{"id":16011,"date":"2026-03-10T07:01:00","date_gmt":"2026-03-10T07:01:00","guid":{"rendered":"https:\/\/sistc.com\/?p=16011"},"modified":"2026-03-10T07:01:06","modified_gmt":"2026-03-10T07:01:06","slug":"beamforming-microphone-array-with-wbc-mems-microphones","status":"publish","type":"post","link":"https:\/\/sistc.com\/zh\/beamforming-microphone-array-with-wbc-mems-microphones\/","title":{"rendered":"\u4f7f\u7528 SISTC WBC \u7cfb\u5217 MEMS \u9ea6\u514b\u98ce\u7684\u9ad8\u6027\u80fd\u6ce2\u675f\u6210\u5f62\u9ea6\u514b\u98ce\u9635\u5217"},"content":{"rendered":"<h2 class=\"wp-block-heading\">\u6458\u8981<\/h2><p>\u5728\u73b0\u4ee3\u97f3\u9891\u7cfb\u7edf\u4e2d\uff0c\u591a\u9ea6\u514b\u98ce\u9635\u5217\u6b63\u9010\u6e10\u53d6\u4ee3\u5355\u9ea6\u514b\u98ce\u89e3\u51b3\u65b9\u6848\uff0c\u4ee5\u5b9e\u73b0\u5353\u8d8a\u7684\u58f0\u5b66\u6027\u80fd\u5e76\u6539\u5584\u7528\u6237\u4f53\u9a8c\u3002\u4eba\u5de5\u667a\u80fd\u8bed\u97f3\u754c\u9762\u3001\u667a\u80fd\u626c\u58f0\u5668\u3001\u89c6\u9891\u4f1a\u8bae\u7cfb\u7edf\u3001AR\/VR \u8bbe\u5907\u548c\u5de5\u4e1a\u8bed\u97f3\u63a7\u5236\u7b49\u5e94\u7528\u8981\u6c42\u5373\u4f7f\u5728\u5608\u6742\u548c\u6df7\u54cd\u73af\u5883\u4e2d\u4e5f\u80fd\u51c6\u786e\u6355\u6349\u8bed\u97f3\u3002.<\/p><p>\u672c\u6280\u672f\u767d\u76ae\u4e66\u63a2\u8ba8\u4e86\u9ea6\u514b\u98ce\u9635\u5217\u6ce2\u675f\u6210\u5f62\u7684\u539f\u7406\uff0c\u5e76\u6f14\u793a\u4e86\u5982\u4f55 <strong>\u9ad8\u4fe1\u566a\u6bd4 MEMS \u9ea6\u514b\u98ce<\/strong>\u4f8b\u5982 <strong>SISTC WBC\u7cfb\u5217<\/strong>, \u901a\u8fc7\u5c06\u5148\u8fdb\u7684 MEMS \u9ea6\u514b\u98ce\u6280\u672f\u4e0e\u73b0\u4ee3\u6ce2\u675f\u6210\u5f62\u7b97\u6cd5\uff08\u5305\u62ec\u5ef6\u8fdf\u548c\u5dee\u5206\u6ce2\u675f\u6210\u5f62\u548c MVDR\uff09\u76f8\u7ed3\u5408\uff0c\u5de5\u7a0b\u5e08\u4eec\u53ef\u4ee5\u8bbe\u8ba1\u51fa\u5177\u6709\u66f4\u9ad8\u6269\u5c55\u6027\u7684\u9ea6\u514b\u98ce\u9635\u5217\u3002\u901a\u8fc7\u5c06\u5148\u8fdb\u7684 MEMS \u9ea6\u514b\u98ce\u6280\u672f\u4e0e\u73b0\u4ee3\u6ce2\u675f\u6210\u5f62\u7b97\u6cd5\uff08\u5305\u62ec\u5ef6\u8fdf\u548c\u3001\u5dee\u5206\u6ce2\u675f\u6210\u5f62\u548c MVDR\uff09\u76f8\u7ed3\u5408\uff0c\u5de5\u7a0b\u5e08\u53ef\u4ee5\u8bbe\u8ba1\u51fa\u5177\u6709\u66f4\u9ad8\u6307\u5411\u6027\u3001\u66f4\u5bbd\u5e26\u5bbd\u548c\u66f4\u9ad8\u7cfb\u7edf\u7ea7 SNR \u7684\u53ef\u6269\u5c55\u9ea6\u514b\u98ce\u9635\u5217\u3002.<\/p><p>\u4e86\u89e3\u6709\u5173 SISTC \u9ea6\u514b\u98ce\u6280\u672f\u7684\u66f4\u591a\u4fe1\u606f\uff1a<br>MEMS \u9ea6\u514b\u98ce\u4ea7\u54c1\u7ec4\u5408<br><a href=\"https:\/\/sistc.com\/zh\/product-category\/mems-microphone\/\">https:\/\/sistc.com\/product-category\/mems-microphone\/<\/a><\/p><p>\u4f20\u611f\u5668\u548c\u667a\u80fd\u97f3\u9891\u6a21\u5757<br><a href=\"https:\/\/sistc.com\/zh\/product-category\/sensor-module\/\">https:\/\/sistc.com\/product-category\/sensor-module\/<\/a><\/p><h1 class=\"wp-block-heading\">1.\u5bfc\u8a00<\/h1><p>\u5728\u5b9e\u9645\u73af\u5883\u4e2d\u6355\u83b7\u5e72\u51c0\u7684\u97f3\u9891\u4fe1\u53f7\u662f\u4e00\u9879\u6311\u6218\u3002\u4ece\u5b89\u9759\u7684\u4f1a\u8bae\u5ba4\u5230\u62e5\u6324\u7684\u516c\u5171\u573a\u6240\u6216\u53d7\u98ce\u548c\u73af\u5883\u566a\u58f0\u5f71\u54cd\u7684\u5ba4\u5916\u73af\u5883\uff0c\u58f0\u5b66\u6761\u4ef6\u5343\u5dee\u4e07\u522b\u3002.