{"id":27,"date":"2026-06-22T00:00:25","date_gmt":"2026-06-21T16:00:25","guid":{"rendered":"https:\/\/www.bgdyx.com\/?p=27"},"modified":"2026-06-27T23:17:41","modified_gmt":"2026-06-27T15:17:41","slug":"27","status":"publish","type":"post","link":"https:\/\/www.bgdyx.com\/index.php\/2026\/06\/22\/27\/","title":{"rendered":"\u4e3a\u4ec0\u4e48\u6709\u4e9b\u5bb6\u5ead\u5f71\u9662\u8bbe\u5907\u5f88\u8d35\uff0c\u542c\u8d77\u6765\u5374\u4f9d\u7136\u4e0d\u5bf9"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">\u8d35\uff0c\u4e0d\u7b49\u4e8e\u597d\uff1b\u597d\u8bbe\u5907\uff0c\u4e0d\u7b49\u4e8e\u597d\u58f0\u97f3<\/h1>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u662f\u97f3\u54cd\u53d1\u70e7\u5708\u548c\u5bb6\u5ead\u5f71\u9662\u884c\u4e1a\u91cc\u4e00\u4e2a\u8ba9\u4eba\u53cd\u590d\u56f0\u60d1\u3001\u53cd\u590d\u8e29\u5751\u7684\u547d\u9898\u3002\u4e00\u5957\u51e0\u5341\u4e07\u7684\u8bbe\u5907\u7ec4\u5408\uff0c\u5f00\u58f0\u4e4b\u540e\u5374\u8ba9\u4eba\u8bf4\u4e0d\u51fa\u54ea\u91cc\u597d\uff1b\u800c\u6709\u4e9b\u76f8\u5bf9\u7ecf\u6d4e\u7684\u7cfb\u7edf\uff0c\u7ecf\u8fc7\u7cbe\u5fc3\u8bbe\u8ba1\u4e0e\u8c03\u6821\uff0c\u53cd\u800c\u8ba9\u4eba\u542c\u5f97\u5fc3\u65f7\u795e\u6021\u3002\u8fd9\u79cd\u73b0\u8c61\u80cc\u540e\u6709\u6781\u5176\u6df1\u523b\u7684\u7269\u7406\u5b66\u3001\u5fc3\u7406\u58f0\u5b66\u4e0e\u7cfb\u7edf\u5de5\u7a0b\u5b66\u539f\u56e0\uff0c\u7edd\u975e&#8221;\u7384\u5b66&#8221;\uff0c\u5b8c\u5168\u53ef\u4ee5\u7528\u79d1\u5b66\u8bed\u8a00\u7cbe\u786e\u89e3\u91ca\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"594\" src=\"https:\/\/www.bgdyx.com\/wp-content\/uploads\/2026\/06\/fqcm-1024x594.jpg\" alt=\"\" class=\"wp-image-31\" srcset=\"https:\/\/www.bgdyx.com\/wp-content\/uploads\/2026\/06\/fqcm-1024x594.jpg 1024w, https:\/\/www.bgdyx.com\/wp-content\/uploads\/2026\/06\/fqcm-300x174.jpg 300w, https:\/\/www.bgdyx.com\/wp-content\/uploads\/2026\/06\/fqcm-768x446.jpg 768w, https:\/\/www.bgdyx.com\/wp-content\/uploads\/2026\/06\/fqcm-1536x892.jpg 1536w, https:\/\/www.bgdyx.com\/wp-content\/uploads\/2026\/06\/fqcm.jpg 