{"id":35250,"date":"2026-08-14T16:49:59","date_gmt":"2026-08-14T08:49:59","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-cn\/why-packet-loss-and-jitter-ruin-live-streaming-not-latency\/"},"modified":"2026-08-14T16:53:24","modified_gmt":"2026-08-14T08:53:24","slug":"why-packet-loss-and-jitter-ruin-live-streaming-not-latency","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-cn\/blog\/why-packet-loss-and-jitter-ruin-live-streaming-not-latency\/","title":{"rendered":"\u4e3a\u4ec0\u4e48\u76f4\u64ad\u6d41\u5a92\u4f53\u670d\u52a1\u5668\u4e2d\u7684\u4e22\u5305\u548c\u6296\u52a8\u6bd4\u5ef6\u8fdf\u66f4\u53ef\u6015"},"content":{"rendered":"<style>\n    table, th, td {\n        border: 1px solid black;\n        border-collapse: collapse;\n    }\n<\/style>\n<p>\u4f60\u53ef\u80fd\u8ba4\u4e3a\uff0c\u5ef6\u8fdf\u4f1a\u5f7b\u5e95\u6bc1\u6389\u4f60\u7684\u89c6\u9891\u89c2\u770b\u4f53\u9a8c\u3002\u57fa\u7840\u5ef6\u8fdf\u53ea\u662f\u4e00\u79cd\u7b80\u5355\u3001\u9759\u6001\u7684\u65f6\u95f4\u504f\u79fb\u3002\u5b83\u4f1a\u628a\u4f60\u7684\u89c2\u770b\u65f6\u95f4\u7ebf\u6574\u4f53\u5411\u540e\u63a8\u79fb\u51e0\u79d2\u949f\uff0c\u4f46\u53ef\u4ee5\u4fdd\u7559 100% \u7684\u89c6\u9891\u5e27\u548c\u6570\u636e\u5b8c\u6574\u6027\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u5f53\u7f51\u7edc\u4e2d\u51fa\u73b0\u4e22\u5305\u548c\u6296\u52a8\u65f6\uff0c\u76f4\u64ad\u6d41\u5a92\u4f53\u670d\u52a1\u5668\uff08\u4f8b\u5982\u4f60\u7684 <a target=\"_self\" href=\"https:\/\/www.varidata.com\/zh-cn\/server\/tokyo\/cn2\/\">\u65e5\u672c\u670d\u52a1\u5668<\/a>\uff09\u5c31\u4f1a\u5f00\u59cb\u6323\u624e\u3002\u4e22\u5305\u4f1a\u8ba9\u5173\u952e\u6570\u636e\u6c38\u4e45\u4e22\u5931\uff0c\u4f60\u4f1a\u770b\u5230\u753b\u9762\u7f3a\u5e27\u3001\u4e25\u91cd\u9a6c\u8d5b\u514b\u3001\u4ee5\u53ca\u523a\u8033\u6df7\u4e71\u7684\u97f3\u9891\u3002\u4e0e\u6b64\u540c\u65f6\uff0c\u6296\u52a8\u4f1a\u5e26\u6765\u4e0d\u53ef\u9884\u671f\u7684\u65f6\u5e8f\u6ce2\u52a8\uff0c\u8fd9\u4e9b\u6ce2\u52a8\u4f1a\u5e72\u6270\u89c6\u9891\u89e3\u7801\u5668\u5e76\u7834\u574f\u64ad\u653e\u540c\u6b65\u3002\u89c2\u4f17\u5176\u5b9e\u53ef\u4ee5\u8f7b\u677e\u5bb9\u5fcd\u7a33\u5b9a\u7684\u591a\u79d2\u7ea7\u5ef6\u8fdf\uff0c\u4f46\u4e0d\u7a33\u5b9a\u7684\u4f20\u8f93\u4e0e\u7f3a\u5931\u7684\u6570\u636e\u5305\u5374\u4f1a\u4e00\u6b21\u53c8\u4e00\u6b21\u5730\u771f\u5b9e\u7834\u574f\u76f4\u64ad\u5a92\u4f53\u7684\u64ad\u653e\u4f53\u9a8c\u3002\u4f60\u8fd8\u53ef\u80fd\u5728\u89c2\u770b <a target=\"_self\" href=\"https:\/\/www.varidata.com\/zh-cn\/blog\/how-to-troubleshoot-obs-streaming-connection-issues\/\">\u76f4\u64ad\u5a92\u4f53<\/a> \u65f6\u9891\u7e41\u906d\u9047\u8fd9\u4e9b\u95ee\u9898\u3002<\/p>\n<h2>\u5173\u952e\u8981\u70b9<\/h2>\n<ul>\n<li>\n<p>\u7b80\u5355\u7684\u64ad\u653e\u5ef6\u8fdf\u53ea\u662f\u628a\u89c2\u770b\u65f6\u95f4\u6574\u4f53\u540e\u79fb\uff0c\u5e76\u4e0d\u4f1a\u635f\u5bb3\u753b\u9762\u8d28\u91cf\u3002<\/p>\n<\/li>\n<li>\n<p>\u4e22\u5305\u4f1a\u8ba9\u89c6\u9891\u6570\u636e\u6c38\u4e45\u4e22\u5931\uff0c\u5bfc\u81f4\u660e\u663e\u7684\u753b\u9762\u7455\u75b5\u548c\u9a6c\u8d5b\u514b\u3002<\/p>\n<\/li>\n<li>\n<p>\u7f51\u7edc\u6296\u52a8\u4f1a\u6539\u53d8\u6570\u636e\u5305\u5230\u8fbe\u65f6\u95f4\uff0c\u4ece\u800c\u7834\u574f\u89c6\u9891\u548c\u97f3\u9891\u7684\u6b63\u786e\u89e3\u7801\u3002<\/p>\n<\/li>\n<li>\n<p>\u73b0\u4ee3\u6d41\u5a92\u4f53\u534f\u8bae\uff08\u5982 SRT\uff09\u53ef\u4ee5\u91cd\u4f20\u4e22\u5931\u7684\u6570\u636e\u5305\uff0c\u8ba9\u89c6\u9891\u4fdd\u6301\u6d41\u7545\u3002<\/p>\n<\/li>\n<li>\n<p>\u5408\u7406\u8bbe\u7f6e\u6296\u52a8\u7f13\u51b2\uff0c\u53ef\u5728\u6076\u52a3\u7f51\u7edc\u73af\u5883\u4e0b\u4fdd\u62a4\u76f4\u64ad\u6d41\u4e0d\u81f3\u4e8e\u9891\u7e41\u5361\u987f\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>\u4f5c\u4e3a\u53ef\u9884\u6d4b\u65f6\u95f4\u504f\u79fb\u7684\u5ef6\u8fdf<\/h2>\n<h3>\u4f20\u64ad\u4e0e\u5904\u7406\u5ef6\u8fdf<\/h3>\n<p>\u4f60\u611f\u53d7\u5230\u7684\u57fa\u7840\u5ef6\u8fdf\uff0c\u672c\u8d28\u4e0a\u662f\u4ece\u7269\u7406\u6444\u50cf\u673a\u62cd\u6444\u5230\u5c4f\u5e55\u663e\u793a\u4e4b\u95f4\u7684\u4e00\u4e2a\u53ef\u9884\u6d4b\u65f6\u95f4\u504f\u79fb\u3002\u8fd9\u79cd\u521d\u59cb\u5ef6\u8fdf\uff0c\u4f1a\u5728\u76f4\u64ad\u89c6\u9891\u4fe1\u53f7\u7a7f\u8d8a\u5168\u7403\u4e92\u8054\u7f51\u57fa\u7840\u8bbe\u65bd\u65f6\u81ea\u7136\u7d2f\u79ef\u3002\u8ddd\u79bb\u4f1a\u5e26\u6765\u4e0d\u53ef\u907f\u514d\u7684\u4f20\u64ad\u5ef6\u8fdf\uff0c\u56e0\u4e3a\u5149\u8109\u51b2\u9700\u8981\u65f6\u95f4\u5728\u5149\u7ea4\u4e2d\u4f20\u64ad\u3002<\/p>\n<p>\u5728\u6838\u5fc3\u5a92\u4f53\u5904\u7406\u6d41\u7a0b\u4e2d\uff0c\u76f4\u64ad\u6d41\u5a92\u4f53\u670d\u52a1\u5668\u8fd8\u4f1a\u5f15\u5165\u5fc5\u8981\u7684\u5904\u7406\u5ef6\u8fdf\uff1a<\/p>\n<div fullwidth=\"\" class=\"qc-default-table-wrapper \">\n<table style=\"min-width: 