{"id":15918,"date":"2026-01-14T07:37:22","date_gmt":"2026-01-14T07:37:22","guid":{"rendered":"https:\/\/sistc.com\/?p=15918"},"modified":"2026-01-14T07:37:25","modified_gmt":"2026-01-14T07:37:25","slug":"blog-smart-mems-microphone-ultra-low-power-voice-wake-up","status":"publish","type":"post","link":"https:\/\/sistc.com\/zh\/blog-smart-mems-microphone-ultra-low-power-voice-wake-up\/","title":{"rendered":"\u5185\u7f6e\u4eba\u5de5\u667a\u80fd\u7684\u667a\u80fd MEMS \u9ea6\u514b\u98ce\uff1a\u652f\u6301\u8d85\u4f4e\u529f\u8017\u8bed\u97f3\u5524\u9192\u548c\u5173\u952e\u8bcd\u641c\u7d22"},"content":{"rendered":"<h3 class=\"wp-block-heading\">\u5bfc\u8a00\uff1a\u4ece\u58f0\u97f3\u4f20\u611f\u5230\u667a\u80fd\u4ea4\u4e92<\/h3><p>\u968f\u7740\u8bed\u97f3\u754c\u9762\u6210\u4e3a <strong>\u667a\u80fd\u53ef\u7a7f\u6234\u8bbe\u5907\u3001\u7269\u8054\u7f51\u8bbe\u5907\u548c\u59cb\u7ec8\u5728\u7ebf\u7684\u7535\u5b50\u4ea7\u54c1<\/strong>\u73b0\u5728\uff0c\u6211\u4eec\u9762\u4e34\u7684\u6311\u6218\u4e0d\u518d\u4ec5\u4ec5\u662f\u6355\u6349\u58f0\u97f3\uff0c\u800c\u662f <strong>\u672c\u5730\u5904\u7406\u8bed\u97f3\uff0c\u8d85\u4f4e\u529f\u8017<\/strong>.<\/p><p>SISTC\u7684 <strong>WBC-HRA381-M10 \u667a\u80fd MEMS \u9ea6\u514b\u98ce<\/strong> \u4ece <strong>\u65e0\u9521\u7845\u6e90\u79d1\u6280\u6709\u9650\u516c\u53f8\uff08SISTC(\u65e0\u9521\u7845\u6e90\u79d1\u6280\u6709\u9650\u516c\u53f8\uff09<\/strong> \u6574\u5408\u4e86 <strong>\u58f0\u97f3\u4f20\u611f\u3001\u6a21\u62df\u9884\u5904\u7406\u548c\u4eba\u5de5\u667a\u80fd\u63a8\u7406<\/strong> \u96c6\u6210\u5230\u4e00\u4e2a\u7d27\u51d1\u578b\u6a21\u5757\u4e2d\uff0c\u4f7f <strong>\u79bb\u7ebf\u8bed\u97f3\u6d3b\u52a8\u68c0\u6d4b\uff08VAD\uff09<\/strong> \u4e0e <strong>\u5173\u952e\u8bcd\u5b9a\u4f4d (KWS)<\/strong> \u5fae\u74e6\u529f\u7387\u7ea7\u522b\u3002<\/p><p>\u672c\u6587\u63a2\u8ba8\u667a\u80fd MEMS \u9ea6\u514b\u98ce\u5982\u4f55\u91cd\u65b0\u5b9a\u4e49\u4e0b\u4e00\u4ee3\u8fb9\u7f18\u8bbe\u5907\u7684\u8bed\u97f3\u4ea4\u4e92\u3002<\/p><figure class=\"wp-block-image aligncenter size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"714\" height=\"502\" src=\"https:\/\/sistc.com\/wp-content\/uploads\/2025\/12\/Functional-block-diagram.png\" alt=\"\" class=\"wp-image-15902\" style=\"width:562px;height:auto\" srcset=\"https:\/\/sistc.com\/wp-content\/uploads\/2025\/12\/Functional-block-diagram.png 