1654w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u539f\u56e0\u4e00\uff1a\u6700\u8584\u5f31\u73af\u8282\u5b9a\u5f8b\u2014\u2014\u6728\u6876\u6548\u5e94\u7684\u58f0\u5b66\u7248\u672c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u58f0\u97f3\u91cd\u653e\u94fe\u6761\u662f\u4e00\u4e2a\u4e25\u683c\u7684<strong>\u4e32\u8054\u7cfb\u7edf<\/strong>\uff0c\u5176\u6574\u4f53\u6027\u80fd\u7531\u6700\u8584\u5f31\u7684\u73af\u8282\u51b3\u5b9a\uff0c\u8fd9\u662f\u7cfb\u7edf\u5de5\u7a0b\u4e2d\u7684\u57fa\u672c\u539f\u7406\uff0c\u5728\u97f3\u9891\u9886\u57df\u540c\u6837\u94c1\u5f8b\u6210\u7acb\u3002\u5b8c\u6574\u7684\u5bb6\u5ead\u5f71\u9662\u4fe1\u53f7\u94fe\u53ef\u4ee5\u8868\u793a\u4e3a\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=%E5%90%AC%E6%84%9F%E8%B4%A8%E9%87%8F%20%3D%20%5Cmin%5C%7B%E4%BF%A1%E6%BA%90%E8%B4%A8%E9%87%8F%2C%5C%20%E5%A4%84%E7%90%86%E5%99%A8%E5%93%81%E8%B4%A8%2C%5C%20%E5%8A%9F%E6%94%BE%E7%BA%BF%E6%80%A7%E5%BA%A6%2C%5C%20%E6%89%AC%E5%A3%B0%E5%99%A8%E5%A4%B1%E7%9C%9F%2C%5C%20H_%7Broom%7D(f)%2C%5C%20%E6%A0%A1%E5%87%86%E7%B2%BE%E5%BA%A6%5C%7D%0A%5C%5C\" alt=\"\u542c\u611f\u8d28\u91cf = \\min\\{\u4fe1\u6e90\u8d28\u91cf,\\ \u5904\u7406\u5668\u54c1\u8d28,\\ \u529f\u653e\u7ebf\u6027\u5ea6,\\ \u626c\u58f0\u5668\u5931\u771f,\\ H_{room}(f),\\ \u6821\u51c6\u7cbe\u5ea6\\}\n\\\\\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2d <img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=H_%7Broom%7D(f)\" alt=\"H_{room}(f)\"> \u5373<strong>\u623f\u95f4\u4f20\u9012\u51fd\u6570<\/strong>\uff0c\u662f\u8fd9\u6761\u94fe\u6761\u4e2d\u6700\u96be\u63a7\u5236\u3001\u4e14\u5f71\u54cd\u6700\u5bbd\u9891\u6bb5\u7684\u73af\u8282\u3002\u65e0\u8bba\u524d\u7aef\u8bbe\u5907\u591a\u4e48\u6602\u8d35\uff0c\u53ea\u8981\u7a7a\u95f4\u58f0\u5b66\u5904\u7406\u4e0d\u5230\u4f4d\uff0c<img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=H_%7Broom%7D(f)\" alt=\"H_{room}(f)\"> \u5c31\u4f1a\u5bf9\u6240\u6709\u9891\u7387\u7684\u4fe1\u53f7\u8fdb\u884c\u5267\u70c8\u7684\u5e45\u5ea6\u548c\u76f8\u4f4d\u626d\u66f2\uff0c\u5176\u5f71\u54cd\u5c06\u65e0\u53ef\u907f\u514d\u5730\u53e0\u52a0\u5728\u6700\u7ec8\u542c\u611f\u4e0a\uff0c\u4e14\u8fdc\u8d85\u5176\u4ed6\u4efb\u4f55\u73af\u8282\u7684\u5f71\u54cd\u91cf\u7ea7\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u539f\u56e0\u4e8c\uff1a\u623f\u95f4\u5bf9\u9891\u7387\u54cd\u5e94\u7684\u7834\u574f\u5e45\u5ea6\u8fdc\u8d85\u8bbe\u5907\u7684\u5931\u771f\u6307\u6807<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u5957\u9ad8\u7aef\u5bb6\u5ead\u5f71\u9662\u529f\u653e\u7684\u8c10\u6ce2\u5931\u771f\uff08THD\uff09\u53ef\u80fd\u4f4e\u81f3 **0.001%**\uff0c\u9891\u7387\u54cd\u5e94\u5e73\u5766\u5ea6\u53ef\u80fd\u5728 <strong>\u00b10.1 dB<\/strong>\uff0820 Hz\uff5e20 kHz\uff09\u4ee5\u5185\u3002\u4f46\u540c\u4e00\u5957\u8bbe\u5907\u5728\u672a\u7ecf\u58f0\u5b66\u5904\u7406\u7684\u623f\u95f4\u91cc\uff0c\u7531\u4e8e\u9a7b\u6ce2\u7684\u5b58\u5728\uff0c\u5176\u5728\u542c\u97f3\u4f4d\u7f6e\u5b9e\u6d4b\u7684\u4f4e\u9891\u54cd\u5e94\u8d77\u4f0f\u53ef\u8f7b\u6613\u8fbe\u5230 <strong>\u00b115 dB \u4e43\u81f3 \u00b120 dB<\/strong>\u2014\u2014\u8fd9\u4e2a\u6570\u5b57\u6bd4\u8bbe\u5907\u672c\u8eab\u7684\u6240\u6709\u975e\u7ebf\u6027\u8bef\u5dee\u5927\u51fa\u4e86\u6570\u767e\u500d\u4e43\u81f3\u6570\u5343\u500d\u3002\u6362\u8a00\u4e4b\uff0c\u4f60\u5728\u529f\u653e\u4e0a\u7701\u4e0b\u7684 0.001% THD \u7684\u52aa\u529b\uff0c\u88ab\u623f\u95f4\u9a7b\u6ce2\u4e00\u6b21\u6027\u62b9\u53bb\uff0c\u6beb\u65e0\u610f\u4e49\u53ef\u8a00\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ece\u611f\u77e5\u7684\u89d2\u5ea6\u6765\u770b\uff0c\u4eba\u8033\u5bf9\u9891\u7387\u54cd\u5e94\u8d77\u4f0f\u7684\u654f\u611f\u5ea6\u8fdc\u8d85\u5bf9\u5931\u771f\u7684\u654f\u611f\u5ea6\u3002\u5fc3\u7406\u58f0\u5b66\u7814\u7a76\u8868\u660e\uff0c\u8bad\u7ec3\u6709\u7d20\u7684\u542c\u97f3\u8005\u5bf9\u9891\u7387\u54cd\u5e94\u7684\u53ef\u89c9\u5bdf\u5dee\u5f02\uff08<strong>JND\uff0cJust Noticeable Difference<\/strong>\uff09\u7ea6\u4e3a <strong>0.5\uff5e1 dB<\/strong>\uff0c\u800c\u5bf9\u8c10\u6ce2\u5931\u771f\u7684 JND \u5219\u5728 <strong>1%<\/strong> \u5de6\u53f3\uff08\u53d6\u51b3\u4e8e\u9891\u7387\u548c\u4fe1\u53f7\u7c7b\u578b\uff09\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u4f60\u66f4\u5bb9\u6613\u542c\u51fa\u623f\u95f4\u5e26\u6765\u7684\u58f0\u67d3\u8272\uff0c\u800c\u4e0d\u662f\u529f\u653e\u7684\u5fae\u91cf\u5931\u771f\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u539f\u56e0\u4e09\uff1a\u8bbe\u5907\u4e0e\u7a7a\u95f4\u4e4b\u95f4\u7684\u963b\u6297\u5931\u914d\u2014\u2014\u626c\u58f0\u5668\u6307\u5411\u6027\u88ab\u5ffd\u89c6<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u626c\u58f0\u5668\u7684<strong>\u6307\u5411\u6027<\/strong>\uff08Directivity\uff09\u662f\u4e00\u4e2a\u9891\u7387\u76f8\u5173\u7684\u590d\u6742\u53c2\u6570\uff0c\u901a\u5e38\u7528<strong>\u6307\u5411\u6027\u6307\u6570<\/strong>\uff08Directivity