<\/p><p>\u4f20\u7edf <strong>\u5355\u9ea6\u514b\u98ce\u7cfb\u7edf<\/strong> \u65e0\u6cd5\u8f7b\u6613\u533a\u5206\u6240\u9700\u4fe1\u53f7\u548c\u80cc\u666f\u566a\u58f0\u3002\u56e0\u6b64, <strong>\u591a\u9ea6\u514b\u98ce\u9635\u5217\u89e3\u51b3\u65b9\u6848<\/strong> \u5df2\u88ab\u73b0\u4ee3\u97f3\u9891\u8bbe\u5907\u5e7f\u6cdb\u91c7\u7528\u3002.<\/p><p>\u901a\u8fc7\u5c06\u591a\u4e2a\u9ea6\u514b\u98ce\u6309\u7a7a\u95f4\u914d\u7f6e\u6392\u5217\u5e76\u5e94\u7528\u6570\u5b57\u4fe1\u53f7\u5904\u7406\u7b97\u6cd5\uff0c\u9ea6\u514b\u98ce\u9635\u5217\u53ef\u4ee5<\/p><ul class=\"wp-block-list\"><li>\u63d0\u9ad8\u4fe1\u566a\u6bd4 (SNR)<\/li>\n\n<li>\u63d0\u9ad8\u65b9\u5411\u7075\u654f\u5ea6<\/li>\n\n<li>\u6291\u5236\u73af\u5883\u566a\u58f0<\/li>\n\n<li>\u542f\u7528\u7a7a\u95f4\u97f3\u9891\u5904\u7406<\/li><\/ul><p>\u8fd9\u4e9b\u529f\u80fd\u5927\u5927\u63d0\u9ad8\u4e86\u8bed\u97f3\u9a71\u52a8\u7cfb\u7edf\u7684\u6027\u80fd\uff0c\u4f8b\u5982<\/p><ul class=\"wp-block-list\"><li>\u667a\u80fd\u626c\u58f0\u5668<\/li>\n\n<li>\u89c6\u9891\u4f1a\u8bae\u7cfb\u7edf<\/li>\n\n<li>\u6c7d\u8f66\u8bed\u97f3\u52a9\u624b<\/li>\n\n<li>AR\/VR \u97f3\u9891\u7cfb\u7edf<\/li>\n\n<li>\u5de5\u4e1a\u8bed\u97f3\u63a7\u5236\u8bbe\u5907<\/li><\/ul><p>\u9ad8\u6027\u80fd\u9635\u5217\u8981\u6c42\u9ea6\u514b\u98ce\u80fd\u5c06\u4ee5\u4e0b\u529f\u80fd\u7ed3\u5408\u8d77\u6765 <strong>\u4f53\u79ef\u5c0f\u5de7\u3001\u751f\u4ea7\u4e00\u81f4\u6027\u9ad8\u3001\u6570\u5b57\u8f93\u51fa\u548c\u9ad8\u4fe1\u566a\u6bd4<\/strong>.<\/p><h1 class=\"wp-block-heading\">2.\u9ea6\u514b\u98ce\u9635\u5217\u4e2d\u7684 MEMS \u9ea6\u514b\u98ce\u4e0e ECM \u6bd4\u8f83<\/h1><p>\u4ece\u5386\u53f2\u4e0a\u770b\uff0c\u9635\u5217\u8bbe\u8ba1\u4eba\u5458\u4e3b\u8981\u5728\u4e24\u79cd\u4f20\u58f0\u5668\u6280\u672f\u4e4b\u95f4\u505a\u51fa\u9009\u62e9\uff1a<\/p><h3 class=\"wp-block-heading\">\u9a7b\u6781\u4f53\u7535\u5bb9\u5f0f\u9ea6\u514b\u98ce (ECM)<\/h3><p>\u4f18\u52bf<\/p><ul class=\"wp-block-list\"><li>\u9ad8\u4fe1\u566a\u6bd4\u6027\u80fd<\/li><\/ul><p>\u5c40\u9650\u6027\uff1a<\/p><ul class=\"wp-block-list\"><li>\u66f4\u5927\u5c3a\u5bf8<\/li>\n\n<li>\u6a21\u62df\u8f93\u51fa\u9700\u8981\u5916\u90e8 ADC<\/li>\n\n<li>\u8bbe\u5907\u4e0e\u8bbe\u5907\u4e4b\u95f4\u7684\u5dee\u5f02<\/li>\n\n<li>\u6821\u51c6\u590d\u6742\u6027<\/li>\n\n<li>\u96be\u4ee5\u5927\u89c4\u6a21\u5236\u9020<\/li><\/ul><p>\u8fd9\u4e9b\u5c40\u9650\u6027\u4f7f\u5f97 ECM \u89e3\u51b3\u65b9\u6848\u96be\u4ee5\u6269\u5c55\u5230\u73b0\u4ee3\u6d88\u8d39\u7535\u5b50\u4ea7\u54c1\u3002.<\/p><h3 class=\"wp-block-heading\">MEMS \u9ea6\u514b\u98ce<\/h3><p>MEMS \u9ea6\u514b\u98ce\u5177\u6709\u591a\u9879\u4f18\u52bf\uff1a<\/p><ul class=\"wp-block-list\"><li>\u5916\u5f62\u7d27\u51d1<\/li>\n\n<li>\u5353\u8d8a\u7684\u8bbe\u5907\u4e00\u81f4\u6027<\/li>\n\n<li>\u6570\u5b57\u8f93\u51fa\u683c\u5f0f\uff08PDM\u3001I\u00b2S\u3001TDM\uff09<\/li>\n\n<li>\u8868\u9762\u8d34\u88c5\u517c\u5bb9\u6027<\/li>\n\n<li>\u5927\u6279\u91cf\u5236\u9020\u80fd\u529b<\/li><\/ul><p>\u7136\u800c\uff0c\u4f20\u7edf MEMS \u9ea6\u514b\u98ce\u7684\u4fe1\u566a\u6bd4\u6027\u80fd\u53ef\u80fd\u6709\u9650\uff0c\u8fd9\u4f1a\u9650\u5236\u9635\u5217\u5728\u8981\u6c42\u82db\u523b\u7684\u5e94\u7528\u4e2d\u7684\u6027\u80fd\u3002.