50px;\">\n<colgroup>\n<col style=\"min-width: 25px;\">\n<col style=\"min-width: 25px;\">\n          <\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u5904\u7406\u9636\u6bb5<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u5178\u578b\u5ef6\u8fdf<\/p>\n<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u91c7\u96c6 \/ \u7f16\u7801<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>2\u2013120 ms<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u6e90\u7ad9\u6253\u5305<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>50\u2013500 ms<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u672a\u4f18\u5316\u961f\u5217<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>1\u20132 s<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<p>\u786c\u4ef6\u7f16\u7801\u5668\u5728\u8fdb\u884c H.264 \u6216 HEVC \u538b\u7f29\u65f6\u901a\u5e38\u9700\u8981 2\u2013120 ms\u3002\u6e90\u7ad9\u6253\u5305\u5668\u5728\u751f\u6210 HLS \u6216 DASH \u5207\u7247\u65f6\u9700\u8981 50\u2013500 ms\u3002\u672a\u4f18\u5316\u7684\u63a5\u5165\u961f\u5217\u8fd8\u53ef\u80fd\u989d\u5916\u5e26\u6765 1\u20132 \u79d2\u7684\u5ef6\u8fdf\u3002\u8fd9\u4e9b\u76f8\u5bf9\u6052\u5b9a\u7684\u5ef6\u65f6\uff0c\u53ea\u662f\u628a\u4f60\u7684\u89c2\u770b\u65f6\u95f4\u6574\u4f53\u5411\u540e\u5e73\u79fb\uff0c\u5374\u4e0d\u4f1a\u7834\u574f\u89c6\u9891\u7684\u539f\u59cb\u7ed3\u6784\u3002<\/p>\n<h3>\u4fdd\u6301\u6d41\u7684\u5b8c\u6574\u6027<\/h3>\n<p>\u53ef\u9884\u6d4b\u7684\u5ef6\u8fdf\u66f4\u50cf\u662f\u4e00\u79cd\u6709\u5e8f\u7f13\u51b2\uff0c\u800c\u4e0d\u662f\u6bc1\u574f\u5a92\u4f53\u7684\u6545\u969c\u70b9\u3002\u4f20\u8f93\u534f\u8bae\u4f1a\u901a\u8fc7\u4e0d\u540c\u7684\u67b6\u6784\u65b9\u5f0f\u6765\u7ba1\u7406\u8fd9\u79cd\u65f6\u95f4\u504f\u79fb\uff1a<\/p>\n<div fullwidth=\"\" class=\"qc-default-table-wrapper \">\n<table style=\"min-width: 75px;\">\n<colgroup>\n<col style=\"min-width: 25px;\">\n<col style=\"min-width: 25px;\">\n<col style=\"min-width: 25px;\">\n          <\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u534f\u8bae<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u5178\u578b\u5ef6\u8fdf<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u5ef6\u8fdf\u7ea7\u522b<\/p>\n<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>RTMP<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>5 \u79d2\uff085,000 ms\uff09<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u4f4e<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>SRT<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>120 ms\u20134,000 ms<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u4e2d<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<p>RTMP \u4e00\u822c\u53ef\u4ee5\u628a\u76f4\u64ad\u5ef6\u8fdf\u63a7\u5236\u5728\u5927\u7ea6 5 \u79d2\uff085,000 ms\uff09\u5de6\u53f3\uff0c\u5c5e\u4e8e\u4f4e\u5ef6\u8fdf\u3002SRT \u901a\u5e38\u5de5\u4f5c\u5728 120 ms\u20134,000 ms \u7684\u4e2d\u7b49\u5ef6\u8fdf\u8303\u56f4\u5185\uff0c\u4f60\u53ef\u4ee5\u6839\u636e\u5f80\u8fd4\u65f6\u5ef6\uff08RTT\uff09\u548c\u91cd\u4f20\u9700\u6c42\u6765\u914d\u7f6e SRT \u7684\u5ef6\u8fdf\u53c2\u6570\u3002\u4f8b\u5982\uff0c\u5f80\u8fd4\u65f6\u5ef6\u4e3a 50 ms \u7684\u94fe\u8def\u901a\u5e38\u4f1a\u8bbe\u7f6e\u7ea6 200 ms \u7684\u5ef6\u8fdf\uff0c\u800c\u536b\u661f\u94fe\u8def\u5219\u9700\u8981\u66f4\u9ad8\u7684\u5ef6\u8fdf\u9884\u7b97\u3002<\/p>\n<p>\u53ea\u8981\u8fde\u63a5\u4e2d\u7684\u5ef6\u8fdf\u7ef4\u6301\u7a33\u5b9a\uff0c\u4f60\u5c31\u80fd\u6309\u987a\u5e8f\u6536\u5230\u6bcf\u4e00\u4e2a\u5a92\u4f53\u5e27\u3002\u670d\u52a1\u5668\u4f1a\u6709\u5e8f\u5730\u901a\u8fc7\u7f51\u7edc\u53d1\u9001\u5173\u952e\u5e27\u3001\u5dee\u503c\u5e27\u548c\u97f3\u9891\u5305\u3002\u56fa\u5b9a\u7684\u65f6\u95f4\u504f\u79fb\u5728\u4fdd\u7559\u5b8c\u6574\u6d41\u6570\u636e\u7684\u540c\u65f6\uff0c\u4e0d\u4f1a\u5f15\u5165\u53ef\u89c1\u7684\u4f2a\u5f71\u3002\u7531\u4e8e\u6570\u636e\u5305\u6309\u7a33\u5b9a\u8282\u594f\u5230\u8fbe\uff0c\u89c6\u9891\u89e3\u7801\u5668\u53ef\u4ee5\u5e73\u6ed1\u8f93\u51fa\u9ad8\u8d28\u91cf\u753b\u9762\u3002<\/p>\n<h2>\u4e22\u5305\u548c\u6296\u52a8\u5982\u4f55\u6270\u4e71\u76f4\u64ad\u6d41\u5a92\u4f53\u670d\u52a1\u5668<\/h2>\n<p>\u4e0d\u7a33\u5b9a\u7684\u7f51\u7edc\u8fde\u63a5\u4f1a\u4e25\u91cd\u7834\u574f\u76f4\u64ad\u5a92\u4f53\u7684\u4f20\u8f93\u8d28\u91cf\u3002\u4e22\u5305\u548c\u65f6\u5ef6\u6296\u52a8\u4f1a\u4e3b\u52a8\u7834\u574f\u76f4\u64ad\u6d41\u5a92\u4f53\u670d\u52a1\u5668\u4e0a\u7684\u64ad\u653e\u8d28\u91cf\u3002\u4efb\u4f55\u65f6\u5019\u53ea\u8981\u7f51\u7edc\u4e22\u5931\u5a92\u4f53\u6570\u636e\u5305\uff0c\u4f60\u5c31\u4f1a\u7acb\u5373\u770b\u5230\u753b\u9762\u5f02\u5e38\u548c\u607c\u4eba\u7684\u89c6\u9891\u5361\u987f\u3002<\/p>\n<h3>\u6570\u636e\u5b8c\u6574\u6027\u4e0e\u7f3a\u5931\u753b\u9762<\/h3>\n<p>\u73b0\u4ee3\u89c6\u9891\u538b\u7f29\u9ad8\u5ea6\u4f9d\u8d56\u53c2\u8003\u5e27\u6765\u6784\u5efa\u8fde\u8d2f\u7684\u753b\u9762\u3002\u5982\u679c\u4e00\u4e2a