{"id":16414,"date":"2026-05-28T12:52:02","date_gmt":"2026-05-28T12:52:02","guid":{"rendered":"https:\/\/sistc.com\/?p=16414"},"modified":"2026-05-28T12:53:54","modified_gmt":"2026-05-28T12:53:54","slug":"spatial-acoustic-source-localization-multi-channel-acquisition","status":"publish","type":"post","link":"https:\/\/sistc.com\/zh\/spatial-acoustic-source-localization-multi-channel-acquisition\/","title":{"rendered":"\u5f00\u653e\u5f0f\u7ed3\u6784\u7a7a\u95f4\u58f0\u6e90\u5b9a\u4f4d\u548c\u591a\u901a\u9053\u58f0\u5b66\u91c7\u96c6\u5e73\u53f0\uff1a\u6280\u672f\u6df1\u5ea6\u6316\u6398\u4e0e\u5de5\u7a0b\u5b9e\u8df5"},"content":{"rendered":"<h2 class=\"wp-block-heading\">1.\u5f15\u8a00\uff1a\u667a\u80fd\u4f20\u611f\u65f6\u4ee3\u7684\u58f0\u97f3\u5b9a\u4f4d\u65b0\u8303\u4f8b<\/h2><p class=\"wp-block-paragraph\">\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u548c\u4eba\u5de5\u667a\u80fd\u9886\u57df\uff0c\u6a21\u5f0f\u6b63\u5728\u4ece\u7eaf\u7cb9\u7684\u8ba1\u7b97\u673a\u89c6\u89c9\uff08CV\uff09\u5411\u5148\u8fdb\u7684\u58f0\u5b66\u4eba\u5de5\u667a\u80fd\u8f6c\u53d8\u3002\u867d\u7136\u89c6\u89c9\u7cfb\u7edf\u5728\u8868\u9762\u68c0\u6d4b\u65b9\u9762\u8868\u73b0\u51fa\u8272\uff0c\u4f46\u5b83\u4eec\u4ece\u6839\u672c\u4e0a\u53d7\u5230\u89c6\u7ebf\u969c\u788d\u3001\u7167\u660e\u6761\u4ef6\u548c\u7ed3\u6784\u906e\u6321\u7684\u9650\u5236\u3002<\/p><p class=\"wp-block-paragraph\">\u76f8\u53cd\uff0c\u58f0\u5b66\u4eba\u5de5\u667a\u80fd\u5219\u80fd\u63d0\u4f9b\u5168\u65b9\u4f4d\u3001\u7a7f\u900f\u6027\u7684\u611f\u77e5\u3002\u5b83\u80fd\u8ba9\u7cfb\u7edf\u5728\u51fa\u73b0\u4efb\u4f55\u53ef\u89c1\u53d8\u5f62\u6216\u70ed\u7279\u5f81\u4e4b\u524d\uff0c\u201c\u542c\u5230 \u201d\u673a\u68b0\u9000\u5316\u3001\u5fae\u6469\u64e6\u5dee\u5f02\u548c\u9ad8\u9891\u6c14\u4f53\u6e4d\u6d41\u3002<\/p><pre class=\"wp-block-code\"><code>\u58f0\u5b66\u4e8b\u4ef6] \u2500\u2500\u25ba [\u5ef6\u8fdf\u5230\u8fbe\u65f6\u95f4\uff08TDOA\uff09] \u2500\u2500\u25ba [FPGA \u6ce2\u675f\u6210\u5f62] \u2500\u2500\u25ba [\u5b9e\u65f6\u89c6\u89c9\u53e0\u52a0] \u2500\u2500\u25ba [FPGA \u6ce2\u675f\u6210\u5f62] \u2500\u2500\u25ba [FPGA \u6ce2\u675f\u6210\u5f62] \u2500\u2500\u25ba [\u5b9e\u65f6\u89c6\u89c9\u53e0\u52a0\n<\/code><\/pre><p class=\"wp-block-paragraph\">\u4ece\u4ec5\u4ec5\u68c0\u6d4b\u58f0\u97f3\u5f02\u5e38\u5230\u4e86\u89e3\u5176\u9891\u7387\u7279\u6027\u5e76\u7cbe\u786e\u5b9a\u4f4d\u5176\u4e09\u7ef4\u7a7a\u95f4\u5750\u6807\uff0c\u6784\u6210\u4e86\u7a7a\u95f4\u58f0\u6e90\u5b9a\u4f4d\u7684\u6838\u5fc3\u4ef7\u503c\u4e3b\u5f20\u3002\u7136\u800c\uff0c\u4f20\u7edf\u7684\u5de5\u4e1a\u58f0\u5b66\u6d4b\u91cf\u4eea\u5668\u5386\u6765\u53d7\u5236\u4e8e\u4e09\u4e2a\u74f6\u9888\uff1a <strong>\u50f5\u5316\u3001\u4e0d\u53ef\u914d\u7f6e\u7684\u9ea6\u514b\u98ce\u9635\u5217\u62d3\u6251\u7ed3\u6784\uff0c\u786c\u5c01\u9876\u7684\u4fe1\u9053\u53ef\u6269\u5c55\u6027\uff0c\u4ee5\u53ca\u4e13\u6709\u3001\u5c01\u95ed\u7684\u6570\u636e\u534f\u8bae<\/strong>.<\/p><p class=\"wp-block-paragraph\">\u4e3a\u4e86\u6253\u7834\u8fd9\u4e9b\u6570\u636e\u5b64\u5c9b\uff0c\u672c\u6587\u4ece\u67b6\u6784\u4e0a\u6df1\u5165\u63a2\u8ba8\u4e86\u4e00\u79cd\u65b0\u7684 <strong>\u5f00\u653e\u5f0f\u67b6\u6784\u3001\u591a\u901a\u9053\u58f0\u5b66\u91c7\u96c6\u5e73\u53f0<\/strong>. .