{"id":15809,"date":"2025-11-10T07:21:19","date_gmt":"2025-11-10T07:21:19","guid":{"rendered":"https:\/\/sistc.com\/?p=15809"},"modified":"2026-06-16T09:30:11","modified_gmt":"2026-06-16T09:30:11","slug":"explore-digital-mems-microphone-array-processing","status":"publish","type":"post","link":"https:\/\/sistc.com\/zh\/explore-digital-mems-microphone-array-processing\/","title":{"rendered":"\u6570\u5b57 MEMS \u9ea6\u514b\u98ce\u9635\u5217\u5904\u7406\u6280\u672f\u6982\u8ff0"},"content":{"rendered":"<h3 class=\"wp-block-heading\">\u5bfc\u8a00<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u968f\u7740\u4eba\u5de5\u667a\u80fd\u6df1\u5165\u65e5\u5e38\u751f\u6d3b\uff0c\u8bed\u97f3\u4ea4\u4e92\u5df2\u6210\u4e3a\u667a\u80fd\u8bbe\u5907\u7684\u5173\u952e\u8981\u7d20\u3002\u4f20\u7edf\u7684\u8fd1\u573a\u8bed\u97f3\u62fe\u53d6\uff08\u5982 \"\u9760\u8fd1\u9ea6\u514b\u98ce\u8bf4\u8bdd\"\uff09\u5df2\u65e0\u6cd5\u6ee1\u8db3\u7528\u6237\u7684\u671f\u671b\u3002\u7528\u6237\u5e0c\u671b\u8bed\u97f3\u6307\u4ee4\u80fd <strong>\u4ece\u51e0\u7c73\u8fdc<\/strong>\u5728 <strong>\u5608\u6742\u73af\u5883<\/strong>\u4ee5\u53ca <strong>\u6709\u591a\u4e2a\u626c\u58f0\u5668<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a\u4e86\u5b9e\u73b0\u8fd9\u4e00\u76ee\u6807\uff0c\u6570\u5b57 MEMS \u9ea6\u514b\u98ce\u9635\u5217\u6280\u672f\u6210\u4e3a\u4e86\u8be5\u7cfb\u7edf\u7684\u6838\u5fc3\u3002 <strong>\u8fdc\u573a\u8bed\u97f3\u4ea4\u4e92<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4eba\u5de5\u667a\u80fd\u8bed\u97f3\u7cfb\u7edf\u4e2d\u7684\u9ea6\u514b\u98ce\u9635\u5217\u4e3a\u4f55\u91cd\u8981<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0e\u5355\u4e2a\u9ea6\u514b\u98ce\u76f8\u6bd4\uff0c\u9ea6\u514b\u98ce\u9635\u5217\u80fd\u591f<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u7a7a\u95f4\u9009\u62e9\u6027<\/strong><br>\u901a\u8fc7\u4f30\u8ba1\u5230\u8fbe\u65b9\u5411 (DoA)\uff0c\u8be5\u8bbe\u5907\u53ef\u4ee5\u589e\u5f3a\u7528\u6237\u7684\u58f0\u97f3\u5e76\u6291\u5236\u4e0d\u9700\u8981\u7684\u65b9\u5411\u3002<\/li>\n\n\n\n<li><strong>\u626c\u58f0\u5668\u8ddf\u8e2a<\/strong><br>\u5373\u4f7f\u4e00\u4e2a\u4eba\u5728\u623f\u95f4\u91cc\u8d70\u52a8\uff0c\u9ea6\u514b\u98ce\u9635\u5217\u4e5f\u80fd\u68c0\u6d4b\u5230\u4ed6\u8bf4\u8bdd\u7684\u4f4d\u7f6e\u3002<\/li>\n\n\n\n<li><strong>\u590d\u6742\u73af\u5883\u4e0b\u7684\u5353\u8d8a\u8bed\u97f3\u8d28\u91cf<\/strong><br>\u9635\u5217\u5904\u7406\u5b9e\u73b0\u4e86\u4e09\u7ef4\u65f6\u7a7a\u8fc7\u6ee4\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u6548\u7387\uff1a\n<ul class=\"wp-block-list\">\n<li>\u566a\u97f3\u6291\u5236<\/li>\n\n\n\n<li>\u56de\u58f0\u6d88\u9664<\/li>\n\n\n\n<li>\u6df7\u54cd\u6291\u5236<\/li>\n\n\n\n<li>\u8bed\u97f3\u5206\u79bb<\/li>\n\n\n\n<li>\u58f0\u6e90\u5b9a\u4f4d<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u5982\u9700\u4e86\u89e3 MEMS \u9ea6\u514b\u98ce\u4ea7\u54c1\uff0c\u8bf7\u8bbf\u95ee\uff1a<br><a