{"id":16461,"date":"2026-06-16T09:07:34","date_gmt":"2026-06-16T09:07:34","guid":{"rendered":"https:\/\/sistc.com\/?p=16461"},"modified":"2026-06-16T09:07:36","modified_gmt":"2026-06-16T09:07:36","slug":"fpga-acceleration-mems-microphone-array-sound-source-localization","status":"publish","type":"post","link":"https:\/\/sistc.com\/zh\/fpga-acceleration-mems-microphone-array-sound-source-localization\/","title":{"rendered":"\u57fa\u4e8eFPGA\u7684\u6570\u5b57MEMS\u9ea6\u514b\u98ce\u9635\u5217\u5728\u58f0\u6e90\u5b9a\u4f4d\u4e2d\u7684\u52a0\u901f\u5e94\u7528\uff1a\u5173\u952e\u8bbe\u8ba1\u8003\u91cf"},"content":{"rendered":"<h3 class=\"wp-block-heading\">\u5bfc\u8a00<\/h3><p class=\"wp-block-paragraph\">\u5728\u4f4e\u7a7a\u7ecf\u6d4e\u548c\u667a\u6167\u57ce\u5e02\u57fa\u7840\u8bbe\u65bd\u65f6\u4ee3\uff0c\u5b9e\u65f6\u7a7a\u95f4\u611f\u77e5\u5df2\u53d8\u5f97\u81f3\u5173\u91cd\u8981\u3002\u5bf9\u4e8e\u4f4e\u7a7a\u58f0\u5b66\u5256\u9762\u6d4b\u7ed8\u3001\u58f0\u5b66\u6444\u50cf\u6210\u50cf\u548c\u591a\u6e90\u8ffd\u8e2a\u7b49\u4efb\u52a1\u800c\u8a00\uff0c\u91c7\u96c6\u9ad8\u4fdd\u771f\u7a7a\u95f4\u97f3\u9891\u4ec5\u4ec5\u662f\u6210\u529f\u7684\u4e00\u534a\u3002 \u771f\u6b63\u7684\u74f6\u9888\u5728\u4e8e\u5982\u4f55\u4ee5\u8fd1\u4e4e\u96f6\u5ef6\u8fdf\u7684\u65b9\u5f0f\u5904\u7406\u6d77\u91cf\u7684\u9ad8\u9891\u6570\u5b57\u97f3\u9891\u6570\u636e\u6d41\u3002.<\/p><p class=\"wp-block-paragraph\">\u867d\u7136\u4f20\u7edf\u7684\u5fae\u63a7\u5236\u5668\uff08MCU\uff09\u548c\u6807\u51c6\u6570\u5b57\u4fe1\u53f7\u5904\u7406\u5668\uff08DSP\uff09\u96be\u4ee5\u5e94\u5bf9\u9ad8\u5bc6\u5ea6\u4f20\u611f\u5668\u7f51\u683c\u5e26\u6765\u7684\u5de8\u5927\u8ba1\u7b97\u8d1f\u8f7d\uff0c, <strong>\u73b0\u573a\u53ef\u7f16\u7a0b\u95e8\u9635\u5217\uff08FPGA\uff09<\/strong> \u5df2\u6210\u4e3a\u52a0\u901f\u58f0\u6e90\u5b9a\u4f4d\uff08SSL\uff09\u7b97\u6cd5\u7684\u9ec4\u91d1\u6807\u51c6\u3002\u672c\u6587\u63a2\u8ba8\u4e86\u5de5\u7a0b\u5e08\u5728\u6784\u5efa\u57fa\u4e8eFPGA\u52a0\u901f\u7684\u6570\u5b57MEMS\u9ea6\u514b\u98ce\u9635\u5217\u65f6\u5fc5\u987b\u8003\u8651\u7684\u5173\u952e\u786c\u4ef6\u548c\u67b6\u6784\u8bbe\u8ba1\u95ee\u9898\u3002.<\/p><h3 class=\"wp-block-heading\">1. \u6570\u636e\u6444\u53d6\u74f6\u9888\uff1a\u5927\u89c4\u6a21PDM\u89e3\u8c03<\/h3><p class=\"wp-block-paragraph\">\u73b0\u4ee3\u6570\u5b57MEMS\u9ea6\u514b\u98ce\u901a\u5e38\u8f93\u51fa1\u4f4d <strong>\u8109\u51b2\u5bc6\u5ea6\u8c03\u5236\uff08PDM\uff09<\/strong> \u6570\u636e\u6d41\uff0c\u8fd9\u9700\u8981\u9ad8\u9891\u8fc7\u91c7\u6837\u65f6\u949f\uff08\u901a\u5e38\u5728 1 MHz \u81f3 3.072 MHz \u4e4b\u95f4\uff09\u3002.