{"id":478065,"date":"2023-08-09T09:26:45","date_gmt":"2023-08-09T09:26:45","guid":{"rendered":""},"modified":"2023-09-05T11:16:00","modified_gmt":"2023-09-05T11:16:00","slug":"mp4","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/cn\/wiki\/mp4\/","title":{"rendered":"MP4"},"content":{"rendered":"<p>MP4 \u662f MPEG-4 Part 14 \u7684\u7f29\u5199\uff0c\u662f\u4e00\u79cd\u6570\u5b57\u591a\u5a92\u4f53\u5bb9\u5668\u683c\u5f0f\uff0c\u7528\u4e8e\u5b58\u50a8\u89c6\u9891\u3001\u97f3\u9891\u548c\u5176\u4ed6\u591a\u5a92\u4f53\u5185\u5bb9\u3002\u5b83\u4e8e 2003 \u5e74\u9996\u6b21\u7531\u7535\u5f71\u4e13\u5bb6\u7ec4 (MPEG) \u548c\u56fd\u9645\u6807\u51c6\u5316\u7ec4\u7ec7 (ISO) \u6807\u51c6\u5316\u3002 MP4 \u5df2\u6210\u4e3a\u5168\u7403\u6700\u6d41\u884c\u7684\u89c6\u9891\u683c\u5f0f\u4e4b\u4e00\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u6709\u6548\u5730\u538b\u7f29\u6587\u4ef6\uff0c\u540c\u65f6\u4fdd\u6301\u9ad8\u8d28\u91cf\u7684\u64ad\u653e\u3002\u5176\u591a\u529f\u80fd\u6027\u548c\u5e7f\u6cdb\u7684\u517c\u5bb9\u6027\u4f7f\u5176\u6210\u4e3a\u5404\u79cd\u5e94\u7528\u7a0b\u5e8f\u7684\u91cd\u8981\u683c\u5f0f\uff0c\u5305\u62ec\u6d41\u5a92\u4f53\u3001\u89c6\u9891\u5171\u4eab\u548c\u79fb\u52a8\u8bbe\u5907\u3002<\/p>\n<h2>MP4\u7684\u8d77\u6e90\u5386\u53f2\u53ca\u5176\u9996\u6b21\u63d0\u53ca<\/h2>\n<p>MP4 \u7684\u5f00\u53d1\u59cb\u4e8e 20 \u4e16\u7eaa 90 \u5e74\u4ee3\u672b\uff0c\u968f\u7740\u5bf9\u66f4\u5148\u8fdb\u3001\u66f4\u9ad8\u6548\u7684\u591a\u5a92\u4f53\u5bb9\u5668\u683c\u5f0f\u7684\u9700\u6c42\u4e0d\u65ad\u589e\u957f\u3002\u5728 MP4 \u4e4b\u524d\uff0cAVI \u548c MPEG-2 \u7b49\u683c\u5f0f\u88ab\u5e7f\u6cdb\u4f7f\u7528\uff0c\u4f46\u5b83\u4eec\u5728\u6587\u4ef6\u5927\u5c0f\u548c\u6d41\u5a92\u4f53\u529f\u80fd\u65b9\u9762\u5b58\u5728\u9650\u5236\u3002<\/p>\n<p>1998 \u5e74\uff0cMPEG \u59d4\u5458\u4f1a\u542f\u52a8\u4e86 MPEG-4 \u7684\u5f00\u53d1\uff0c\u8fd9\u662f\u4e00\u9879\u65e8\u5728\u63d0\u4f9b\u6539\u8fdb\u7684\u591a\u5a92\u4f53\u538b\u7f29\u548c\u7075\u6d3b\u6027\u7684\u65b0\u6807\u51c6\u3002 MP4 \u88ab\u8bbe\u8ba1\u4e3a MPEG-4 \u5957\u4ef6\u7684\u4e00\u90e8\u5206\uff0c\u4ee5\u89e3\u51b3\u65e9\u671f\u683c\u5f0f\u7684\u7f3a\u70b9\u3002\u5b83\u9996\u6b21\u88ab\u63d0\u53ca\u662f\u5728\u56fd\u9645\u6807\u51c6\u5316\u7ec4\u7ec7 2001 \u5e74\u53d1\u5e03\u7684\u4e00\u4efd\u6587\u4ef6\u4e2d\uff0c\u8be6\u7ec6\u4ecb\u7ecd\u4e86 MPEG-4 Part 14 \u683c\u5f0f\u7684\u6280\u672f\u89c4\u8303\u3002<\/p>\n<h2>MP4\u7684\u8be6\u7ec6\u4fe1\u606f<\/h2>\n<p>MP4 \u57fa\u4e8e QuickTime \u6587\u4ef6\u683c\u5f0f\u6784\u5efa\uff0c\u8be5\u683c\u5f0f\u6700\u521d\u7531 Apple \u5f00\u53d1\u3002\u8be5\u683c\u5f0f\u56e0\u5176\u652f\u6301\u5404\u79cd\u7f16\u89e3\u7801\u5668\uff08\u5305\u62ec H.264 (AVC) \u548c