\u901a\u8fc7\u5c06\u786c\u4ef6\u91c7\u96c6\u4e0e\u8f6f\u4ef6\u5904\u7406\u5c42\u5206\u79bb\uff0c\u8fd9\u4e9b\u5e73\u53f0\u4e3a\u7a7a\u95f4\u58f0\u5b66\u7ed8\u56fe\u548c\u9884\u6d4b\u6027\u7ef4\u62a4\u5de5\u4f5c\u6d41\u7a0b\u63d0\u4f9b\u4e86\u524d\u6240\u672a\u6709\u7684\u7075\u6d3b\u6027\u3002<\/p><h2 class=\"wp-block-heading\">2.\u7a7a\u95f4\u58f0\u97f3\u5b9a\u4f4d\u7684\u7406\u8bba\u57fa\u7840<\/h2><h3 class=\"wp-block-heading\">2.1 \u6838\u5fc3\u539f\u7406\uff1a\u4e24\u6b65\u5f0f\u5230\u8fbe\u65f6\u95f4\u5dee\uff08TDOA\uff09\u4f18\u5316<\/h3><p class=\"wp-block-paragraph\">\u5728\u73b0\u4ee3\u58f0\u5b66\u5de5\u7a0b\u4e2d\uff0c\u7a7a\u95f4\u5b9a\u4f4d\u6700\u6709\u6548\u7684\u65b9\u6cd5\u662f\u901a\u8fc7\u4e00\u4e2a <strong>\u4e24\u6b65\u6cd5<\/strong>\uff1a\u9996\u5148\u8ba1\u7b97 <strong>\u65f6\u5ef6\u4f30\u8ba1 (TDE)<\/strong> \u79bb\u6563\u4f20\u611f\u5668\u8282\u70b9\u4e4b\u95f4\u7684\u6570\u636e\uff0c\u968f\u540e\u6267\u884c\u4e00\u4e2a <strong>\u51e0\u4f55\u5b9a\u4f4d\u89e3\u7b97\u5668<\/strong>.<\/p><p class=\"wp-block-paragraph\">\u8003\u8651\u4f4d\u4e8e\u672a\u77e5\u7a7a\u95f4\u5750\u6807 $\\mathbf{r}_s = [x_s, y_s, z_s]^T$ \u7684\u58f0\u6e90\u3002\u9635\u5217\u7531 $M$ \u4e2a\u4f20\u58f0\u5668\u7ec4\u6210\uff0c\u5176\u4e2d\u7b2c $i$ \u4e2a\u4f20\u58f0\u5668\u7684\u4f4d\u7f6e\u5b9a\u4e49\u4e3a $\\mathbf{r}_i = [x_i, y_i, z_i]^T$ \u3002\u5047\u8bbe\u5728 $20^\\circ\\text{C}$ \u65f6\u7a7a\u6c14\u4e2d\u7684\u58f0\u901f $c \\approx 343 \\text{ m\/s}$ \u4e3a\u5e38\u6570\uff0c\u5219\u58f0\u6e90\u5230\u7b2c $i$ \u4e2a\u4f20\u58f0\u5668\u7684\u7269\u7406\u8ddd\u79bb $d_i$ \u8868\u793a\u4e3a\uff1a<\/p><p class=\"wp-block-paragraph\">$$d_i = \\|\\mathbf{r}_s - \\mathbf{r}_i\\|_2 = \\sqrt{(x_s - x_i)^2 + (y_s - y_i)^2 + (z_s - z_i)^2}$$<\/p><p class=\"wp-block-paragraph\">$i$ \u4f20\u611f\u5668\u4e0e\u53c2\u8003\u4f20\u611f\u5668\uff08\u901a\u5e38\u662f\u7b2c\u4e00\u4e2a\u9ea6\u514b\u98ce\uff0c$\/mathbf{r}_1$\uff09\u4e4b\u95f4\u7684\u8ddd\u79bb\u5dee $\\Delta d_{i,1}$ \u4e0e\u771f\u6b63\u7684\u5230\u8fbe\u65f6\u95f4\u5dee $\\tau_{i,1}$ \u6210\u6b63\u6bd4\uff1a<\/p><p class=\"wp-block-paragraph\">$$\\Delta d_{i,1} = d_i - d_1 = c \\cdot \\tau_{i,1}$$<\/p><p class=\"wp-block-paragraph\">\u901a\u8fc7\u6355\u6349\u591a\u4e2a\u540c\u6b65\u901a\u9053\uff08$i = 2, 3, \\dots,M$\uff09\u4e0a\u7684 $\\tau_{i,1}$\uff0c\u7cfb\u7edf\u6784\u5efa\u4e86\u4e00\u4e2a\u975e\u7ebf\u6027\u53cc\u66f2\u65b9\u7a0b\u7ec4\u3002\u901a\u8fc7\u6cf0\u52d2\u7ea7\u6570\u5c55\u5f00\u6c42\u89e3\u8fd9\u4e2a\u77e9\u9635\u3001, <a href=\"https:\/\/mathworld.wolfram.com\/LeastSquaresFitting.html\" target=\"_blank\" rel=\"noreferrer noopener\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">\u6700\u5c0f\u4e8c\u4e58\u4f30\u8ba1<\/mark><\/a>, \u6216\u4e8c\u9636\u5706\u9525\u7f16\u7a0b\uff08SOCP\uff09\u5f97\u51fa\u76ee\u6807\u53d1\u5c04\u5668\u7684\u7cbe\u786e\u7a7a\u95f4\u5750\u6807\u3002<\/p><h3 class=\"wp-block-heading\">2.2 \u7b97\u6cd5\u8def\u5f84\uff1aGCC-PHAT \u548c\u5230\u8fbe\u65b9\u5411\uff08DOA\uff09\u4f30\u8ba1<\/h3><p class=\"wp-block-paragraph\">\u5728\u73b0\u5b9e\u4e16\u754c\u7684\u5de5\u4e1a\u73af\u5883\u4e2d\uff0c\u5de5\u5382\u73af\u5883\u566a\u58f0\u548c\u591a\u8def\u5f84\u5ba4\u5185\u6df7\u54cd\u4f1a\u5e26\u6765\u4e25\u91cd\u7684\u76f8\u4f4d\u5931\u771f\uff0c\u7834\u574f\u6807\u51c6\u7684\u4ea4\u53c9\u76f8\u5173\u7cbe\u5ea6\u3002\u4e3a\u4e86\u51cf\u8f7b\u8fd9\u79cd\u60c5\u51b5\uff0c\u6211\u4eec\u91c7\u7528 <strong>\u5e26\u76f8\u4f4d\u53d8\u6362\u7684\u5e7f\u4e49\u4ea4\u53c9\u76f8\u5173\uff08GCC-PHAT\uff09<\/strong> \u5229\u7528\u52a0\u6743\u51fd\u6570\u3002.