{"id":715,"date":"2021-03-03T17:25:50","date_gmt":"2021-03-03T08:25:50","guid":{"rendered":"http:\/\/www.opentone.co.jp\/ot-lab\/?p=715"},"modified":"2025-05-12T10:06:20","modified_gmt":"2025-05-12T01:06:20","slug":"%e3%80%90html5%e3%80%91%e3%83%9e%e3%83%ab%e3%83%81%e3%83%a1%e3%83%87%e3%82%a3%e3%82%a2%e7%b7%a8","status":"publish","type":"post","link":"https:\/\/www.opentone.co.jp\/ot-lab\/all\/web-system\/%e3%80%90html5%e3%80%91%e3%83%9e%e3%83%ab%e3%83%81%e3%83%a1%e3%83%87%e3%82%a3%e3%82%a2%e7%b7%a8","title":{"rendered":"\u3010HTML5\u3011\u30de\u30eb\u30c1\u30e1\u30c7\u30a3\u30a2\u7de8"},"content":{"rendered":"\n<p>\u3053\u3093\u306b\u3061\u306f<br>T.T\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4eca\u56de\u306fHTML5\u306e\u30ab\u30c6\u30b4\u30ea\u306e1\u3064\u3001\u30de\u30eb\u30c1\u30e1\u30c7\u30a3\u30a2\u306b\u3064\u3044\u3066\u66f8\u3044\u3066\u307f\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30de\u30eb\u30c1\u30e1\u30c7\u30a3\u30a2\u3068\u306f<\/h3>\n\n\n\n<p>\u30de\u30eb\u30c1\u30e1\u30c7\u30a3\u30a2\u3068\u306f\u6620\u50cf\u3084\u97f3\u697d\u306a\u3069\u52d5\u7684\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u6307\u3057\u3001HTML5\u3067\u65b0\u305f\u306b\u8ffd\u52a0\u3055\u308c\u305f\u65b0\u8981\u7d20\u3001audio\u3084video\u8981\u7d20\u3092\u4f7f\u7528\u3057\u7c21\u5358\u306b\u30de\u30eb\u30c1\u30e1\u30c7\u30a3\u30a2\u306e\u518d\u751f\u3092\u884c\u3046\u4ed5\u7d44\u307f\u306b\u306a\u308a\u307e\u3059\u3002<br>\u4ee5\u524d\u306eHTML\u3067\u30de\u30eb\u30c1\u30e1\u30c7\u30a3\u30a2\u3092\u6271\u3046\u306b\u306f\u3001Flash\u3084Silverlight\u3001QuickTime\u306a\u3069\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3057\u305f\u304c\u3001HTML5\u3067\u306f\u6a19\u6e96\u306eaudio\u3001video\u8981\u7d20\u3060\u3051\u3067\u30de\u30eb\u30c1\u30e1\u30c7\u30a3\u30a2\u3092\u6271\u3046\u3053\u3068\u304c\u51fa\u6765\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u30b5\u30f3\u30d7\u30eb<\/h4>\n\n\n\n<p>\u3067\u306f\u3001\u3069\u308c\u3060\u3051\u7c21\u5358\u304b\u30b5\u30f3\u30d7\u30eb\u3092\u4f5c\u6210\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">[sourcecode language=\"html\"]\n&lt;audio src=\"SampleMusic.mp3\" controls=\"controls\"&gt;\n&lt;\/audio&gt;&lt;br \/&gt;\n&lt;video src=\"SampleVideo.ogv\" controls=\"controls\"&gt;\n&lt;\/video&gt;\n[\/sourcecode]<\/pre>\n\n\n\n<p>src \u306b\u8868\u793a\u3057\u305f\u3044\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u6307\u5b9a\u3057\u3001controls=&#8221;controls&#8221;\u3067\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30fc(\u518d\u751f\u30dc\u30bf\u30f3\u3068\u304b\u30dc\u30ea\u30e5\u30fc\u30e0\u30b9\u30e9\u30a4\u30c0\u30fc\u306e\u3042\u308b\u30d0\u30fc)\u8868\u793a\u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<br>\u7d50\u679c\u306f\u3053\u3093\u306a\u98a8\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"254\" src=\"https:\/\/www.opentone.co.jp\/ot-lab\/wp-content\/uploads\/sites\/11\/2021\/03\/1-300x254-1.png\" alt=\"\