{"id":40161,"date":"2023-09-29T02:55:59","date_gmt":"2023-09-28T18:55:59","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=40161"},"modified":"2023-09-29T02:55:59","modified_gmt":"2023-09-28T18:55:59","slug":"psxyysb","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/40161.html","title":{"rendered":"PCM\u5b9e\u73b0\u8bed\u97f3\u8bc6\u522b"},"content":{"rendered":"

  PCM\uff08Pulse Code Modulation\uff09\u662f\u4e00\u79cd\u8bed\u97f3\u4fe1\u53f7\u5904\u7406\u6280\u672f\uff0c\u5b83\u901a\u8fc7\u5c06\u8bed\u97f3\u4fe1\u53f7\u8f6c\u6362\u4e3a\u6570\u5b57\u4fe1\u53f7\uff0c\u4ece\u800c\u5b9e\u73b0\u8bed\u97f3\u7684\u6570\u5b57\u5316\u5904\u7406\u3002PCM\u5b9e\u73b0\u8bed\u97f3\u8bc6\u522b\u7684\u539f\u7406\u662f\u5c06\u8bed\u97f3\u4fe1\u53f7\u8f6c\u6362\u4e3a\u6570\u5b57\u4fe1\u53f7\uff0c\u7136\u540e\u901a\u8fc7\u6570\u5b57\u4fe1\u53f7\u5904\u7406\u6280\u672f\u8fdb\u884c\u5206\u6790\uff0c\u6700\u540e\u8bc6\u522b\u51fa\u8bed\u97f3\u4fe1\u53f7\u4e2d\u7684\u5173\u952e\u8bcd\u3002\u672c\u6587\u5c06\u5bf9PCM\u5b9e\u73b0\u8bed\u97f3\u8bc6\u522b\u7684\u539f\u7406\u3001\u8fc7\u7a0b\u4ee5\u53ca\u5e94\u7528\u8fdb\u884c\u8be6\u7ec6\u63a2\u8ba8\uff0c\u5e76\u7ed9\u51fa\u76f8\u5173\u7684\u793a\u4f8b\u3002<\/p>\n

PCM\u5b9e\u73b0\u8bed\u97f3\u8bc6\u522b\u7684\u539f\u7406<\/h2>\n

  PCM\u5b9e\u73b0\u8bed\u97f3\u8bc6\u522b\u7684\u539f\u7406\u662f\u5c06\u8bed\u97f3\u4fe1\u53f7\u8f6c\u6362\u4e3a\u6570\u5b57\u4fe1\u53f7\uff0c\u7136\u540e\u5206\u6790\u6570\u5b57\u4fe1\u53f7\uff0c\u6700\u540e\u8bc6\u522b\u51fa\u8bed\u97f3\u4fe1\u53f7\u4e2d\u7684\u5173\u952e\u8bcd\u3002\u5177\u4f53\u6765\u8bf4\uff0cPCM\u5b9e\u73b0\u8bed\u97f3\u8bc6\u522b\u7684\u8fc7\u7a0b\u5982\u4e0b\uff1a\u9996\u5148\uff0c\u5c06\u8bed\u97f3\u4fe1\u53f7\u8f6c\u6362\u4e3a\u6570\u5b57\u4fe1\u53f7\uff0c\u7136\u540e\u5bf9\u6570\u5b57\u4fe1\u53f7\u8fdb\u884c\u91c7\u6837\uff0c\u628a\u91c7\u6837\u7ed3\u679c\u8f6c\u6362\u4e3a\u6570\u5b57\u5e8f\u5217\uff0c\u6700\u540e\u901a\u8fc7\u6570\u5b57\u5e8f\u5217\u5206\u6790\u6280\u672f\u8bc6\u522b\u51fa\u5173\u952e\u8bcd\u3002<\/p>\n