<\/p><p class=\"wp-block-paragraph\">GCC-PHAT \u6846\u67b6\u5bf9\u4ea4\u53c9\u529f\u7387\u8c31\u5e45\u5ea6\u8fdb\u884c\u5f52\u4e00\u5316\u5904\u7406\uff0c\u5254\u9664\u632f\u5e45\u6ce2\u52a8\uff0c\u4ece\u800c\u5206\u79bb\u51fa\u7eaf\u7cb9\u7684\u76f8\u4f4d\u4fe1\u606f\u3002\u9891\u57df\u516c\u5f0f\u5b9a\u4e49\u5982\u4e0b<\/p><p class=\"wp-block-paragraph\">$$R_{x_1x_2}^{PHAT}(\\tau) = \\int_{-\\infty}^{+\\infty}\\frac{X_1(f)X_2^*(f)}{|X_1(f)X_2^*(f)|} e^{j2\\pi f \\tau} df$$<\/p><p class=\"wp-block-paragraph\">\u5176\u4e2d\uff0c$X_1(f)$ \u548c $X_2(f)$ \u8868\u793a\u4e24\u4e2a\u9ea6\u514b\u98ce\u4fe1\u53f7\u7684\u77ed\u65f6\u5085\u91cc\u53f6\u53d8\u6362 (STFT)\uff0c$*$ \u8868\u793a\u590d\u5171\u8f6d\u3002\u8fd9\u4e00\u5904\u7406\u6b65\u9aa4\u5c06\u4ea4\u53c9\u76f8\u5173\u5cf0\u503c\u7f29\u5c0f\u4e3a\u5c16\u9510\u7684\u4e09\u89d2\u51fd\u6570\uff0c\u5373\u4f7f\u5728\u4f4e\u4fe1\u566a\u6bd4\uff08SNR\uff09\u8bbe\u7f6e\u4e0b\u4e5f\u80fd\u4fdd\u6301\u5fae\u79d2\u7ea7\uff08$\\mu s$\uff09\u7684\u65f6\u95f4\u7cbe\u5ea6\u3002<\/p><p class=\"wp-block-paragraph\">\u5f53\u4e0e\u9ad8\u5bc6\u5ea6\u7f51\u683c\u914d\u5bf9\u65f6\uff0c\u8fd9\u4e9b TDOA \u8f93\u5165\u53ef\u8f93\u5165\u5148\u8fdb\u7684 <a href=\"https:\/\/en.wikipedia.org\/wiki\/Direction_of_arrival\" target=\"_blank\" rel=\"noreferrer noopener\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">\u5230\u8fbe\u65b9\u5411 (DOA)<\/mark><\/a> \u4f8b\u5982\u5e26\u76f8\u4f4d\u53d8\u6362\u7684 Steered-Response Power\uff08SRP-PHAT\uff09\u6216 MUltiple SIgnal Classification\uff08MUSIC\uff09\u7b97\u6cd5\uff0c\u4ee5\u8ffd\u8e2a\u591a\u4e2a\u5e76\u53d1\u58f0\u97f3\u53d1\u5c04\u5668\u7684\u72ec\u7acb\u8def\u5f84\u3002<\/p><h2 class=\"wp-block-heading\">3.\u5f00\u653e\u5f0f\u67b6\u6784\u8303\u4f8b\uff1a\u6d88\u89e3\u58f0\u97f3\u6570\u636e\u5b64\u5c9b<\/h2><p class=\"wp-block-paragraph\">\u4f20\u7edf\u7684\u58f0\u5b66\u6444\u50cf\u673a\u662f\u95ed\u73af\u8bca\u65ad\u5de5\u5177\u3002\u5f00\u653e\u5f0f\u7ed3\u6784\u6a21\u578b\u901a\u8fc7\u5f3a\u8c03\u7ed3\u6784\u6a21\u5757\u5316\u548c\u7528\u6237\u53ef\u7f16\u7a0b\u6027\uff0c\u5b8c\u5168\u91cd\u65b0\u5b9a\u4e49\u4e86\u8fd9\u4e00\u70b9\u3002<\/p><h3 class=\"wp-block-heading\">3.1 \u53ef\u52a8\u6001\u914d\u7f6e\u7684\u9635\u5217\u62d3\u6251\u7ed3\u6784<\/h3><p class=\"wp-block-paragraph\">\u65e0\u8bba\u662f\u90e8\u7f72 <strong>\u7ebf\u6027\u9635\u5217<\/strong> \u5bf9\u4e8e\u9065\u8fdc\u7684\u7ba1\u9053\u8d70\u5eca <strong>\u73af\u5f62\u9635<\/strong> \u7528\u4e8e 360 \u5ea6\u6c34\u5e73\u5b9a\u4f4d\uff0c\u6216\u4e00\u4e2a <strong>\u7403\u9762\u77e9\u9635<\/strong> \u4e3a\u5b9e\u73b0\u5b8c\u6574\u7684\u4e09\u7ef4\u5ea7\u8231\u58f0\u5b66\u6620\u5c04\uff0c\u5f00\u653e\u5f0f\u67b6\u6784\u5e73\u53f0\u5141\u8bb8\u7528\u6237\u901a\u8fc7\u8f6f\u4ef6\u52a8\u6001\u66f4\u65b0\u51e0\u4f55\u5750\u6807\u77e9\u9635\u3002\u672c\u5730\u5316\u5f15\u64ce\u53ef\u5373\u65f6\u8c03\u6574\u5176\u57fa\u7ebf\u77e9\u9635\uff0c\u800c\u65e0\u9700\u91cd\u65b0\u8fdb\u884c\u56fa\u5b9a\u7f16\u7801\u3002<\/p><h3 class=\"wp-block-heading\">3.2 \u9ad8\u5bc6\u5ea6\u5f39\u6027\u901a\u9053\u53ef\u6269\u5c55\u6027<\/h3><p class=\"wp-block-paragraph\">\u5229\u7528\u540c\u6b65\u7ea7\u8054\u603b\u7ebf\u62d3\u6251\u7ed3\u6784\uff0c\u8be5\u5e73\u53f0\u53ef\u4ece\u4e00\u4e2a\u7d27\u51d1\u578b 4 \u901a\u9053\u5d4c\u5165\u5f0f\u6a21\u5757\u7ebf\u6027\u6269\u5c55\u5230\u4e00\u4e2a\u5e9e\u5927\u7684 <strong>128 \u901a\u9053\u6216 256 \u901a\u9053\u9ad8\u5bc6\u5ea6\u9635\u5217<\/strong>. .