714w, https:\/\/sistc.com\/wp-content\/uploads\/2025\/12\/Functional-block-diagram-300x211.png 300w, https:\/\/sistc.com\/wp-content\/uploads\/2025\/12\/Functional-block-diagram-18x12.png 18w, https:\/\/sistc.com\/wp-content\/uploads\/2025\/12\/Functional-block-diagram-600x422.png 600w\" sizes=\"(max-width: 714px) 100vw, 714px\" \/><\/figure><h3 class=\"wp-block-heading\">\u4ec0\u4e48\u662f\u667a\u80fd MEMS \u9ea6\u514b\u98ce\uff1f<\/h3><p>\u667a\u80fd MEMS \u9ea6\u514b\u98ce\u8d85\u8d8a\u4e86\u4f20\u7edf\u7684\u6a21\u62df\u6216\u6570\u5b57\u9ea6\u514b\u98ce\u3002\u5b83\u96c6\u6210\u4e86<\/p><ul class=\"wp-block-list\"><li>\u5fae\u673a\u7535\u7cfb\u7edf <strong>\u9ad8\u6027\u80fd MEMS \u4f20\u611f\u5668<\/strong><\/li>\n\n<li><strong>\u6a21\u62df\u4fe1\u53f7\u5904\u7406\uff08ASP\uff09<\/strong><\/li>\n\n<li>\u4e00\u4e2a <strong>\u5168\u5929\u5019\u4f4e\u529f\u8017\u795e\u7ecf\u5904\u7406\u5668<\/strong><\/li>\n\n<li>\u5d4c\u5165\u5f0f <strong>\u8bed\u97f3\u667a\u80fd<\/strong><\/li><\/ul><p>\u8fd9\u6837\u5c31\u53ef\u4ee5\u8fdb\u884c\u8bed\u97f3\u68c0\u6d4b\u548c\u5524\u9192\u8bcd\u8bc6\u522b <strong>\u5f53\u5730<\/strong>\u65e0\u9700\u5524\u9192\u4e3b SoC \u6216\u5c06\u97f3\u9891\u53d1\u9001\u5230\u4e91\u7aef\u3002<\/p><p>SISTC\u7684 <strong>WBC-HRA381-M10<\/strong> \u5c31\u662f\u8fd9\u79cd\u65b0\u578b\u667a\u80fd\u58f0\u5b66\u4f20\u611f\u5668\u7684\u4e00\u4e2a\u4ee3\u8868\u3002<\/p><p>\u4e86\u89e3\u6709\u5173 SISTC \u667a\u80fd MEMS \u9ea6\u514b\u98ce\u7684\u66f4\u591a\u4fe1\u606f\uff1a<br><strong>\u5185\u90e8\u94fe\u63a5\uff1a<\/strong> <a href=\"https:\/\/sistc.com\/zh\/product\/smart-mems-microphone\/\">https:\/\/sistc.com\/product\/smart-mems-microphone\/<\/a><\/p><h3 class=\"wp-block-heading\">WBC-HRA381-M10 \u667a\u80fd MEMS \u9ea6\u514b\u98ce\u7684\u4e3b\u8981\u529f\u80fd<\/h3><h4 class=\"wp-block-heading\">\u9ad8\u6027\u80fd\u58f0\u5b66\u524d\u7aef<\/h4><ul class=\"wp-block-list\"><li>\u5305\u88c5\u5c3a\u5bf8 <strong>3.5 \u00d7 2.65 \u00d7 1.0 \u6beb\u7c73<\/strong><\/li>\n\n<li><strong>65 \u5206\u8d1d\u4fe1\u566a\u6bd4<\/strong> \u5b9e\u73b0\u6e05\u6670\u7684\u8bed\u97f3\u6355\u6349<\/li>\n\n<li><strong>127 dB SPL AOP<\/strong>\u9002\u5408\u5608\u6742\u73af\u5883<\/li>\n\n<li>\u7075\u654f\u5ea6\u5bb9\u5dee\uff1a <strong>\u00b11 