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Table of Contents 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Smooth Streaming\u3001Adobe Dynamic Streaming\u3001HTTP Live Streaming\u3001MPEG-DASH\u306a\u3069\uff09\u3001GYAO!\u3084Yahoo!\u3000JAPAN\u306a\u3069\u304c\u63a1\u7528\u3057\u3066\u3044\u305f[1]\u3002 \u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u5c02\u7528\u30d7\u30ed\u30c8\u30b3\u30eb[\u7de8\u96c6] \u30d6\u30e9\u30a6\u30b6\u6a19\u6e96\u5bfe\u5fdc\u306e\u30d7\u30ed\u30c8\u30b3\u30eb[\u7de8\u96c6] HTTP 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of Contents\u30d7\u30ed\u30b0\u30ec\u30c3\u30b7\u30d6\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9[\u7de8\u96c6]\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u5c02\u7528\u30d7\u30ed\u30c8\u30b3\u30eb[\u7de8\u96c6]\u30d6\u30e9\u30a6\u30b6\u6a19\u6e96\u5bfe\u5fdc\u306e\u30d7\u30ed\u30c8\u30b3\u30eb[\u7de8\u96c6]\u30d6\u30e9\u30a6\u30b6\u518d\u751f\u306b\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u5fc5\u8981\u3068\u306a\u308b\u30d7\u30ed\u30c8\u30b3\u30eb[\u7de8\u96c6]P2P\u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8\u914d\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb[\u7de8\u96c6]\u901a\u4fe1\u7d4c\u8def\u306e\u6697\u53f7\u5316[\u7de8\u96c6]\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u7528DRM[\u7de8\u96c6]UltraViolet[\u7de8\u96c6]\u30ec\u30ac\u30b7\u30fc[\u7de8\u96c6]\u4e3b\u306a\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u30b5\u30fc\u30d0[\u7de8\u96c6]\u4e3b\u306a\u958b\u767a\u505c\u6b62\u4e2d\u306e\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u30b5\u30fc\u30d0[\u7de8\u96c6]\u4e3b\u306a\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u5316\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2[\u7de8\u96c6]\u30af\u30e9\u30a6\u30c9\u30d9\u30fc\u30b9[\u7de8\u96c6]\u4e3b\u306aWeb\u30d9\u30fc\u30b9\u306e\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u30e1\u30c7\u30a3\u30a2\u30d7\u30ec\u30fc\u30e4\u30fc[\u7de8\u96c6]\u30e9\u30a4\u30d6\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0[\u7de8\u96c6]\u914d\u4fe1\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0[\u7de8\u96c6]\u30e9\u30a4\u30d6\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u9001\u51fa[\u7de8\u96c6]\u95a2\u9023\u9805\u76ee[\u7de8\u96c6]\u30d7\u30ed\u30b0\u30ec\u30c3\u30b7\u30d6\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9[\u7de8\u96c6]\u985e\u4f3c\u3057\u305f\u8ee2\u9001\u65b9\u5f0f\u306b\u30d7\u30ed\u30b0\u30ec\u30c3\u30b7\u30d6\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u304c\u3042\u308b\u3002\u30d5\u30a1\u30a4\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u306a\u304c\u3089\u518d\u751f\u3059\u308b\u3068\u3044\u3046\u70b9\u3067\u306f\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u3068\u540c\u3058\u3060\u304c\u3001HTTP\u306b\u3088\u308b\u8ee2\u9001\u304c\u53ef\u80fd\u3067\u3042\u308b\u305f\u3081\u3001\u5225\u9014\u30d9\u30f3\u30c0\u30ed\u30c3\u30af\u30a4\u30f3\u306e\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u30b5\u30fc\u30d0\u3092\u8cfc\u5165\u3059\u308b\u5fc5\u8981\u304c\u306a\u3044\u3001\u30ea\u30d0\u30fc\u30b9\u30d7\u30edhttps:\/\/www.hwaiinewsnow.com\/merriemomarch\/\u30ad\u30b7\u3084\u30b3\u30f3\u30c6\u30f3\u30c4\u30c7\u30ea\u30d0\u30ea\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