PCM\u5b9e\u73b0\u8bed\u97f3\u8bc6\u522b\u7684\u8fc7\u7a0b<\/h2>\n

  1.\u8bed\u97f3\u4fe1\u53f7\u91c7\u6837<\/h3>\n

  PCM\u5b9e\u73b0\u8bed\u97f3\u8bc6\u522b\u7684\u7b2c\u4e00\u6b65\u662f\u5c06\u8bed\u97f3\u4fe1\u53f7\u8f6c\u6362\u4e3a\u6570\u5b57\u4fe1\u53f7\uff0c\u8fd9\u4e00\u6b65\u79f0\u4e3a\u8bed\u97f3\u4fe1\u53f7\u91c7\u6837\u3002\u91c7\u6837\u7684\u8fc7\u7a0b\u662f\u6307\u4ece\u8bed\u97f3\u4fe1\u53f7\u4e2d\u62bd\u53d6\u51fa\u4e00\u7cfb\u5217\u7684\u6570\u5b57\uff0c\u8fd9\u4e9b\u6570\u5b57\u8868\u793a\u8bed\u97f3\u4fe1\u53f7\u7684\u91c7\u6837\u70b9\u3002\u91c7\u6837\u70b9\u7684\u6570\u91cf\u8d8a\u591a\uff0c\u62bd\u53d6\u51fa\u6765\u7684\u6570\u5b57\u5e8f\u5217\u5c31\u8d8a\u63a5\u8fd1\u539f\u4fe1\u53f7\uff0c\u91c7\u6837\u7cbe\u5ea6\u4e5f\u5c31\u8d8a\u9ad8\u3002<\/p>\n

  2.\u6570\u5b57\u5e8f\u5217\u5206\u6790<\/h3>\n

  \u91c7\u6837\u5b8c\u6210\u540e\uff0c\u5c31\u53ef\u4ee5\u5bf9\u91c7\u6837\u7ed3\u679c\u8fdb\u884c\u5206\u6790\uff0c\u4ece\u800c\u8bc6\u522b\u51fa\u8bed\u97f3\u4fe1\u53f7\u4e2d\u7684\u5173\u952e\u8bcd\u3002PCM\u5b9e\u73b0\u8bed\u97f3\u8bc6\u522b\u7684\u5173\u952e\u5728\u4e8e\u6570\u5b57\u5e8f\u5217\u5206\u6790\uff0c\u8fd9\u4e00\u6b65\u662f\u901a\u8fc7\u6570\u5b57\u5e8f\u5217\u5206\u6790\u6280\u672f\u6765\u8bc6\u522b\u51fa\u8bed\u97f3\u4fe1\u53f7\u4e2d\u7684\u5173\u952e\u8bcd\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u6570\u5b57\u5e8f\u5217\u5206\u6790\u6280\u672f\u53ef\u4ee5\u901a\u8fc7\u6bd4\u8f83\u8bed\u97f3\u4fe1\u53f7\u7684\u9891\u7387\u7279\u5f81\uff0c\u4ece\u800c\u5206\u6790\u51fa\u8bed\u97f3\u4fe1\u53f7\u4e2d\u7684\u5173\u952e\u8bcd\u3002<\/p>\n

  3.\u8bed\u97f3\u8bc6\u522b\u7ed3\u679c<\/h3>\n

  \u6570\u5b57\u5e8f\u5217\u5206\u6790\u5b8c\u6210\u540e\uff0c\u5c31\u53ef\u4ee5\u5f97\u5230\u8bed\u97f3\u8bc6\u522b\u7684\u7ed3\u679c\u4e86\u3002PCM\u5b9e\u73b0\u8bed\u97f3\u8bc6\u522b\u7684\u7ed3\u679c\u4e00\u822c\u662f\u5173\u952e\u8bcd\uff0c\u8fd9\u4e9b\u5173\u952e\u8bcd\u53ef\u4ee5\u7528\u6765\u63a7\u5236\u8bbe\u5907\u6216\u8005\u89e6\u53d1\u7279\u5b9a\u52a8\u4f5c\u3002<\/p>\n

PCM\u5b9e\u73b0\u8bed\u97f3\u8bc6\u522b\u7684\u5e94\u7528<\/h2>\n

  1.\u667a\u80fd\u5bb6\u5c45<\/h3>\n

  PCM\u5b9e\u73b0\u8bed\u97f3\u8bc6\u522b\u7684\u5e94\u7528\u4e4b\u4e00\u662f\u667a\u80fd\u5bb6\u5c45\u3002\u667a\u80fd\u5bb6\u5c45\u901a\u8fc7PCM\u5b9e\u73b0\u8bed\u97f3\u8bc6\u522b\uff0c\u53ef\u4ee5\u5b9e\u73b0\u8bed\u97f3\u63a7\u5236\uff0c\u4ece\u800c\u6781\u5927\u5730\u63d0\u9ad8\u5bb6\u5c45\u7684\u53ef\u64cd\u4f5c\u6027\u548c\u4fbf\u6377\u6027\u3002\u6bd4\u5982\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bed\u97f3\u63a7\u5236\u706f\u5149\u3001\u7a7a\u8c03\u3001\u7535\u89c6\u7b49\u5bb6\u7535\u8bbe\u5907\uff0c\u4ece\u800c\u66f4\u52a0\u4fbf\u6377\u5730\u63a7\u5236\u5bb6\u5c45\u73af\u5883\u3002<\/p>\n