href=\"https:\/\/sistc.com\/zh\/product-category\/mems-microphone\/\">https:\/\/www.sistc.com\/product-category\/mems-microphone\/<\/a><\/p>\n<\/blockquote>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u63a2\u7d22\u9ea6\u514b\u98ce\u9635\u5217\u6a21\u5757\uff1a<br><a href=\"https:\/\/sistc.com\/zh\/product-category\/sensor-module\/\">https:\/\/www.sistc.com\/product-category\/sensor-module\/<\/a><\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">\u9ea6\u514b\u98ce\u9635\u5217\u5904\u7406\u7684\u6280\u672f\u6311\u6218<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5c3d\u7ba1\u9635\u5217\u4fe1\u53f7\u5904\u7406\u5df2\u5e7f\u6cdb\u5e94\u7528\u4e8e\u96f7\u8fbe\u548c\u58f0\u7eb3\u9886\u57df\uff0c\u4f46\u9ea6\u514b\u98ce\u9635\u5217\u56e0\u58f0\u5b66\u4fe1\u53f7\u7684\u7279\u6027\u800c\u6709\u6240\u4e0d\u540c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1.\u9635\u5217\u5efa\u6a21\uff08\u8fd1\u573a\u4e0e\u8fdc\u573a\uff09<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8bed\u97f3\u62fe\u53d6\u901a\u5e38\u53d1\u751f\u5728 <strong>1-3 \u7c73<\/strong>\u5373 <strong>\u8fd1\u573a<\/strong>.<\/li>\n\n\n\n<li>\u4e0e\u96f7\u8fbe\/\u58f0\u7eb3\u8fdc\u573a\u5e73\u9762\u6ce2\u4e0d\u540c\uff0c\u97f3\u9891\u4fe1\u53f7\u662f <strong>\u7403\u9762\u6ce2<\/strong> \u632f\u5e45\u968f\u8ddd\u79bb\u8870\u51cf\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2.\u5bbd\u5e26\u4fe1\u53f7\u5904\u7406<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8bed\u97f3\u4fe1\u53f7\u5177\u6709\u5929\u7136\u7684\u5bbd\u5e26\u7279\u6027\uff08\u4e30\u5bcc\u7684\u4f4e\u9891\u548c\u9ad8\u9891\uff09\u3002<\/li>\n\n\n\n<li>\u5ef6\u8fdf\u548c\u76f8\u4f4d\u5dee\u968f\u9891\u7387\u53d8\u5316\uff0c\u9700\u8981\u8fdb\u884c\u9891\u57df\u5b50\u6ce2\u6bb5\u5904\u7406\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3.\u975e\u7a33\u6001\u4fe1\u53f7\u5904\u7406<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8bed\u97f3\u662f\u968f\u65f6\u95f4\u53d8\u5316\u7684\u3002<\/li>\n\n\n\n<li>\u9635\u5217\u7b97\u6cd5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u5904\u7406\u4fe1\u53f7 <strong>\u77ed\u65f6\u5085\u7acb\u53f6\u53d8\u6362 (STFT)<\/strong> \u5e76\u5728\u6bcf\u4e2a\u9891\u6bb5\u8fd0\u884c\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">4.\u6df7\u54cd<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53cd\u5c04\u3001\u884d\u5c04\u548c\u591a\u58f0\u9053\u4f1a\u964d\u4f4e\u8bed\u97f3\u6e05\u6670\u5ea6\u3002<\/li>\n\n\n\n<li>\u9700\u8981\u6ce2\u675f\u6210\u5f62\u548c\u53bb\u6df7\u54cd\u7b97\u6cd5\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u58f0\u6e90\u5b9a\u4f4d<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ea6\u514b\u98ce\u9635\u5217\u901a\u8fc7\u5c06\u58f0\u97f3\u4fe1\u53f7\u8f6c\u6362\u4e3a\u7a7a\u95f4\u5750\u6807\uff08\u4e8c\u7ef4\u6216\u4e09\u7ef4\uff09\u6765\u786e\u5b9a\u58f0\u97f3\u7684\u6765\u6e90\u3002\u8fd9\u6837\uff0c\u8bbe\u5907\u5c31\u53ef\u4ee5<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5c06\u6ce2\u675f\u6210\u5f62\u805a\u7126\u4e8e\u626c\u58f0\u5668<\/li>\n\n\n\n<li>\u8ddf\u8e2a\u79fb\u52a8\u626c\u58f0\u5668<\/li>\n\n\n\n<li>\u5c06\u6444\u50cf\u673a\u6216\u673a\u5668\u4eba\u8f6c\u5411\u626c\u58f0\u5668<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6709\u4e24\u79cd\u4f20\u64ad\u6a21\u5f0f\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u6a21\u578b<\/th><th>\u8ddd\u79bb<\/th><th>\u6ce2\u6d6a\u578b<\/th><\/tr><\/thead><tbody><tr><td>\u8fd1\u573a<\/td><td>0-3 \u7c73\uff08\u5178\u578b\u667a\u80fd\u8bbe\u5907\uff09<\/td><td>\u7403\u5f62<\/td><\/tr><tr><td>\u8fdc\u573a<\/td><td>&gt; \u4e34\u754c\u503c\uff1a2L\u00b2\/\u03bb<\/td><td>\u98de\u673a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a<br>L = \u9635\u5217\u5b54\u5f84<br>\u03bb = \u6ce2\u957f<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"641\" height=\"359\" src=\"https:\/\/sistc.com\/wp-content\/uploads\/2025\/11\/Near-field-vs.-Far-field.png\" alt=\"\" class=\"wp-image-15810\" style=\"width:513px;height:auto\" srcset=\"https:\/\/sistc.com\/wp-content\/uploads\/2025\/11\/Near-field-vs.-Far-field.png 641w, https:\/\/sistc.com\/wp-content\/uploads\/2025\/11\/Near-field-vs.-Far-field-300x168.png 300w, https:\/\/sistc.com\/wp-content\/uploads\/2025\/11\/Near-field-vs.-Far-field-18x10.png 18w, https:\/\/sistc.com\/wp-content\/uploads\/2025\/11\/Near-field-vs.-Far-field-600x336.png 600w\" sizes=\"(max-width: 641px) 100vw, 641px\" \/><figcaption class=\"wp-element-caption\">\u8fd1\u573a\u4e0e\u8fdc\u573a<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u58f0\u97f3\u5b9a\u4f4d\u7b97\u6cd5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1.\u6ce2\u675f\u6210\u5f62\uff08\u7a7a\u95f4\u6ee4\u6ce2\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e24\u79cd\u7c7b\u578b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7c7b\u578b<\/th><th>\u8bf4\u660e<\/th><\/tr><\/thead><tbody><tr><td>CBF\uff08\u4f20\u7edf\u6ce2\u675f\u6210\u5f62\uff09<\/td><td>\u5ef6\u8fdf\u6c42\u548c\u6cd5\uff0c\u7b80\u5355\uff0c\u56fa\u5b9a\u6743\u91cd<\/td><\/tr><tr><td>ABF\uff08\u81ea\u9002\u5e94\u6ce2\u675f\u6210\u5f62\uff09<\/td><td>\u81ea\u52a8\u8c03\u8282\u91cd\u91cf\u3001\u6291\u5236\u566a\u97f3\u3001\u6027\u80fd\u66f4\u9ad8<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u81ea\u9002\u5e94\u7b97\u6cd5\u5305\u62ec<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>LMS\uff08\u6700\u5c0f\u5747\u65b9\u5dee\uff09<\/li>\n\n\n\n<li>MVDR \/ LCMV\uff08\u6700\u5c0f\u65b9\u5dee\u65e0\u5931\u771f\u54cd\u5e94\uff09<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3b\u8981\u4f18\u52bf<br>\u6700\u5927\u9650\u5ea6\u5730\u63d0\u9ad8\u626c\u58f0\u5668\u65b9\u5411\u7684\u4fe1\u566a\u6bd4\uff08SNR\uff09\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"638\" height=\"355\" src=\"https:\/\/sistc.com\/wp-content\/uploads\/2025\/11\/CBF-Conventional-Beamforming.png\" alt=\"\" class=\"wp-image-15811\" style=\"width:566px;height:auto\" srcset=\"https:\/\/sistc.com\/wp-content\/uploads\/2025\/11\/CBF-Conventional-Beamforming.png 638w, https:\/\/sistc.com\/wp-content\/uploads\/2025\/11\/CBF-Conventional-Beamforming-300x167.png 