<\/p><ul class=\"wp-block-list\"><li><strong>\u6311\u6218\uff1a<\/strong> \u5f53\u7cfb\u7edf\u6269\u5c55\u81f3 16\u300132 \u6216 64 \u4e2a\u901a\u9053\u65f6\uff0c\u5982\u679c\u8bd5\u56fe\u901a\u8fc7\u6807\u51c6\u4e32\u884c\u5916\u8bbe\u6765\u5904\u7406\u8fd9\u4e9b\u9ad8\u901f\u7684 1 \u4f4d\u6570\u636e\u6d41\uff0cMCU \u6216 DSP \u5c06\u5b8c\u5168\u4e0d\u582a\u91cd\u8d1f\uff0c\u5bfc\u81f4\u6ca1\u6709\u5269\u4f59\u7684\u65f6\u949f\u5468\u671f\u7528\u4e8e\u5b9e\u9645\u7684\u5b9a\u4f4d\u7b97\u6cd5\u3002.<\/li>\n\n<li><strong>FPGA \u89e3\u51b3\u65b9\u6848\uff1a<\/strong> FPGA \u5728\u5927\u89c4\u6a21\u5e76\u884c\u5904\u7406\u65b9\u9762\u8868\u73b0\u51fa\u8272\u3002\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u5b9e\u73b0\u4e13\u7528\u7684 <strong>\u7ea7\u8054\u79ef\u5206-\u68b3\u72b6\uff08CIC\uff09\u6ee4\u6ce2\u5668<\/strong> \u5e76\u5c06FIR\u964d\u91c7\u6837\u6ee4\u6ce2\u5668\u76f4\u63a5\u96c6\u6210\u5230FPGA\u7684\u7ed3\u6784\u4e2d\uff0c\u7528\u4e8e <em>\u6240\u6709\u9891\u9053\u540c\u65f6\u64ad\u653e<\/em>. \u8fd9\u79cd\u786c\u4ef6\u7ea7\u964d\u91c7\u6837\u6280\u672f\u5c06\u539f\u59cb\u76841\u4f4dPDM\u6570\u636e\u8f6c\u6362\u4e3a\u7eaf\u51c0\u768416\u4f4d\u621624\u4f4d\u8109\u51b2\u7f16\u7801\u8c03\u5236\uff08PCM\uff09\u97f3\u9891\uff0c\u91c7\u6837\u7387\u7b26\u5408\u6807\u51c6\u5948\u594e\u65af\u7279\u91c7\u6837\u7387\uff08\u4f8b\u598248 kHz\uff09\uff0c \u4ece\u800c\u5c06100%\u7684\u6ee4\u6ce2\u5f00\u9500\u4ece\u4e3b\u5904\u7406\u5668\u4e2d\u5378\u8f7d\u4e0b\u6765\u3002.<\/li><\/ul><h3 class=\"wp-block-heading\">2. \u5b9e\u73b0\u7eb3\u79d2\u7ea7\u786c\u4ef6\u65f6\u949f\u540c\u6b65<\/h3><p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u65f6\u5dee\u5b9a\u4f4d\uff08TDOA\uff09\u6216\u5e7f\u4e49\u4e92\u76f8\u5173\uff08GCC-PHAT\uff09\u7b49\u7a7a\u95f4\u5b9a\u4f4d\u7b97\u6cd5\u800c\u8a00\uff0c\u65f6\u95f4\u7cbe\u5ea6\u81f3\u5173\u91cd\u8981\u3002\u4e24\u4e2a\u97f3\u9891\u901a\u9053\u4e4b\u95f4\u54ea\u6015\u662f\u5fae\u5c0f\u7684\u65f6\u5e8f\u6296\u52a8\uff0c\u4e5f\u4f1a\u5bfc\u81f4\u4f30\u8ba1\u7684\u5230\u8fbe\u89d2\u4ea7\u751f\u51e0\u5ea6\u7684\u504f\u5dee\u3002.<\/p><ul class=\"wp-block-list\"><li><strong>\u65f6\u949f\u5206\u914d\uff1a<\/strong> \u5728\u57fa\u4e8eFPGA\u7684\u8bbe\u8ba1\u4e2d\uff0c\u5fc5\u987b\u901a\u8fc7\u957f\u5ea6\u5339\u914d\u7684PCB\u8d70\u7ebf\uff0c\u5c06\u5355\u4e00\u7684\u96c6\u4e2d\u5f0f\u4e3b\u65f6\u949f\uff08MCLK\uff09\u4f20\u8f93\u81f3\u6240\u6709\u6570\u5b57MEMS\u9ea6\u514b\u98ce\u3002.