AAC\uff09\u800c\u5e7f\u53d7\u6b22\u8fce\uff0c\u53ef\u5b9e\u73b0\u9ad8\u6548\u7684\u89c6\u9891\u548c\u97f3\u9891\u538b\u7f29\uff0c\u800c\u4e0d\u4f1a\u663e\u7740\u964d\u4f4e\u8d28\u91cf\u3002\u6b64\u529f\u80fd\u4f7f\u5176\u6210\u4e3a\u5728\u7ebf\u6d41\u5a92\u4f53\u548c\u672c\u5730\u5b58\u50a8\u7684\u7406\u60f3\u9009\u62e9\u3002<\/p>\n<p>\u6b64\u5916\uff0cMP4 \u6587\u4ef6\u53ef\u4ee5\u8f7b\u677e\u5730\u901a\u8fc7\u4e92\u8054\u7f51\u8fdb\u884c\u6d41\u5f0f\u4f20\u8f93\uff0c\u5e76\u4e14\u4e0e\u591a\u79cd\u8bbe\u5907\u517c\u5bb9\uff0c\u4ece\u800c\u4f7f\u5e7f\u5927\u53d7\u4f17\u80fd\u591f\u8bbf\u95ee\u5b83\u4eec\u3002\u5143\u6570\u636e\u3001\u5b57\u5e55\u548c\u7ae0\u8282\u6807\u8bb0\u7684\u5305\u542b\u8fdb\u4e00\u6b65\u589e\u5f3a\u4e86\u7528\u6237\u4f53\u9a8c\uff0c\u5e76\u5141\u8bb8\u5728\u5185\u5bb9\u4e2d\u8f7b\u677e\u5bfc\u822a\u3002<\/p>\n<h2>MP4\u7684\u5185\u90e8\u7ed3\u6784\uff1aMP4\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n<p>MP4 \u6587\u4ef6\u7531\u591a\u4e2a\u6570\u636e\u6d41\u7ec4\u6210\uff0c\u5305\u62ec\u89c6\u9891\u3001\u97f3\u9891\u548c\u5b57\u5e55\u8f68\u9053\uff0c\u5168\u90e8\u5305\u542b\u5728\u4e00\u4e2a\u5bb9\u5668\u4e2d\u3002\u5bb9\u5668\u683c\u5f0f\u5141\u8bb8\u540c\u6b65\u64ad\u653e\u8fd9\u4e9b\u6d41\uff0c\u4ece\u800c\u5b9e\u73b0\u97f3\u9891\u548c\u89c6\u9891\u7684\u65e0\u7f1d\u96c6\u6210\u3002<\/p>\n<p>MP4 \u6587\u4ef6\u7684\u5185\u90e8\u7ed3\u6784\u7531\u539f\u5b50\u7ec4\u6210\uff0c\u539f\u5b50\u662f\u8be5\u683c\u5f0f\u6570\u636e\u7684\u57fa\u672c\u6784\u5efa\u5757\u3002\u539f\u5b50\u6709\u4e0d\u540c\u7c7b\u578b\uff0c\u4f8b\u5982\uff1a<\/p>\n<ol>\n<li><strong>ftyp\uff08\u6587\u4ef6\u7c7b\u578b\u6846\uff09\uff1a<\/strong> \u6807\u8bc6\u6587\u4ef6\u7c7b\u578b\u548c\u7248\u672c\u3002<\/li>\n<li><strong>moov\uff08\u7535\u5f71\u76d2\uff09\uff1a<\/strong> \u5305\u542b\u6709\u5173\u5a92\u4f53\u7684\u5143\u6570\u636e\u548c\u57fa\u672c\u4fe1\u606f\u3002<\/li>\n<li><strong>mdat\uff08\u5a92\u4f53\u6570\u636e\u6846\uff09\uff1a<\/strong> \u5b58\u50a8\u5b9e\u9645\u7684\u5a92\u4f53\u5185\u5bb9\uff0c\u4f8b\u5982\u89c6\u9891\u548c\u97f3\u9891\u5e27\u3002<\/li>\n<li><strong>trak\uff08\u8f68\u9053\u76d2\uff09\uff1a<\/strong> \u4fdd\u5b58\u6709\u5173\u5404\u4e2a\u5a92\u4f53\u8f68\u9053\uff08\u89c6\u9891\u3001\u97f3\u9891\u7b49\uff09\u7684\u4fe1\u606f\u3002<\/li>\n<li><strong>mdia\uff08\u5a92\u4f53\u76d2\uff09\uff1a<\/strong> \u5305\u542b\u7279\u5b9a\u4e8e\u5a92\u4f53\u7684\u4fe1\u606f\uff0c\u4f8b\u5982\u7f16\u89e3\u7801\u5668\u548c\u8ba1\u65f6\u3002<\/li>\n<\/ol>\n<p>\u64ad\u653e MP4 \u6587\u4ef6\u65f6\uff0c\u64ad\u653e\u5668\u9996\u5148\u8bfb\u53d6 moov \u539f\u5b50\uff0c\u5b83\u63d0\u4f9b\u89e3\u7801\u548c\u6e32\u67d3\u5185\u5bb9\u6240\u9700\u7684\u4fe1\u606f\u3002 mdat \u539f\u5b50\u5305\u542b\u538b\u7f29\u5a92\u4f53\u6570\u636e\u672c\u8eab\uff0c\u800c trak \u539f\u5b50\u63cf\u8ff0\u6bcf\u4e2a\u5a92\u4f53\u8f68\u9053\u7684\u7279\u5f81\u3002<\/p>\n<h2>MP4\u4e3b\u8981\u7279\u70b9\u5206\u6790<\/h2>\n<p>MP4 \u56e0\u5176\u4f17\u591a\u529f\u80fd\u800c\u6210\u4e3a\u9996\u9009\u7684\u591a\u5a92\u4f53\u5bb9\u5668\u683c\u5f0f\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u9ad8\u538b\u7f29\u6548\u7387\uff1a<\/strong> MP4 \u5229\u7528 H.264 \u7b49\u5148\u8fdb\u7f16\u89e3\u7801\u5668\u6765\u538b\u7f29\u5a92\u4f53\u6587\u4ef6\u800c\u4e0d\u5f71\u54cd\u8d28\u91cf\uff0c\u4f7f\u5176\u9002\u5408\u6d41\u5a92\u4f53\u548c\u5728\u7ebf\u5206\u53d1\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u591a\u529f\u80fd\u6027\uff1a<\/strong> \u8be5\u683c\u5f0f\u652f\u6301\u5404\u79cd\u97f3\u9891\u3001\u89c6\u9891\u548c\u5b57\u5e55\u7f16\u89e3\u7801\u5668\uff0c\u4ece\u800c\u53ef\u4ee5\u7075\u6d3b\u5730\u521b\u5efa\u548c\u4f7f\u7528\u5185\u5bb9\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5143\u6570\u636e\u652f\u6301\uff1a<\/strong> MP4 \u6587\u4ef6\u53ef\u4ee5\u5d4c\u5165\u5143\u6570\u636e\uff0c\u4f8b\u5982\u6807\u9898\u3001\u827a\u672f\u5bb6\u548c\u7248\u6743\u4fe1\u606f\uff0c\u4e30\u5bcc\u7528\u6237\u4f53\u9a8c\u5e76\u4fc3\u8fdb\u5a92\u4f53\u7ec4\u7ec7\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6d41\u5a92\u4f53\u529f\u80fd\uff1a<\/strong> MP4 \u80fd\u591f\u901a\u8fc7\u4e92\u8054\u7f51\u8fdb\u884c\u6d41\u5f0f\u4f20\u8f93\uff0c\u6210\u4e3a\u5728\u7ebf\u89c6\u9891\u5e73\u53f0\u548c\u76f4\u64ad\u7684\u7406\u60f3\u9009\u62e9\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5e73\u53f0\u517c\u5bb9\u6027\uff1a<\/strong> MP4 \u6587\u4ef6\u53ef\u4ee5\u5728\u591a\u79cd\u8bbe\u5907\u4e0a\u64ad\u653e\uff0c\u5305\u62ec\u8ba1\u7b97\u673a\u3001\u667a\u80fd\u624b\u673a\u3001\u5e73\u677f\u7535\u8111\u3001\u6e38\u620f\u673a\u548c\u667a\u80fd\u7535\u89c6\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>MP4\u7684\u7c7b\u578b<\/h2>\n<p>MP4 \u6709\u4e0d\u540c\u7684\u7c7b\u578b\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u6240\u4f7f\u7528\u7684\u7f16\u89e3\u7801\u5668\u548c\u529f\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684 MP4 \u7c7b\u578b\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th><strong>\u7c7b\u578b<\/strong><\/th>\n<th><strong>\u63cf\u8ff0<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u91c7\u7528 H.264 \u7684 MP4<\/td>\n<td>\u6700\u5e38\u89c1\u7684\u7c7b\u578b\uff0c\u4f7f\u7528 H.264 \u89c6\u9891\u7f16\u89e3\u7801\u5668\u548c AAC \u97f3\u9891\u7f16\u89e3\u7801\u5668\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u5e26 HEVC \u7684 MP4<\/td>\n<td>\u5229\u7528\u9ad8\u6548\u89c6\u9891\u7f16\u7801 (HEVC) \u7f16\u89e3\u7801\u5668\uff0c\u63d0\u9ad8\u538b\u7f29\u6548\u7387\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u5e26\u6709 MPEG-2 \u7684 MP4<\/td>\n<td>\u4f7f\u7528\u8f83\u65e7\u7684 MPEG-2 \u89c6\u9891\u7f16\u89e3\u7801\u5668\uff0c\u7531\u4e8e\u538b\u7f29\u80fd\u529b\u8f83\u4f4e\u800c\u4e0d\u592a\u6d41\u884c\u3002<\/td>\n<\/tr>\n<tr>\n<td>MP4 \u5e26\u5b57\u5e55<\/td>\n<td>\u5305\u542b\u5d4c\u5165\u5f0f\u5b57\u5e55\u6216\u9690\u85cf\u5f0f\u5b57\u5e55\u4ee5\u65b9\u4fbf\u8bbf\u95ee\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>MP4\u7684\u4f7f\u7528\u65b9\u6cd5\u3001\u4f7f\u7528\u4e2d\u51fa\u73b0\u7684\u95ee\u9898\u53ca\u89e3\u51b3\u65b9\u6cd5<\/h2>\n<p>MP4 \u7684\u5e94\u7528\u573a\u666f\u591a\u79cd\u591a\u6837\uff0c\u5305\u62ec\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u5728\u7ebf\u89c6\u9891\u5206\u4eab\uff1a<\/strong> YouTube \u548c Vimeo \u7b49\u6d41\u884c\u89c6\u9891\u5171\u4eab\u5e73\u53f0\u4e3b\u8981\u4f7f\u7528 MP4 \u8fdb\u884c\u5185\u5bb9\u5206\u53d1\uff0c\u56e0\u4e3a\u5b83\u5177\u6709\u6d41\u5a92\u4f53\u529f\u80fd\u548c\u5e7f\u6cdb\u7684\u517c\u5bb9\u6027\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u89c6\u9891\u6d41\u670d\u52a1\uff1a<\/strong> Netflix \u548c Amazon Prime Video \u7b49\u4e3b\u8981\u6d41\u5a92\u4f53\u670d\u52a1\u4f9d\u9760 MP4 \u5411\u6570\u767e\u4e07\u8ba2\u9605\u8005\u63d0\u4f9b\u9ad8\u8d28\u91cf\u5185\u5bb9\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u79fb\u52a8\u8bbe\u5907\uff1a<\/strong> MP4 \u662f\u79fb\u52a8\u8bbe\u5907\u7684\u9996\u9009\u683c\u5f0f\uff0c\u56e0\u4e3a\u5b83\u5728\u8d28\u91cf\u548c\u6587\u4ef6\u5927\u5c0f\u4e4b\u95f4\u63d0\u4f9b\u4e86\u5e73\u8861\uff0c\u786e\u4fdd\u5728\u667a\u80fd\u624b\u673a\u548c\u5e73\u677f\u7535\u8111\u4e0a\u6d41\u7545\u64ad\u653e\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u5c3d\u7ba1\u6709\u5176\u4f18\u70b9\uff0c\u4f46\u7528\u6237\u53ef\u80fd\u4f1a\u9047\u5230 MP4 \u6587\u4ef6\u7684\u4e00\u4e9b\u95ee\u9898\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\n<p><strong>\u64ad\u653e\u95ee\u9898\uff1a<\/strong> \u7531\u4e8e\u7f16\u89e3\u7801\u5668\u517c\u5bb9\u6027\u95ee\u9898\uff0c\u67d0\u4e9b\u5a92\u4f53\u64ad\u653e\u5668\u53ef\u80fd\u65e0\u6cd5\u89e3\u7801\u67d0\u4e9b MP4 \u6587\u4ef6\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8150\u8d25\uff1a<\/strong> MP4 \u6587\u4ef6\u53ef\u80fd\u4f1a\u635f\u574f\uff0c\u5bfc\u81f4\u64ad\u653e\u671f\u95f4\u51fa\u73b0\u9519\u8bef\u6216\u96be\u4ee5\u8bbf\u95ee\u5185\u5bb9\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\uff0c\u7528\u6237\u53ef\u4ee5\u91c7\u7528\u591a\u79cd\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n<ul>\n<li>\n<p><strong>\u7f16\u89e3\u7801\u5668\u5305\uff1a<\/strong> \u5728\u8ba1\u7b97\u673a\u4e0a\u5b89\u88c5\u7f16\u89e3\u7801\u5668\u5305\u53ef\u4ee5\u589e\u5f3a\u5a92\u4f53\u64ad\u653e\u5668\u517c\u5bb9\u6027\u5e76\u6539\u5584\u64ad\u653e\u6548\u679c\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7ef4\u4fee\u5de5\u5177\uff1a<\/strong> \u4e13\u95e8\u7684 MP4 \u4fee\u590d\u5de5\u5177\u53ef\u4ee5\u5e2e\u52a9\u4fee\u590d\u635f\u574f\u7684\u6587\u4ef6\u5e76\u6062\u590d\u4e22\u5931\u7684\u6570\u636e\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>\u4e3b\u8981\u7279\u70b9\u53ca\u4e0e\u540c\u7c7b\u672f\u8bed\u7684\u6bd4\u8f83<\/h2>\n<p>\u4ee5\u4e0b\u662f MP4 \u4e0e\u5176\u4ed6\u591a\u5a92\u4f53\u5bb9\u5668\u683c\u5f0f\u7684\u6bd4\u8f83\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th><strong>\u7279\u5f81<\/strong><\/th>\n<th><strong>MP4<\/strong><\/th>\n<th><strong>AVI<\/strong><\/th>\n<th><strong>MKV<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u89c6\u9891\u7f16\u89e3\u7801\u5668\u652f\u6301<\/td>\n<td>H.264\u3001HEVC\u3001MPEG-2<\/td>\n<td>\u5404\u79cd\u5404\u6837\u7684<\/td>\n<td>\u5404\u79cd\u5404\u6837\u7684<\/td>\n<\/tr>\n<tr>\n<td>\u97f3\u9891\u7f16\u89e3\u7801\u5668\u652f\u6301<\/td>\n<td>AAC\u3001MP3<\/td>\n<td>\u5404\u79cd\u5404\u6837\u7684<\/td>\n<td>\u5404\u79cd\u5404\u6837\u7684<\/td>\n<\/tr>\n<tr>\n<td>\u5b57\u5e55\u652f\u6301<\/td>\n<td>\u662f\u7684<\/td>\n<td>\u662f\u7684<\/td>\n<td>\u662f\u7684<\/td>\n<\/tr>\n<tr>\n<td>\u6d41\u5a92\u4f53\u529f\u80fd<\/td>\n<td>\u662f\u7684<\/td>\n<td>\u6709\u9650\u7684<\/td>\n<td>\u6709\u9650\u7684<\/td>\n<\/tr>\n<tr>\n<td>\u6587\u4ef6\u5927\u5c0f\u6548\u7387<\/td>\n<td>\u9ad8\u7684<\/td>\n<td>\u4e2d\u7b49\u7684<\/td>\n<td>\u9ad8\u7684<\/td>\n<\/tr>\n<tr>\n<td>\u5143\u6570\u636e\u652f\u6301<\/td>\n<td>\u662f\u7684<\/td>\n<td>\u6709\u9650\u7684<\/td>\n<td>\u662f\u7684<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>MP4\u76f8\u5173\u7684\u672a\u6765\u524d\u666f\u548c\u6280\u672f<\/h2>\n<p>\u968f\u7740\u6280\u672f\u7684\u8fdb\u6b65\uff0cMP4\u7684\u672a\u6765\u5f88\u53ef\u80fd\u4f1a\u5f97\u5230\u8fdb\u4e00\u6b65\u7684\u6539\u8fdb\u3002\u4e00\u4e9b\u6f5c\u5728\u7684\u53d1\u5c55\u5305\u62ec\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u589e\u5f3a\u7684\u7f16\u89e3\u7801\u5668\uff1a<\/strong> \u89c6\u9891\u548c\u97f3\u9891\u7f16\u89e3\u7801\u5668\u7684\u8fdb\u6b65\u5c06\u5e26\u6765\u66f4\u9ad8\u6548\u7684\u538b\u7f29\uff0c\u5728\u4fdd\u6301\u9ad8\u8d28\u91cf\u7684\u540c\u65f6\u51cf\u5c0f\u6587\u4ef6\u5927\u5c0f\u3002<\/p>\n<\/li>\n<li>\n<p><strong>360 \u5ea6\u89c6\u9891\u652f\u6301\uff1a<\/strong> MP4 \u9884\u8ba1\u5c06\u9002\u5e94\u865a\u62df\u73b0\u5b9e\u548c 360 \u5ea6\u89c6\u9891\u7b49\u65b0\u5174\u8d8b\u52bf\uff0c\u8fce\u5408\u4e0d\u65ad\u53d8\u5316\u7684\u5a92\u4f53\u6d88\u8d39\u4e60\u60ef\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4e92\u52a8\u529f\u80fd\uff1a<\/strong> MP4 \u7684\u672a\u6765\u8fed\u4ee3\u53ef\u80fd\u4f1a\u5305\u542b\u4ea4\u4e92\u5143\u7d20\uff0c\u4ece\u800c\u5b9e\u73b0\u66f4\u5177\u5438\u5f15\u529b\u7684\u591a\u5a92\u4f53\u4f53\u9a8c\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u5982\u4f55\u4f7f\u7528\u4ee3\u7406\u670d\u52a1\u5668\u6216\u5c06\u5176\u4e0e