{"provider_url":"https://hatena.blog","url":"https://yoya.hatenadiary.jp/entry/20130103/tone","blog_url":"https://yoya.hatenadiary.jp/","author_name":"yoya","title":"WebAudio \u3067\u5e73\u5747\u5f8b","published":"2013-01-03 00:00:00","blog_title":"yoya's diary","version":"1.0","author_url":"https://blog.hatena.ne.jp/yoya/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyoya.hatenadiary.jp%2Fentry%2F20130103%2Ftone\" title=\"WebAudio \u3067\u5e73\u5747\u5f8b - yoya&#39;s diary\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","width":"100%","description":"\u529b\u3065\u304f\u3060\u3051\u3069\u3002 \u5b9f\u9a13\u30da\u30fc\u30b8 http://awm.jp/~yoya/diary/data/2013/01/03/audiobuffer2.html \u30b3\u30fc\u30c9 \u307e\u305a\u3001\u6ce2\u5f62\uff11\u500b\u5206\u306e\u30c7\u30fc\u30bf\u3092\u4f5c\u308b\u3002\u3053\u308c\u306f\u6b63\u5f26\u6ce2 var oneCycleLength = sampleRate / standardTone; var buf = context.createBuffer(1, oneCycleLength, sampleRate); var data = buf.getChannelData(0); var delta = 2 * Math.PI / oneCycleLength; var volume =\u2026","image_url":null,"type":"rich","categories":[],"provider_name":"Hatena Blog"}