<\/p><h1 class=\"wp-block-heading\">3.SISTC WBC \u7cfb\u5217 MEMS \u9ea6\u514b\u98ce<\/h1><p>SISTC\u7684 <strong>SISTC WBC \u7cfb\u5217 MEMS \u9ea6\u514b\u98ce<\/strong> \u65e8\u5728\u514b\u670d\u4f20\u7edf MEMS \u89e3\u51b3\u65b9\u6848\u7684\u5c40\u9650\u6027\u3002.<\/p><p>\u4e3b\u8981\u529f\u80fd\u5305\u62ec<\/p><ul class=\"wp-block-list\"><li>\u6700\u591a <strong>80 \u5206\u8d1d\u4fe1\u566a\u6bd4<\/strong><\/li>\n\n<li><strong>146 dB \u58f0\u5b66\u8fc7\u8f7d\u70b9<\/strong><\/li>\n\n<li><strong>24 \u4f4d\u6570\u5b57\u8f93\u51fa<\/strong><\/li>\n\n<li><strong>\u5bbd\u52a8\u6001\u8303\u56f4\u9ad8\u8fbe 132 dB<\/strong><\/li>\n\n<li>\u4f18\u79c0 <strong>\u76f8\u4f4d\u548c\u7075\u654f\u5ea6\u5339\u914d<\/strong><\/li><\/ul><p>\u8fd9\u4e9b\u7279\u6027\u4f7f\u5de5\u7a0b\u5e08\u80fd\u591f\u6784\u5efa\u53ef\u6269\u5c55\u7684\u9ea6\u514b\u98ce\u9635\u5217\uff0c\u5e76\u63d0\u9ad8\u6027\u80fd\u3002.<\/p><p>\u63a2\u7d22 SISTC MEMS \u9ea6\u514b\u98ce\u89e3\u51b3\u65b9\u6848\uff1a<br><a href=\"https:\/\/sistc.com\/zh\/product-category\/mems-microphone\/\">https:\/\/sistc.com\/product-category\/mems-microphone\/<\/a><\/p><p>WBC \u7cfb\u5217\u8fd8\u652f\u6301\u9ad8\u5ea6\u53ef\u6269\u5c55\u7684\u9635\u5217\uff0c\u5141\u8bb8 <strong>\u591a\u4e2a\u9ea6\u514b\u98ce\u5171\u4eab\u6570\u5b57\u63a5\u53e3<\/strong>, \u7b80\u5316\u4e86\u590d\u6742\u97f3\u9891\u8bbe\u5907\u7684\u7cfb\u7edf\u96c6\u6210\u3002.<\/p><h1 class=\"wp-block-heading\">4.\u5229\u7528\u9ea6\u514b\u98ce\u9635\u5217\u5b9e\u73b0\u6307\u5411\u6027<\/h1><p>\u5927\u591a\u6570 MEMS \u9ea6\u514b\u98ce\u90fd\u662f <strong>\u5168\u65b9\u4f4d<\/strong>, \u8fd9\u610f\u5473\u7740\u5b83\u4eec\u80fd\u4ece\u5404\u4e2a\u65b9\u5411\u6355\u6349\u5230\u76f8\u540c\u7684\u58f0\u97f3\u3002.<\/p><p>\u5b9a\u5411\u7075\u654f\u5ea6\u53ef\u5728 <strong>\u7cfb\u7edf\u7ea7<\/strong> \u4f7f\u7528\u9ea6\u514b\u98ce\u9635\u5217.<\/p><p>\u5f53\u591a\u4e2a\u9ea6\u514b\u98ce\u653e\u7f6e\u5728\u4e0d\u540c\u7684\u7a7a\u95f4\u4f4d\u7f6e\u65f6\uff1a<\/p><ul class=\"wp-block-list\"><li>\u58f0\u97f3\u5230\u8fbe\u6bcf\u4e2a\u9ea6\u514b\u98ce\u7684\u65f6\u95f4\u7565\u6709\u4e0d\u540c<\/li>\n\n<li>\u8fd9\u4e9b\u5ef6\u8fdf\u53ef\u4ee5\u901a\u8fc7\u6570\u5b57\u65b9\u5f0f\u5904\u7406<\/li>\n\n<li>\u7cfb\u7edf\u53ef\u4ee5\u5f3a\u5316\u6765\u81ea\u6240\u9700\u65b9\u5411\u7684\u4fe1\u53f7\uff0c\u5e76\u6291\u5236\u5176\u4ed6\u65b9\u5411\u7684\u4fe1\u53f7<\/li><\/ul><p>\u8fd9\u6784\u6210\u4e86 <strong>\u6ce2\u675f\u6210\u5f62\u6280\u672f<\/strong>.<\/p><p>\u9ea6\u514b\u98ce\u9635\u5217\u6ce2\u675f\u6210\u5f62\u4f7f\u7cfb\u7edf\u80fd\u591f<\/p><ul class=\"wp-block-list\"><li>\u5173\u6ce8\u7279\u5b9a\u53d1\u8a00\u4eba<\/li>\n\n<li>\u51cf\u5c11\u80cc\u666f\u566a\u97f3<\/li>\n\n<li>\u8ddf\u8e2a\u79fb\u52a8\u58f0\u6e90<\/li>\n\n<li>\u63d0\u9ad8\u8bed\u97f3\u6e05\u6670\u5ea6<\/li><\/ul><figure class=\"wp-block-image aligncenter