" class=\"wp-image-716\" \/><\/figure>\n\n\n\n<p>\u3044\u304b\u304c\u3067\u3057\u3087\u3046\u304b\uff1f<br>\u3053\u308c\u3060\u3051\u3067\u3001\u30de\u30eb\u30c1\u30e1\u30c7\u30a3\u30a2\u3092\u4f7f\u7528\u3067\u304d\u308b\u3053\u3068\u306b\u9a5a\u304b\u308c\u307e\u305b\u3093\u304b\uff1f<\/p>\n\n\n\n<p>\u3048\uff1f\u8868\u793a\u3055\u308c\u306a\u3044\uff1f<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30e1\u30c7\u30a3\u30a2\u5f62\u5f0f\u306e\u30b5\u30dd\u30fc\u30c8<\/h3>\n\n\n\n<p>\u5148\u307b\u3069\u8868\u793a\u3057\u3066\u3044\u305f\u30d6\u30e9\u30a6\u30b6\u306f Chrome(v29.0x) \u3067\u3057\u305f\u304c\u3001\u4eca\u5ea6\u306f Firefox(v24.0) \u3067\u8868\u793a\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"328\" height=\"247\" src=\"https:\/\/www.opentone.co.jp\/ot-lab\/wp-content\/uploads\/sites\/11\/2021\/03\/2-1.png\" alt=\"\" class=\"wp-image-718\" srcset=\"https:\/\/www.opentone.co.jp\/ot-lab\/wp-content\/uploads\/sites\/11\/2021\/03\/2-1.png 328w, https:\/\/www.opentone.co.jp\/ot-lab\/wp-content\/uploads\/sites\/11\/2021\/03\/2-1-300x226.png 300w\" sizes=\"(max-width: 328px) 100vw, 328px\" \/><\/figure>\n\n\n\n<p>\u8d64\u3067\u56f2\u3093\u3067\u3042\u308b\u90e8\u5206\u304c\u3001\u672c\u6765.mp3\u30d5\u30a1\u30a4\u30eb\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u304c\u8868\u793a\u3055\u308c\u308b\u30a8\u30ea\u30a2\u3067\u3057\u305f\u304c\u4f55\u3082\u8868\u793a\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u5b9f\u306f\u3053\u308c\u3001\u5404\u30d6\u30e9\u30a6\u30b6\u304c\u5bfe\u5fdc\u3059\u308b\u30e1\u30c7\u30a3\u30a2\u5f62\u5f0f(\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001.mp3\u3084.ogv)\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u8868\u793a\u3055\u308c\u306a\u304b\u3063\u305f\u308a\u4ee5\u4e0b\u306e\u69d8\u306a\u8b66\u544a\u304c\u8868\u793a\u3055\u308c\u305f\u308a\u3057\u307e\u3059\u3002<br><a href=\"http:\/\/labs.opentone.co.jp\/wp-content\/uploads\/2013\/09\/no-support-on-firefox.jpg\"><\/a><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"300\" height=\"165\" src=\"https:\/\/www.opentone.co.jp\/ot-lab\/wp-content\/uploads\/sites\/11\/2021\/03\/no-support-on-firefox-300x165-1.jpg\" alt=\"\" class=\"wp-image-719\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u4f55\u6545\u3053\u3093\u306a\u3053\u3068\u304c\u8d77\u3053\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u3002<\/h4>\n\n\n\n<p>\u3053\u308c\u306f\u4e3b\u306b\u7279\u8a31\u306e\u554f\u984c\u3067\u4e3b\u8981\u30d6\u30e9\u30a6\u30b6\u306e\u958b\u767a\u5143\u3067\u610f\u898b\u304c\u5206\u304b\u308c\u3001\u540c\u4e00\u306e\u30e1\u30c7\u30a3\u30a2\u5f62\u5f0f\u304c\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u306a\u3044\u70ba\u8d77\u3053\u3063\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4f8b\u3048\u3070\u3001Firefox\u30d6\u30e9\u30a6\u30b6\u3067\u306eMP3\u30b5\u30dd\u30fc\u30c8\u306b\u3064\u3044\u3066\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u66f8\u304b\u308c\u3066\u3044\u307e\u3059\u3002<br>&#8220;\u7279\u8a31\u306e\u554f\u984c\u3092\u56de\u907f\u3059\u308b\u305f\u3081 