u306e\u76f8\u6027\u304c\u826f\u3044\u306a\u3069\u3001\u5b89\u4fa1\u306b\u5927\u898f\u6a21\u914d\u4fe1\u3067\u304d\u308b\u3068\u3044\u3046\u5927\u304d\u306a\u5229\u70b9\u304c\u3042\u308b\u3002\u4e00\u65b9\u3067\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u3068\u7570\u306a\u308a\u3001\u518d\u751f\u5f8c\u3001\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u306e\u4e00\u6642\u30d5\u30a9\u30eb\u30c0\u306b\u30de\u30eb\u30c1\u30e1\u30c7\u30a3\u30a2\u30d5\u30a1\u30a4\u30eb\u304c\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u306a\u72b6\u614b\u3067\u6b8b\u3063\u3066\u3057\u307e\u3046\u305f\u3081\u3001\u8457\u4f5c\u6a29\u4fdd\u8b77\u306e\u89b3\u70b9\u304b\u3089\u30b5\u30fc\u30d3\u30b9\u63d0\u4f9b\u8005\u306b\u5fcc\u907f\u3055\u308c\u305f\u6642\u671f\u304c\u3042\u3063\u305f\u3002\u30d7\u30ed\u30b0\u30ec\u30c3\u30b7\u30d6\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u304c\u53ef\u80fd\u306a\u4ee3\u8868\u7684\u306a\u30d5\u30a1\u30a4\u30eb\u5f62\u5f0f\u3068\u3057\u3066\u3001Flash\u52d5\u753b\u306a\u3069\u304c\u6319\u3052\u3089\u308c\u308b\u3002YouTube\u3084\u30cb\u30b3\u30cb\u30b3\u52d5\u753b\u306a\u3069\u306e\u6295\u7a3f\u578b\u52d5\u753b\u914d\u4fe1\u30b5\u30a4\u30c8\u3092\u59cb\u3081\u3001\u7121\u6599\u30b3\u30f3\u30c6\u30f3\u30c4\u914d\u4fe1\u3067\u3082\u4e00\u822c\u7684\u306b\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u3002\u6700\u8fd1\u306f\u3001\u30d7\u30ed\u30b0\u30ec\u30c3\u30b7\u30d6\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u306b\u5e2f\u57df\u5236\u5fa1\u306a\u3069\u3092\u8ffd\u52a0\u3057\u305f\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u6280\u8853\u3082\u51fa\u3066\u304d\u3066\u304a\u308a\uff08Microsoft Smooth Streaming\u3001Adobe Dynamic Streaming\u3001HTTP Live Streaming\u3001MPEG-DASH\u306a\u3069\uff09\u3001GYAO!\u3084Yahoo!\u3000JAPAN\u306a\u3069\u304c\u63a1\u7528\u3057\u3066\u3044\u305f[1]\u3002  \u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u5c02\u7528\u30d7\u30ed\u30c8\u30b3\u30eb[\u7de8\u96c6]\u30d6\u30e9\u30a6\u30b6\u6a19\u6e96\u5bfe\u5fdc\u306e\u30d7\u30ed\u30c8\u30b3\u30eb[\u7de8\u96c6]HTTP Live Streaming\uff08\u82f1\u8a9e\u7248\uff09 (HLS)Apple\u306b\u3088\u308bHTTP\u30d9\u30fc\u30b9\u306e\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u3002IETF\u6a19\u6e96\u5316\u3092\u76ee\u6307\u3057\u3066\u4ed5\u69d8\u304c\u516c\u958b\u3055\u308c\u3066\u304a\u308a\u3001\u591a\u304f\u306e\u30b5\u30fc\u30d0\u3084\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3002\u307e\u305f\u3001\u3044\u304f\u3089\u304b\u306e\u30a6\u30a7\u30d6\u30d6\u30e9\u30a6\u30b6\uff08Safari\u3001Chrome\u306a\u3069\uff09\u3067\u3082\u76f4\u63a5\u518d\u751f\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002Flash Player\u3082\u518d\u751f\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3002\u307e\u305f\u3001hls.js\u306a\u3069\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001HTML5\u306eMedia Source Extensions\uff08\u82f1\u8a9e\u7248\uff09 API\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u30d6\u30e9\u30a6\u30b6\u3067\u3082\u518d\u751f\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002MPEG-DASH (Dynamic Adaptive Streaming over