size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"773\" height=\"476\" src=\"https:\/\/sistc.com\/wp-content\/uploads\/2026\/03\/Polar-coordinate-graph.png\" alt=\"\" class=\"wp-image-16012\" style=\"width:609px;height:auto\" srcset=\"https:\/\/sistc.com\/wp-content\/uploads\/2026\/03\/Polar-coordinate-graph.png 773w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/03\/Polar-coordinate-graph-300x185.png 300w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/03\/Polar-coordinate-graph-768x473.png 768w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/03\/Polar-coordinate-graph-18x12.png 18w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/03\/Polar-coordinate-graph-600x369.png 600w\" sizes=\"(max-width: 773px) 100vw, 773px\" \/><figcaption class=\"wp-element-caption\">\u6781\u5750\u6807\u56fe\u663e\u793a\u5168\u5411\u54cd\u5e94\uff08a\uff09\u548c\u5b9a\u5411\u54cd\u5e94\uff08b\uff09\uff0c\u76ee\u6807\u4fe1\u53f7\u5728 0 \u5ea6\uff08\u8f74\u5411\uff09\u89d2\uff0c\u5e72\u6270\u4fe1\u53f7\u5728\u5176\u4ed6\u89d2\u5ea6\u3002.<\/figcaption><\/figure><h1 class=\"wp-block-heading\">5.\u6ce2\u675f\u6210\u5f62\u7b97\u6cd5<\/h1><p>\u6ce2\u675f\u6210\u5f62\u901a\u5e38\u5728 <strong>DSP \u6216 SoC<\/strong> \u4f7f\u7528\u5404\u79cd\u4fe1\u53f7\u5904\u7406\u7b97\u6cd5\u3002.<\/p><p>\u6700\u5e38\u7528\u7684\u6ce2\u675f\u6210\u5f62\u7b97\u6cd5\u5305\u62ec<\/p><ul class=\"wp-block-list\"><li>\u5ef6\u8fdf\u548c\u6ce2\u675f\u6210\u5f62<\/li>\n\n<li>\u5dee\u5206\u6ce2\u675f\u6210\u5f62<\/li>\n\n<li>\u6700\u5c0f\u65b9\u5dee\u65e0\u5931\u771f\u54cd\u5e94 (MVDR)<\/li><\/ul><p>\u6bcf\u79cd\u65b9\u6cd5\u5728\u590d\u6742\u6027\u3001\u65b9\u5411\u6027\u548c\u8ba1\u7b97\u8981\u6c42\u65b9\u9762\u90fd\u6709\u4e0d\u540c\u7684\u6743\u8861\u3002.<\/p><h1 class=\"wp-block-heading\">6.\u5ef6\u8fdf\u548c\u6ce2\u675f\u6210\u5f62<\/h1><p>\u5ef6\u8fdf\u4e0e\u548c\u662f\u6700\u7b80\u5355\u7684\u6ce2\u675f\u6210\u5f62\u6280\u672f\u4e4b\u4e00\u3002.<\/p><p>\u6bcf\u4e2a\u9ea6\u514b\u98ce\u4fe1\u53f7\u90fd\u4f1a\u88ab\u5ef6\u8fdf\uff0c\u4ece\u800c\u4f7f\u6765\u81ea\u6240\u9700\u65b9\u5411\u7684\u4fe1\u53f7\u5728\u76f8\u4f4d\u4e0a\u4fdd\u6301\u4e00\u81f4\u3002\u7136\u540e\uff0c\u5bf9\u9f50\u540e\u7684\u4fe1\u53f7\u8fdb\u884c\u6c42\u548c\uff0c\u5728\u589e\u5f3a\u76ee\u6807\u4fe1\u53f7\u7684\u540c\u65f6\uff0c\u90e8\u5206\u6d88\u9664\u6765\u81ea\u5176\u4ed6\u65b9\u5411\u7684\u566a\u97f3\u3002.<\/p><p>\u4f18\u52bf<\/p><ul class=\"wp-block-list\"><li>\u7b80\u5355\u5b9e\u65bd<\/li>\n\n<li>\u5e73\u5766\u7684\u9891\u7387\u54cd\u5e94<\/li>\n\n<li>\u63d0\u9ad8\u7cfb\u7edf\u4fe1\u566a\u6bd4<\/li><\/ul><p>\u5f53\u9ea6\u514b\u98ce\u6570\u91cf\u589e\u52a0\u4e00\u500d\u65f6\uff0c\u7cfb\u7edf\u4fe1\u566a\u6bd4\u901a\u5e38\u4f1a\u63d0\u9ad8\u5927\u7ea6 <strong>3 \u5206\u8d1d<\/strong>.<\/p><p>\u7136\u800c\uff0c\u65b9\u5411\u6027\u662f\u6709\u9650\u7684\uff0c\u79bb\u8f74\u6291\u5236\u968f\u9891\u7387\u800c\u53d8\u5316\u3002.