MPEG4\u3001H.264\u3001MP3 \u304a\u3088\u3073 AAC \u306e\u30b5\u30dd\u30fc\u30c8\u306f\u3001Firefox \u306b\u76f4\u63a5\u7d44\u307f\u8fbc\u307e\u308c\u3066\u306f\u3044\u307e\u305b\u3093\u3002\u4ee3\u308f\u308a\u306b\u3001OS \u307e\u305f\u306f\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u30b5\u30dd\u30fc\u30c8\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002&#8221;<br><a href=\"https:\/\/developer.mozilla.org\/ja\/docs\/Web\/HTML\/Supported_media_formats\">https:\/\/developer.mozilla.org\/ja\/docs\/Web\/HTML\/Supported_media_formats<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30e1\u30c7\u30a3\u30a2\u5f62\u5f0f\u554f\u984c\u306e\u56de\u907f\u7b56<\/h3>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306a\u554f\u984c\u306b\u5bfe\u51e6\u3059\u308b\u306b\u306f\u3001source\u8981\u7d20\u3068src\u5c5e\u6027\u3092\u4f7f\u7528\u3057\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">[sourcecode language=\"html\"]\n&lt;audio controls=\"controls\"&gt;\n  &lt;source src=\"SampleMusic.mp3\"&gt;\n  &lt;source src=\"SampleMusic.wav\"&gt;\n&lt;\/audio&gt;\n[\/sourcecode]<\/pre>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306b\u8907\u6570\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u5ba3\u8a00\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u5148\u982d\u304b\u3089\u9806\u6b21\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u307f\u3001\u30d6\u30e9\u30a6\u30b6\u304c\u30e1\u30c7\u30a3\u30a2\u5f62\u5f0f\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308c\u3070\u8868\u793a\u3057\u3001\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u306a\u3051\u308c\u3070\u6b21\u3092\u8aad\u307f\u8fbc\u3080\u3088\u3046\u8a18\u8ff0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br>\u4eca\u56de\u306f\u3001audio\u8981\u7d20\u3067\u8a18\u8ff0\u3057\u307e\u3057\u305f\u304c\u3001video\u8981\u7d20\u3067\u3082\u5168\u304f\u540c\u3058\u8a18\u8ff0\u65b9\u6cd5\u3067\u4e0a\u8a18\u554f\u984c\u3092\u56de\u907f\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001\u30d6\u30e9\u30a6\u30b6\u81ea\u4f53\u304caudio\u3001video\u8981\u7d20\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u30ea\u30b9\u30c8\u306e\u6700\u5f8c\u306bHTML\u3092\u8a18\u8ff0\u3057\u305f\u308a\u3001Flash\u30d7\u30ec\u30a4\u30e4\u30fc\u3092\u57cb\u3081\u8fbc\u3080\u3053\u3068\u3067\u56de\u907f\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">[sourcecode language=\"html\"]\n&lt;audio controls=\"controls\"&gt;\n  &lt;source src=\"SampleMusic.mp3\" \/&gt;\n  &lt;source src=\"SampleVideo.ogv\" \/&gt;\n  \u30d6\u30e9\u30a6\u30b6\u304caudio\u8981\u7d20\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u305b\u3093\u3002\n&lt;\/audio&gt;\n[\/sourcecode]<\/pre>\n\n\n\n<p>\u306f\u3044\u3001\u3068\u3044\u3046\u308f\u3051\u3067<br>\u30de\u30eb\u30c1\u30e1\u30c7\u30a3\u30a2\u3092\u4f7f\u3046\u306a\u3089\u4eca\u307e\u3067\u306e\u3084\u308a\u65b9\u304c\u697d\u3058\u3083\u3093\uff01<br>\u3063\u3066\u601d\u308f\u308c\u305f\u65b9\u3001\u6b63\u89e3\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u305f\u3060\u3057\u3001\u30e6\u30fc\u30b6\u306b\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3092\u5f37\u5236\u3059\u308b\u3053\u3068\u3001\u307e\u305f\u3001\u5fc5\u305a\u3057\u3082\u5168\u3066\u306e\u30e6\u30fc\u30b6\u304c\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u3053\u3068\u3092\u8003\u3048\u308b\u3068\u3001\u4fa1\u5024\u304c\u6709\u308b\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\uff1f<br>\u4f55\u308c\u306b\u3057\u3066\u3082\u65e9\u304f\u898f\u683c\u3092\u7d71\u4e00\u3055\u305b\u3066\u6b32\u3057\u3044\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u305d\u306e\u4ed6\u306e\u5c5e\u6027<\/h3>\n\n\n\n<p>\u5148\u307b\u3069src\u5c5e\u6027\u306b\u3064\u3044\u3066\u89e6\u308c\u307e\u3057\u305f\u304c\u3001\u305d\u306e\u4ed6\u306b\u3082\u5c5e\u6027\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">audio\u3001video\u8981\u7d20\u306e\u5c5e\u6027<\/h4>\n\n\n\n<ul class=\"wp-block-list\"><li>src \u30fb\u30fb\u30fb \u97f3\u58f0\u3001\u52d5\u753b\u30d5\u30a1\u30a4\u30eb\u3092\u6307\u5b9a<\/li><li>crossorigin \u30fb\u30fb\u30fbCORS \uff08Cross-Origin Resource Sharing \/ \u30af\u30ed\u30b9\u30c9\u30e1\u30a4\u30f3\u901a\u4fe1\uff09 \u8a2d\u5b9a\u5c5e\u6027 (anonymous\u3001use-credentials)<\/li><li>mediagroup \u30fb\u30fb\u30fb\u8981\u7d20\u306e\u30b0\u30eb\u30fc\u30d7\u540d\u3092\u6307\u5b9a<\/li><li>preload \u30fb\u30fb\u30fb\u97f3\u58f0\u3001\u52d5\u753b\u30d5\u30a1\u30a4\u30eb\u3092\u3001\u4e8b\u524d\u306b\u8aad\u307f\u8fbc\u3080\u304b\u3092\u6307\u5b9a\uff08auto\u3001metadata\u3001none\uff09<\/li><li>autoplay \u30fb\u30fb\u30fb\u97f3\u58f0\u3001\u52d5\u753b\u3092\u81ea\u52d5\u7684\u306b\u518d\u751f<\/li><li>loop \u30fb\u30fb\u30fb\u30eb\u30fc\u30d7\u518d\u751f<\/li><li>controls \u30fb\u30fb\u30fb\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30fc\u3092\u8868\u793a<\/li><li>muted \u30fb\u30fb\u30fb\u30df\u30e5\u30fc\u30c8\u3057\u305f\u72b6\u614b\u3067\u518d\u751f<\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">video\u8981\u7d20\u306e\u307f\u306e\u5c5e\u6027<\/h4>\n\n\n\n<ul class=\"wp-block-list\"><li>poster \u30fb\u30fb\u30fb\u52d5\u753b\u306e\u5185\u5bb9\u3092\u8868\u3059\u753b\u50cf\u3092\u6307\u5b9a<\/li><li>width \u30fb\u30fb\u30fb\u5e45\u3092\u6307\u5b9a<\/li><li>height \u30fb\u30fb\u30fb\u9ad8\u3055\u3092\u6307\u5b9a<\/li><\/ul>\n\n\n\n<p>video\u8981\u7d20\u306e\u307f\u306e\u5c5e\u6027\u3068\u3042\u308a\u307e\u3059\u304c\u3001\u5b9f\u306f\u4e0b\u306e\u3088\u3046\u306bvideo\u8981\u7d20\u306b\u97f3\u58f0\u30d5\u30a1\u30a4\u30eb\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">[sourcecode language=\"html\"]\n&lt;video