P \u5e27\u6216\u53c2\u8003 B \u5e27\u88ab\u4e22\u5f03\u6216\u635f\u574f\uff0c\u4f9d\u8d56\u5b83\u4eec\u7684\u540e\u7eed\u5e27\u5c31\u65e0\u6cd5\u6b63\u786e\u89e3\u7801\u3002\u5f53\u53d1\u751f\u8fd9\u4e9b\u4e22\u5305\u65f6\uff0c\u4f60\u4f1a\u5728\u76f4\u64ad\u753b\u9762\u4e2d\u770b\u5230\u4e25\u91cd\u7684\u89c6\u89c9\u7455\u75b5\u3002\u901a\u5e38\u5728\u4e00\u4e2a\u5168\u65b0\u7684 I \u5e27\u5230\u6765\u4e4b\u524d\uff0c\u89c6\u9891\u89e3\u7801\u5668\u5f88\u96be\u4ece\u8fd9\u79cd\u635f\u574f\u4e2d\u6062\u590d\u3002I \u5e27\u53ef\u4ee5\u72ec\u7acb\u89e3\u7801\uff0c\u5e76\u8ba9\u6574\u4e2a\u89c6\u9891\u5e8f\u5217\u91cd\u65b0\u56de\u5230\u5e72\u51c0\u72b6\u6001\u3002<\/p>\n<p>\u5728\u81ea\u9002\u5e94\u7801\u7387\uff08ABR\uff09\u76f4\u64ad\u4e2d\uff0c\u6bcf\u4e2a\u5207\u7247\u6bb5\u5f00\u5934\u90fd\u4f1a\u5e26\u6709\u4e00\u4e2a IDR \u5e27\uff0c\u6bcf\u4e00\u6bb5\u90fd\u53ef\u4ee5\u72ec\u7acb\u89e3\u7801\u3002\u4e22\u5f03 P \u5e27\u6216 B \u5e27\u867d\u7136\u4f1a\u5728\u77ed\u65f6\u95f4\u5185\u635f\u5bb3\u753b\u8d28\uff0c\u4f46\u64ad\u653e\u4f1a\u5728\u4e0b\u4e00\u4e2a IDR \u6bb5\u5230\u6765\u540e\u6062\u590d\u6b63\u5e38\uff0c\u8be5\u65b0\u5207\u7247\u4f1a\u91cd\u7f6e\u89e3\u7801\u5668\u5e76\u5f7b\u5e95\u6e05\u9664\u53ef\u89c1\u7684\u753b\u9762\u7455\u75b5\u3002<\/p>\n<p>\u7f51\u7edc\u6296\u52a8\u4f1a\u9020\u6210\u5230\u8fbe\u65f6\u5e8f\u7684\u6ce2\u52a8\uff0c\u4ece\u800c\u610f\u5916\u8017\u5c3d\u5ba2\u6237\u7aef\u7f13\u51b2\u533a\u3002\u6bd4\u5982\u8bf4\uff0cTCP \u5bf9\u4e71\u5e8f\u6570\u636e\u5305\u7684\u6570\u91cf\u6709\u4e25\u683c\u9650\u5236\uff0c\u8d85\u8fc7\u9608\u503c\u5c31\u4f1a\u4e22\u5f03\u8be5\u6279\u6570\u636e\u5e76\u91cd\u65b0\u8bf7\u6c42\u3002\u6296\u52a8\u4f1a\u8ba9\u6570\u636e\u5305\u4e71\u5e8f\u5230\u8fbe\uff0c\u4ece\u800c\u89e6\u53d1\u4e22\u5f03\u4e0e\u91cd\u4f20\u3002\u5f53\u5ba2\u6237\u7aef\u91cd\u65b0\u8bf7\u6c42\u6570\u636e\u671f\u95f4\uff0c\u6ca1\u6709\u65b0\u7684\u5a92\u4f53\u6570\u636e\u8fdb\u5165\u7f13\u51b2\u533a\uff0c\u77ed\u65f6\u95f4\u5185\u5c31\u4f1a\u5bfc\u81f4\u7f13\u51b2\u88ab\u8017\u5c3d\uff0c\u753b\u9762\u7acb\u523b\u51bb\u7ed3\u3002<\/p>\n<p>\u5982\u679c\u4f60\u7684\u7f51\u7edc\u5b9e\u9645\u541e\u5410\u7387\u521a\u597d\u7b49\u4e8e\u89c6\u9891\u7801\u7387\uff0c\u90a3\u4e48\u4efb\u4f55\u4e00\u70b9\u5c0f\u7684\u7f51\u7edc\u6296\u52a8\u90fd\u53ef\u80fd\u8fc5\u901f\u5403\u6389\u4f60\u7684\u7f13\u51b2\u5a92\u4f53\u3002\u50cf Emby\u3001Jellyfin \u8fd9\u6837\u7684\u5a92\u4f53\u5e73\u53f0\u5f88\u597d\u5730\u5c55\u793a\u4e86\u7f13\u51b2\u533a\u5927\u5c0f\u662f\u5982\u4f55\u62b5\u6d88\u7f51\u7edc\u4e0d\u7a33\u5b9a\u7684\uff1a\u67d0\u4e9b\u8fdc\u7a0b\u7528\u6237\u5728 Emby \u4e0a\u4f1a\u65f6\u4e0d\u65f6\u51fa\u73b0\u7f13\u51b2\u88ab\u8017\u5c3d\u7684\u95ee\u9898\uff0c\u5373\u4fbf\u6d4b\u901f\u7ed3\u679c\u770b\u8d77\u6765\u5f88\u597d\uff1b\u4f46\u5207\u6362\u5230\u5177\u6709\u66f4\u5927\u7f13\u51b2\u533a\u7684 Jellyfin \u540e\uff0c\u901a\u8fc7\u5438\u6536\u77ed\u65f6\u5e26\u5bbd\u6ce2\u52a8\u5c31\u80fd\u907f\u514d\u64ad\u653e\u4e2d\u65ad\u3002<\/p>\n<h3>\u91cd\u4f20\u5f00\u9500\u4e0e\u62e5\u585e<\/h3>\n<p>\u53d1\u751f\u4e22\u5305\u65f6\uff0c\u76f4\u64ad\u6d41\u5a92\u4f53\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u8bbe\u5907\u90fd\u4e0d\u5f97\u4e0d\u91cd\u65b0\u53d1\u9001\u4e22\u5931\u6570\u636e\u3002\u73b0\u4ee3\u4f20\u8f93\u534f\u8bae\u901a\u8fc7\u4e0d\u540c\u7684\u91cd\u4f20\u7b56\u7565\u6765\u5904\u7406\u4e22\u5931\u6062\u590d\uff1a<\/p>\n<div fullwidth=\"\" class=\"qc-default-table-wrapper \">\n<table style=\"min-width: 75px;\">\n<colgroup>\n<col style=\"min-width: 25px;\">\n<col style=\"min-width: 25px;\">\n<col style=\"min-width: 25px;\">\n          <\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u534f\u8bae<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u4e22\u5305\u6062\u590d\u80fd\u529b<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u91cd\u4f20 \/ \u5f00\u9500\u884c\u4e3a<\/p>\n<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>RIST<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5728 100% \u989d\u5916\u5f00\u9500\u4e0b\u53ef\u6062\u590d\u6700\u9ad8 25% \u4e22\u5305\uff0c\u5728 200% \u5f00\u9500\u4e0b\u53ef\u6062\u590d\u6700\u9ad8 50% \u4e22\u5305\uff0c\u53ef\u6301\u7eed\u627f\u53d7\u6700\u9ad8\u7ea6 55% \u4e22\u5305\uff0c\u4ee5\u53ca\u6700\u9ad8\u7ea6 86% \u7684\u77ed\u671f\u7a81\u53d1\u4e22\u5305<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>ARQ \u4ec5\u4f7f\u7528 NACK\uff0c\u53ef\u51cf\u5c11\u91cd\u4f20\u6240\u6d88\u8017\u7684\u5e26\u5bbd<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>SRT<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5728\u7ea6 10\u201312% \u4e22\u5305\u7387\u4e0b\u4f9d\u7136\u8868\u73b0\u826f\u597d\uff0c\u5728 