<\/p><figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"757\" height=\"499\" src=\"https:\/\/sistc.com\/wp-content\/uploads\/2026\/03\/Delays-of-microphones-with-different-SNRs-sum-and-delay-system-level-SNR-and-microphone-count.png\" alt=\"\" class=\"wp-image-16013\" style=\"width:427px;height:auto\" srcset=\"https:\/\/sistc.com\/wp-content\/uploads\/2026\/03\/Delays-of-microphones-with-different-SNRs-sum-and-delay-system-level-SNR-and-microphone-count.png 757w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/03\/Delays-of-microphones-with-different-SNRs-sum-and-delay-system-level-SNR-and-microphone-count-300x198.png 300w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/03\/Delays-of-microphones-with-different-SNRs-sum-and-delay-system-level-SNR-and-microphone-count-18x12.png 18w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/03\/Delays-of-microphones-with-different-SNRs-sum-and-delay-system-level-SNR-and-microphone-count-600x396.png 600w\" sizes=\"(max-width: 757px) 100vw, 757px\" \/><figcaption class=\"wp-element-caption\">\u4e0d\u540c\u4fe1\u566a\u6bd4\u4f20\u58f0\u5668\u7684\u5ef6\u8fdf\u3001\u603b\u548c\u5ef6\u8fdf\u7cfb\u7edf\u7ea7\u4fe1\u566a\u6bd4\u548c\u4f20\u58f0\u5668\u6570\u91cf<\/figcaption><\/figure><h1 class=\"wp-block-heading\">7.\u5dee\u5206\u6ce2\u675f\u6210\u5f62<\/h1><p>\u5dee\u5206\u6ce2\u675f\u6210\u5f62\u4f7f\u7528 <strong>\u4f20\u58f0\u5668\u4fe1\u53f7\u4e4b\u95f4\u7684\u5dee\u5f02<\/strong> \u4ee5\u5b9e\u73b0\u5b9a\u5411\u7075\u654f\u5ea6\u3002.<\/p><p>\u4e00\u4e2a\u7b80\u5355\u7684\u53cc\u9ea6\u514b\u98ce\u5dee\u5206\u9635\u5217\u53ef\u4ee5\u4ea7\u751f <strong>\u5fc3\u5f62\u62fe\u97f3\u6a21\u5f0f<\/strong>, \u8fd9\u6837\u53ef\u4ee5\u5927\u5927\u51cf\u5f31\u6765\u81ea\u540e\u65b9\u7684\u58f0\u97f3\u3002.<\/p><p>\u798f\u5229\u5305\u62ec<\/p><ul class=\"wp-block-list\"><li>\u5f3a\u5927\u7684\u79bb\u8f74\u566a\u58f0\u6291\u5236\u80fd\u529b<\/li>\n\n<li>\u66f4\u597d\u7684\u4f4e\u9891\u6307\u5411\u6027<\/li>\n\n<li>\u53ef\u9884\u6d4b\u7684\u5b9a\u5411\u54cd\u5e94<\/li><\/ul><p>\u7136\u800c\uff0c\u5dee\u5206\u6ce2\u675f\u6210\u5f62\u4f1a\u5e26\u6765 <strong>\u9ad8\u901a\u6ee4\u6ce2\u5668\u7279\u6027<\/strong>, \u8fd9\u5c31\u9700\u8981\u5747\u8861\uff0c\u5e76\u53ef\u80fd\u589e\u52a0\u566a\u97f3\u6c34\u5e73\u3002.<\/p><p>\u4f7f\u7528 <strong>\u9ad8 SNR \u9ea6\u514b\u98ce<\/strong>, \u5982 SISTC WBC \u7cfb\u5217\uff0c\u53ef\u51cf\u5c11\u8fd9\u79cd\u9650\u5236\u5e76\u63d0\u9ad8\u7cfb\u7edf\u7684\u6574\u4f53\u6027\u80fd\u3002.<\/p><figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"735\" height=\"266\" src=\"https:\/\/sistc.com\/wp-content\/uploads\/2026\/03\/High-signal-to-noise-ratio-microphones-in-differential-beamforming.png\" alt=\"\" class=\"wp-image-16014\" style=\"width:595px;height:auto\" srcset=\"https:\/\/sistc.com\/wp-content\/uploads\/2026\/03\/High-signal-to-noise-ratio-microphones-in-differential-beamforming.png 735w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/03\/High-signal-to-noise-ratio-microphones-in-differential-beamforming-300x109.png 300w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/03\/High-signal-to-noise-ratio-microphones-in-differential-beamforming-18x7.png 18w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/03\/High-signal-to-noise-ratio-microphones-in-differential-beamforming-600x217.png 600w\" sizes=\"(max-width: 735px) 100vw, 735px\" \/><figcaption class=\"wp-element-caption\">\u4fe1\u566a\u6bd4\u5206\u522b\u4e3a 70dBA \u548c 80dBA \u7684\u9ea6\u514b\u98ce\u5728\u5168\u5411\u548c\u540e\u5dee\u5206\u6ce2\u675f\u6210\u5f62\uff08\u5747\u5e94\u7528\u5747\u8861\uff09\u65f6\u7684\u8f93\u5165\u53c2\u8003\u566a\u58f0\u9891\u8c31\u3002.