\u8fd9\u79cd\u5927\u89c4\u6a21\u5e76\u884c\u901a\u9053\u5904\u7406\u80fd\u529b\u4e3a\u8d85\u9ad8\u5206\u8fa8\u7387\u58f0\u5b66\u6444\u50cf\u673a\u63d0\u4f9b\u4e86\u6240\u9700\u7684\u7ed3\u6784\u57fa\u7840\u3002<\/p><h3 class=\"wp-block-heading\">3.3 \u901a\u8fc7\u6807\u51c6 SDK \u5b9e\u73b0\u539f\u59cb\u6570\u636e\u89e3\u8026<\/h3><p class=\"wp-block-paragraph\">\u8be5\u5e73\u53f0\u6ca1\u6709\u5c06\u6570\u636e\u9501\u5b9a\u5728\u4e13\u6709\u683c\u5f0f\u4e0a\uff0c\u800c\u662f\u5728\u5904\u7406\u5750\u6807\u9065\u6d4b\u6570\u636e\u7684\u540c\u65f6\u8f93\u51fa\u672a\u7ecf\u538b\u7f29\u3001\u76f8\u4f4d\u5bf9\u9f50\u7684\u539f\u59cb PCM \u97f3\u9891\u6d41\u3002\u901a\u8fc7\u672c\u5730 C++ \u548c Python SDK\uff0c\u53ef\u4e3a\u5f00\u53d1\u4eba\u5458\u63d0\u4f9b\u5168\u9762\u652f\u6301\uff0c\u786e\u4fdd\u5c06\u6570\u636e\u65e0\u7f1d\u8def\u7531\u5230\u81ea\u5b9a\u4e49\u683c\u5f0f\u4e2d\u3002 <a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/pytorch.org\/\">PyTorch<\/a> \u6df1\u5ea6\u5b66\u4e60\u7ba1\u9053\u3001\u673a\u5668\u4eba\u64cd\u4f5c\u7cfb\u7edf\uff08ROS\uff09\u73af\u5883\u6216\u4f01\u4e1a\u7269\u8054\u7f51\u57fa\u7840\u8bbe\u65bd\u3002<\/p><h2 class=\"wp-block-heading\">4.\u591a\u901a\u9053\u58f0\u5b66\u5e73\u53f0\u7684\u786c\u4ef6\u652f\u67f1<\/h2><p class=\"wp-block-paragraph\">\u8981\u5728\u6076\u52a3\u7684\u5de5\u4e1a\u73af\u5883\u4e2d\u53ef\u9760\u5730\u6355\u6349\u58f0\u6ce2\u573a\uff0c\u5e95\u5c42\u786c\u4ef6\u67b6\u6784\u5fc5\u987b\u5728\u591a\u4e2a\u53c2\u6570\u4e0a\u5b9e\u73b0\u9ad8\u7cbe\u5ea6\uff1a<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>\u6838\u5fc3\u5de5\u7a0b\u6307\u6807<\/strong><\/td><td><strong>\u7ee9\u6548\u76ee\u6807<\/strong><\/td><td><strong>\u6280\u672f\u5b9e\u65bd<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>\u901a\u9053\u95f4\u65f6\u95f4\u540c\u6b65<\/strong><\/td><td>$&lt; 1\\\\text{s}$ \u76f8\u4f4d\u5bf9\u9f50<\/td><td>\u901a\u8fc7\u4e13\u7528 FPGA \u72b6\u6001\u673a\u6267\u884c\u7edf\u4e00\u7684\u5206\u5e03\u5f0f\u4e3b\u65f6\u949f\u95e8\u63a7\uff0c\u6d88\u9664\u957f\u65f6\u95f4\u8fd0\u884c\u65f6\u7684\u65f6\u949f\u6296\u52a8\u3002.<\/td><\/tr><tr><td><strong>\u58f0\u5b66\u52a8\u6001\u8303\u56f4<\/strong><\/td><td>$24\\text{-bit}$ Sigma-Delta ADC<\/td><td>\u4f4e\u566a\u58f0\u6a21\u62df\u524d\u7aef\u8bbe\u8ba1\u7528\u4e8e\u5904\u7406\u5fae\u5f31\u7684\u673a\u68b0\u5fae\u6469\u64e6\uff08$20\\\\text{dB SPL}$ \uff09\u548c\u77ac\u6001\u6c14\u52a8\u6392\u6c14\uff08$130\\\\text{dB SPL}$ \uff09\uff0c\u800c\u4e0d\u4f1a\u51fa\u73b0\u524a\u6ce2\u3002.<\/td><\/tr><tr><td><strong>\u5bbd\u5e26\u9891\u7387\u54cd\u5e94<\/strong><\/td><td>$2\\\\text{kHz}\\text{ to }80 \uff08text{kHz}+$<\/td><td>\u652f\u6301\u8d85\u5bbd\u5e26 MEMS \u9635\u5217\uff0c\u53ef\u6210\u529f\u6355\u6349\u53ef\u542c\u7684\u4eba\u4f53\u566a\u97f3\u7279\u5f81\u548c\u8d85\u58f0\u6ce2\u7ed3\u6784\u7279\u5f81\u3002.<\/td><\/tr><tr><td><strong>\u591a\u6a21\u5f0f\u6570\u636e\u878d\u5408<\/strong><\/td><td>\u786c\u4ef6\u7ea7\u65f6\u95f4\u6233<\/td><td>\u540c\u8f74\u53ef\u89c1\u5149\u6444\u50cf\u673a\u3001\u70ed\u7ea2\u5916\u4f20\u611f\u5668\u548c IEPE \u632f\u52a8\u52a0\u901f\u5ea6\u8ba1\u7684\u672c\u5730\u786c\u4ef6\u63a5\u53e3\u3002.