<\/li>\n\n<li><strong>\u540c\u6b65\u91c7\u6837\uff1a<\/strong> \u7531\u4e8eFPGA\u662f\u901a\u8fc7\u786c\u4ef6\u95e8\u6765\u5904\u7406\u5916\u8bbe\u63a5\u53e3\uff0c\u800c\u975e\u901a\u8fc7\u987a\u5e8f\u8f6f\u4ef6\u6267\u884c\u5faa\u73af\uff0c\u56e0\u6b64\u5b83\u80fd\u591f\u7cbe\u786e\u5730\u5728\u540c\u4e00\u65f6\u949f\u6cbf\u6355\u83b7\u6240\u6709\u901a\u9053\u7684\u6570\u636e\u7ebf\u3002\u8fd9\u5b9e\u73b0\u4e86\u771f\u6b63\u7684\u7eb3\u79d2\u7ea7\u540c\u65f6\u91c7\u6837\uff0c\u5f7b\u5e95\u6d88\u9664\u4e86\u9ad8\u901a\u9053\u77e9\u9635\u4e2d\u56e0\u8f6f\u4ef6\u7f13\u51b2\u5668\u5f15\u8d77\u7684\u6296\u52a8\u548c\u76f8\u4f4d\u6f02\u79fb\u3002.<\/li><\/ul><h3 class=\"wp-block-heading\">3. \u7b97\u6cd5\u52a0\u901f\uff1a\u5b9a\u70b9FFT\u4e0e\u6ce2\u675f\u6210\u5f62<\/h3><p class=\"wp-block-paragraph\">\u4e00\u65e6\u97f3\u9891\u6570\u636e\u88ab\u4e0b\u91c7\u6837\u4e3aPCM\u683c\u5f0f\uff0cFPGA\u4fbf\u4f1a\u4f5c\u4e3a\u534f\u5904\u7406\u5668\uff0c\u7528\u4e8e\u52a0\u901f\u8ba1\u7b97\u5bc6\u96c6\u578b\u7684SSL\u5904\u7406\u7ba1\u9053\uff1a<\/p><ul class=\"wp-block-list\"><li><strong>\u5feb\u901f\u5085\u91cc\u53f6\u53d8\u6362\uff08FFT\uff09\uff1a<\/strong> MUSIC\uff08\u591a\u4fe1\u53f7\u5206\u7c7b\uff09\u548cSRP-PHAT\u7b49\u7b97\u6cd5\u5728\u9891\u57df\u4e2d\u8fd0\u884c\u3002 \u5229\u7528\u9ad8\u5ea6\u4f18\u5316\u7684 IP \u6838\uff08\u4f8b\u5982 Xilinx\/AMD Xilinx \u5feb\u901f\u5085\u7acb\u53f6\u53d8\u6362\u6838\uff09\uff0cFPGA \u53ef\u4ee5\u5728\u4e0d\u5230\u4e00\u6beb\u79d2\u7684\u65f6\u95f4\u5185\u6267\u884c\u6570\u5341\u4e2a\u5e76\u884c\u3001\u6d41\u6c34\u7ebf\u7684\u6b63\u5411 FFT \u8fd0\u7b97\u3002.<\/li>\n\n<li><strong>\u5b9a\u70b9\u6570\u4e0e\u6d6e\u70b9\u6570\uff1a<\/strong> \u867d\u7136\u7b97\u6cd5\u901a\u5e38\u5728 MATLAB \u4e2d\u4f7f\u7528\u6d6e\u70b9\u8fd0\u7b97\u8fdb\u884c\u4eff\u771f\uff0c\u4f46\u82e5\u8981\u5c06\u5176\u90e8\u7f72\u5230\u7ecf\u6d4e\u5b9e\u60e0\u7684\u8fb9\u7f18 FPGA \u4e0a\uff0c\u5219\u9700\u8981\u5c06\u5176\u4ed4\u7ec6\u91cf\u5316\u4e3a\u5b9a\u70b9\u8fd0\u7b97\uff08\u4f8b\u5982 24 \u4f4d\u6216 32 \u4f4d\u5b9a\u70b9\uff09\u3002 \u5de5\u7a0b\u5e08\u5fc5\u987b\u5728\u4f4d\u5bbd\u4e0a\u53d6\u5f97\u5e73\u8861\uff0c\u65e2\u8981\u6700\u5927\u5316\u9ea6\u514b\u98ce\u9635\u5217\u7684\u52a8\u6001\u8303\u56f4\uff0c\u53c8\u8981\u8282\u7701FPGA\u7684\u6570\u5b57\u4fe1\u53f7\u5904\u7406\uff08DSP\uff09\u5207\u7247\u8d44\u6e90\u3002.