15% \u4ee5\u4e0a\u65f6\u6548\u7387\u4f1a\u663e\u8457\u4e0b\u964d\u751a\u81f3\u5b8c\u5168\u5931\u6548<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u57fa\u4e8e NAK \u7684\u9009\u62e9\u6027\u91cd\u4f20\uff1b\u540c\u65f6\u4f7f\u7528 NACK \u548c ACK\uff1b\u4f1a\u5c3d\u5feb\u91cd\u53d1\u4e22\u5931\u6570\u636e\u5305\uff0c\u4f46\u5728\u9ad8\u8bef\u7801\u7387\u4e0b\uff0c\u91cd\u4f20\u53ef\u80fd\u4f1a\u6324\u5360\u7a84\u5e26\u94fe\u8def\u5e26\u5bbd\u5e76\u9020\u6210\u989d\u5916\u62e5\u585e<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<p>SRT \u5728 UDP \u4e4b\u4e0a\u5b9e\u73b0\u9009\u62e9\u6027\u91cd\u4f20\u3002\u63a5\u6536\u7aef\u4e3a\u6bcf\u4e00\u4e2a\u4e22\u5931\u7684\u6570\u636e\u5305\u53d1\u9001\u5355\u4e2a NAK\uff0c\u53d1\u9001\u7aef\u53ea\u91cd\u4f20\u8be5\u4e22\u5931\u7684\u6570\u636e\u5305\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u5982\u679c\u5ef6\u8fdf\u9884\u7b97\u5927\u7ea6\u662f\u56db\u500d\u5f80\u8fd4\u65f6\u5ef6\uff0c\u90a3\u4e48\u53ef\u4ee5\u5bb9\u7eb3\u5927\u7ea6\u4e09\u6b21\u91cd\u4f20\u5c1d\u8bd5\uff0c\u4e4b\u540e\u624d\u4f1a\u4e22\u5f03\u6765\u5f97\u592a\u665a\u7684\u6570\u636e\u5305\u3002\u6bcf\u4e00\u6b21\u91cd\u4f20\u5931\u8d25\uff0c\u90fd\u4f1a\u518d\u589e\u52a0\u4e00\u4e2a\u5b8c\u6574\u7684\u5f80\u8fd4\u65f6\u5ef6\u5230\u6d41\u7684\u603b\u5ef6\u8fdf\u4e0a\u3002<\/p>\n<p>\u5728\u67d0\u4e2a\u5b9e\u9645\u751f\u4ea7\u73af\u5883\u4e2d\uff0c\u665a\u9ad8\u5cf0\u65f6\u6bb5 SRT \u7684 NAK \u6570\u91cf\u4e00\u5ea6\u8fbe\u5230\u603b\u5305\u6570\u7684 1.8%\u3002\u5728 400 ms \u7684\u5ef6\u8fdf\u9884\u7b97\u5185\uff0c\u8fd9\u4e9b\u91cd\u4f20\u4ecd\u80fd\u6309\u65f6\u5230\u8fbe\uff0c\u4ece\u800c\u4fdd\u6301\u4e86\u5e72\u51c0\u7684\u76f4\u64ad\u753b\u9762\u3002\u4f46\u5f53\u9519\u8bef\u7387\u975e\u5e38\u9ad8\u65f6\uff0c\u76f4\u64ad\u6d41\u5a92\u4f53\u670d\u52a1\u5668\u4e0d\u5f97\u4e0d\u4e0d\u65ad\u91cd\u53d1\u4e22\u5931\u7684\u6570\u636e\u5305\uff0c\u8fd9\u79cd\u6301\u7eed\u91cd\u4f20\u4f1a\u5f15\u53d1\u4e8c\u6b21\u7f51\u7edc\u62e5\u585e\uff0c\u5f88\u5feb\u5403\u5149\u7a84\u5e26\u94fe\u8def\u7684\u53ef\u7528\u5e26\u5bbd\uff0c\u5e76\u5728\u6574\u4e2a\u7f51\u7edc\u4e2d\u5f15\u5165\u4e25\u91cd\u6296\u52a8\u3002<\/p>\n<h2>\u6296\u52a8\u5bf9\u89e3\u7801\u5668\u65f6\u949f\u548c\u97f3\u9891\u7684\u5f71\u54cd<\/h2>\n<h3>\u89e3\u7801\u5668\u65f6\u949f\u5931\u6b65<\/h3>\n<p>\u7f51\u7edc\u6296\u52a8\u4f1a\u6539\u53d8\u6570\u636e\u5305\u5230\u8fbe\u65f6\u95f4\uff0c\u6253\u4e71\u5a92\u4f53\u89e3\u7801\u5668\u5185\u90e8\u7684\u65f6\u949f\u540c\u6b65\u3002\u786c\u4ef6\u89c6\u9891\u89e3\u7801\u5668\u4f9d\u8d56\u8282\u76ee\u65f6\u949f\u53c2\u8003\uff08PCR\uff09\u65f6\u95f4\u6233\u6765\u5e73\u6ed1\u5bf9\u9f50\u97f3\u89c6\u9891\u8f93\u51fa\u3002\u6807\u51c6 MPEG-2 \u7cfb\u7edf\u901a\u5e38\u8981\u6c42 PCR \u7cbe\u5ea6\u5728 \u00b1500 ns \u4ee5\u5185\uff0c\u800c DVB TR 101 290 \u8981\u6c42 PCR \u6f02\u79fb\u7387\u4f4e\u4e8e 75 mHz\/s\uff08\u7ea6 2.77 ppb\/s\uff09\u3002\u9ad8\u6296\u52a8\u4f1a\u4f7f\u6570\u636e\u5305\u95f4\u9694\u8d85\u51fa\u8fd9\u4e9b\u4e25\u683c\u9650\u5236\u3002<\/p>\n<p>MPEG-2 \u7801\u6d41\u8981\u6c42 PCR \u95f4\u9694 \u2264100 ms\uff0c\u800c DVB \u7f51\u7edc\u5219\u8981\u6c42 \u226440 ms\u3002\u5ef6\u8fdf\u7684\u6570\u636e\u5305\u4f1a\u8ba9\u89e3\u7801\u5668\u4e2d\u7684\u9501\u76f8\u73af\uff08PLL\uff09\u5f00\u59cb\u201c\u6447\u6446\u201d\u3002\u5f53 PCR \u9891\u504f\u8fbe\u5230 \u00b1810 Hz\uff08\u00b130 ppm\uff09\u65f6\uff0c\u65f6\u949f\u9891\u7387\u4f1a\u5728\u4e00\u6bb5\u65f6\u95f4\u5185\u504f\u79fb\uff0c\u8fd9\u4f1a\u8ba9\u64ad\u653e\u7f13\u51b2\u533a\u7684\u586b\u5145\u6216\u6d88\u8017\u90fd\u53d8\u5f97\u4e0d\u51c6\u786e\u3002\u5c4f\u5e55\u4f1a\u51fa\u73b0\u5468\u671f\u6027\u6389\u5e27\u548c\u5fae\u5361\u987f\u3002\u5982\u679c\u5728 2 \u5c0f\u65f6\u540e\u97f3\u9891\u7d2f\u8ba1\u5ef6\u8fdf\u8fbe\u5230 40 ms\uff0c\u5373\u4fbf\u89e3\u7801\u5668\u4ecd\u5728\u5bb9\u5dee\u8303\u56f4\u4e4b\u5185\u9501\u5b9a\uff0c\u4f60\u4f9d\u7136\u4f1a\u660e\u663e\u5bdf\u89c9\u5230\u53e3\u578b\u4e0d\u540c\u6b65\u3002<\/p>\n<h3>\u97f3\u9891\u5931\u771f\u4e0e\u753b\u9762\u5361\u987f<\/h3>\n<p>\u4e0d\u7a33\u5b9a\u7684\u6570\u636e\u5305\u5230\u8fbe\u95f4\u9694\u4f1a\u663e\u8457\u964d\u4f4e\u5b9e\u65f6\u97f3\u89c6\u9891\u6e32\u67d3\u7684\u8868\u73b0\u3002\u6296\u52a8\u4f1a\u5728\u6570\u636e\u5305\u8fdf\u5230\u65f6\u8017\u5c3d\u64ad\u653e\u7f13\u51b2\u3002WebRTC \u4e2d\u7684 NetEQ \u7cfb\u7edf\u4f1a\u5bf9 RTP \u6570\u636e\u5305\u8fdb\u884c\u7f13\u51b2\uff0c\u4ee5\u5e94\u5bf9\u4e71\u5e8f\u6216\u5ef6\u8fdf\u3002\u53ef\u662f\uff0c\u5982\u679c\u5230\u8fbe\u65f6\u95f4\u7684\u6ce2\u52a8\u5e45\u5ea6\u8d85\u8fc7\u4e86\u7f13\u51b2\u6df1\u5ea6\uff0c\u5c31\u4f1a\u51fa\u73b0\u660e\u663e\u7684\u97f3\u9891\u7834\u574f\uff1a\u4f60\u4f1a\u542c\u5230\u6e05\u6670\u7684\u7206\u97f3\u3001\u567c\u556a\u58f0\u4ee5\u53ca\u77ed\u6682\u7684\u9759\u97f3\u3002<\/p>\n<p>\u5f53\u6296\u52a8\u8d85\u8fc7 