dB<\/strong><\/li><\/ul><p>\u8fd9\u6837\uff0c\u5373\u4f7f\u5728\u4eba\u5de5\u667a\u80fd\u5904\u7406\u5f00\u59cb\u4e4b\u524d\uff0c\u4e5f\u80fd\u786e\u4fdd\u51fa\u8272\u7684\u97f3\u9891\u8d28\u91cf\u3002<\/p><h4 class=\"wp-block-heading\"> \u5185\u7f6e\u795e\u7ecf\u5904\u7406\u5355\u5143\uff08NPU\uff09<\/h4><p>\u4e0e\u4f20\u7edf\u9ea6\u514b\u98ce\u4e0d\u540c\uff0cWBC-HRA381-M10 \u96c6\u6210\u4e86 <strong>\u53cc\u4eba\u5de5\u667a\u80fd\u5f15\u64ce<\/strong>:<\/p><ul class=\"wp-block-list\"><li><strong>LP-NPU \uff08\u59cb\u7ec8\u8fd0\u884c\uff09<\/strong><ul class=\"wp-block-list\"><li>\u4e8c\u5143\u795e\u7ecf\u7f51\u7edc\uff08BNN\uff09<\/li>\n\n<li>\u8d85\u4f4e\u529f\u8017 <strong>\u8bed\u97f3\u6d3b\u52a8\u68c0\u6d4b (VAD)<\/strong><\/li>\n\n<li>\u59cb\u7ec8\u6d3b\u8dc3\u5728 ~<strong>70 \u00b5A<\/strong><\/li><\/ul><\/li>\n\n<li><strong>\u4e3b NPU<\/strong><ul class=\"wp-block-list\"><li>\u57fa\u4e8e CNN \u7684\u67b6\u6784<\/li>\n\n<li>\u652f\u6301 <strong>\u5173\u952e\u8bcd\u641c\u7d22 (KWS)<\/strong> \u9ad8\u8fbe <strong>30 \u4e2a\u5173\u952e\u8bcd<\/strong><\/li>\n\n<li>\u4ec5\u5728\u9700\u8981\u65f6\u542f\u52a8\uff0c\u4ee5\u6700\u5927\u9650\u5ea6\u5730\u964d\u4f4e\u529f\u8017<\/li><\/ul><\/li><\/ul><p>\u8fd9\u79cd\u5206\u5c42\u5f0f\u4eba\u5de5\u667a\u80fd\u8bbe\u8ba1\u975e\u5e38\u9002\u5408\u4e8e <strong>\u7535\u6c60\u4f9b\u7535\u548c\u59cb\u7ec8\u76d1\u542c\u7684\u8bbe\u5907<\/strong>.<\/p><p><strong>\u5916\u90e8\u53c2\u8003\u8d44\u6599\uff1a<\/strong><br>\u8bed\u97f3\u6d3b\u52a8\u68c0\u6d4b (VAD)\uff1a <a href=\"https:\/\/en.wikipedia.org\/wiki\/Voice_activity_detection\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/en.wikipedia.org\/wiki\/Voice_activity_detection<\/a><br>\u5173\u952e\u8bcd\u641c\u7d22 (KWS)\uff1a <a href=\"https:\/\/en.wikipedia.org\/wiki\/Keyword_spotting\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/en.wikipedia.org\/wiki\/Keyword_spotting<\/a><\/p><h3 class=\"wp-block-heading\">\u8d85\u4f4e\u529f\u8017\u8bed\u97f3\u5524\u9192\u6a21\u5f0f<\/h3><p>\u667a\u80fd MEMS \u9ea6\u514b\u98ce\u652f\u6301\u4e09\u79cd\u667a\u80fd\u5de5\u4f5c\u6a21\u5f0f\uff1a<\/p><h4 class=\"wp-block-heading\">1\ufe0f\u20e3 VAD \u6a21\u5f0f\uff08\u59cb\u7ec8\u4fdd\u6301\u76d1\u542c\u72b6\u6001\uff09<\/h4><ul class=\"wp-block-list\"><li>\u8017\u7535\u91cf~<strong>70 \u00b5A<\/strong><\/li>\n\n<li>\u68c0\u6d4b\u4eba\u58f0\u5b58\u5728<\/li>\n\n<li>\u89e6\u53d1\u4e2d\u65ad\u5524\u9192\u4e3b\u673a