<\/td><\/tr><\/tbody><\/table><\/figure><h3 class=\"wp-block-heading\">\u8fb9\u7f18\u5230\u4e91\u534f\u540c\u5904\u7406\u62d3\u6251\u7ed3\u6784<\/h3><p class=\"wp-block-paragraph\">\u5904\u7406 128 \u4e2a\u901a\u9053\u7684\u9ad8\u9891\u97f3\u9891\u4f1a\u4ea7\u751f\u5de8\u5927\u7684\u539f\u59cb\u6570\u636e\u541e\u5410\u91cf\u3002\u8be5\u5e73\u53f0\u901a\u8fc7\u6267\u884c\u5206\u53c9\u7684\u8fb9\u7f18\u5230\u4e91\u8ba1\u7b97\u7ba1\u9053\u6765\u89e3\u51b3\u8fd9\u4e00\u6d41\u91cf\u74f6\u9888\uff1a<\/p><ul class=\"wp-block-list\"><li><strong>\u8fb9\u7f18\u5f15\u64ce\uff08FPGA\/ARM\uff09\uff1a<\/strong> \u5904\u7406\u9ad8\u541e\u5410\u91cf\u6570\u5b57\u6ee4\u6ce2\u3001\u5b9e\u65f6\u7a7a\u95f4\u6ce2\u675f\u6210\u5f62\u548c\u77ac\u65f6 TDOA \u77e9\u9635\u6c42\u89e3\u3002\u5b83\u53ef\u76f4\u63a5\u5728\u8bbe\u5907\u4e0a\u751f\u6210\u6d41\u4f53\u5b9e\u65f6\u58f0\u5b66\u70ed\u56fe\uff0c\u66f4\u65b0\u5ef6\u8fdf\u5c0f\u4e8e $10\uff08text{ms}$\uff09\u3002.<\/li>\n\n<li><strong>\u4e91\u57fa\u7840\u8bbe\u65bd\uff1a<\/strong> \u6c47\u603b\u6765\u81ea\u591a\u4e2a\u5206\u5e03\u5f0f\u8fb9\u7f18\u9635\u5217\u7684\u9065\u6d4b\u6570\u636e\uff0c\u7528\u4e8e\u957f\u671f\u58f0\u5b66\u5f02\u5e38\u8d8b\u52bf\u5206\u6790\u3001\u4eba\u5de5\u667a\u80fd\u58f0\u97f3\u4e8b\u4ef6\u5206\u7c7b\u4ee5\u53ca\u66f4\u65b0\u6574\u4e2a\u8230\u961f\u7684\u9884\u6d4b\u6027\u7ef4\u62a4\u6a21\u578b\u3002<\/li><\/ul><h2 class=\"wp-block-heading\">5.\u5de5\u4e1a\u5de5\u7a0b\u90e8\u7f72\u4e0e\u5e94\u7528<\/h2><h3 class=\"wp-block-heading\">5.1 \u5de5\u4e1a\u9884\u6d4b\u6027\u7ef4\u62a4<\/h3><p class=\"wp-block-paragraph\">\u5728\u53d1\u7535\u5382\u3001\u5316\u5de5\u8bbe\u65bd\u548c\u751f\u4ea7\u7ebf\u4e2d\uff0c\u65cb\u8f6c\u673a\u68b0\u5728\u53d1\u751f\u673a\u68b0\u6545\u969c\u4e4b\u524d\u4f1a\u8868\u73b0\u51fa\u72ec\u7279\u7684\u58f0\u5b66\u5f02\u5e38\u3002\u5206\u5e03\u5f0f\u591a\u901a\u9053\u9635\u5217\u53ef\u8ffd\u8e2a\u8fd9\u4e9b\u968f\u65f6\u95f4\u53d1\u751f\u7684\u5fae\u5999\u53d8\u5316\uff0c\u5728\u6807\u51c6\u6e29\u5ea6\u4f20\u611f\u5668\u5411\u6280\u672f\u4eba\u5458\u53d1\u51fa\u8b66\u62a5\u4e4b\u524d\uff0c\u5c31\u80fd\u51c6\u786e\u5b9a\u4f4d\u7ed3\u6784\u7f3a\u9677\uff0c\u5982\u5c40\u90e8\u5185\u9f7f\u5708\u8f74\u627f\u5265\u843d\u6216\u9f7f\u8f6e\u9f7f\u9762\u88c2\u7eb9\u3002<\/p><h3 class=\"wp-block-heading\">5.2 \u6c14\u4f53\u6cc4\u6f0f\u548c\u7535\u6c14\u68c0\u67e5<\/h3><p class=\"wp-block-paragraph\">\u52a0\u538b\u6c14\u4f53\u7ed5\u8fc7\u5bc6\u5c01\u4ef6\u65f6\u4f1a\u4ea7\u751f\u5c40\u90e8\u6e4d\u6d41\uff0c\u4ece\u800c\u53d1\u51fa\u5f3a\u70c8\u7684\u8d85\u58f0\u6ce2\u4fe1\u53f7\u3002\u540c\u6837\uff0c\u7edd\u7f18\u51fb\u7a7f\u7684\u9ad8\u538b\u53d8\u7535\u7ad9\u4e5f\u4f1a\u91ca\u653e\u77ac\u6001\u8d85\u58f0\u6ce2\u3002 <a href=\"https:\/\/en.wikipedia.org\/wiki\/Partial_discharge\" target=\"_blank\" rel=\"noreferrer noopener\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">\u5c40\u90e8\u653e\u7535\uff08PD\uff09<\/mark><\/a>. .\u9ad8\u5bc6\u5ea6\u58f0\u5b66\u6210\u50cf\u5e73\u53f0\u8ddf\u8e2a\u8fd9\u4e9b\u8d85\u58f0\u6ce2\u53d1\u5c04\uff08\u901a\u5e38\u4e3a $20\\\\text{kHz} \\text{ to } 80\\\\\\text{kHz} $\uff09\uff0c\u5c06\u5371\u9669\u7684\u7269\u7406\u5750\u6807\u4e0e\u5f3a\u70c8\u7684\u4f4e\u9891\u73af\u5883\u5de5\u5382\u566a\u58f0\u9694\u79bb\u5f00\u6765\u3002<\/p><h3 class=\"wp-block-heading\">5.3 \u4f4e-\u4f4e-\u5c0f\uff08LSS\uff09\u7a7a\u4e2d\u76ee\u6807\u8ddf\u8e2a<\/h3><p class=\"wp-block-paragraph\">\u7531\u4e8e\u5730\u9762\u6742\u6ce2\u5e72\u6270\uff0c\u8ddf\u8e2a\u4e0d\u5408\u4f5c\u7684\u4f4e\u7a7a\u5c0f\u578b\u65e0\u4eba\u673a\u5bf9\u4f20\u7edf\u96f7\u8fbe\u6765\u8bf4\u662f\u4e00\u9879\u91cd\u5927\u6311\u6218\u3002.