<\/li><\/ul><h3 class=\"wp-block-heading\">4. \u786c\u4ef6\u805a\u7126\uff1aFPGA\u5f00\u53d1\u7684\u7406\u60f3\u6865\u6881<\/h3><p class=\"wp-block-paragraph\">\u4ece\u96f6\u5f00\u59cb\u8bbe\u8ba1\u4e00\u4e2a 64 \u901a\u9053\u6570\u5b57 PDM \u63a5\u53e3\u3001\u7535\u6e90\u7ba1\u7406\u7535\u8def\u548c\u65f6\u949f\u5206\u914d\u7f51\u7edc\uff0c\u9700\u8981\u8017\u8d39\u6570\u6708\u65f6\u95f4\uff0c\u4e14\u7814\u53d1\u8fc7\u7a0b\u98ce\u9669\u9887\u9ad8\u3002\u4e3a\u514b\u670d\u8fd9\u4e9b\u786c\u4ef6\u96be\u9898\uff0c\u65e0\u9521\u7845\u6e90\u79d1\u6280\u6709\u9650\u516c\u53f8\uff08SISTC\uff09\u5f00\u53d1\u4e86\u4e00\u5957\u5de5\u4e1a\u7ea7\u90e8\u7f72\u89e3\u51b3\u65b9\u6848\u3002.<\/p><p class=\"wp-block-paragraph\">SISTC\u7684 <strong><a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/sistc.com\/zh\/product\/sv-ssl64-channel-mems-microphone-array-development-platform\/\">SV-SSL 64\u901a\u9053MEMS\u9ea6\u514b\u98ce\u9635\u5217\u5f00\u53d1\u5e73\u53f0<\/a><\/strong> \u63d0\u4f9b\u4e86\u5b9e\u73b0\u9ad8\u7aefFPGA\u52a0\u901f\u6240\u9700\u7684\u7cbe\u786e\u5e95\u5c42\u786c\u4ef6\u57fa\u7840\u8bbe\u65bd\uff1a<\/p><ul class=\"wp-block-list\"><li><strong>\u539f\u751f\u9ad8\u5bc6\u5ea6\u6570\u5b57\u8f93\u51fa\uff1a<\/strong> \u6700\u591a\u53ef\u5c06 64 \u4e2a\u540c\u6b65\u6570\u5b57 MEMS \u901a\u9053\u76f4\u63a5\u8fde\u63a5\u81f3\u60a8\u7684\u5904\u7406\u80cc\u677f\uff0c\u5f7b\u5e95\u6d88\u9664\u6a21\u62df\u7ea7\u566a\u58f0\u548c\u53c2\u6570\u4e0d\u5339\u914d\u95ee\u9898\u3002.<\/li>\n\n<li><strong>\u786e\u5b9a\u6027\u65f6\u949f\u6811\uff1a<\/strong> \u91c7\u7528\u8d85\u4f4e\u6296\u52a8\u65f6\u949f\u5206\u914d\u6280\u672f\uff0c\u786e\u4fdd\u6bcf\u4e2a\u901a\u9053\u5747\u57fa\u4e8e\u5b8c\u5168\u9501\u5b9a\u7684\u76f8\u4f4d\u53c2\u8003\u8fd0\u884c\uff0c\u4ece\u800c\u6700\u5927\u9650\u5ea6\u5730\u63d0\u5347\u57fa\u4e8eFPGA\u7684TDOA\u548c\u6ce2\u675f\u6210\u5f62\u6a21\u5757\u7684\u7a7a\u95f4\u5206\u8fa8\u7387\u3002.<\/li>\n\n<li><strong>\u65e0\u7f1d\u8fb9\u7f18\u96c6\u6210\uff1a<\/strong> \u4e0e\u9ad8\u6027\u80fdFPGA\u8bc4\u4f30\u5957\u4ef6\u548c\u8fb9\u7f18\u8ba1\u7b97\u6a21\u5757\u5b8c\u7f8e\u642d\u914d\uff0c\u8ba9\u60a8\u7684\u56e2\u961f\u65e0\u9700\u518d\u4e3a\u590d\u6742\u7684\u786c\u4ef6\u8c03\u8bd5\u800c\u5206\u5fc3\uff0c\u800c\u662f\u76f4\u63a5\u4e13\u6ce8\u4e8e\u7b97\u6cd5\u5b9e\u73b0\u3002.