HTTP\uff08\u82f1\u8a9e\u7248\uff09)MPEG\u306b\u3088\u3063\u3066\u958b\u767a\u3055\u308c\u305fHTTP\u30d9\u30fc\u30b9\u306e\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u6280\u8853\u3002VLC\u3068GPAC\u304c\u518d\u751f\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u307b\u304b\u3001dash.js\u3092\u4f7f\u3046\u3053\u3068\u306b\u3088\u3063\u3066HTML5\u306eMedia Source Extensions API\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u30d6\u30e9\u30a6\u30b6\u3067\u3082\u518d\u751f\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001dash.as\u3092\u4f7f\u3046\u3053\u3068\u306b\u3088\u3063\u3066Flash Player\u3067\u3082\u518d\u751f\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002MP4Box\u3084FFmpeg\u304cMPEG-DASH\u4e92\u63dbMP4\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u306e\u751f\u6210\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3002\u30d6\u30e9\u30a6\u30b6\u518d\u751f\u306b\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u5fc5\u8981\u3068\u306a\u308b\u30d7\u30ed\u30c8\u30b3\u30eb[\u7de8\u96c6]RTSP (Real Time Streaming Protocol)IETF\u3067\u6a19\u6e96\u5316\u3055\u308c\u3066\u304a\u308a\u3001RealMedia \/ QuickTime \/ Windows Media \/ GStreamer \u3092\u542b\u3080\u591a\u304f\u306e\u30d7\u30ec\u30fc\u30e4\u30fc\u3067\u518d\u751f\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u307e\u305f\u3001Flash Player\u304b\u3089\u306f\u3001Locomote Video Player\u306a\u3069\u306e\u30d7\u30ec\u30a4\u30e4\u30fc\u3092\u901a\u3057\u3066\u518d\u751f\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u305f\u3060\u3057\u3001\u591a\u304f\u306e\u30d6\u30e9\u30a6\u30b6\u306f\u76f4\u63a5\u5bfe\u5fdc\u3057\u3066\u304a\u3089\u305a\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u3084\u5916\u90e8\u30d7\u30ec\u30a4\u30e4\u30fc\u3092\u4f7f\u3046\u5fc5\u8981\u304c\u3042\u308b\u3002\u591a\u304f\u306e\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3067\u3001\u3053\u306e\u9001\u51fa\u304c\u53ef\u80fd\u3002MMS (Microsoft Media Server\uff08\u82f1\u8a9e\u7248\uff09)Windows Media\u306e\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u914d\u4fe1\u306b\u4f7f\u7528\u3055\u308c\u308b\u3002EU\u306e\u72ec\u5360\u7981\u6b62\u6cd5\u306b\u3088\u308b\u554f\u984c\u304b\u3089\u3001\u6955\u5186\u66f2\u7dda\u6697\u53f7\u3092\u4f7f\u3063\u305fDRM\u3092\u542b\u3080\u30d7\u30ed\u30c8\u30b3\u30eb\u4ed5\u69d8\u304c\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u3002MMS\u3092\u518d\u751f\u3067\u304d\u308b\u30d7\u30ec\u30fc\u30e4\u30fc\u306f\u591a\u3044\u304c\u3001\u4e92\u63db\u6027\u306b\u554f\u984c\u304c\u3042\u308b\u3082\u306e\u3082\u3042\u308b\u3002\u307e\u305f\u3001\u591a\u304f\u306e\u30d6\u30e9\u30a6\u30b6\u306f\u76f4\u63a5\u5bfe\u5fdc\u3057\u3066\u304a\u3089\u305a\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u3084\u5916\u90e8\u30d7\u30ec\u30a4\u30e4\u30fc\u3092\u4f7f\u3046\u5fc5\u8981\u304c\u3042\u308b\u3002\u3044\u304f\u3089\u304b\u306e\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3067\u3001\u3053\u306e\u9001\u51fa\u304c\u53ef\u80fd\u3002Microsoft Smooth Streaming\u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8\u306b\u3088\u308bSilverlight\u7528\u306e\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u30d7\u30ed\u30c8\u30b3\u30eb\u3002HTTP\u30d7\u30ed\u30b0\u30ec\u30c3\u30b7\u30d6\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u6280\u8853\u3092\u7528\u3044\u3066\u3044\u308b[2]\u3002VLC\u30e1\u30c7\u30a3\u30a2\u30d7\u30ec\u30fc\u30e4\u30fc 2.1\u4ee5\u964d\u304c\u3053\u306e\u518d\u751f\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3002Flash