<\/p><ul class=\"wp-block-list\"><li><strong>\u88ab\u52a8\u58f0\u5b66\u63a2\u6d4b<\/strong> \u58f0\u9635\u5217\u662f\u4e00\u79cd\u5b8c\u5168\u65e0\u6e90\u7684\u58f0\u96f7\u8fbe\u3002\u7531\u4e8e\u5b83\u4eec\u4e0d\u53d1\u5c04\u7535\u78c1\u6ce2\uff0c\u56e0\u6b64\u4e0d\u53d7\u65e0\u7ebf\u7535\u5e72\u6270\uff0c\u4e5f\u4e0d\u4f1a\u88ab\u7535\u5b50\u5bf9\u6297\u8bbe\u5907\u63a2\u6d4b\u5230\u3002.<\/li>\n\n<li><strong>\u65e0\u4eba\u673a\u65cb\u7ffc\u8ddf\u8e2a\uff1a<\/strong> \u901a\u8fc7\u5229\u7528\u9ad8\u5bc6\u5ea6\u9635\u5217\uff0c\u8be5\u5e73\u53f0\u53ef\u9694\u79bb\u65e0\u4eba\u673a\u65cb\u7ffc\u4ea7\u751f\u7684\u7279\u5b9a\u7a84\u5e26\u8c10\u6ce2\u7279\u5f81\uff0c\u8ba1\u7b97\u7cbe\u786e\u7684 DOA \u89d2\u5ea6\uff0c\u5e76\u5c06\u8f68\u8ff9\u8ddf\u8e2a\u65e5\u5fd7\u6301\u7eed\u53cd\u9988\u7ed9\u81ea\u52a8\u5e73\u79fb-\u503e\u659c-\u53d8\u7126 (PTZ) \u5149\u5b66\u6444\u50cf\u673a\u3002\u8fd9\u5c31\u4e3a\u673a\u573a\u3001\u53d8\u7535\u7ad9\u548c\u654f\u611f\u7684\u8fb9\u5883\u5730\u533a\u521b\u5efa\u4e86\u4e00\u4e2a\u6709\u6548\u7684\u88ab\u52a8\u5b89\u5168\u5c42\u3002<\/li><\/ul><h3 class=\"wp-block-heading\">5.4 \u667a\u80fd\u9a7e\u9a76\u5ba4\u548c NVH \u6d4b\u8bd5<\/h3><p class=\"wp-block-paragraph\">\u5728\u6c7d\u8f66\u7814\u53d1\u9886\u57df\uff0c\u5f00\u653e\u5f0f\u591a\u901a\u9053\u5e73\u53f0\u7b80\u5316\u4e86\u566a\u58f0\u3001\u632f\u52a8\u548c\u58f0\u632f\u7c97\u7cd9\u5ea6\uff08NVH\uff09\u5206\u6790\u5de5\u4f5c\u3002\u5c06\u5fae\u578b\u5fae\u673a\u7535\u7cfb\u7edf\uff08MEMS\uff09\u9635\u5217\u7f6e\u4e8e\u667a\u80fd\u6c7d\u8f66\u9a7e\u9a76\u5ba4\u5185\uff0c\u53ef\u7ed8\u5236\u901a\u8fc7\u8f66\u95e8\u5bc6\u5c01\u6761\u6216\u6696\u901a\u7a7a\u8c03\u7ba1\u9053\u7684\u58f0\u5b66\u6cc4\u6f0f\u8def\u5f84\uff0c\u4ece\u800c\u5b9e\u73b0\u5feb\u901f\u7684\u7ed3\u6784\u4f18\u5316\u3002<\/p><h2 class=\"wp-block-heading\">6.\u96c6\u6210\u548c\u90e8\u7f72\u6307\u5357<\/h2><h3 class=\"wp-block-heading\">6.1 \u9635\u5217\u62d3\u6251\u9009\u62e9\u77e9\u9635<\/h3><ul class=\"wp-block-list\"><li><strong>\u7528\u4e8e\u8fdc\u8ddd\u79bb\u3001\u7a84\u89d2\u5ea6\u8ddf\u8e2a\uff08\u5982\u65e0\u4eba\u673a\u9632\u5fa1\u3001\u8d44\u4ea7\u76d1\u63a7\uff09\uff1a<\/strong> \u90e8\u7f72\u4e00\u4e2a\u5927\u5b54\u5f84\u3001\u7a00\u758f\u7684 <strong>\u4ea4\u53c9\u6216\u540c\u5fc3\u73af\u9635\u5217<\/strong> ($\\ge 64$ \u6216 $128$ \u4fe1\u9053\uff09\u3002\u66f4\u5927\u7684\u7269\u7406\u57fa\u7ebf\u5927\u5927\u63d0\u9ad8\u4e86\u4f4e\u9891\u6ce2\u6bb5\u7684\u7a7a\u95f4\u5206\u8fa8\u7387\u3002<\/li>\n\n<li><strong>\u7528\u4e8e\u8fd1\u573a\u5e7f\u89d2\u6210\u50cf\uff08\u5982\u624b\u6301\u68c0\u6d4b\u3001\u5de5\u4f5c\u53f0\u6d4b\u8bd5\uff09\uff1a<\/strong> \u90e8\u7f72\u7d27\u51d1\u578b\u9ad8\u5bc6\u5ea6 <strong>\u87ba\u65cb\u9635\u5217\u6216\u5747\u5300\u5706\u5f62\u9635\u5217<\/strong> ($32$ \u81f3 $64$ \u901a\u9053\uff09\u3002\u8fd9\u79cd\u7ed3\u6784\u6291\u5236\u4e86\u7a7a\u95f4\u6df7\u53e0\uff0c\u4f18\u5316\u4e86\u8fd1\u573a\u89c6\u89c9\u6620\u5c04\u53e0\u52a0\u3002<\/li><\/ul><h3 class=\"wp-block-heading\">6.2 \u7ba1\u7406\u58f0\u5b66\u6df7\u54cd\u548c\u591a\u8def\u5f84\u53cd\u5c04<\/h3><p