poster=\"Sample.JPG\" controls=\"controls\" src=\"SampleVideo.wav\"&gt;\n&lt;\/video&gt;\n[\/sourcecode]<\/pre>\n\n\n\n<p>\u4e0a\u8a18\u4f8b\u3067\u306f\u3001poster\u5c5e\u6027\u3067\u753b\u50cf\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<br>\u4f8b\u3048\u3070CD\u306e\u30b8\u30e3\u30b1\u30c3\u30c8\u3092\u63b2\u8f09\u3059\u308b\u306a\u3069\u3001\u4f7f\u3044\u9053\u306f\u8272\u3005\u3042\u308a\u305d\u3046\u3067\u3059\u306d\u3002<br>\u3082\u3061\u308d\u3093\u3001audio\u8981\u7d20\u306b\u52d5\u753b\u30d5\u30a1\u30a4\u30eb\u3082\u6307\u5b9a\u3067\u304d\u307e\u3059\u304c\u3001\u305d\u306e\u5834\u5408\u306f\u52d5\u753b\u306f\u8868\u793a\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">JavaScript\u304b\u3089\u306e\u64cd\u4f5c<\/h3>\n\n\n\n<p>JavaScript\u3092\u4f7f\u3063\u3066audio\u3001video\u8981\u7d20\u304b\u3089\u8aad\u307f\u8fbc\u3093\u3060\u30d5\u30a1\u30a4\u30eb\u3092\u64cd\u4f5c\u3059\u308b\u3053\u3068\u3082\u51fa\u6765\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4eca\u56de\u306fvideo\u8981\u7d20\u3092\u4f7f\u3063\u3066\u3001\u52d5\u753b\u30d5\u30a1\u30a4\u30eb\u3092\u64cd\u4f5c\u3057\u3066\u307f\u307e\u3059\u3002<br>\u8ffd\u52a0\u6a5f\u80fd\u306f2\u70b9<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u518d\u751f\/\u4e00\u6642\u505c\u6b62\u30dc\u30bf\u30f3\u306e\u8ffd\u52a0 (\u305d\u306e\u70ba\u3001controls\u5c5e\u6027\u306f\u524a\u9664\u3057\u3066\u3044\u307e\u3059)<\/li><li>\u518d\u751f\u6642\u9593\u306e\u8868\u793a<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">[sourcecode language=\"html\"]\n&lt;video id=\"mSource\" src=\"SampleVideo.ogv\"&gt;\n&lt;\/video&gt;\n\n&lt;p id=\"currentTime\"&gt;\u6642\u9593&lt;\/p&gt;\n&lt;input onclick=\"playPause()\" type=\"button\" value=\"\u518d\u751f\/\u4e00\u6642\u505c\u6b62\" \/&gt;\n\n&lt;!-- \u518d\u751f\u6642\u9593\u3092\u8868\u793a --&gt;\nfunction playPause() {\n  if(mSource.paused){\n    \/\/ \u30e1\u30c7\u30a3\u30a2\u518d\u751f\u30e1\u30bd\u30c3\u30c9\n    mSource.play();\n\n    \/\/ \"timeupdate\"\u6307\u5b9a\u306b\u3088\u308a\u3001\u518d\u751f\u6642\u9593\u66f4\u65b0\u6642\u306b\u547c\u3070\u308c\u308b\u30ea\u30b9\u30ca\u30fc\u3092\u8a2d\u5b9a\n    mSource.addEventListener(\"timeupdate\", function(){\n       document.getElementById(\"currentTime\").innerHTML = mSource.currentTime;\n       }, false);\n  } else {\n    mSource.pause();\n  }\n}\n[\/sourcecode]<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\u89e3\u8aac<\/h4>\n\n\n\n<p><strong>\u518d\u751f\u3001\u4e00\u6642\u505c\u6b62\u30dc\u30bf\u30f3\u306e\u8ffd\u52a0<\/strong><\/p>\n\n\n\n<p>5\u884c\u76ee\u3067\u518d\u751f\/\u4e00\u6642\u505c\u6b62\u30dc\u30bf\u30f3\u3092\u8ffd\u52a0\u3057\u30018\u884c\u76ee\u306e\u5bfe\u5fdc\u3059\u308b\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<br>\u518d\u751f\/\u4e00\u6642\u505c\u6b62\u30dc\u30bf\u30f3\u304c\u62bc\u3055\u308c\u308b\u3053\u3068\u306b\u3088\u308a\u30018\u884c\u76ee\u306eplayPause()\u304c\u547c\u3073\u51fa\u3055\u308c<br>1\u884c\u76ee\u3067\u6307\u5b9a\u3057\u305fid