30 ms \u65f6\uff0c\u97f3\u9891\u4f1a\u53d8\u5f97\u50cf\u673a\u68b0\u4eba\u8bf4\u8bdd\u4e00\u6837\u65ad\u65ad\u7eed\u7eed\uff0c\u753b\u9762\u4e5f\u4f1a\u53d8\u5f97\u652f\u79bb\u7834\u788e\u3002<\/p>\n<div fullwidth=\"\" class=\"qc-default-table-wrapper \">\n<table style=\"min-width: 75px;\">\n<colgroup>\n<col style=\"min-width: 25px;\">\n<col style=\"min-width: 25px;\">\n<col style=\"min-width: 25px;\">\n          <\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u539f\u56e0\uff08\u7f51\u7edc\u6296\u52a8\uff09<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u64ad\u653e\u5f71\u54cd<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u7f13\u89e3\u7b56\u7565<\/p>\n<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u6570\u636e\u5305\u5ef6\u8fdf\u5bfc\u81f4\u7f13\u51b2\u8017\u5c3d<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u97f3\u9891\u7206\u97f3\u3001\u567c\u556a\u58f0\u3001\u673a\u68b0\u4eba\u58f0\u548c\u89c6\u9891\u5361\u987f<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>NetEQ \u7f13\u51b2\u3001\u524d\u5411\u7ea0\u9519\uff08FEC\uff09\u4ee5\u53ca\u5ba2\u6237\u7aef\u5e27\u7387\u8c03\u6574<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u591a\u64ad IPTV \u4e2d\u4e0d\u7a33\u5b9a\u7684\u6570\u636e\u5305\u5230\u8fbe<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u89c6\u9891\u5361\u987f\u3001\u97f3\u9891\u5b8c\u5168\u4e2d\u65ad<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u4f7f\u7528\u6296\u52a8\u6781\u4f4e\u7684\u76f4\u64ad\u6d41\u5a92\u4f53\u670d\u52a1\u5668\uff08\u5982 Flussonic Media Server\uff09<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<p>\u5728\u591a\u64ad IPTV \u573a\u666f\u4e2d\uff0c\u63a5\u6536\u7aef\u5728\u670d\u52a1\u5668\u6570\u636e\u5305\u5230\u8fbe\u4e0d\u7a33\u5b9a\u65f6\u5f88\u96be\u91cd\u65b0\u7ec4\u5408\u5b8c\u6574\u7684\u89c6\u9891\u6d41\uff0c\u8fd9\u4f1a\u5bfc\u81f4\u660e\u663e\u7684\u753b\u9762\u5361\u987f\u3002\u7f51\u7edc\u4e0d\u7a33\u5b9a\u5f80\u5f80\u662f\u4e22\u5305\u548c\u6296\u52a8\u53e0\u52a0\u51fa\u73b0\uff0c\u5373\u4f7f\u4e22\u5305\u7387\u53ea\u6709 1%\uff0c\u4e5f\u8db3\u4ee5\u9020\u6210\u53ef\u89c1\u7684\u5927\u5757\u9a6c\u8d5b\u514b\u3001\u4e25\u91cd\u50cf\u7d20\u5316\u4ee5\u53ca\u5b8c\u5168\u7684\u97f3\u9891\u4e2d\u65ad\u3002<\/p>\n<h2>\u56fa\u5b9a\u5ef6\u8fdf\u4e0e\u6d41\u635f\u574f\u7684\u5bf9\u6bd4<\/h2>\n<h3>\u88ab\u52a8\u65f6\u6ede vs \u4e3b\u52a8\u52a3\u5316<\/h3>\n<p>\u5728\u89c2\u770b\u76f4\u64ad\u65f6\uff0c\u4f60\u901a\u5e38\u53ef\u4ee5\u8f7b\u677e\u63a5\u53d7\u7a33\u5b9a\u7684 3 \u79d2\u5ef6\u8fdf\u3002\u53ef\u9884\u6d4b\u7684\u5ef6\u8fdf\u53ea\u662f\u8ba9\u4f60\u6bd4\u73b0\u573a\u89c2\u4f17\u665a\u51e0\u79d2\u770b\u5230\u4e8b\u4ef6\u672c\u8eab\uff0c\u4f46\u4f60\u4ecd\u7136\u4eab\u53d7\u6e05\u6670\u7684\u753b\u9762\u548c\u5b8c\u5168\u540c\u6b65\u7684\u97f3\u9891\u8f93\u51fa\u3002<\/p>\n<p>\u76f8\u53cd\uff0c\u4e3b\u52a8\u7684\u6d41\u52a3\u5316\u4f1a\u7acb\u523b\u8ba9\u89c2\u4f17\u6d41\u5931\u3002\u4e22\u5305\u4f1a\u5bfc\u81f4\u753b\u9762\u51bb\u7ed3\u3001\u9a6c\u8d5b\u514b\u548c\u542b\u7cca\u4e0d\u6e05\u7684\u8bed\u97f3\u3002\u5c24\u5176\u662f\u5728\u5173\u952e\u65f6\u523b\u97f3\u9891\u7a81\u7136\u6d88\u5931\u65f6\uff0c\u4f60\u7684\u632b\u8d25\u611f\u4f1a\u77ac\u95f4\u62c9\u6ee1\u3002<\/p>\n<p>\u7f51\u7edc\u4e22\u5305\u76f4\u63a5\u5a01\u80c1\u5b9e\u65f6\u5a92\u4f53\u7684\u4f20\u8f93\u3002\u4f8b\u5982\uff0c5% \u7684\u4e22\u5305\u7387\u4f1a\u5bf9\u4e0d\u540c\u534f\u8bae\u4ea7\u751f\u622a\u7136\u4e0d\u540c\u7684\u5f71\u54cd\uff1a<\/p>\n<ul>\n<li>\n<p>SRT \u53ef\u4ee5\u5feb\u901f\u68c0\u6d4b\u5230\u4e22\u5931\u7684\u6570\u636e\u5305\u5e8f\u53f7\uff0c\u5e76\u5411\u53d1\u9001\u7aef\u8bf7\u6c42\u91cd\u4f20\u3002\u5b83\u53ef\u4ee5\u8ba9\u64ad\u653e\u4f9d\u7136\u4fdd\u6301\u6d41\u7545\uff0c\u5c06\u6574\u4f53\u753b\u8d28\u7ef4\u6301\u5728\u5927\u7ea6 90% \u5de6\u53f3\uff0c\u5e76\u4fdd\u8bc1\u8fde\u63a5\u7a33\u5b9a\u5b58\u5728\u3002<\/p>\n<\/li>\n<li>\n<p>WebRTC \u4f9d\u8d56\u8282\u594f\u5316\u7684\u64ad\u653e\u65f6\u949f\uff0c\u5728\u6807\u51c6\u914d\u7f6e\u4e0b\u5e76\u6ca1\u6709\u5185\u5efa\u7684 ARQ \u91cd\u4f20\u673a\u5236\u3002\u5bf9\u4e8e\u8d85\u8fc7\u64ad\u653e\u65f6\u9650\u624d\u5230\u8fbe\u7684\u6570\u636e\u5305\uff0c\u5b83\u4f1a\u76f4\u63a5\u4e22\u5f03\uff0c\u4ece\u800c\u5e26\u6765\u660e\u663e\u7684\u753b\u9762\u7834\u635f\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u76f4\u64ad\u6d41\u5a92\u4f53\u670d\u52a1\u5668\u4e25\u91cd\u4f9d\u8d56\u53ef\u9884\u6d4b\u7684\u6570\u636e\u5305\u5230\u8fbe\u65f6\u95f4\u6765\u7ef4\u6301\u89e3\u7801\u5668\u7a33\u5b9a\u3002\u56fa\u5b9a\u5ef6\u8fdf\u53ef\u4ee5\u5728\u7f51\u7edc\u4e0a\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u4fdd\u6301\u6570\u636e\u5b8c\u6574\uff0c\u800c\u5f97\u4e0d\u5230\u6062\u590d\u7684\u4e22\u5305\u5219\u4f1a\u77ac\u95f4\u6467\u6bc1\u5a92\u4f53\u8d28\u91cf\u3002<\/p>\n<h3>\u4f20\u8f93\u534f\u8bae\u4e0e\u7f13\u51b2\u97e7\u6027<\/h3>\n<p>\u73b0\u4ee3\u4f20\u8f93\u534f\u8bae\u5f80\u5f80\u7528\u5c11\u91cf\u5ef6\u8fdf\u6362\u53d6\u5728\u4e0d\u7a33\u5b9a\u7f51\u7edc\u4e0a\u7684\u6574\u4f53\u6d41\u53ef\u9760\u6027\u3002SRT \u548c RIST \u4f7f\u7528\u667a\u80fd\u7684 UDP \u4f20\u8f93\u6765\u66ff\u4ee3\u4f20\u7edf\u7684 TCP \u8fde\u63a5\u3002<\/p>\n<div fullwidth=\"\" class=\"qc-default-table-wrapper \">\n<table style=\"min-width: 75px;\">\n<colgroup>\n<col style=\"min-width: 25px;\">\n<col style=\"min-width: 25px;\">\n<col style=\"min-width: 25px;\">\n          <\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u534f\u8bae<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u4e22\u5305\u4fdd\u62a4\u673a\u5236<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u4e22\u5305\u5904\u7406\u4e0e\u5f00\u9500\u6743\u8861<\/p>\n<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>SRT<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5728 UDP \u4e4b\u4e0a\u4f7f\u7528 ARQ \u5f0f\u9009\u62e9\u6027\u91cd\u4f20\uff0c\u9002\u7528\u4e8e\u5355\u64ad\u94fe\u8def<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u9762\u5411\u4f4e\u81f3\u4e2d\u5ea6\u4e22\u5305\uff08\u7ea6 10\u201312%\uff09\uff0c\u5728\u6062\u590d\u4e22\u5305\u7684\u540c\u65f6\uff0c\u5c06\u7aef\u5230\u7aef\u5ef6\u8fdf\u63a7\u5236\u5728 1 \u79d2\u4ee5\u5185<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>RIST<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u7ed3\u5408 ARQ \u4e0e FEC\uff0c\u81ea\u9002\u5e94\u4e8e\u5e7f\u64ad\u7ea7\u7f51\u7edc<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5728\u5927\u91cf\u4e22\u5305\uff0825\u201350%\uff09\u4e0b\u4f9d\u7136\u4fdd\u6301\u7a33\u5b9a\uff0c\u4f46\u9700\u8981 100\u2013200% \u7684\u91cd\u4f20\u5f00\u9500<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<p>SRT \u907f\u514d\u4e86\u5197\u957f\u7684 TCP \u63e1\u624b\uff0c\u53ef\u4ee5\u628a\u7aef\u5230\u7aef\u5ef6\u8fdf\u76ee\u6807\u8bbe\u5b9a\u5230 120 ms \u8fd9\u4e00\u91cf\u7ea7\u3002SRT \u901a\u8fc7 ARQ \u673a\u5236\u91cd\u4f20\u4e22\u5931\u6570\u636e\uff0c\u800c\u4e0d\u4f1a\u5b8c\u5168\u963b\u585e\u76f4\u64ad\u6d41\uff0c\u5b83\u53ea\u8bf7\u6c42\u771f\u6b63\u4e22\u5931\u7684\u90a3\u90e8\u5206\u6570\u636e\u5305\u3002\u8fd9\u79cd\u9009\u62e9\u6027\u7b56\u7565\u65e2\u4fdd\u7559\u4e86\u6574\u4f53\u541e\u5410\u7387\uff0c\u53c8\u80fd\u5728\u62e5\u6324\u7684\u8702\u7a9d\u7f51\u7edc\u4e0a\u7ef4\u6301\u4e9a\u79d2\u7ea7\u5ef6\u8fdf\u3002<\/p>\n<p>\u5728\u76f4\u64ad\u6d41\u5a92\u4f53\u670d\u52a1\u5668\u4e0a\u6b63\u786e\u914d\u7f6e\u6296\u52a8\u7f13\u51b2\uff0c\u53ef\u4ee5\u4e3b\u52a8\u9632\u6b62\u4e0d\u540c\u7f51\u7edc\u8def\u5f84\u4e0a\u56e0\u6296\u52a8\u9020\u6210\u7684\u7f13\u51b2\u8017\u5c3d\u3002<\/p>\n<div fullwidth=\"\" class=\"qc-default-table-wrapper \">\n<table style=\"min-width: 75px;\">\n<colgroup>\n<col style=\"min-width: 25px;\">\n<col style=\"min-width: 25px;\">\n<col style=\"min-width: 25px;\">\n          <\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u573a\u666f<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u63a8\u8350\u6296\u52a8\u7f13\u51b2<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u64cd\u4f5c\u5efa\u8bae<\/p>\n<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u79c1\u6709\u5c40\u57df\u7f51<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>60 ms<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5728\u7a33\u5b9a\u94fe\u8def\u4e0a\u53ef\u8bbe\u7f6e\u4e3a\u6781\u4f4e\u5ef6\u8fdf\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u672c\u5730\u94fe\u8def<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>100\u2013200 ms<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u6709\u7ebf\u8fde\u63a5\u901a\u5e38\u4f7f\u7528\u8f83\u4f4e\u8303\u56f4\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u56fd\u5185\u94fe\u8def<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>100\u2013300 ms<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5728\u6574\u4f53\u753b\u8d28\u4e0e\u5ef6\u8fdf\u4e4b\u95f4\u53d6\u5f97\u5e73\u8861\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u56fd\u9645\u94fe\u8def<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>100\u2013400 ms<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u9002\u5e94\u8de8\u56fd\u5e7f\u57df\u7f51\u66f4\u9ad8\u7684\u5ef6\u8fdf\u548c\u6296\u52a8\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u65e0\u7ebf\u7f51\u7edc<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>250\u2013750 ms<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5438\u6536\u591a\u7528\u6237\u65e0\u7ebf\u7f51\u7edc\u4e2d\u7a81\u53d1\u6296\u52a8\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u536b\u661f IP<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>500\u2013999 