  2.\u667a\u80fd\u5bf9\u8bdd\u673a\u5668\u4eba<\/h3>\n

  \u53e6\u4e00\u4e2aPCM\u5b9e\u73b0\u8bed\u97f3\u8bc6\u522b\u7684\u5e94\u7528\u662f\u667a\u80fd\u5bf9\u8bdd\u673a\u5668\u4eba\u3002\u667a\u80fd\u5bf9\u8bdd\u673a\u5668\u4eba\u53ef\u4ee5\u901a\u8fc7PCM\u5b9e\u73b0\u8bed\u97f3\u8bc6\u522b\uff0c\u4ece\u800c\u5b9e\u73b0\u8bed\u97f3\u4ea4\u4e92\u3002\u6bd4\u5982\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bed\u97f3\u63a7\u5236\u673a\u5668\u4eba\uff0c\u8ba9\u673a\u5668\u4eba\u66f4\u52a0\u81ea\u7136\u5730\u8fdb\u884c\u5bf9\u8bdd\uff0c\u4ece\u800c\u63d0\u9ad8\u673a\u5668\u4eba\u7684\u4ea4\u4e92\u6027\u80fd\u3002<\/p>\n

  3.\u667a\u80fd\u8bed\u97f3\u52a9\u624b<\/h3>\n

  \u6700\u540e\u4e00\u4e2aPCM\u5b9e\u73b0\u8bed\u97f3\u8bc6\u522b\u7684\u5e94\u7528\u662f\u667a\u80fd\u8bed\u97f3\u52a9\u624b\u3002\u667a\u80fd\u8bed\u97f3\u52a9\u624b\u53ef\u4ee5\u901a\u8fc7PCM\u5b9e\u73b0\u8bed\u97f3\u8bc6\u522b\uff0c\u4ece\u800c\u5b9e\u73b0\u8bed\u97f3\u4ea4\u4e92\u3002\u6bd4\u5982\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bed\u97f3\u63a7\u5236\u8bed\u97f3\u52a9\u624b\uff0c\u8ba9\u8bed\u97f3\u52a9\u624b\u66f4\u52a0\u81ea\u7136\u5730\u56de\u7b54\u95ee\u9898\uff0c\u4ece\u800c\u63d0\u9ad8\u8bed\u97f3\u52a9\u624b\u7684\u4ea4\u4e92\u6027\u80fd\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  PCM\u5b9e\u73b0\u8bed\u97f3\u8bc6\u522b\u662f\u4e00\u79cd\u8bed\u97f3\u4fe1\u53f7\u5904\u7406\u6280\u672f\uff0c\u5b83\u901a\u8fc7\u5c06\u8bed\u97f3\u4fe1\u53f7\u8f6c\u6362\u4e3a\u6570\u5b57\u4fe1\u53f7\uff0c\u4ece\u800c\u5b9e\u73b0\u8bed\u97f3\u7684\u6570\u5b57\u5316\u5904\u7406\uff0c\u5e76\u8bc6\u522b\u51fa\u8bed\u97f3\u4fe1\u53f7\u4e2d\u7684\u5173\u952e\u8bcd\u3002<\/strong>PCM\u5b9e\u73b0\u8bed\u97f3\u8bc6\u522b\u7684\u8fc7\u7a0b\u4e3b\u8981\u5305\u62ec\u8bed\u97f3\u4fe1\u53f7\u91c7\u6837\u3001\u6570\u5b57\u5e8f\u5217\u5206\u6790\u4ee5\u53ca\u8bed\u97f3\u8bc6\u522b\u7ed3\u679c\uff0c\u5b83\u7684\u5e94\u7528\u5305\u62ec\u667a\u80fd\u5bb6\u5c45\u3001\u667a\u80fd\u5bf9\u8bdd\u673a\u5668\u4eba\u548c\u667a\u80fd\u8bed\u97f3\u52a9\u624b\u7b49\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

PCM\uff08PulseCodeModulation\uff09\u662f\u4e00\u79cd\u8bed\u97f3\u4fe1\u53f7\u5904\u7406\u6280\u672f\uff0c\u5b83\u901a\u8fc7\u5c06\u8bed\u97f3\u4fe1\u53f7\u8f6c\u6362\u4e3a\u6570\u5b57\u4fe1\u53f7\uff0c\u4ece\u800c\u5b9e\u73b0\u8bed\u97f3\u7684\u6570\u5b57\u5316\u5904\u7406\u3002PCM\u5b9e\u73b0\u8bed\u97f3\u8bc6\u522b\u7684\u539f\u7406\u662f\u5c06\u8bed\u97f3\u4fe1\u53f7<\/p>\n","protected":false},"author":1,"featured_media":4132,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","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":"","footnotes":""},"categories":[36],"tags":[305],"class_list":["post-40161","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-dzjs"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/40161","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/comments?post=40161"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/40161\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/4132"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=40161"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=40161"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=40161"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}