<\/li><\/ul><h3 class=\"wp-block-heading\">\u7ed3\u8bba<\/h3><p class=\"wp-block-paragraph\">\u8981\u5229\u7528FPGA\u52a0\u901f\u58f0\u6e90\u5b9a\u4f4d\uff0c\u5fc5\u987b\u5728\u7cbe\u786e\u7684\u786c\u4ef6\u65f6\u949f\u63a7\u5236\u4e0e\u4f18\u5316\u7684\u6570\u5b57\u4fe1\u53f7\u5904\u7406\u67b6\u6784\u4e4b\u95f4\u5b9e\u73b0\u7d27\u5bc6\u914d\u5408\u3002\u901a\u8fc7\u5229\u7528FPGA\u7684\u5e76\u884c\u67b6\u6784\u6765\u5904\u7406\u591a\u901a\u9053\u6570\u5b57PDM\u6570\u636e\uff0c\u5de5\u7a0b\u5e08\u80fd\u591f\u5b9e\u73b0\u524d\u6240\u672a\u6709\u7684\u5ef6\u8fdf\u964d\u4f4e\uff0c\u4ece\u800c\u4e3a\u5b9e\u65f6\u4f4e\u7a7a\u58f0\u5b66\u5256\u9762\u6d4b\u91cf\u548c\u9ad8\u7ea7\u7a7a\u95f4\u5206\u6790\u94fa\u5e73\u9053\u8def\u3002.<\/p><p class=\"wp-block-paragraph\">\u7acb\u5373\u52a0\u901f\u60a8\u7684\u5f00\u53d1\u5468\u671f\uff0c\u5e76\u4f53\u9a8c\u6211\u4eec\u7684\u591a\u6e20\u9053\u6570\u5b57\u5e73\u53f0\uff1a\ud83d\udc49 <strong><a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/sistc.com\/zh\/product\/sv-ssl64-channel-mems-microphone-array-development-platform\/\">SISTC SV-SSL 64\u901a\u9053MEMS\u9ea6\u514b\u98ce\u9635\u5217\u5f00\u53d1\u5e73\u53f0<\/a><\/strong><\/p><h4 class=\"wp-block-heading\">\u6280\u672f\u4e0e\u5b66\u672f\u53c2\u8003\u6587\u732e<\/h4><ol start=\"1\" class=\"wp-block-list\"><li><strong><a href=\"https:\/\/ieeexplore.ieee.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">IEEE Xplore \u6570\u5b57\u56fe\u4e66\u9986<\/a><\/strong> \u2014 \u641c\u7d22\u5173\u4e8e <em>\u201c\u57fa\u4e8eFPGA\u7684\u5b9e\u65f6\u58f0\u6e90\u5b9a\u4f4d\u52a0\u901f\u201d<\/em> \u4e0e <em>\u201c\u9ad8\u5ea6\u5e76\u884c\u5316\u7684CIC\u964d\u91c7\u6837\u6ee4\u6ce2\u5668\u201d<\/em>.<\/li>\n\n<li><strong><a href=\"https:\/\/www.xilinx.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u8d5b\u7075\u601d \/ AMD \u81ea\u9002\u5e94\u8ba1\u7b97<\/a><\/strong> \u2014 \u67e5\u9605\u6709\u5173\u97f3\u9891\u9635\u5217\u4e2d\u6570\u5b57\u4fe1\u53f7\u5904\u7406\u3001\u4f18\u5316\u4e58\u6cd5\u5668\u4ee5\u53ca\u6d6e\u70b9\u5230\u5b9a\u70b9\u91cf\u5316\u6a21\u5757\u7684\u5b98\u65b9\u5e94\u7528\u8bf4\u660e\u3002.<\/li>\n\n<li><strong><a href=\"https:\/\/www.aes.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u97f3\u9891\u5de5\u7a0b\u5b66\u4f1a\uff08AES\uff09<\/a><\/strong> \u2014 \u67e5\u9605\u591a\u901a\u9053\u6570\u5b57\u97f3\u9891\u65f6\u949f\u53ca\u540c\u6b65\u9ad8\u5bc6\u5ea6\u9ea6\u514b\u98ce\u91c7\u6837\u62d3\u6251\u7684\u6280\u672f\u6807\u51c6\u3002.<\/li><\/ol>","protected":false},"excerpt":{"rendered":"<p>\u5f15\u8a00 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