Player\u304b\u3089\u306f\u3001Smooth Streaming Plugin for OSMF\u3092\u4f7f\u3046\u3053\u3068\u3067\u518d\u751f\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u591a\u304f\u306e\u30d6\u30e9\u30a6\u30b6\u306f\u76f4\u63a5\u5bfe\u5fdc\u3057\u3066\u304a\u3089\u305a\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u3084\u5916\u90e8\u30d7\u30ec\u30a4\u30e4\u30fc\u3092\u4f7f\u3046\u5fc5\u8981\u304c\u3042\u308b\u3002FFmpeg\u304c\u30b9\u30e0\u30fc\u30b9\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u306b\u4f7f\u308f\u308c\u308bISMV\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u306e\u751f\u6210\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3002RTMP (Real Time Messaging Protocol)\u30a2\u30c9\u30d3\u306b\u3088\u308bFlash Video\u7528\u306e\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u30d7\u30ed\u30c8\u30b3\u30eb\u3002\u30ea\u30d0\u30fc\u30b9\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306b\u3088\u3063\u3066\u4ed5\u69d8\u304c\u89e3\u6790\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u591a\u304f\u306e\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u304c\u3053\u306e\u518d\u751f\u53ca\u3073\u9001\u51fa\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3002\u305f\u3060\u3057\u3001\u591a\u304f\u306e\u30d6\u30e9\u30a6\u30b6\u306f\u76f4\u63a5\u518d\u751f\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u305a\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f7f\u3046\u5fc5\u8981\u304c\u3042\u308b\u3002\u3053\u306e\u3053\u3068\u306f\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3044\u30e2\u30d0\u30a4\u30eb\u7aef\u672b\u3067\u7279\u306b\u554f\u984c\u3068\u306a\u308b\u3002Adobe HTTP Dynamic Streaming (HDS)\u30a2\u30c9\u30d3\u306b\u3088\u308bHTTP\u30d9\u30fc\u30b9\u306eFlash Video\u7528\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u30d7\u30ed\u30c8\u30b3\u30eb\u3002\u30d5\u30a1\u30a4\u30eb\u3092\u5206\u5272\u3057\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u6bce\u306b\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u3068\u3044\u3046\u624b\u6cd5\u3092\u4f7f\u3063\u3066\u3044\u308b\u3002\u591a\u304f\u306e\u30d6\u30e9\u30a6\u30b6\u306f\u76f4\u63a5\u5bfe\u5fdc\u3057\u3066\u304a\u3089\u305a\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f7f\u3046\u5fc5\u8981\u304c\u3042\u308b\u3002FFmpeg\u304cHDS\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u306e\u751f\u6210\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3002P2P\u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8\u914d\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb[\u7de8\u96c6]Real Time Media Flow Protocol\u30a2\u30c9\u30d3\u304c\u958b\u767a\u3057\u305fFlash\u7528P2P\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3042\u308a\u3001RFC 7016\u3068\u3057\u3066\u30d7\u30ed\u30c8\u30b3\u30eb\u4ed5\u69d8\u304c\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u3002P2P\u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8\u914d\u4fe1\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b[3]\u3002PeerCast\u30d7\u30ed\u30c8\u30b3\u30ebPeerCast\u306e\u4f7f\u3063\u3066\u3044\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u3002WebRTCP2P\u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8\u914d\u4fe1\u304c\u5b9f\u73fe\u53ef\u80fd\u306aWeb\u6a19\u6e96\u306eP2P