MCU<\/li><\/ul><h4 class=\"wp-block-heading\">2\ufe0f\u20e3 KWS \u6a21\u5f0f\uff08\u8fde\u7eed\u8bc6\u522b\uff09<\/h4><ul class=\"wp-block-list\"><li>\u8017\u7535\u91cf~<strong>160 \u00b5A<\/strong><\/li>\n\n<li>\u8fde\u7eed\u5173\u952e\u8bcd\u8bc6\u522b<\/li>\n\n<li>\u57fa\u4e8e\u547d\u4ee4\u7684\u4ea4\u4e92\u7684\u7406\u60f3\u9009\u62e9<\/li><\/ul><h4 class=\"wp-block-heading\">3\ufe0f\u20e3 VAD + KWS \u6df7\u5408\u6a21\u5f0f\uff08\u63a8\u8350\u4f7f\u7528\uff09<\/h4><ul class=\"wp-block-list\"><li>VAD \u4ee5\u8d85\u4f4e\u529f\u7387\u8fde\u7eed\u8fd0\u884c<\/li>\n\n<li>\u53ea\u6709\u5728\u8bed\u97f3\u68c0\u6d4b\u540e\u624d\u4f1a\u89e6\u53d1 KWS<\/li>\n\n<li>\u5b9e\u73b0 <strong>\u6700\u4f73\u529f\u7387\u6027\u80fd\u6bd4<\/strong><\/li><\/ul><p>\u8fd9\u79cd\u67b6\u6784\u5927\u5927\u5ef6\u957f\u4e86\u53ef\u7a7f\u6234\u8bbe\u5907\u548c\u7269\u8054\u7f51\u4ea7\u54c1\u7684\u7535\u6c60\u5bff\u547d\u3002<\/p><h3 class=\"wp-block-heading\">\u8fb9\u7f18\u4eba\u5de5\u667a\u80fd\uff1a\u4e3a\u4ec0\u4e48\u8bbe\u5907\u4e0a\u7684\u8bed\u97f3\u5904\u7406\u5f88\u91cd\u8981\uff1f<\/h3><p>\u8fd0\u884c\u8bed\u97f3\u4eba\u5de5\u667a\u80fd <strong>\u4f20\u611f\u5668\u7ea7\u7684\u672c\u5730<\/strong> \u5e26\u6765\u4e86\u591a\u91cd\u4f18\u52bf\uff1a<\/p><ul class=\"wp-block-list\"><li> <strong>\u5373\u65f6\u54cd\u5e94<\/strong> (\u65e0\u4e91\u5ef6\u8fdf\uff09<\/li>\n\n<li> <strong>\u964d\u4f4e\u7cfb\u7edf\u529f\u8017<\/strong><\/li>\n\n<li> <strong>\u6539\u5584\u9690\u79c1<\/strong> (\u65e0\u97f3\u9891\u6d41\uff09<\/li>\n\n<li> <strong>\u79bb\u7ebf\u64cd\u4f5c<\/strong><\/li><\/ul><p>WBC-HRA381-M10 \u7b49\u667a\u80fd MEMS \u9ea6\u514b\u98ce\u53ef\u5b9e\u73b0 <strong>\u771f\u6b63\u7684\u8fb9\u7f18\u4eba\u5de5\u667a\u80fd<\/strong>\u8fd9\u610f\u5473\u7740\u667a\u80fd\u66f4\u63a5\u8fd1\u7269\u7406\u4e16\u754c\u3002<\/p><p><strong>\u5916\u90e8\u53c2\u8003\u8d44\u6599\uff1a<\/strong><br>\u8fb9\u7f18\u4eba\u5de5\u667a\u80fd\u6982\u8ff0\uff1a <a href=\"https:\/\/en.wikipedia.org\/wiki\/Edge_computing\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/en.wikipedia.org\/wiki\/Edge_computing<\/a><\/p><h3 class=\"wp-block-heading\">\u5178\u578b\u5e94\u7528<\/h3><p>WBC-HRA381-M10 \u667a\u80fd MEMS \u9ea6\u514b\u98ce\u975e\u5e38\u9002\u5408\u7528\u4e8e\uff1a<\/p><ul class=\"wp-block-list\"><li><strong>TWS \u8033\u585e\u548c\u8033\u673a<\/strong><\/li>\n\n<li><strong>\u667a\u80fd\u624b\u8868\u548c\u5065\u8eab\u53ef\u7a7f\u6234\u8bbe\u5907<\/strong><\/li>\n\n<li><strong>AR \/ VR \u773c\u955c<\/strong><\/li>\n\n<li><strong>\u667a\u80fd\u5bb6\u5c45\u8bed\u97f3\u754c\u9762<\/strong><\/li>\n\n<li><strong>\u79fb\u52a8\u8bbe\u5907<\/strong><\/li>\n\n<li><strong>\u59cb\u7ec8\u5728\u7ebf\u7684\u7269\u8054\u7f51\u4f20\u611f\u5668<\/strong><\/li><\/ul><p>\u5176\u7d27\u51d1\u7684\u5c3a\u5bf8\u548c\u8d85\u4f4e\u529f\u8017\u4f7f\u5176\u5bf9\u4ee5\u4e0b\u5e94\u7528\u7279\u522b\u6709\u5438\u5f15\u529b <strong>\u7a7a\u95f4\u53d7\u9650\u7684\u7535\u6c60\u4f9b\u7535\u8bbe\u8ba1<\/strong>.<\/p><h3 class=\"wp-block-heading\">\u7ed3\u8bba\uff1a\u65b0\u4e00\u4ee3\u667a\u80fd\u58f0\u5b66\u4f20\u611f\u5668<\/h3><p>\u901a\u8fc7\u6574\u5408 <strong>\u5fae\u673a\u7535\u7cfb\u7edf\u4f20\u611f\u3001\u6a21\u62df\u9884\u5904\u7406\u548c\u4eba\u5de5\u667a\u80fd\u63a8\u7406<\/strong> \u5c06 <strong>WBC-HRA381-M10 \u667a\u80fd MEMS \u9ea6\u514b\u98ce<\/strong> \u662f\u8bed\u97f3\u754c\u9762\u8bbe\u8ba1\u7684\u4e00\u5927\u8fdb\u6b65\u3002<\/p><p>\u5bf9\u4e8e\u5e0c\u671b\u5b9e\u73b0\u4ee5\u4e0b\u529f\u80fd\u7684\u4ea7\u54c1\u5f00\u53d1\u4eba\u5458\u6765\u8bf4 <strong>\u59cb\u7ec8\u4fdd\u6301\u8bed\u97f3\u4ea4\u4e92\uff0c\u5c06\u5bf9\u529f\u8017\u7684\u5f71\u54cd\u964d\u81f3\u6700\u4f4e<\/strong>\u667a\u80fd MEMS \u9ea6\u514b\u98ce\u4e0d\u518d\u662f\u53ef\u6709\u53ef\u65e0\u7684\uff0c\u800c\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002<\/p><p>\ud83d\udc49 <strong>\u6d4f\u89c8\u4ea7\u54c1\u9875\u9762\uff1a<\/strong><br><a href=\"https:\/\/sistc.com\/zh\/product\/smart-mems-microphone\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/sistc.com\/product\/smart-mems-microphone\/<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>\u5bfc\u8a00\uff1a\u4ece\u58f0\u97f3\u4f20\u611f\u5230\u667a\u80fd\u4ea4\u4e92 \u968f\u7740\u8bed\u97f3\u754c\u9762\u6210\u4e3a\u667a\u80fd\u53ef\u7a7f\u6234\u8bbe\u5907\u3001\u7269\u8054\u7f51\u8bbe\u5907\u548c\u59cb\u7ec8\u5728\u7ebf\u7535\u5b50\u4ea7\u54c1\u7684\u6838\u5fc3\u90e8\u5206\uff0c\u6240\u9762\u4e34\u7684\u6311\u6218\u4e0d\u518d\u4ec5\u4ec5\u662f\u6355\u6349\u58f0\u97f3 [...]<\/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 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