class=\"wp-block-paragraph\">\u5728\u5c01\u95ed\u7684\u6d4b\u8bd5\u5355\u5143\u6216\u53cd\u5c04\u6df7\u51dd\u571f\u5de5\u5382\u4e2d\uff0c\u8fb9\u754c\u56de\u58f0\u4f1a\u5728\u58f0\u5b66\u70ed\u56fe\u4e0a\u4ea7\u751f\u5e7d\u7075\u76ee\u6807\u3002\u5de5\u7a0b\u5e08\u53ef\u4ee5\u91c7\u7528\u4e24\u79cd\u4e0d\u540c\u7684\u7f13\u89e3\u7b56\u7565\uff1a<\/p><ol start=\"1\" class=\"wp-block-list\"><li><strong>\u7269\u7406\u53bb\u8026\uff1a<\/strong> \u5728\u4f20\u58f0\u5668\u9635\u5217\u7684\u540e\u58f3\u5468\u56f4\u91c7\u7528\u8fb9\u754c\u5c42\u5438\u97f3\u6750\u6599\uff0c\u4ee5\u6291\u5236\u540e\u671f\u7684\u73af\u5883\u53cd\u5c04\u3002<\/li>\n\n<li><strong>\u7b97\u6cd5\u53bb\u6df7\u54cd<\/strong> \u6fc0\u6d3b\u5e73\u53f0 SDK \u7684\u5185\u7f6e\u5012\u9891\u8c31\u53bb\u5377\u79ef\u6ee4\u6ce2\u5668\u3002\u901a\u8fc7\u5e94\u7528\u81ea\u9002\u5e94\u53cd\u6ee4\u6ce2\uff0c\u8be5\u7b97\u6cd5\u53ef\u5c06\u76f4\u8fbe\u8def\u5f84\u6ce2\u9635\u9762\u4e0e\u4e8c\u6b21\u5ef6\u8fdf\u53cd\u5c04\u9694\u79bb\u5f00\u6765\uff0c\u4ece\u800c\u6062\u590d\u5c16\u9510\u7684 TDOA \u5cf0\u503c\u3002<\/li><\/ol><h3 class=\"wp-block-heading\">6.3 \u5b9e\u65f6\u591a\u901a\u9053\u6570\u636e\u5e27\u6a21\u5f0f<\/h3><p class=\"wp-block-paragraph\">\u4e0b\u9762\u7684 JSON \u6570\u636e\u7ed3\u6784\u8bf4\u660e\u4e86\u5e73\u53f0\u5f00\u653e\u5f0f SDK API \u8f93\u51fa\u7684\u6807\u51c6\u9065\u6d4b\u6846\u67b6\uff0c\u53ef\u4f9b\u4e0a\u6e38\u4f01\u4e1a\u81ea\u52a8\u5316\u8f6f\u4ef6\u6444\u53d6\uff1a<\/p><p class=\"wp-block-paragraph\">JSON<\/p><pre class=\"wp-block-code\"><code>{\n  \"\u65f6\u95f4\u6233\"\uff1a\"2026-05-27T22:35:12.004Z\",\n  \"device_id\"\uff1a\"sistc-array-128x\"\u3001\n  \"system_status\"\uff08\u7cfb\u7edf\u72b6\u6001\uff09\uff1a\"NOMINAL\"\u3001\n  \"active_channels\"\uff1a128,\n  \"\u91c7\u6837\u7387\"\uff1a 9600096000,\n  \"\u68c0\u6d4b\u5230\u7684\u4fe1\u53f7\u6e90\"\uff1a [[\n    {\n      \"source_id\"\uff1a41,\n      \"acoustic_signature\"\uff1a\"\u8d85\u58f0\u6ce2\u6c14\u4f53\u6cc4\u6f0f\"\u3001\n      \"\u7f6e\u4fe1\u5ea6\"\uff1a 0.970.97,\n      \"\u7a7a\u95f4\u5750\u6807\"\uff1a{\n        \"x_axis_meters\"\uff1a4.12,\n        \"y_axis_meters\"\uff1a-1.85,\n        \"z_axis_meters\"\uff1a0.92\n      },\n      \"direction_of_arrival\"\uff1a{\n        \"azimuth_degrees\"\uff1a204.1,\n        \"elevation_degrees\"\uff1a12.6\n      },\n      \"sound_pressure_level_db\"\uff1a74.2\n    }\n  ]\n}\n<\/code><\/pre><h2 class=\"wp-block-heading\">7.\u5229\u7528 SISTC \u4e13\u5bb6\u89e3\u51b3\u65b9\u6848\u52a0\u901f\u90e8\u7f72<\/h2><p class=\"wp-block-paragraph\">\u4ece\u96f6\u5f00\u59cb\u6784\u5efa\u5de5\u4e1a\u7ea7\u591a\u901a\u9053\u58f0\u5b66\u91c7\u96c6\u6846\u67b6\uff0c\u9700\u8981\u5728\u58f0\u5b66\u9635\u5217\u7269\u7406\u3001\u9ad8\u901f FPGA \u8def\u7531\u548c\u5b9e\u65f6 DSP \u4f18\u5316\u65b9\u9762\u8fdb\u884c\u5927\u91cf\u7814\u53d1\u6295\u5165\u3002<\/p><p class=\"wp-block-paragraph\">\u8981\u7ed5\u8fc7\u8fd9\u4e9b\u969c\u788d\u5e76\u538b\u7f29\u4ea7\u54c1\u4e0a\u5e02\u65f6\u95f4\uff0c\u8bf7\u63a2\u7d22\u65e0\u9521\u7845\u6e90\u79d1\u6280\u6709\u9650\u516c\u53f8\uff08SISTC\uff09\u63d0\u4f9b\u7684\u53ef\u968f\u65f6\u90e8\u7f72\u7684\u786c\u4ef6\u5957\u4ef6\u3002(SISTC\uff09\u63d0\u4f9b\u7684\u53ef\u7acb\u5373\u90e8\u7f72\u7684\u786c\u4ef6\u5957\u4ef6\u3002\u6211\u4eec\u7684\u4e13\u4e1a\u4ea7\u54c1\u7cfb\u5217\u5305\u62ec\u9ad8\u6027\u80fd\u5d4c\u5165\u5f0f\u5f00\u53d1\u4eba\u5458\u7ec4\u4ef6\uff0c\u5982 <strong>ASAI144 \u4fbf\u643a\u5f0f\u58f0\u5b66\u6210\u50cf\u9635\u5217<\/strong> \u548c <strong>SV-IDK64 \/ SV-NDT128 \u5f00\u653e\u5f0f\u5de5\u4e1a\u58f0\u5b66\u68c0\u6d4b\u5e73\u53f0<\/strong>. .