API\u3067\u3042\u308a\u3001\u30d6\u30e9\u30a6\u30b6\u304c\u76f4\u63a5\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3002P2P\u914d\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u81ea\u4f53\u306f\u6a19\u6e96\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u3002WebRTC\u306b\u5bfe\u5fdc\u3059\u308b\u30d6\u30e9\u30a6\u30b6\u3068\u3057\u3066\u3001Chrome\u3001Firefox\u3001Opera\u304c\u3042\u308b\u3002\u305d\u306e\u4ed6\u3001Java\u30a2\u30d7\u30ec\u30c3\u30c8\u306b\u3088\u308bP2P\u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8\u914d\u4fe1\u3082\u4f7f\u308f\u308c\u3066\u3044\u308b\u3002\u901a\u4fe1\u7d4c\u8def\u306e\u6697\u53f7\u5316[\u7de8\u96c6]HTTP\u30d9\u30fc\u30b9\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001HTTP\u306e\u4ee3\u308f\u308a\u306bHTTPS\u3092\u901a\u3059\u3053\u3068\u3067\u901a\u4fe1\u7d4c\u8def\u306e\u6697\u53f7\u5316\u304c\u53ef\u80fd\u3002RTMPS\u30a2\u30c9\u30d3\u304c\u958b\u767a\u3057\u305f\u3001RTMP\u53ca\u3073SSL\u306b\u57fa\u3065\u304fFlash\u7528\u306e\u6697\u53f7\u5316\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u30d7\u30ed\u30c8\u30b3\u30eb\u3002\u30ea\u30d0\u30fc\u30b9\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306b\u3088\u3063\u3066\u4ed5\u69d8\u304c\u89e3\u6790\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u591a\u304f\u306e\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u304c\u3053\u306e\u518d\u751f\u53ca\u3073\u9001\u51fa\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3002RTMPE\u30a2\u30c9\u30d3\u304c\u958b\u767a\u3057\u305f\u3001RTMP\u53ca\u3073\u30c7\u30a3\u30d5\u30a3\u30fc\u30fb\u30d8\u30eb\u30de\u30f3\u9375\u5171\u6709\u306b\u57fa\u3065\u304fFlash\u7528\u306e\u6697\u53f7\u5316\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u30d7\u30ed\u30c8\u30b3\u30eb\u3002\u30ea\u30d0\u30fc\u30b9\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306b\u3088\u3063\u3066\u4ed5\u69d8\u304c\u89e3\u6790\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u591a\u304f\u306e\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u304c\u3053\u306e\u518d\u751f\u53ca\u3073\u9001\u51fa\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3002\u8a2d\u8a08\u306b\u6b20\u9665\u304c\u3042\u308a\u3001\u4e2d\u9593\u8005\u653b\u6483\u304c\u53ef\u80fd\u3068\u3044\u3046\u8106\u5f31\u6027\u304c\u5b58\u5728\u3059\u308b[4][5]\u3002Clear KeyW3C\u6a19\u6e96\u306eEncrypted Media Extensions\u3067\u898f\u5b9a\u3055\u308c\u3066\u3044\u308b\u6697\u53f7\u5316\u65b9\u5f0f\u3002Google Chrome\u306a\u3069\u304c\u5fa9\u53f7\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3002HLS\u6697\u53f7\u5316AES-128\u3092\u4f7f\u3063\u305f\u6697\u53f7\u5316\u3002\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u7528DRM[\u7de8\u96c6]\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u5f62\u5f0f\u3067\u306f\u914d\u4fe1\u76ee\u7684\u306e\u305f\u3081\u306b\u30b3\u30d4\u30fc\u30ac\u30fc\u30c9\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u6620\u50cf\u3084\u97f3\u697d\u3092\u30d5\u30a1\u30a4\u30eb\u306b\u4fdd\u5b58\u3059\u308b\u3053\u3068\u3092\u56f0\u96e3\u306b\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u305f\u3060\u3057\u3001\u30b3\u30d4\u30fc\u30ac\u30fc\u30c9\u306f\u8996\u8074\u8005\u306e\u898b\u3089\u308c\u308b\u74b0\u5883\u3092\u72ed\u3081\u3001\u8996\u8074\u8005\u306e\u5408\u6cd5\u7684\u306a\u5229\u7528\u3092\u59a8\u5bb3\u3057\u3001\u7af6\u5408\u4ed6\u793e\u306e\u88fd\u54c1\u3082\u6392\u9664\u3059\u308b\u3068\u3044\u3046\u8a2d\u8a08\u306e\u6b20\u9665\u3092\u6545\u610f\u306b\u4f5c\u308a\u51fa\u3059\u305f\u3081\u6279\u5224\u3055\u308c\u3066\u304a\u308a (Defective by Design)\u3001\u4f55\u6642\u3067\u3082\u4f55\u51e6\u3067\u3082\u3069\u3093\u306a\u30c7\u30d0\u30a4\u30b9\u3067\u3082\u30aa\u30f3\u30c7\u30de\u30f3\u30c9\u3067\u898b\u3089\u308c\u308b\u3053\u3068\u3092\u76ee\u6307\u3059\u30cb\u30e5\u30fc\u30e1\u30c7\u30a3\u30a2 (New media) \u306b\u306f\u4f7f\u308f\u308c\u306a\u3044\u3053\u3068\u304c\u591a\u3044\u3002UltraViolet[\u7de8\u96c6]Google Widevine DRMAES-128 CTR\u3092\u4f7f\u3063\u305fDRM\u3002Common Encryption (CENC\u3001ISO\/IEC 23001-7)\u306b\u57fa\u3065\u304f[6]\u3002MPEG-DASH\u3067\u4f7f\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u3002Chrome\u3084Android\u304c\u5fa9\u53f7\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3002\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306eBento4[7][8] \u304c\u6697\u53f7\u5316\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3002FFmpeg[9] \u3084edash-packager\u3084MP4BOX[10] \u304c\u6697\u53f7\u5316\u53ca\u3073\u5fa9\u53f7\u306e\u4e21\u65b9\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u30022016\u5e74\u73fe\u5728\u3001Google\u306eWidevine DRM\u306e\u5b9f\u88c5\u306b\u554f\u984c\u304c\u898b\u3064\u304b\u3063\u3066\u3044\u308b[11]\u3002Microsoft PlayReadyAES-128 CTR\u3092\u4f7f\u3063\u305fDRM\u3002Common Encryption (CENC\u3001ISO\/IEC 23001-7)\u306b\u57fa\u3065\u304f[6]\u3002Microsoft Smooth Streaming\u3084MPEG-DASH\u3067\u4f7f\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u3002Internet Explorer\u3084Windows Phone\u3084Silverlight\u304c\u5fa9\u53f7\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3002Microsoft Expression Encoder\u3084Azure Media Services samples\u3001\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306eBento4[7][8] \u304c\u6697\u53f7\u5316\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3002FFmpeg[9] \u3084MP4BOX[10] \u304c\u6697\u53f7\u5316\u53ca\u3073\u5fa9\u53f7\u306e\u4e21\u65b9\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3002Adobe Primetime DRM\u65e7Adobe Access DRM\u3002pRTMP\u3084PHDS\u3067\u4f7f\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u3002Adobe Flash Player\u3084Firefox 38\u4ee5\u964d\u306eWindows\u724832bit\u30d0\u30a4\u30ca\u30ea\u30fc[12] \u304c\u5fa9\u53f7\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3002Adobe Media Server\u304c\u6697\u53f7\u5316\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3002Marlin DRM\u591a\u304f\u306eIP-TV\u304c\u5fa9\u53f7\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3002MPEG DASH\u306eMP4\u30b3\u30f3\u30c6\u30ca\u3067\u306fCommon Encryption\u306b\u57fa\u3065\u304d\u3001MPEG DASH\u306eMPEG2-TS\u30b3\u30f3\u30c6\u30ca\u3067\u306fMarlin BBTS\u306b\u57fa\u3065\u304f[13]\u3002\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306eBento4\u304c\u6697\u53f7\u5316\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b[7][8]\u3002OMA DRM