u9ede\u97f3\u6e90\u53ef\u5c31\u771f\u7684\u7121\u80fd\u70ba\u529b\u4e86\u3002\u56e0\u70ba\u9019\u5c31\u6703\u76f8\u5c0d\u63a5\u8fd1\u53cd\u5e73\u65b9\u5b9a\u5f8b\uff0820log x\/m)\u7684\u640d\u8017\uff0c\u7562\u7adfline arrary \u8981\u540a\u5230\u7dda\u9577\u5927\u65bc\u6ce2\u9577\u7684\u6578\u91cf\uff0c\u9810\u7b97\u61c9\u8a72\u883b\u53ef\u89c0\u7684\uff0c\u6700\u5f8c\u883b\u53ef\u60dc\u7684\u5f8c\u4f86On show\u6642SUB\u53ea\u80fd\u63a1\u7528\u5be6\u969b\u72c0\u6cc1\u4e8c\u3002<\/p>\n<p>\u5f88\u591a\u73fe\u5834\u4e5f\u90fd\u5f88\u5e38\u9047\u5230\u9019\u500b\u554f\u984c\uff0c\u5230\u5e95\u6416\u6efe\u5340\u6eff\u6eff\u7684\u89c0\u773e\u6240\u9020\u6210\u7684\u9ad8\u983b\u906e\u853d\u8a72\u600e\u9ebc\u8655\u7406\uff0c\u6211\u60f3\u6700\u597d\u7684\u8655\u7406\u8fa6\u6cd5\u5c31\u662f\u589e\u52a0\u5169\u9846Main 15\u540b\u89d2\u5ea6\u5f80\u5167\uff0c\u53e6\u5916\u5169\u9846\u89d2\u5ea6\u5f80\u5916\uff0c\u53ef\u6e1b\u5c11\u5169\u984615\u540b\u7684Comb filter \uff0c\u9019\u6a23\u6416\u6efe\u5340\u5c31\u53ea\u9700\u8981\u6db5\u84cb2M\u5de6\u53f3\uff0c\u4f46\u5728\u89c0\u773e\u534030m\u5f8c\u6e05\u6670\u5ea6\u5c31\u6703\u5927\u5e45\u4e0b\u964d\uff0c\u5982\u679c\u8981\u5728\u5f4c\u88dc\u5f8c\u65b9\u7684\u8072\u97f3\u80fd\u91cf\uff0c\u5c31\u5f97\u518d\u88dc\u5169\u9846\uff0c\u7e3d\u5171\u53ef\u80fd\u6703\u9700\u8981\u7528\u63899\u9846\u9ede\u97f3\u6e90\uff0c\u7136\u5f8calign \u9846\u5587\u53ed\u7684phase\/time\uff0c\u6216\u8005\u6bd4\u8f03\u6709\u6548\u7387\u7684\u65b9\u5f0f\u662f\u540a\u8d77\u5169\u4e32\u9663\u5217\uff0c\u505a\u597d\u89d2\u5ea6\u53bb\u6db5\u84cbdown \/ near\/far field \uff0c\u4e0d\u80fd\u8b93Front fill\u53bb\u8ca0\u8cac\u592a\u591a\u6392\u7684\u6416\u6efe\u5340\u89c0\u773e\uff0c\u56e0\u70ba\u6416\u6efe\u5340\u7684\u8d85\u4f4e\u983b\u80fd\u91cf\u4e00\u5b9a\u662f\u6700\u96c4\u539a\u5145\u8db3\u7684\uff0c\u5982\u679c\u4e2d\u9ad8\u97f3\u6e05\u6670\u5ea6\u6c92\u6709\u5339\u914d\u597d\u4f4e\u983b\uff0c\u53ef\u80fd\u5c31\u6703\u5c0e\u81f4\u89c0\u773e\u6642\u5e38\u53cd\u61c9\u7684\u8f5f\u3001\u7cca\u3002<\/p>\n<p>\u6d3b\u52d5\u786c\u9ad4\u7d71\u7c4c\uff1a BoomerSquare \u5e03\u83ab\u5275\u610f \u71c8\u5149\u97f3\u97ff\uff1a \u74b0\u97f3\u5c08\u696d\u71c8\u5149\u97f3\u97ff\u6f14\u51fa\u5de5\u7a0b<br \/>\n\u6587\u7ae0\u7de8\u8f2f\uff1a \u674e\u5ba5\u878d \uff08Yolong Li\uff09 \u6f14\u51fa\u5834\u5730\uff1a \u6210\u6df5\u9ad8\u4e2d\u4e94\u6a13\u79ae\u5802 Sound man\/\u821e\u76e3\/lighting designer\uff1a \u674e\u5ba5\u878d \uff08Yolong Li\uff09 \/ \u90ed\u4ee5\u54f2 \u8b1d\u923a\u9e9f \uff08\u8b1d\u5b50\u9321\uff09\/ \u80e1\u5c0f\u767d<br \/>\n&#8220;<\/p>","protected":false},"excerpt":{"rendered":"<p>&#8220;\u4e4b\u5f8c\u6642\u5e38\u90fd\u6703\u7528\u7db2\u8a8c\u4f86\u505a\u4e00\u4e9b\u8a18\u9304\uff0c\u4f86\u91d0\u6e05\u548c\u66f4\u6e05\u695a\u81ea\u5df1\u7684\u554f\u984c\u8207\u65b9\u5411\uff0c\u6709\u8208\u8da3\u7684\u4eba\u53ef\u4ee5\u95dc\u6ce8\u4e00\u4e0b\uff0c \u4e00\u8d77\u8b8a\u5f37\uff0c\u4e5f\u5e0c\u671b\u6709\u66f4\u591a\u4eba\u53ef\u4ee5\u610f\u8b58\u5230Audio system\u7684\u91cd\u8981\u3002<\/p>","protected":false},"author":4,"featured_media":281,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-300","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u6210\u6df5\u9ad8\u4e2d\u6625\u5b63\u821e\u6703 - \u74b0\u97f3\u73fe\u5834 - surrounding sound<\/title>\n<meta name=\"description\" content=\"\u5404\u7a2e\u985e\u578b\u7684\u6210\u767c\u3001\u6bd4\u8cfd\u3001\u5bbf\u71df\uff0c\u6b61\u8fce\u627e\u74b0\u97f3\u3002\u97f3\u6a02\u6f14\u51fa\u3001\u821e\u8e48\u8868\u6f14\u3001\u6232\u5287\u7bc0\u76ee\u90fd\u96e3\u4e0d\u5012\u6211\u5011\uff0c\u6211\u5011\u5404\u5404\u8eab\u7d93\u767e\u5834\uff0c\u5f9e\u767e\u4eba\u5230\u5343\u4eba\u898f\u6a21\u90fd\u6709\u7d93\u9a57\uff0c\u653e\u5fc3\u628a\u4e00\u8f29\u5b50\u4e00\u6b21\u7684\u6210\u767c\u4ea4\u7d66\u6211\u5011\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/surroundingsound.tw\/zh\/\u6210\u6df5\u9ad8\u4e2d\u6625\u5b63\u821e\u6703\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta 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