<\/figcaption><\/figure><h1 class=\"wp-block-heading\">8.\u81ea\u9002\u5e94\u6ce2\u675f\u6210\u5f62\uff08MVDR\uff09<\/h1><p>\u6700\u5c0f\u65b9\u5dee\u65e0\u5931\u771f\u54cd\u5e94\uff08MVDR\uff09\u662f\u4e00\u79cd\u66f4\u5148\u8fdb\u7684\u81ea\u9002\u5e94\u6ce2\u675f\u6210\u5f62\u7b97\u6cd5\u3002.<\/p><p>MVDR \u53ef\u52a8\u6001\u8c03\u6574\u9ea6\u514b\u98ce\u589e\u76ca\u548c\u5ef6\u8fdf\uff0c\u4ee5\u4fbf<\/p><ul class=\"wp-block-list\"><li>\u4fdd\u6301\u5bf9\u76ee\u6807\u4fe1\u53f7\u7684\u7075\u654f\u5ea6<\/li>\n\n<li>\u5c3d\u91cf\u51cf\u5c11\u6765\u81ea\u5176\u4ed6\u65b9\u5411\u7684\u5e72\u6270<\/li><\/ul><p>\u8be5\u7b97\u6cd5\u5206\u6790\u8f93\u5165\u4fe1\u53f7\u5e76\u4f18\u5316\u6ee4\u6ce2\u5668\u53c2\u6570\uff0c\u4ee5\u6291\u5236\u566a\u58f0\u6e90\u3002.<\/p><p>MVDR \u6ce2\u675f\u6210\u5f62\u901a\u5e38\u7528\u4e8e<\/p><ul class=\"wp-block-list\"><li>\u667a\u80fd\u626c\u58f0\u5668<\/li>\n\n<li>\u8bed\u97f3\u52a9\u624b<\/li>\n\n<li>\u7535\u8bdd\u4f1a\u8bae\u7cfb\u7edf<\/li>\n\n<li>\u6c7d\u8f66\u8bed\u97f3\u63a7\u5236<\/li><\/ul><p>\u9ad8 SNR \u9ea6\u514b\u98ce\u53ef\u4e3a\u7b97\u6cd5\u63d0\u4f9b\u66f4\u7eaf\u51c0\u7684\u8f93\u5165\u4fe1\u53f7\uff0c\u4ece\u800c\u663e\u8457\u63d0\u9ad8 MVDR \u6027\u80fd\u3002.<\/p><figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"745\" height=\"553\" src=\"https:\/\/sistc.com\/wp-content\/uploads\/2026\/03\/MVDR-directional-response-at-500Hz.png\" alt=\"\" class=\"wp-image-16015\" style=\"width:461px;height:auto\" srcset=\"https:\/\/sistc.com\/wp-content\/uploads\/2026\/03\/MVDR-directional-response-at-500Hz.png 745w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/03\/MVDR-directional-response-at-500Hz-300x223.png 300w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/03\/MVDR-directional-response-at-500Hz-16x12.png 16w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/03\/MVDR-directional-response-at-500Hz-600x445.png 600w\" sizes=\"(max-width: 745px) 100vw, 745px\" \/><figcaption class=\"wp-element-caption\">500Hz \u65f6\u7684 MVDR \u65b9\u5411\u54cd\u5e94\uff0c\u73af\u5883\u566a\u58f0\u6c34\u5e73\u56fa\u5b9a\uff0c\u4f20\u611f\u5668\u566a\u58f0\u6c34\u5e73\u4e0d\u540c\u3002\u9635\u5217\u51e0\u4f55\u5f62\u72b6\u4e3a\u53cc\u5143\u4ef6\u7aef\u5c04\uff0c\u95f4\u8ddd\u4e3a 21 \u6beb\u7c73\u3002.<\/figcaption><\/figure><h1 class=\"wp-block-heading\">9.\u9ad8\u4fe1\u566a\u6bd4\u9ea6\u514b\u98ce\u5728\u6ce2\u675f\u6210\u5f62\u4e2d\u7684\u91cd\u8981\u6027<\/h1><p>\u9ea6\u514b\u98ce\u81ea\u566a\u58f0\u4f1a\u76f4\u63a5\u5f71\u54cd\u9635\u5217\u6027\u80fd\u3002.<\/p><p>\u9ad8 SNR \u9ea6\u514b\u98ce\u6709\u51e0\u4e2a\u4f18\u70b9\uff1a<\/p><h3 class=\"wp-block-heading\">\u63d0\u9ad8\u7cfb\u7edf\u4fe1\u566a\u6bd4<\/h3><p>\u8f83\u9ad8\u7684\u9ea6\u514b\u98ce\u4fe1\u566a\u6bd4\u53ef\u51cf\u5c11\u5b9e\u73b0\u76ee\u6807\u7cfb\u7edf\u4fe1\u566a\u6bd4\u6240\u9700\u7684\u9ea6\u514b\u98ce\u6570\u91cf\u3002.