\u5bf9\u4e8e\u5b8c\u5168\u96c6\u6210\u3001\u5373\u63d2\u5373\u7528\u7684\u73b0\u573a\u8bca\u65ad\uff0c\u53ef\u4f7f\u7528 <strong>SV-P128 \u624b\u6301\u58f0\u5b66\u6210\u50cf\u4eea<\/strong> \u7ed3\u5408\u4e86\u9ad8\u5bc6\u5ea6 128 \u901a\u9053 MEMS \u9ea6\u514b\u98ce\u9635\u5217\u548c\u7531\u9ad8\u6027\u80fd\u5904\u7406\u5185\u6838\u9a71\u52a8\u7684\u5b9e\u65f6\u6ce2\u675f\u6210\u5f62\u529f\u80fd\u3002<\/p><figure class=\"wp-block-image aligncenter size-large is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"746\" src=\"https:\/\/sistc.com\/wp-content\/uploads\/2026\/05\/SV-P128-Handheld-Acoustic-Imaging-Camera-1024x746.webp\" alt=\"\" class=\"wp-image-16380\" style=\"aspect-ratio:1.372732156878952;width:375px;height:auto\" srcset=\"https:\/\/sistc.com\/wp-content\/uploads\/2026\/05\/SV-P128-Handheld-Acoustic-Imaging-Camera-1024x746.webp 1024w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/05\/SV-P128-Handheld-Acoustic-Imaging-Camera-300x219.webp 300w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/05\/SV-P128-Handheld-Acoustic-Imaging-Camera-768x560.webp 768w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/05\/SV-P128-Handheld-Acoustic-Imaging-Camera-1536x1119.webp 1536w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/05\/SV-P128-Handheld-Acoustic-Imaging-Camera-2048x1492.webp 2048w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/05\/SV-P128-Handheld-Acoustic-Imaging-Camera-16x12.webp 16w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/05\/SV-P128-Handheld-Acoustic-Imaging-Camera-600x437.webp 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"><strong>SV-P128 \u624b\u6301\u58f0\u5b66\u6210\u50cf\u4eea<\/strong><\/figcaption><\/figure><p class=\"wp-block-paragraph\">\u8bbf\u95ee\u6211\u4eec\u7684\u5b98\u65b9\u7f51\u7ad9\uff0c\u4e86\u89e3\u6211\u4eec\u5b8c\u6574\u7684\u8fb9\u7f18\u5c31\u7eea\u786c\u4ef6\u3001\u6a21\u5757\u5316\u9635\u5217\u8bbe\u8ba1\u548c\u5f00\u653e\u5f0f\u67b6\u6784 SDK \u4ea7\u54c1\u7ec4\u5408\u3002 <a href=\"https:\/\/sistc.com\/zh\/product-category\/sensor-module\/product-category-acoustic-imaging-intelligent-sensing\/\" target=\"_blank\" rel=\"noreferrer noopener\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">SISTC \u58f0\u5b66\u6210\u50cf <\/mark>\u667a\u80fd\u4f20\u611f\u89e3\u51b3\u65b9\u6848<\/a> \u5f00\u53d1\u4eba\u5458\u5e73\u53f0\u3002<\/p><p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>1.\u5bfc\u8a00\uff1a\u667a\u80fd\u4f20\u611f\u65f6\u4ee3\u7684\u58f0\u97f3\u5b9a\u4f4d\u65b0\u8303\u5f0f \u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u548c\u4eba\u5de5\u667a\u80fd\u9886\u57df\uff0c\u8303\u5f0f\u6b63\u5728\u4ece\u7eaf\u7cb9\u7684\u8ba1\u7b97\u673a\u89c6\u89c9 [...] \u8f6c\u53d8\u3002<\/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":[1],"tags":[],"class_list":["post-16414","post","type-post","status-publish","format-standard","hentry","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>Spatial Acoustic Localization &amp; Multi-Channel Acquisition | SISTC<\/title>\n<meta name=\"description\" content=\"Deep dive into open architecture spatial acoustic localization &amp; multi-channel acquisition. 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