300w, https:\/\/sistc.com\/wp-content\/uploads\/2025\/11\/CBF-Conventional-Beamforming-18x10.png 18w, https:\/\/sistc.com\/wp-content\/uploads\/2025\/11\/CBF-Conventional-Beamforming-600x334.png 600w\" sizes=\"(max-width: 638px) 100vw, 638px\" \/><figcaption class=\"wp-element-caption\">      CBF\uff08\u4f20\u7edf\u6ce2\u675f\u6210\u5f62\uff09<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"633\" height=\"355\" src=\"https:\/\/sistc.com\/wp-content\/uploads\/2025\/11\/ABF-Adaptive-Beamforming.png\" alt=\"\" class=\"wp-image-15812\" style=\"width:575px;height:auto\" srcset=\"https:\/\/sistc.com\/wp-content\/uploads\/2025\/11\/ABF-Adaptive-Beamforming.png 633w, https:\/\/sistc.com\/wp-content\/uploads\/2025\/11\/ABF-Adaptive-Beamforming-300x168.png 300w, https:\/\/sistc.com\/wp-content\/uploads\/2025\/11\/ABF-Adaptive-Beamforming-18x10.png 18w, https:\/\/sistc.com\/wp-content\/uploads\/2025\/11\/ABF-Adaptive-Beamforming-600x336.png 600w\" sizes=\"(max-width: 633px) 100vw, 633px\" \/><figcaption class=\"wp-element-caption\">ABF\uff08\u81ea\u9002\u5e94\u6ce2\u675f\u6210\u5f62\uff09<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">2.\u8d85\u5206\u8fa8\u7387\u9891\u8c31\u4f30\u8ba1<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e9b\u7b97\u6cd5\u5305\u62ec<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7b97\u6cd5<\/th><th>\u4f18\u52bf<\/th><\/tr><\/thead><tbody><tr><td>\u97f3\u4e50<\/td><td>\u89e3\u51b3\u591a\u58f0\u6e90\u95ee\u9898<\/td><\/tr><tr><td>ESPRIT<\/td><td>\u65e0\u7269\u7406\u5b54\u5f84\u9650\u5236\u7684\u9ad8\u5206\u8fa8\u7387<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u9002\u7528\u4e8e\u591a\u626c\u58f0\u5668\u73af\u5883\uff0c\u4f46\u5bf9\u6a21\u578b\u8bef\u5dee\u654f\u611f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3.\u57fa\u4e8e TDOA\uff08\u5230\u8fbe\u65f6\u95f4\u5dee\uff09\u7684\u5b9a\u4f4d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>TDOA \u4f30\u8ba1<\/strong><br>\u4f7f\u7528 GCC-PHAT\uff08\u5e26\u76f8\u4f4d\u53d8\u6362\u7684\u5e7f\u4e49\u4ea4\u53c9\u76f8\u5173\u6280\u672f\uff09<br>\u53c2\u8003\u6587\u4ef6\uff08\u7535\u6c14\u548c\u7535\u5b50\u5de5\u7a0b\u5e08\u5b66\u4f1a\uff09\uff1a<br><a href=\"https:\/\/ieeexplore.ieee.org\/document\/506206\" target=\"_blank\" rel=\"noopener\">https:\/\/ieeexplore.ieee.org\/document\/506206<\/a><\/li>\n\n\n\n<li><strong>\u4f4d\u7f6e\u8ba1\u7b97<\/strong><br>\u5229\u7528\u8ddd\u79bb\u5dee\u7684\u51e0\u4f55\u4ea4\u70b9<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f18\u52bf<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53ea\u9700 3 \u4e2a\u9ea6\u514b\u98ce<\/li>\n\n\n\n<li>\u8ba1\u7b97\u6210\u672c\u4f4e<\/li>\n\n\n\n<li>\u5353\u8d8a\u7684\u5b9e\u65f6\u6027\u80fd<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e7f\u6cdb\u5e94\u7528\u4e8e\u8fdc\u573a\u8bed\u97f3\u4ea7\u54c1\uff08\u667a\u80fd\u626c\u58f0\u5668\u3001\u4f1a\u8bae\u8bbe\u5907\uff09\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u9ea6\u514b\u98ce\u9635\u5217\u6280\u672f\u7684\u672a\u6765<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ea6\u514b\u98ce\u9635\u5217\u5df2\u6210\u4e3a\u667a\u80fd\u97f3\u9891\u548c\u8fdc\u573a\u8bed\u97f3\u6280\u672f\u7684\u57fa\u7840\u3002\u5176\u5e94\u7528\u5305\u62ec<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4eba\u5de5\u667a\u80fd\u8bed\u97f3\u52a9\u624b<\/li>\n\n\n\n<li>\u667a\u80fd\u5bb6\u5c45\u8bbe\u5907<\/li>\n\n\n\n<li>\u89c6\u9891\u4f1a\u8bae<\/li>\n\n\n\n<li>\u670d\u52a1\u673a\u5668\u4eba<\/li>\n\n\n\n<li>\u6c7d\u8f66\u8bed\u97f3\u4ea4\u4e92<\/li>\n\n\n\n<li>\u53ef\u7a7f\u6234\u8bbe\u5907\u548c\u52a9\u542c\u5668<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u672a\u6765\u7684\u8d8b\u52bf\u662f <strong>\u8de8\u6a21\u6001\u878d\u5408<\/strong>\u7ed3\u5408\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8bed\u97f3\u8bc6\u522b<\/li>\n\n\n\n<li>\u56fe\u50cf\u8bc6\u522b<\/li>\n\n\n\n<li>\u9762\u90e8\u548c\u624b\u52bf\u8ddf\u8e2a<\/li>\n\n\n\n<li>\u6ce2\u675f\u6210\u5f62\u548c\u8bed\u97f3\u5b9a\u4f4d<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u97f3\u9891\u548c\u89c6\u89c9\u76f8\u4e92\u914d\u5408\u65f6\uff0c\u8bbe\u5907\u624d\u80fd\u771f\u6b63\u5b9e\u73b0\u667a\u80fd\u5316\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8fdb\u4e00\u6b65\u4e86\u89e3 MEMS \u9ea6\u514b\u98ce\u9635\u5217<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u63a2\u7d22 SISTC MEMS \u9ea6\u514b\u98ce\uff1a<br><a href=\"https:\/\/sistc.com\/zh\/product-category\/mems-microphone\/\">https:\/\/www.sistc.com\/product-category\/mems-microphone\/<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u63a2\u7d22\u58f0\u5b66\u4f20\u58f0\u5668\u9635\u5217\u6a21\u5757\uff1a<br><a href=\"https:\/\/sistc.com\/zh\/product-category\/sensor-module\/\">https:\/\/www.sistc.com\/product-category\/sensor-module\/<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction As artificial intelligence moves deeper into everyday life, voice interaction has become a key element of smart devices. Traditional near-field voice pickup (such as \u201cspeaking close to the mic\u201d) [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_joinchat":[],"footnotes":""},"categories":[103],"tags":[],"class_list":["post-15809","post","type-post","status-publish","format-standard","hentry","category-technical-blog"],"_links":{"self":[{"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/posts\/15809","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/comments?post=15809"}],"version-history":[{"count":1,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/posts\/15809\/revisions"}],"predecessor-version":[{"id":16501,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/posts\/15809\/revisions\/16501"}],"wp:attachment":[{"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/media?parent=15809"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/categories?post=15809"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/tags?post=15809"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}