v2.0\u591a\u304f\u306e\u30d5\u30a3\u30fc\u30c1\u30e3\u30fc\u30d5\u30a9\u30f3\u304c\u5fa9\u53f7\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3002\u30d5\u30a1\u30a4\u30eb\u5f62\u5f0f\u306b\u306fDCF\u3068PDCF\u304c\u5b58\u5728\u3059\u308b[14]\u3002PDCF\u306f3GPP\u306ePSS\u306b\u57fa\u3065\u3044\u3066\u3044\u308b[14]\u3002\u69cb\u6587\u4ee5\u5916\u306fISMACryp\uff08\u82f1\u8a9e\u7248\uff09\u3068\u4e92\u63db\u6027\u304c\u3042\u308b[15]\u3002\u30ec\u30ac\u30b7\u30fc[\u7de8\u96c6]\u3053\u308c\u3089\u306f\u30ec\u30ac\u30b7\u30fc\u3067\u3042\u308a\u3001\u30cf\u30ea\u30a6\u30c3\u30c9\u30b9\u30bf\u30b8\u30aa\uff08\u9664\u30c7\u30a3\u30ba\u30cb\u30fc\uff09\u3067\u306fUltraViolet\u5bfe\u5fdc\u306eDRM\u3092\u63a8\u9032\u3057\u3066\u3044\u308b\u3002  \u6955\u5186\u66f2\u7dda\u6697\u53f7\u3092\u4f7f\u3063\u305fDRM\u3002MS-RTSP\u3084MMS\u3067\u4f7f\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u3002Windows Media Player\u3084Windows Phone\u304c\u5fa9\u53f7\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3002Windows Media Rights Manager (WMRM) \u304c\u6697\u53f7\u5316\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u305f\u3002Windows 10 Anniversary Update\u3067\u3001WMDRM\u306e\u5fa9\u53f7\u304c\u524a\u9664\u3055\u308c\u3001WMDRM\u3067\u6697\u53f7\u5316\u3055\u308c\u305f\u30e1\u30c7\u30a3\u30a2\u306e\u8996\u8074\u304c\u4e0d\u53ef\u80fd\u3068\u306a\u3063\u305f[16]\u3002RealRTSP\u3067\u4f7f\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u3002Real Player\u304c\u5fa9\u53f7\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3002Helix Universal Server\uff08\u30c7\u30a3\u30b9\u30b3\u30f3[17]\uff09\u304c\u6697\u53f7\u5316\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u305f\u3002QuickTime Player\u304c\u5fa9\u53f7\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u30022016\u5e74\u3001Microsoft 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TS\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u306a\u3069\u306e\u751f\u6210\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3002\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u3002FFmpegMPEG-DASH\u4e92\u63dbMP4\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u3001MPEG-DASH\u4e92\u63dbWebM\u30c1\u30e3\u30f3\u30af\u3001HDS\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u3001Microsoft Smooth Streaming\u306b\u4f7f\u308f\u308c\u308bISMV\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u306a\u3069\u306e\u751f\u6210\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3002\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u3002edash-packagerMPEG-DASH\u4e92\u63dbMP4\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u306e\u751f\u6210\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3002ISO\u306eCommon Encryption\u53ca\u3073UltraViolet\uff08\u82f1\u8a9e\u7248\uff09\u306e\u4e00\u3064\u3067\u3042\u308bWidevine DRM\u306e\u6697\u53f7\u5316\u30fb\u5fa9\u53f7\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3002\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u3002TITAN FileATEME\u306e\u52d5\u753b\u5909\u63db\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3002MPEG-DASH\u3001Smooth Streaming\u3001HLS\u4e92\u63db\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u306e\u751f\u6210\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3002\u30af\u30e9\u30a6\u30c9\u30d9\u30fc\u30b9[\u7de8\u96c6]Amazon Elastic TranscoderMPEG-DASH\u3001Smooth Streaming\u3001HLS\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b[21]\u3002Azure Media ServicesMPEG-DASH\u3001Smooth Streaming\u3001HLS\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b[22]\u3002Akamai