<\/p><h3 class=\"wp-block-heading\">\u589e\u52a0\u5e26\u5bbd<\/h3><p>\u7d27\u51d1\u7684\u9ea6\u514b\u98ce\u95f4\u8ddd\u65e2\u80fd\u4fdd\u6301\u5b8c\u6574\u7684\u97f3\u9891\u5e26\u5bbd\uff0c\u53c8\u80fd\u4fdd\u6301\u6307\u5411\u6027\u3002.<\/p><h3 class=\"wp-block-heading\">\u589e\u5f3a\u7b97\u6cd5\u6027\u80fd<\/h3><p>MVDR \u7b49\u81ea\u9002\u5e94\u7b97\u6cd5\u4f9d\u8d56\u4e8e\u51c6\u786e\u7684\u4fe1\u53f7\u68c0\u6d4b\u3002\u964d\u4f4e\u9ea6\u514b\u98ce\u566a\u97f3\u53ef\u4ee5\u66f4\u51c6\u786e\u5730\u4f30\u8ba1\u58f0\u97f3\u65b9\u5411\u548c\u566a\u97f3\u7279\u6027\u3002.<\/p><h1 class=\"wp-block-heading\">10.\u8d85\u8d8a\u6ce2\u675f\u6210\u5f62\uff1a\u5b8c\u6574\u7684\u97f3\u9891\u5904\u7406<\/h1><p>\u6ce2\u675f\u6210\u5f62\u901a\u5e38\u4e0e\u5176\u4ed6\u97f3\u9891\u5904\u7406\u6280\u672f\u76f8\u7ed3\u5408\uff0c\u5305\u62ec<\/p><ul class=\"wp-block-list\"><li>\u58f0\u5b66\u56de\u58f0\u6d88\u9664\uff08AEC\uff09<\/li>\n\n<li>\u566a\u97f3\u6291\u5236<\/li>\n\n<li>\u81ea\u9002\u5e94\u5e72\u6270\u6d88\u9664<\/li><\/ul><p>\u8fd9\u4e9b\u6280\u672f\u76f8\u4e92\u914d\u5408\uff0c\u53ef\u4e3a\u901a\u4fe1\u548c\u8bed\u97f3\u8bc6\u522b\u7cfb\u7edf\u63d0\u4f9b\u7eaf\u51c0\u7684\u97f3\u9891\u4fe1\u53f7\u3002.<\/p><p>\u53c2\u8003\u5b9e\u65bd\u8303\u4f8b\uff1a<\/p><p>MathWorks \u6ce2\u675f\u6210\u5f62\u6982\u8ff0<br><a href=\"https:\/\/www.mathworks.com\/help\/phased\/ug\/beamforming-concepts.html\">https:\/\/www.mathworks.com\/help\/phased\/ug\/beamforming-concepts.html<\/a><\/p><p>\u9ad8\u901a\u667a\u80fd\u626c\u58f0\u5668\u53c2\u8003\u8bbe\u8ba1<br><a href=\"https:\/\/w.dspconcepts.com\/reference-designs\/qualcomm-qcs400-smart-speaker-soundbar\">https:\/\/w.dspconcepts.com\/reference-designs\/qualcomm-qcs400-smart-speaker-soundbar<\/a><\/p><p>\u5fb7\u5dde\u4eea\u5668\u58f0\u5b66\u56de\u58f0\u6d88\u9664\u5668<br><a href=\"https:\/\/www.ti.com\/video\/6308400085112\">https:\/\/www.ti.com\/video\/6308400085112<\/a><\/p><h1 class=\"wp-block-heading\">11.\u6ce2\u675f\u6210\u5f62 MEMS \u9ea6\u514b\u98ce\u9635\u5217\u7684\u5e94\u7528<\/h1><p>\u9ad8\u6027\u80fd MEMS \u9ea6\u514b\u98ce\u9635\u5217\u4e3a\u8bb8\u591a\u884c\u4e1a\u63d0\u4f9b\u4e86\u5148\u8fdb\u7684\u97f3\u9891\u529f\u80fd\uff1a<\/p><h3 class=\"wp-block-heading\">\u667a\u80fd\u626c\u58f0\u5668<\/h3><p>\u8fdc\u573a\u8bed\u97f3\u8bc6\u522b\u548c\u5524\u9192\u8bcd\u68c0\u6d4b.<\/p><h3 class=\"wp-block-heading\">\u89c6\u9891\u4f1a\u8bae\u7cfb\u7edf<\/h3><p>\u4f1a\u8bae\u5ba4\u5185\u6e05\u6670\u7684\u8bed\u97f3\u6355\u6349.<\/p><h3 class=\"wp-block-heading\">\u6c7d\u8f66\u8bed\u97f3\u754c\u9762<\/h3><p>\u79fb\u52a8\u8f66\u8f86\u4e2d\u7684\u6297\u566a\u8bed\u97f3\u547d\u4ee4.<\/p><h3 class=\"wp-block-heading\">AR\/VR \u8bbe\u5907<\/h3><p>\u8eab\u4e34\u5176\u5883\u7684\u7a7a\u95f4\u97f3\u9891\u6355\u6349.<\/p><h3 class=\"wp-block-heading\">\u5de5\u4e1a\u8bed\u97f3\u63a7\u5236<\/h3><p>\u53ef\u5728\u5608\u6742\u73af\u5883\u4e2d\u53ef\u9760\u8fd0\u884c\u3002.<\/p><p>\u4e86\u89e3\u96c6\u6210\u5f0f\u667a\u80fd\u97f3\u9891\u786c\u4ef6\u89e3\u51b3\u65b9\u6848\uff1a<br><a href=\"https:\/\/sistc.com\/zh\/product-category\/sensor-module\/\">https:\/\/sistc.com\/product-category\/sensor-module\/<\/a><\/p><h1 class=\"wp-block-heading\">12.