MP4 \u5173\u8054<\/h2>\n<p>\u4ee3\u7406\u670d\u52a1\u5668\u5728\u4f18\u5316 MP4 \u5185\u5bb9\u4ea4\u4ed8\u65b9\u9762\u53d1\u6325\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\u3002\u5b83\u4eec\u5145\u5f53\u7528\u6237\u548c\u89c6\u9891\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u4e2d\u4ecb\uff0c\u66f4\u6709\u6548\u5730\u7f13\u5b58\u548c\u4ea4\u4ed8\u5185\u5bb9\u3002\u4ee3\u7406\u670d\u52a1\u5668\u53ef\u4ee5\u5e2e\u52a9\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u52a0\u901f\u6d41\u5a92\u4f53\uff1a<\/strong> \u901a\u8fc7\u7f13\u5b58\u9760\u8fd1\u7528\u6237\u7684 MP4 \u6587\u4ef6\uff0c\u4ee3\u7406\u670d\u52a1\u5668\u53ef\u4ee5\u51cf\u5c11\u89c6\u9891\u6d41\u671f\u95f4\u7684\u7f13\u51b2\u548c\u5ef6\u8fdf\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u533f\u540d\u8bbf\u95ee\uff1a<\/strong> \u4ee3\u7406\u670d\u52a1\u5668\u5141\u8bb8\u7528\u6237\u533f\u540d\u8bbf\u95ee MP4 \u5185\u5bb9\uff0c\u7ed5\u8fc7\u67d0\u4e9b\u533a\u57df\u9650\u5236\u5e76\u786e\u4fdd\u9690\u79c1\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8282\u7701\u5e26\u5bbd\uff1a<\/strong> ISP \u548c\u5185\u5bb9\u63d0\u4f9b\u5546\u53ef\u4ee5\u4f7f\u7528\u4ee3\u7406\u670d\u52a1\u5668\u901a\u8fc7\u63d0\u4f9b\u7f13\u5b58\u7684 MP4 \u6587\u4ef6\u6765\u8282\u7701\u5e26\u5bbd\uff0c\u4ece\u800c\u51cf\u5c11\u7f51\u7edc\u8d1f\u8f7d\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u76f8\u5173\u94fe\u63a5<\/h2>\n<p>\u6709\u5173 MP4 \u7684\u66f4\u591a\u4fe1\u606f\uff0c\u60a8\u53ef\u4ee5\u8bbf\u95ee\u4ee5\u4e0b\u8d44\u6e90\uff1a<\/p>\n<ol>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/MPEG-4_Part_14\" target=\"_new\" rel=\"noopener nofollow\">MPEG-4 \u7b2c 14 \u90e8\u5206 - \u7ef4\u57fa\u767e\u79d1<\/a><\/li>\n<li><a href=\"https:\/\/www.lifewire.com\/mp4-file-4143568\" target=\"_new\" rel=\"noopener nofollow\">MP4 \u6587\u4ef6\u683c\u5f0f \u2013 \u5b83\u662f\u4ec0\u4e48\u4ee5\u53ca\u5b83\u5982\u4f55\u5de5\u4f5c\uff1f<\/a><\/li>\n<li><a href=\"https:\/\/www.learningcontainer.com\/mp4-file-extension\/\" target=\"_new\" rel=\"noopener nofollow\">MP4 \u7b80\u4ecb\uff1a\u5386\u53f2\u3001\u7528\u9014\u7b49<\/a><\/li>\n<li><a href=\"https:\/\/mpeg.chiariglione.org\/\" target=\"_new\" rel=\"noopener nofollow\">MPEG \u2013 \u8fd0\u52a8\u56fe\u50cf\u4e13\u5bb6\u7ec4<\/a><\/li>\n<\/ol>","protected":false},"featured_media":468947,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-478065","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>MP4: A Comprehensive Guide<\/mark>","faq_items":[{"question":"What is MP4?","answer":"<p>MP4, short for MPEG-4 Part 14, is a digital multimedia container format used to store video, audio, and other multimedia content. It was standardized in 2003 by the Motion Picture Experts Group (MPEG) and the International Organization for Standardization (ISO). MP4 is widely popular for its efficient compression and compatibility, making it essential for video streaming, sharing, and mobile devices.