mSource\u306e\u73fe\u5728\u306e\u518d\u751f\u72b6\u614b\u3092\u30019\u884c\u76ee\u306emSource.paused\u306b\u3088\u308a\u5224\u5b9a\u3057\u307e\u3059\u3002<br>\u3082\u3057\u3001\u518d\u751f\u72b6\u614b\u304c\u4e00\u6642\u505c\u6b62\u4e2d(paused\u304ctrue)\u306a\u3089<br>11\u884c\u76ee\u306emSource.play()\u30e1\u30bd\u30c3\u30c9\u306b\u3088\u308a\u3001\u30d5\u30a1\u30a4\u30eb\u3092\u518d\u751f\u3057\u307e\u3059\u3002<br>\u518d\u751f\u72b6\u614b\u304c\u4e00\u6642\u505c\u6b62\u4e2d\u3067\u306f\u306a\u3044\u5834\u5408(paused\u304cfalse)\u306f<br>18\u884c\u76ee\u306emSource.pause()\u30e1\u30bd\u30c3\u30c9\u306b\u3088\u308a\u3001\u30d5\u30a1\u30a4\u30eb\u3092\u4e00\u6642\u505c\u6b62\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u518d\u751f\u6642\u9593\u306e\u8868\u793a<\/strong><\/p>\n\n\n\n<p>14\u884c\u76ee\u3067&#8221;timeupdate&#8221;\u3092\u6307\u5b9a\u3057\u3001\u518d\u751f\u6642\u9593\u66f4\u65b0\u30a4\u30d9\u30f3\u30c8\u30ea\u30b9\u30ca\u30fc\u3092\u8a2d\u5b9a\u3057<br>\u518d\u751f\u6642\u9593\u304c\u66f4\u65b0\u3055\u308c\u308b\u5ea6\u306b<br>15\u884c\u76ee\u3067\u30d5\u30a1\u30a4\u30eb\u306e\u518d\u751f\u6642\u9593 v.currentTime \u30924\u884c\u76ee\u306eid currentTime\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4eca\u56de\u7d30\u304b\u304fJavaScript\u306e\u30e1\u30bd\u30c3\u30c9\u3084\u30d7\u30ed\u30d1\u30c6\u30a3\u3001\u30a4\u30d9\u30f3\u30c8\u306e\u89e3\u8aac\u306f\u3057\u307e\u305b\u3093\u304c<br>\u5c5e\u6027\u5024\u540c\u69d8\u3001\u307b\u3068\u3093\u3069audio\u3001video\u8981\u7d20\u5171\u901a\u306e\u3082\u306e\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br>\u8208\u5473\u304c\u3042\u308b\u65b9\u306f<a href=\"http:\/\/www.w3schools.com\/tags\/ref_av_dom.asp\">\u3053\u3061\u3089\u306e\u30b5\u30a4\u30c8<\/a>\u306b\u4e00\u89a7\u304c\u307e\u3068\u3081\u3089\u308c\u3066\u3044\u308b\u306e\u3067\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6700\u5f8c\u306b<\/h3>\n\n\n\n<p>HTML5\u306e\u30ab\u30c6\u30b4\u30ea\u306e1\u3064\u3001\u30de\u30eb\u30c1\u30e1\u30c7\u30a3\u30a2\u306b\u3064\u3044\u3066\u66f8\u304b\u305b\u3066\u3044\u305f\u3060\u304d\u307e\u3057\u305f\u304c\u3044\u304b\u304c\u3067\u3057\u305f\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n\n\n\n<p>\u3053\u306e\u4ed6\u306b\u3082HTML5\u306b\u542b\u307e\u308c\u308b\u30aa\u30fc\u30c7\u30a3\u30aaAPI\u304c\u3042\u308b\u306e\u3067\u7d39\u4ecb\u3055\u305b\u3066\u3044\u305f\u3060\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>Web Audio API<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>W3C \u306b\u3088\u3063\u3066\u958b\u767a\u3055\u308c\u3066\u3044\u308b\u3001\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u7528\u306e\u97f3\u58f0\u51e6\u7406\u3068\u97f3\u58f0\u5408\u6210\u306e\u305f\u3081\u306e\u9ad8\u30ec\u30d9\u30eb JavaScript API\u3002\u4e3b\u8981\u306a\u8a2d\u8a08\u30d1\u30e9\u30c0\u30a4\u30e0\u306f\u3001AudioNode \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u3064\u306a\u304e\u3001\u97f3\u58f0\u30eb\u30fc\u30c8\u30b0\u30e9\u30d5\u3092\u4f5c\u308b\u5f62\u3002\u5b9f\u969b\u306e\u51e6\u7406\u306f\u3001\u4e3b\u306b\u30a6\u30a7\u30d6\u30d6\u30e9\u30a6\u30b6\u5185\u306e\u5b9f\u88c5\u3067\u884c\u308f\u308c\u308b\u304c\u3001JavaScript \u3067\u76f4\u63a5\u51e6\u7406\u3057\u3066\u5408\u6210\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd<\/p><\/blockquote>\n\n\n\n<p>(\u51fa\u5178\u5143\uff1awikipedia)<br>audio\u8981\u7d20\u306f\u30e1\u30c7\u30a3\u30a2\u518d\u751f\u306e\u305f\u3081\u306b\u8a2d\u8a08\u3055\u308c\u305f\u3082\u306e\u3067\u3059\u304c\u3001\u3053\u3061\u3089\u306f\u97f3\u58f0\u51e6\u7406\u306b\u7279\u5316\u3057\u305fAPI\u306b\u306a\u308a\u307e\u3059\u3002<br>\u97f3\u306b\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u304b\u3051\u308b\u3053\u3068\u306f\u3082\u3061\u308d\u3093\u3001\u30b7\u30fc\u30b1\u30f3\u30b5\u30fc\u3084\u30b7\u30f3\u30bb\u30b5\u30a4\u30b6\u30fc\u3082\u30d6\u30e9\u30a6\u30b6\u4e0a\u306b\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>MediaStream Processing API<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u97f3\u58f0\u306e\u30df\u30ad\u30b7\u30f3\u30b0\u3068\u51e6\u7406\u306b\u52a0\u3048\u3066\u3001\u3088\u308a\u4e00\u822c\u7684\u306a\u30e1\u30c7\u30a3\u30a2\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u3066\u3001HTML \u8981\u7d20\u3068\u306e\u540c\u671f\u3084\u3001\u97f3\u58f0\u3084\u52d5\u753b\u306e\u30ad\u30e3\u30d7\u30c1\u30e3\u3001WebRTC \u306e\u30e1\u30c7\u30a3\u30a2\u30b9\u30c8\u30ea\u30fc\u30e0\u306a\u3069\u3092\u6271\u3046\u3002<\/p><\/blockquote>\n\n\n\n<p>(\u51fa\u5178\u5143\uff1awikipedia)<br>WebRTC(Web Real-Time Communication)\uff1a&#8221;\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u7528\u306eAPI\u306e\u5b9a\u7fa9&#8221;<br>\u30e1\u30c7\u30a3\u30a2\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u51e6\u7406\u306b\u95a2\u3059\u308bAPI\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>Web Speech API<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Web Speech API \u306f\u97f3\u58f0\u5408\u6210\u3068\u97f3\u58f0\u8a8d\u8b58\u304b\u3089\u69cb\u6210\u3055\u308c\u3001\u30ad\u30fc\u30dc\u30fc\u30c9\u3084\u30de\u30a6\u30b9\u4ee5\u5916\u306e\u5165\u51fa\u529b\u306e\u624b\u6bb5\u3092\u63d0\u4f9b\u3059\u308b\u3002<\/p><\/blockquote>\n\n\n\n<p>(\u51fa\u5178\u5143\uff1awikipedia)<br>\u97f3\u58f0\u8a8d\u8b58\u3068\u30c6\u30ad\u30b9\u30c8\u8aad\u307f\u4e0a\u3052\u95a2\u3059\u308bAPI\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u6587\u7ae0\u5165\u529b\u3084Web\u30a2\u30d7\u30ea\u306e\u64cd\u4f5c\u304c\u30d6\u30e9\u30a6\u30b6\u4e0a\u3067\u51fa\u6765\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u6b4c\u308f\u305b\u308b\u3053\u3068\u3082\u51fa\u6765\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n\n\n\n<p>\u4eca\u307e\u3067\u306b\u306a\u3044\u3001Web\u30a2\u30d7\u30ea\u306e\u65b0\u305f\u306a\u53ef\u80fd\u6027\u3092\u611f\u3058\u307e\u3059\u306d\u3002<br>\u79c1\u306f\u7279\u306bWeb Audio 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height=\"200\"   \/><\/a><\/div>","protected":false},"excerpt":{"rendered":"<p>\u3053\u3093\u306b\u3061\u306fT.T\u3067\u3059\u3002 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