\u7ed3\u8bba<\/h1><p>\u9ea6\u514b\u98ce\u9635\u5217\u6ce2\u675f\u6210\u5f62\u5df2\u6210\u4e3a\u8981\u6c42\u5728\u590d\u6742\u58f0\u5b66\u73af\u5883\u4e2d\u53ef\u9760\u6355\u6349\u8bed\u97f3\u7684\u73b0\u4ee3\u97f3\u9891\u7cfb\u7edf\u7684\u5173\u952e\u3002.<\/p><p>\u9ad8\u6027\u80fd\u5fae\u673a\u7535\u7cfb\u7edf\u9ea6\u514b\u98ce\uff0c\u5982 <strong><a href=\"https:\/\/sistc.com\/zh\/product\/digital-mems-microphone\/\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">SISTC WBC\u7cfb\u5217<\/mark><\/a><\/strong>-\u5728\u4ee5\u4e0b\u65b9\u9762\u5b9e\u73b0\u91cd\u5927\u6539\u8fdb<\/p><ul class=\"wp-block-list\"><li>\u65b9\u5411\u6027<\/li>\n\n<li>\u4fe1\u566a\u6bd4<\/li>\n\n<li>\u5e26\u5bbd<\/li>\n\n<li>\u7cfb\u7edf\u53ef\u6269\u5c55\u6027<\/li><\/ul><p>\u8fd9\u4e9b\u9ea6\u514b\u98ce\u4e0e\u5148\u8fdb\u7684\u6ce2\u675f\u6210\u5f62\u7b97\u6cd5\u548c\u73b0\u4ee3\u97f3\u9891\u5904\u7406\u6280\u672f\u76f8\u7ed3\u5408\uff0c\u53ef\u5b9e\u73b0\u4e0b\u4e00\u4ee3\u667a\u80fd\u8bed\u97f3\u8bbe\u5907\u3002.<\/p><p>\u6709\u5173 SISTC \u9ea6\u514b\u98ce\u89e3\u51b3\u65b9\u6848\u548c\u97f3\u9891\u4f20\u611f\u5668\u6a21\u5757\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u8bbf\u95ee\u7f51\u7ad9\uff1a <a href=\"https:\/\/sistc.com\/zh\/\">www.sistc.com<\/a><\/p><h1 class=\"wp-block-heading\">\u53c2\u8003\u8d44\u6599<\/h1><p>[1] M. Suvanto\u3001, <em>MEMS \u9ea6\u514b\u98ce\u624b\u518c<\/em>, Mosomic Oy, 2021.<\/p><p>[2] MathWorks\uff0c\u201c\u6ce2\u675f\u6210\u5f62\u6982\u8ff0\u201d\u3002\u201d<br><a href=\"https:\/\/www.mathworks.com\/help\/phased\/ug\/beamforming-concepts.html\">https:\/\/www.mathworks.com\/help\/phased\/ug\/beamforming-concepts.html<\/a><\/p><p>[3] DSP Concepts\uff0c\u201cQualcomm QCS400 \u667a\u80fd\u626c\u58f0\u5668\/\u97f3\u6761\u53c2\u8003\u8bbe\u8ba1\u201d\u3002\u201d<br><a href=\"https:\/\/w.dspconcepts.com\/reference-designs\/qualcomm-qcs400-smart-speaker-soundbar\">https:\/\/w.dspconcepts.com\/reference-designs\/qualcomm-qcs400-smart-speaker-soundbar<\/a><\/p><p>[4] \u5fb7\u5dde\u4eea\u5668\u516c\u53f8\uff0c\u201c\u58f0\u5b66\u56de\u58f0\u6d88\u9664\u201d\u3002\u201d<br><a href=\"https:\/\/www.ti.com\/video\/6308400085112\">https:\/\/www.ti.com\/video\/6308400085112<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Abstract Multi-microphone arrays are increasingly replacing single-microphone solutions in modern audio systems to achieve superior acoustic performance and improved user experience. Applications such as AI voice interfaces, smart speakers, video [&hellip;]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"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":"","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":[42,1],"tags":[],"class_list":["post-16011","post","type-post","status-publish","format-standard","hentry","category-industry-news","category-company-news"],"aioseo_notices":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>High-Performance Beamforming Microphone Arrays Using SISTC WBC Series MEMS Microphones - SILICON SOURCE<\/title>\n<meta name=\"description\" content=\"Advanced beamforming microphone array design using high-SNR MEMS microphones. 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