Media Services Live\/On DemandMPEG-DASH\u3001Smooth Streaming\u3001HLS\u3001HDS\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b[23][24]\u3002Arkena Cloud4TV\u4e3b\u306aWeb\u30d9\u30fc\u30b9\u306e\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u30e1\u30c7\u30a3\u30a2\u30d7\u30ec\u30fc\u30e4\u30fc[\u7de8\u96c6]FlowplayerHTML5\u53ca\u3073Flash\u30d9\u30fc\u30b9\u306eWeb\u30d7\u30ec\u30fc\u30e4\u30fc\u3002\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u3002MediaElement.jsHTML5\u53ca\u3073Flash\u30d9\u30fc\u30b9\u306eWeb\u30d7\u30ec\u30fc\u30e4\u30fc\u3002\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u3002Video.jsHTML5\u53ca\u3073Flash\u30d9\u30fc\u30b9\u306eWeb\u30d7\u30ec\u30fc\u30e4\u30fc\u3002\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u3002Shaka PlayerGoogle\u306b\u3088\u308bHTML5\u30d9\u30fc\u30b9\u306eWeb\u30d7\u30ec\u30fc\u30e4\u30fc\u3002\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u3002Strobe Media PlaybackAdobe\u306b\u3088\u308bFlash\u30d9\u30fc\u30b9\u306eWeb\u30d7\u30ec\u30fc\u30e4\u30fc\u3002OSMF (Open Source Media 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streaming\uff09\u306f\u30e9\u30a4\u30d6\u30e1\u30c7\u30a3\u30a2\u3092\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u3059\u308b\u3053\u3068\u3067\u3042\u308b\u3002\u3088\u308a\u9650\u5b9a\u7684\u306b\u306f\u3001\u305d\u306e\u5834\u3067\u8a18\u9332\u3055\u308c\u305f\uff08\u30e9\u30a4\u30d6\uff09\u30e1\u30c7\u30a3\u30a2\u3092\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4ecb\u3057\u3066\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306b\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u914d\u4fe1\u3059\u308b\u3053\u3068\uff08\u751f\u914d\u4fe1\uff09\u3092\u6307\u3059\u3002\u751f\u914d\u4fe1\u3055\u308c\u308b\u30e1\u30c7\u30a3\u30a2\u306e\u4f8b\u3068\u3057\u3066\u4ee5\u4e0b\u304c\u6319\u3052\u3089\u308c\u308b\u3002\u30e9\u30a4\u30d6\u30ab\u30e1\u30e9\u6620\u50cf\uff08\u5929\u6c17\u30fb\u666f\u52dd\u5730\u30fb\u88ab\u707d\u5730\u30fb\u5929\u4f53\u89b3\u6e2c\uff08\u5f57\u661f\uff09\uff09\u97f3\u697d\u30e9\u30a4\u30d6\u6620\u50cf\u65e2\u5b58\u30e1\u30c7\u30a3\u30a2\uff08\u30e9\u30b8\u30aa\u3001\u30c6\u30ec\u30d3\uff09\u30e9\u30a4\u30d6\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u306f\u751f\u653e\u9001 (en:Live broadcast) 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Flash Media Live EncoderOpen Broadcaster Software (OBS)\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u3002Wirecast\uff08\u82f1\u8a9e\u7248\uff09 (Telestream\uff08\u82f1\u8a9e\u7248\uff09)^ 9 \u7279\u5225\u30a4\u30f3\u30bf\u30d3\u30e5\u30fc – \u30e4\u30d5\u30fc\u306b\u805e\u304f\u3001Silverlight\u63a1\u7528\u306e\u7406\u7531^ MSDN IIS Smooth Streaming \u306b\u3064\u3044\u3066^ \u30e1\u30c7\u30a3\u30a2\u306e\u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8\uff08RTMFP\uff09 Adobe^ Ripping Media Off of the Wire A Step-by-Step Guide P.40 DEF CON 2010\u5e74^ What is RTMPE Wowza Media Systems^ a b Using PlayReady and\/or Widevine Dynamic Common Encryption Microsoft^ a b c Software DASH Industry Forum^ a b c MPEG DASH Axiomatic Systems^ a b FFmpeg Changelog^ a b Common Encryption GPAC project^ A Bug in Chrome Makes It Easy to Pirate Movies Wired 2016\u5e746\u670824\u65e5^ Firefox \u3067 DRM 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