<\/p>"},{"question":"How did MP4 originate, and when was it first mentioned?","answer":"<p>The development of MP4 began in the late 1990s when there was a need for a more advanced and efficient multimedia container format. The first mention of MP4 came in 2001 in a technical document released by the International Organization for Standardization (ISO) detailing the specifications of the MPEG-4 Part 14 format.<\/p>"},{"question":"How does MP4 work internally?","answer":"<p>MP4 files consist of atoms, which are basic building blocks of data in the format. The internal structure includes atoms like ftyp, moov, mdat, trak, and mdia, which store metadata, media content, and track information. When playing an MP4 file, the player reads the moov atom to decode and render the content.<\/p>"},{"question":"What are the key features of MP4?","answer":"<p>MP4 stands out for its high compression efficiency, versatility in supporting various codecs, metadata support, and seamless streaming capabilities. It is widely compatible with different devices, making it an ideal choice for content creators and consumers.<\/p>"},{"question":"What types of MP4 files exist?","answer":"<p>There are different types of MP4 files based on the codecs and features used. Some common types include MP4 with H.264, MP4 with HEVC, MP4 with MPEG-2, and MP4 with embedded subtitles.<\/p>"},{"question":"How is MP4 used, and what problems may arise?","answer":"<p>MP4 is used for online video sharing, streaming services, and on mobile devices due to its quality and compatibility. Problems with MP4 files may include playback issues or corruption. Solutions involve installing codec packs and using specialized repair tools.<\/p>"},{"question":"How does the future look for MP4?","answer":"<p>The future of MP4 involves enhanced codecs for better compression, support for emerging trends like 360-degree video, and potentially interactive features for more engaging experiences.<\/p>"},{"question":"How are proxy servers associated with MP4?","answer":"<p>Proxy servers optimize MP4 content delivery by caching files closer to users, accelerating streaming, enabling anonymous access, and saving bandwidth for content providers and ISPs.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki\/478065","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki\/478065\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/media\/468947"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/media?parent=478065"}],"curies":[{"name":"\u53ef\u6e7f\u6027\u7c89\u5242","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}