Index\uff0cDI\uff09\u6765\u91cf\u5316\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=DI(f)%20%3D%2010%20%5Clog_%7B10%7D%5Cleft(%5Cfrac%7Bp%5E2(%5Ctheta%3D0%C2%B0%2C%20f)%7D%7B%5Cbar%7Bp%7D%5E2(f)%7D%5Cright)%20%5Cquad%20%5Ctext%7B%5BdB%5D%7D%0A%5C%5C\" alt=\"DI(f) = 10 \\log_{10}\\left(\\frac{p^2(\\theta=0\u00b0, f)}{\\bar{p}^2(f)}\\right) \\quad \\text{[dB]}\n\\\\\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2d\u5206\u5b50\u4e3a\u8f74\u5411\u58f0\u538b\u7684\u5e73\u65b9\uff0c\u5206\u6bcd\u4e3a\u6240\u6709\u65b9\u5411\u58f0\u538b\u5e73\u65b9\u7684\u5e73\u5747\u503c\u3002\u4f4e\u9891\u65f6\u5927\u591a\u6570\u626c\u58f0\u5668 DI \u8f83\u4f4e\uff08\u8fd1\u5168\u6307\u5411\uff09\uff0c\u9ad8\u9891\u65f6 DI \u663e\u8457\u5347\u9ad8\uff08\u6307\u5411\u6027\u53d8\u5f3a\uff09\u3002\u8fd9\u610f\u5473\u7740\u540c\u4e00\u53ea\u626c\u58f0\u5668\u5728\u4e0d\u540c\u9891\u6bb5\u4f1a\u5411\u7a7a\u95f4\u8f90\u5c04\u622a\u7136\u4e0d\u540c\u7684\u80fd\u91cf\u5206\u5e03\uff0c\u4ece\u800c\u6fc0\u52b1\u4e0d\u540c\u7684\u623f\u95f4\u6a21\u5f0f\u548c\u53cd\u5c04\u8def\u5f84\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u4e00\u4e2a\u623f\u95f4\u7684\u58f0\u5b66\u5904\u7406\u65b9\u6848\u6ca1\u6709\u8003\u8651\u6240\u9009\u626c\u58f0\u5668\u7684\u6307\u5411\u6027\u7279\u5f81\uff0c\u5c31\u53ef\u80fd\u51fa\u73b0&#8221;\u6cbb\u597d\u4e86\u4e2d\u9891\u67d3\u8272\uff0c\u5374\u8ba9\u9ad8\u9891\u660e\u4eae\u8fc7\u5934&#8221;\u6216&#8221;\u4f4e\u9891\u5904\u7406\u5f97\u5f53\uff0c\u4e2d\u9ad8\u9891\u5374\u56e0\u4e3a\u4e3b\u626c\u58f0\u5668\u6307\u5411\u6027\u8fc7\u5f3a\u800c\u5728\u5899\u9762\u5f62\u6210\u5f3a\u70c8\u7684\u955c\u9762\u53cd\u5c04&#8221;\u7b49\u95ee\u9898\u3002<strong>\u8bbe\u5907\u9009\u578b\u5fc5\u987b\u4e0e\u7a7a\u95f4\u58f0\u5b66\u8bbe\u8ba1\u534f\u540c\u8fdb\u884c\uff0c\u800c\u4e0d\u662f\u5148\u4e70\u8bbe\u5907\u518d\u8003\u8651\u58f0\u5b66\u3002<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u539f\u56e0\u56db\uff1a\u6821\u51c6\u4e0d\u8db3\u2014\u2014\u6602\u8d35\u8bbe\u5907\u88ab\u9519\u8bef\u4f7f\u7528<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u73b0\u4ee3 AV \u5904\u7406\u5668\u666e\u904d\u914d\u5907\u4e86\u81ea\u52a8\u623f\u95f4\u6821\u51c6\u7cfb\u7edf\uff08\u5982 Audyssey MultEQ XT32\u3001Dirac Live\u3001ARC \u7b49\uff09\uff0c\u5b83\u4eec\u5229\u7528\u9ea6\u514b\u98ce\u6d4b\u91cf\u3001\u6709\u9650\u8109\u51b2\u54cd\u5e94\uff08FIR\uff09\u6216\u65e0\u9650\u8109\u51b2\u54cd\u5e94\uff08IIR\uff09\u6ee4\u6ce2\u5668\u5bf9\u7cfb\u7edf\u8fdb\u884c\u6570\u5b57\u5747\u8861\u3002\u8fd9\u4e9b\u6280\u672f\u672c\u8d28\u4e0a\u662f\u5728\u9891\u57df\u5185\u7528\u6570\u5b57\u6ee4\u6ce2\u5668\u6765\u4fee\u6b63\u623f\u95f4\u4f20\u9012\u51fd\u6570\u7684\u5e45\u5ea6\u504f\u5dee\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=H_%7Bcorrected%7D(f)%20%3D%20H_%7Braw%7D(f)%20%5Ccdot%20H_%7Bfilter%7D(f)%0A%5C%5C\" alt=\"H_{corrected}(f) = H_{raw}(f) \\cdot H_{filter}(f)\n\\\\\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2d\u7406\u60f3\u76ee\u6807\u662f <img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=H_%7Bcorrected%7D(f)%20%3D%20%5Ctext%7Bconst%7D\" alt=\"H_{corrected}(f) = \\text{const}\">\uff08\u5e73\u5766\u54cd\u5e94\uff09\u3002\u7136\u800c\uff0c\u7535\u5b50\u5747\u8861\u53ea\u80fd\u4fee\u6b63<strong>\u5e45\u5ea6\u54cd\u5e94<\/strong>\uff08Magnitude Response\uff09\uff0c\u5bf9<strong>\u76f8\u4f4d\u54cd\u5e94<\/strong>\uff08Phase Response\uff09\u7684\u4fee\u6b63\u80fd\u529b\u5341\u5206\u6709\u9650\uff08\u9664\u975e\u4f7f\u7528\u5168\u76f8\u4f4d FIR \u6ee4\u6ce2\u5668\uff0c\u4e14\u4f1a\u5e26\u6765\u663e\u8457\u7684\u5ef6\u8fdf\u4ee3\u4ef7\uff09\u3002\u66f4\u5173\u952e\u7684\u662f\uff0c\u5747\u8861\u5668\u65e0\u6cd5\u6d88\u9664\u9a7b\u6ce2\u672c\u8eab\u2014\u2014\u5b83\u53ea\u80fd\u5728\u7279\u5b9a\u6d4b\u91cf\u70b9\uff08\u9ea6\u514b\u98ce\u4f4d\u7f6e\uff09\u62c9\u5e73\u54cd\u5e94\uff0c\u800c\u5728\u623f\u95f4\u5176\u4ed6\u4f4d\u7f6e\uff0c\u9a7b\u6ce2\u5e26\u6765\u7684\u538b\u529b\u5206\u5e03\u4e0d\u5747\u95ee\u9898\u4f9d\u7136\u5b58\u5728\u3002\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u81ea\u52a8\u6821\u51c6\u4e4b\u540e\uff0c\u79fb\u52a8\u542c\u97f3\u4f4d\u7f6e\uff0c\u4f4e\u9891\u611f\u89c9\u53ef\u80fd\u5b8c\u5168\u53d8\u6837\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\ud83d\udca1 \u7528\u4e00\u4e2a\u7269\u7406\u6bd4\u55bb\u6765\u7406\u89e3\uff1a\u5747\u8861\u5668\u662f\u5728\u8bd5\u56fe<strong>\u7528\u4e00\u5f20\u8d34\u7eb8\u53bb\u4fee\u8865\u4e00\u6247\u7834\u788e\u7684\u73bb\u7483<\/strong>\u2014\u2014\u8d34\u7eb8\u76d6\u4f4f\u4e86\u4f60\u6d4b\u91cf\u7684\u90a3\u4e00\u5757\u88c2\u7f1d\uff0c\u4f46\u5176\u4ed6\u5730\u65b9\u7684\u88c2\u7f1d\u4f9d\u7136\u5b58\u5728\u3002\u771f\u6b63\u7684\u4fee\u590d\uff0c\u5fc5\u987b\u4ece\u73bb\u7483\u672c\u8eab\uff08\u5373\u7a7a\u95f4\u58f0\u5b66\u7269\u7406\u7ed3\u6784\uff09\u5165\u624b\u3002<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u539f\u56e0\u4e94\uff1a\u5fc3\u7406\u58f0\u5b66\u5c42\u9762\u2014\u2014\u542c\u611f\u5e76\u975e\u9891\u7387\u54cd\u5e94\u7684\u7ebf\u6027\u6620\u5c04<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5373\u4fbf\u5047\u8bbe\u4e00\u5957\u7cfb\u7edf\u7684\u9891\u7387\u54cd\u5e94\u5df2\u7ecf\u88ab\u6821\u51c6\u5f97\u76f8\u5f53\u5e73\u5766\uff0c\u58f0\u97f3\u4f9d\u7136\u53ef\u80fd&#8221;\u4e0d\u5bf9&#8221;\uff0c\u8fd9\u6d89\u53ca<strong>\u5fc3\u7406\u58f0\u5b66<\/strong>\uff08Psychoacoustics\uff09\u7684\u6df1\u5c42\u673a\u5236\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Fletcher-Munson \u7b49\u54cd\u66f2\u7ebf<\/strong>\uff08Equal-Loudness Contours\uff0c\u73b0\u884c\u6807\u51c6\u4e3a ISO 226:2003\uff09\u63ed\u793a\u4e86\u4eba\u8033\u611f\u77e5\u54cd\u5ea6\u4e0e\u9891\u7387\u7684\u975e\u7ebf\u6027\u5173\u7cfb\uff1a\u5728\u4e0d\u540c\u7684\u58f0\u538b\u7ea7\u4e0b\uff0c\u76f8\u540c\u7684\u7269\u7406\u9891\u7387\u54cd\u5e94\u4f1a\u4ea7\u751f\u622a\u7136\u4e0d\u540c\u7684\u4e3b\u89c2\u97f3\u8272\u611f\u77e5\u3002\u5bb6\u5ead\u5f71\u9662\u7684\u53c2\u8003\u58f0\u538b\u7ea7\uff08THX \u6807\u51c6\uff1a\u4e3b\u542c\u4f4d\u53c2\u8003\u7535\u5e73 = <strong>85 dB SPL + 20 dB \u52a8\u6001\u4f59\u91cf<\/strong>\uff0c\u5cf0\u503c\u7ea6 105 dB\uff09\u4e0e\u65e5\u5e38\u4f4e\u97f3\u91cf\u8046\u542c\uff08\u7ea6 60\uff5e70 dB\uff09\u4e4b\u95f4\uff0c\u7b49\u54cd\u66f2\u7ebf\u7684\u5f62\u72b6\u5dee\u5f02\u6781\u5927\u3002\u5728\u4f4e\u97f3\u91cf\u65f6\u4eba\u8033\u5bf9\u4f4e\u9891\u548c\u6781\u9ad8\u9891\u7684\u611f\u77e5\u654f\u611f\u5ea6\u663e\u8457\u4e0b\u964d\u2014\u2014\u8fd9\u610f\u5473\u7740\u5982\u679c\u4e00\u5957\u7cfb\u7edf\u6309\u7167\u53c2\u8003\u7535\u5e73\u6821\u51c6\u4e86\uff0c\u5728\u4f4e\u97f3\u91cf\u4e0b\u4f4e\u9891\u5c31\u4f1a\u611f\u89c9\u4e0d\u591f\u3002\u8fd9\u662f\u7b49\u54cd\u66f2\u7ebf\u7684\u7269\u7406\u89c4\u5f8b\uff0c\u800c\u975e\u8bbe\u5907\u54c1\u8d28\u95ee\u9898\uff0c\u5374\u5e38\u5e38\u88ab\u8bef\u89e3\u4e3a\u8bbe\u5907&#8221;\u4f4e\u97f3\u4e0d\u591f\u597d&#8221;\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