ms<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u8865\u507f\u6781\u9ad8\u5ef6\u8fdf\u4e0e\u6296\u52a8\u73af\u5883\u3002<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<p>\u5728\u5a92\u4f53\u8bbe\u5907\u4e0a\uff0c\u4f60\u5e94\u5c06\u81ea\u52a8\u6296\u52a8\u6df1\u5ea6\u8bbe\u7f6e\u5728 60\u20131000 ms \u4e4b\u95f4\uff0c\u5e76\u4e14\u81f3\u5c11\u8981\u5728\u6b63\u5f0f\u5f00\u64ad\u524d 5 \u5206\u949f\u63a5\u5165\u7f51\u7edc\u3002\u8fd9\u6bb5\u9884\u8fde\u63a5\u65f6\u95f4\u53ef\u4ee5\u8ba9\u7f16\u89e3\u7801\u5668\u6d4b\u91cf\u5b9e\u65f6\u7f51\u7edc\u72b6\u51b5\uff0c\u5e76\u81ea\u52a8\u8c03\u6574\u7f13\u51b2\u5927\u5c0f\u3002<\/p>\n<p>\u7ecf\u8fc7\u5408\u7406\u8c03\u6821\u7684\u6296\u52a8\u7f13\u51b2\uff0c\u53ef\u4ee5\u5728\u6570\u636e\u5305\u8fdb\u5165\u89c6\u9891\u89e3\u7801\u5668\u4e4b\u524d\uff0c\u5c31\u5438\u6536\u7edd\u5927\u90e8\u5206\u5230\u8fbe\u65f6\u95f4\u7684\u6ce2\u52a8\u3002\u76f4\u64ad\u6d41\u5a92\u4f53\u670d\u52a1\u5668\u901a\u8fc7\u4e3a ARQ \u91cd\u4f20\u7559\u8db3\u5230\u8fbe\u65f6\u95f4\uff0c\u4f7f\u5f97\u4e22\u5931\u7684\u6570\u636e\u5305\u80fd\u5728\u4e0d\u6253\u65ad\u64ad\u653e\u7684\u524d\u63d0\u4e0b\u987a\u5229\u8865\u9f50\u3002<\/p>\n<div dividerstyle=\"solid\" size=\"large\" color=\"#D1D1D1\" class=\"qc-divider-wrapper\">\n<div class=\"qc-divider\" style=\"border-top-style: solid; width: 100%; border-top-color: rgb(209, 209, 209);\"><\/div><\/div>\n<p>\u57fa\u7840\u5ef6\u8fdf\u53ea\u662f\u7b80\u5355\u5730\u628a\u4f60\u7684\u89c2\u770b\u65f6\u95f4\u7ebf\u5411\u540e\u79fb\u52a8\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u4e22\u5305\u548c\u7f51\u7edc\u6296\u52a8\u624d\u662f\u771f\u6b63\u7684\u5a92\u4f53\u6545\u969c\u6a21\u5f0f\uff1a\u5b83\u4eec\u4f1a\u6bc1\u6389\u89c6\u9891\u5e27\u3001\u7834\u574f\u97f3\u9891\u5e76\u8ba9\u89e3\u7801\u5668\u65f6\u949f\u5931\u6b65\u3002\u56e0\u6b64\uff0c\u5728\u67b6\u6784\u76f4\u64ad\u4f20\u8f93\u65b9\u6848\u65f6\uff0c\u4f60\u5e94\u8be5\u4f18\u5148\u4fdd\u8bc1\u7f51\u7edc\u7a33\u5b9a\u6027\u3001\u53ef\u9760\u6570\u636e\u4ea4\u4ed8\u4e0e\u5408\u7406\u7684\u6296\u52a8\u7f13\u51b2\u914d\u7f6e\uff0c\u800c\u4e0d\u662f\u4e00\u5473\u8ffd\u9010\u6781\u9650\u4f4e\u5ef6\u8fdf\u3002<\/p>\n<p>\u901a\u8fc7\u91c7\u7528\u5177\u5907\u5f39\u6027\u7279\u6027\u7684\u4f20\u8f93\u534f\u8bae\u4ee5\u53ca\u4e25\u683c\u7684 QoS \u8bbe\u7f6e\uff0c\u4f60\u53ef\u4ee5\u5207\u5b9e\u4fdd\u62a4\u76f4\u64ad\u6d41\u5a92\u4f53\u670d\u52a1\u5668\u3002\u4f8b\u5982\uff0cSRT \u534f\u8bae\u53ef\u4ee5\u5728\u9ad8\u8fbe 10% \u7684\u4e22\u5305\u7387\u4e0b\uff0c\u4ecd\u7136\u63a7\u5236\u753b\u8d28\u4e0d\u51fa\u73b0\u660e\u663e\u52a3\u5316\uff0c\u540c\u65f6\u5e73\u6ed1\u5904\u7406\u7f51\u7edc\u6296\u52a8\u3002\u50cf EBU Eurovision \u5149\u7ea4\u7f51\u7edc\u8fd9\u6837\u7684\u4f01\u4e1a\u7ea7\u57fa\u7840\u8bbe\u65bd\uff0c\u6bcf\u5e74\u8981\u4f20\u8f93\u8d85\u8fc7 80,000 \u5c0f\u65f6\u7684\u76f4\u64ad\u8282\u76ee\uff0c\u5b83\u4eec\u4f9d\u6258\u9ad8\u53ef\u9760\u6027\u7684\u4f20\u8f93\u5e73\u53f0\u6765\u5b8c\u6210\u8fd9\u9879\u4efb\u52a1\u3002\u4e3a\u4f60\u7684\u76f4\u64ad\u73af\u5883\u9009\u62e9\u5e76\u6b63\u786e\u914d\u7f6e\u8fd9\u4e9b\u9ad8\u53ef\u9760\u534f\u8bae\uff0c\u624d\u80fd\u771f\u6b63\u4fdd\u6301\u753b\u9762\u59cb\u7ec8\u5e72\u51c0\u987a\u7545\u3002<\/p>\n<h2>\u5e38\u89c1\u95ee\u7b54\uff08FAQ\uff09<\/h2>\n<h3>\u4e3a\u4ec0\u4e48\u56fa\u5b9a\u5ef6\u8fdf\u4e0d\u4f1a\u6bc1\u6389\u4f60\u7684\u76f4\u64ad\u89c6\u9891\uff1f<\/h3>\n<p>\u56fa\u5b9a\u5ef6\u8fdf\u53ea\u662f\u7528\u4e00\u4e2a\u6052\u5b9a\u7684\u65f6\u95f4\u504f\u79fb\u63a8\u8fdf\u4f60\u7684\u64ad\u653e\u3002\u76f4\u64ad\u6d41\u5a92\u4f53\u670d\u52a1\u5668\u4ecd\u4f1a\u4ee5\u6b63\u786e\u7684\u987a\u5e8f\u4ea4\u4ed8 100% \u7684\u5a92\u4f53\u5e27\u3002\u7531\u4e8e\u6570\u636e\u5305\u7684\u5230\u8fbe\u8282\u594f\u5b8c\u5168\u53ef\u9884\u6d4b\uff0c\u89c6\u9891\u89e3\u7801\u5668\u53ef\u4ee5\u8f93\u51fa\u5e73\u6ed1\u7684\u753b\u9762\u548c\u6e05\u6670\u7684\u97f3\u9891\u3002<\/p>\n<h3>\u4e22\u5305\u662f\u5982\u4f55\u9020\u6210\u660e\u663e\u753b\u9762\u7455\u75b5\u7684\uff1f<\/h3>\n<p>\u4e22\u5305\u4f1a\u8ba9\u5173\u952e\u53c2\u8003\u5e27\u7b49\u91cd\u8981\u6570\u636e\u4e22\u5931\u3002\u6ca1\u6709\u8fd9\u4e9b\u6570\u636e\uff0c\u89e3\u7801\u5668\u5c31\u65e0\u6cd5\u6784\u9020\u4f9d\u8d56\u7684 P \u5e27\u6216 B \u5e27\u3002\u4f60\u4f1a\u770b\u5230\u5927\u5757\u9a6c\u8d5b\u514b\u3001\u50cf\u7d20\u5316\u4ee5\u53ca\u753b\u9762\u51bb\u7ed3\uff0c\u76f4\u5230\u65b0\u7684\u4e00\u5e27\u5173\u952e\u5e27\u5230\u6765\uff0c\u91cd\u65b0\u8ba9\u89c6\u9891\u5e8f\u5217\u56de\u5230\u5e72\u51c0\u72b6\u6001\u3002<\/p>\n<h3>\u4f20\u8f93\u534f\u8bae\u80fd\u5426\u5728\u4e0d\u5361\u987f\u7684\u60c5\u51b5\u4e0b\u6062\u590d\u4e22\u5931\u6570\u636e\uff1f<\/h3>\n<p>\u53ef\u4ee5\u3002SRT \u7b49\u534f\u8bae\u4f1a\u5728 UDP \u4e4b\u4e0a\u4f7f\u7528\u9009\u62e9\u6027\u91cd\u4f20\u673a\u5236\u3002\u5728\u4e22\u5305\u7387\u9ad8\u8fbe 10% \u6216 12% \u7684\u7f51\u7edc\u73af\u5883\u4e2d\uff0cSRT \u4f9d\u7136\u53ef\u4ee5\u5feb\u901f\u6062\u590d\u4e22\u5931\u5206\u7ec4\u3002\u53ea\u8981\u5ef6\u8fdf\u9884\u7b97\u7559\u5f97\u8db3\u591f\uff0c\u91cd\u4f20\u5305\u5c31\u80fd\u5728\u64ad\u653e\u671f\u9650\u4e4b\u524d\u5230\u8fbe\uff0c\u4ece\u800c\u907f\u514d\u753b\u9762\u505c\u987f\u3002<\/p>\n<h3>\u4e3a\u4ec0\u4e48\u9ad8\u6296\u52a8\u4f1a\u5bfc\u81f4\u97f3\u9891\u5931\u771f\uff1f<\/h3>\n<p>\u6296\u52a8\u4f1a\u4e0d\u53ef\u9884\u6d4b\u5730\u6539\u53d8\u6570\u636e\u5305\u5230\u8fbe\u65f6\u95f4\u3002\u5f53\u6570\u636e\u5305\u5230\u8fbe\u592a\u665a\u65f6\uff0c\u4f1a\u6bd4\u65b0\u6570\u636e\u5199\u5165\u7684\u901f\u5ea6\u66f4\u5feb\u8017\u5c3d\u64ad\u653e\u7f13\u51b2\u3002\u7f13\u51b2\u88ab\u8017\u5c3d\u540e\uff0c\u97f3\u9891\u7cfb\u7edf\u53ea\u80fd\u4e22\u5f03\u90e8\u5206\u91c7\u6837\uff0c\u8fd9\u5c31\u4f1a\u4ea7\u751f\u7206\u97f3\u3001\u567c\u556a\u58f0\u4ee5\u53ca\u201c\u673a\u68b0\u4eba\u201d\u5f0f\u7684\u5931\u771f\u6548\u679c\u3002<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u4f60\u53ef\u80fd\u8ba4\u4e3a\uff0c\u5ef6\u8fdf\u4f1a\u5f7b\u5e95\u6bc1\u6389\u4f60\u7684\u89c6\u9891\u89c2\u770b\u4f53\u9a8c\u3002\u57fa\u7840\u5ef6\u8fdf\u53ea\u662f\u4e00\u79cd\u7b80\u5355\u3001\u9759\u6001\u7684\u65f6\u95f4\u504f\u79fb\u3002\u5b83\u4f1a\u628a\u4f60\u7684\u89c2\u770b\u65f6\u95f4\u7ebf\u6574\u4f53\u5411\u540e\u63a8\u79fb\u51e0\u79d2\u949f\uff0c\u4f46\u53ef\u4ee5\u4fdd\u7559 100% \u7684\u89c6\u9891\u5e27\u548c\u6570\u636e\u5b8c\u6574\u6027\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u5f53\u7f51\u7edc\u4e2d\u51fa\u73b0\u4e22\u5305\u548c\u6296\u52a8\u65f6\uff0c\u76f4\u64ad\u6d41\u5a92\u4f53\u670d\u52a1\u5668\uff08\u4f8b\u5982\u4f60\u7684 \u65e5\u672c\u670d\u52a1\u5668\uff09\u5c31\u4f1a\u5f00\u59cb\u6323\u624e\u3002\u4e22\u5305\u4f1a\u8ba9\u5173\u952e\u6570\u636e\u6c38\u4e45\u4e22\u5931\uff0c\u4f60\u4f1a\u770b\u5230\u753b\u9762\u7f3a\u5e27\u3001\u4e25\u91cd\u9a6c\u8d5b\u514b\u3001\u4ee5\u53ca\u523a\u8033\u6df7\u4e71\u7684\u97f3\u9891\u3002\u4e0e\u6b64\u540c\u65f6\uff0c\u6296\u52a8\u4f1a\u5e26\u6765\u4e0d\u53ef\u9884\u671f\u7684\u65f6\u5e8f\u6ce2\u52a8\uff0c\u8fd9\u4e9b\u6ce2\u52a8\u4f1a\u5e72\u6270\u89c6\u9891\u89e3\u7801\u5668\u5e76\u7834\u574f\u64ad\u653e\u540c\u6b65\u3002\u89c2\u4f17\u5176\u5b9e\u53ef\u4ee5\u8f7b\u677e\u5bb9\u5fcd\u7a33\u5b9a\u7684\u591a\u79d2\u7ea7\u5ef6\u8fdf\uff0c\u4f46\u4e0d\u7a33\u5b9a\u7684\u4f20\u8f93\u4e0e\u7f3a\u5931\u7684\u6570\u636e\u5305\u5374\u4f1a\u4e00\u6b21\u53c8\u4e00\u6b21\u5730\u771f\u5b9e\u7834\u574f\u76f4\u64ad\u5a92\u4f53\u7684\u64ad\u653e\u4f53\u9a8c\u3002\u4f60\u8fd8\u53ef\u80fd\u5728\u89c2\u770b \u76f4\u64ad\u5a92\u4f53 \u65f6\u9891\u7e41\u906d\u9047\u8fd9\u4e9b\u95ee\u9898\u3002 \u5173\u952e\u8981\u70b9 \u7b80\u5355\u7684\u64ad\u653e\u5ef6\u8fdf\u53ea\u662f\u628a\u89c2\u770b\u65f6\u95f4\u6574\u4f53\u540e\u79fb\uff0c\u5e76\u4e0d\u4f1a\u635f\u5bb3\u753b\u9762\u8d28\u91cf\u3002 \u4e22\u5305\u4f1a\u8ba9\u89c6\u9891\u6570\u636e\u6c38\u4e45\u4e22\u5931\uff0c\u5bfc\u81f4\u660e\u663e\u7684\u753b\u9762\u7455\u75b5\u548c\u9a6c\u8d5b\u514b\u3002 \u7f51\u7edc\u6296\u52a8\u4f1a\u6539\u53d8\u6570\u636e\u5305\u5230\u8fbe\u65f6\u95f4\uff0c\u4ece\u800c\u7834\u574f\u89c6\u9891\u548c\u97f3\u9891\u7684\u6b63\u786e\u89e3\u7801\u3002 \u73b0\u4ee3\u6d41\u5a92\u4f53\u534f\u8bae\uff08\u5982 SRT\uff09\u53ef\u4ee5\u91cd\u4f20\u4e22\u5931\u7684\u6570\u636e\u5305\uff0c\u8ba9\u89c6\u9891\u4fdd\u6301\u6d41\u7545\u3002 \u5408\u7406\u8bbe\u7f6e\u6296\u52a8\u7f13\u51b2\uff0c\u53ef\u5728\u6076\u52a3\u7f51\u7edc\u73af\u5883\u4e0b\u4fdd\u62a4\u76f4\u64ad\u6d41\u4e0d\u81f3\u4e8e\u9891\u7e41\u5361\u987f\u3002 \u4f5c\u4e3a\u53ef\u9884\u6d4b\u65f6\u95f4\u504f\u79fb\u7684\u5ef6\u8fdf \u4f20\u64ad\u4e0e\u5904\u7406\u5ef6\u8fdf \u4f60\u611f\u53d7\u5230\u7684\u57fa\u7840\u5ef6\u8fdf\uff0c\u672c\u8d28\u4e0a\u662f\u4ece\u7269\u7406\u6444\u50cf\u673a\u62cd\u6444\u5230\u5c4f\u5e55\u663e\u793a\u4e4b\u95f4\u7684\u4e00\u4e2a\u53ef\u9884\u6d4b\u65f6\u95f4\u504f\u79fb\u3002\u8fd9\u79cd\u521d\u59cb\u5ef6\u8fdf\uff0c\u4f1a\u5728\u76f4\u64ad\u89c6\u9891\u4fe1\u53f7\u7a7f\u8d8a\u5168\u7403\u4e92\u8054\u7f51\u57fa\u7840\u8bbe\u65bd\u65f6\u81ea\u7136\u7d2f\u79ef\u3002\u8ddd\u79bb\u4f1a\u5e26\u6765\u4e0d\u53ef\u907f\u514d\u7684\u4f20\u64ad\u5ef6\u8fdf\uff0c\u56e0\u4e3a\u5149\u8109\u51b2\u9700\u8981\u65f6\u95f4\u5728\u5149\u7ea4\u4e2d\u4f20\u64ad\u3002 \u5728\u6838\u5fc3\u5a92\u4f53\u5904\u7406\u6d41\u7a0b\u4e2d\uff0c\u76f4\u64ad\u6d41\u5a92\u4f53\u670d\u52a1\u5668\u8fd8\u4f1a\u5f15\u5165\u5fc5\u8981\u7684\u5904\u7406\u5ef6\u8fdf\uff1a \u5904\u7406\u9636\u6bb5 \u5178\u578b\u5ef6\u8fdf \u91c7\u96c6 \/ \u7f16\u7801 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