u5916\uff0c<strong>\u65f6\u57df\u95ee\u9898<\/strong>\u540c\u6837\u4e0d\u53ef\u5ffd\u89c6\u3002\u9ad8\u7aef\u626c\u58f0\u5668\u5728\u5e45\u9891\u54cd\u5e94\u4e0a\u53ef\u80fd\u5341\u5206\u51fa\u8272\uff0c\u4f46\u5982\u679c\u5206\u9891\u5668\u8bbe\u8ba1\u5e26\u6765\u4e86\u663e\u8457\u7684<strong>\u7fa4\u5ef6\u8fdf<\/strong>\uff08Group Delay\uff09\u626d\u66f2\uff0c\u5373\u4e0d\u540c\u9891\u7387\u6210\u5206\u5230\u8fbe\u542c\u97f3\u4f4d\u7f6e\u7684\u65f6\u95f4\u4e0d\u4e00\u81f4\uff0c\u5c31\u4f1a\u5bfc\u81f4\u77ac\u6001\u54cd\u5e94\u52a3\u5316\uff0c\u8868\u73b0\u4e3a\u6253\u51fb\u4e50\u5668\u7684\u51b2\u51fb\u611f\u4e0b\u964d\u3001\u4eba\u58f0\u8f85\u97f3\u4e0d\u6e05\u6670\u3002\u7fa4\u5ef6\u8fdf\u5b9a\u4e49\u4e3a\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image is-resized\"><img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=%5Ctau_g(f)%20%3D%20-%5Cfrac%7Bd%5Cphi(f)%7D%7Bd%5Comega%7D%0A%5C%5C\" alt=\"\\tau_g(f) = -\\frac{d\\phi(f)}{d\\omega}\n\\\\\" style=\"aspect-ratio:10.960844399046646;width:644px;height:auto\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53 <img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=%5Ctau_g(f)\" alt=\"\\tau_g(f)\"> \u5728\u611f\u77e5\u654f\u611f\u9891\u6bb5\uff08\u7ea6 1 kHz \u4ee5\u4e0b\uff09\u7684\u53d8\u5316\u91cf\u8d85\u8fc7\u4eba\u8033\u7684 JND\uff08\u7ea6 <strong>1\uff5e2 ms<\/strong>\uff09\u65f6\uff0c\u58f0\u97f3\u7684&#8221;\u65f6\u95f4\u611f&#8221;\u5c31\u4f1a\u51fa\u73b0\u52a3\u5316\u3002\u8fd9\u79cd\u95ee\u9898\u5f80\u5f80\u5728\u4ef7\u683c\u6602\u8d35\u4f46\u5206\u9891\u8bbe\u8ba1\u7c97\u7cd9\u7684\u626c\u58f0\u5668\u4e0a\u51fa\u73b0\uff0c\u542c\u8d77\u6765\u7684\u611f\u89c9\u662f**&#8221;\u7ec6\u8282\u4e30\u5bcc\u4f46\u7f3a\u4e4f\u51b2\u51fb\u529b\uff0c\u597d\u50cf\u9694\u4e86\u4e00\u5c42\u7eb1&#8221;**\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ed3\u8bed\uff1a\u597d\u58f0\u97f3\u662f\u7cfb\u7edf\u5de5\u7a0b\uff0c\u4e0d\u662f\u91c7\u8d2d\u884c\u4e3a<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7efc\u5408\u4ee5\u4e0a\u4e94\u4e2a\u7ef4\u5ea6\u7684\u5206\u6790\u53ef\u4ee5\u5f97\u51fa\u4e00\u4e2a\u6e05\u6670\u7684\u7ed3\u8bba\uff1a\u5bb6\u5ead\u5f71\u9662\u7684&#8221;\u597d\u58f0\u97f3&#8221;\uff0c\u662f<strong>\u7a7a\u95f4\u58f0\u5b66\u3001\u8bbe\u5907\u914d\u7f6e\u3001\u7cfb\u7edf\u6821\u51c6<\/strong>\u4e09\u8005\u9ad8\u5ea6\u534f\u540c\u4f18\u5316\u7684\u7cfb\u7edf\u5de5\u7a0b\u7ed3\u679c\uff0c\u800c\u4e0d\u662f\u67d0\u4e00\u4e2a\u6602\u8d35\u8bbe\u5907\u5355\u72ec\u80fd\u591f\u51b3\u5b9a\u7684\u3002\u82b1\u4e00\u767e\u4e07\u4e70\u8bbe\u5907\u5374\u4e0d\u505a\u58f0\u5b66\u5904\u7406\uff0c\u58f0\u97f3\u4e0d\u5982\u82b1\u4e8c\u5341\u4e07\u4f46\u8ba4\u771f\u505a\u4e86\u7a7a\u95f4\u8bbe\u8ba1\u4e0e\u6821\u51c6\u7684\u7cfb\u7edf\uff0c\u8fd9\u4e0d\u662f\u7406\u8bba\u63a8\u6d4b\uff0c\u800c\u662f\u6bcf\u5929\u90fd\u5728\u771f\u5b9e\u9879\u76ee\u4e2d\u53d1\u751f\u7684\u5de5\u7a0b\u73b0\u5b9e\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>\u8bbe\u5907\u662f\u5de5\u5177\uff0c\u7a7a\u95f4\u662f\u821e\u53f0\uff0c\u6821\u51c6\u662f\u5bfc\u6f14\u3002\u4e09\u8005\u7f3a\u4e00\u4e0d\u53ef\uff0c\u4e14\u7a7a\u95f4\u6c38\u8fdc\u662f\u6700\u5148\u9700\u8981\u88ab\u8ba4\u771f\u5bf9\u5f85\u7684\u90a3\u4e2a\u7ef4\u5ea6\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u662f\u7269\u7406\u5b66\u7684\u7ed3\u8bba\uff0c\u4e5f\u662f\u4e8c\u5341\u591a\u5e74\u4e00\u7ebf\u5b9e\u6218\u7ecf\u9a8c\u53cd\u590d\u9a8c\u8bc1\u7684\u5b9e\u8df5\u771f\u7406\u3002<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\u00a9 \u5f20\u4e4b\u5f6c \u00b7 \u6210\u90fd\u5e02\u5b8f\u5a01\u89c6\u542c\u79d1\u6280\u6709\u9650\u516c\u53f8<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8d35\uff0c\u4e0d\u7b49\u4e8e\u597d\uff1b\u597d\u8bbe\u5907\uff0c\u4e0d\u7b49\u4e8e\u597d\u58f0\u97f3 \u8fd9\u662f [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":31,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"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":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[2],"tags":[],"class_list":["post-27","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-home-theater"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u4e3a\u4ec0\u4e48\u6709\u4e9b\u5bb6\u5ead\u5f71\u9662\u8bbe\u5907\u5f88\u8d35\uff0c\u542c\u8d77\u6765\u5374\u4f9d\u7136\u4e0d\u5bf9 - \u5f6c\u54e5\u61c2\u97f3\u54cd | \u6210\u90fd\u5bb6\u5ead\u5f71\u9662\u8bbe\u8ba1\u5b89\u88c5\u4e13\u5bb6<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.bgdyx.com\/index.php\/2026\/06\/22\/27\/\" \/>\n<meta property=\"og:locale\" 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