{"id":2405,"date":"2023-09-06T11:46:39","date_gmt":"2023-09-06T02:46:39","guid":{"rendered":"http:\/\/blog.4star.link\/?p=2405"},"modified":"2023-09-06T11:46:39","modified_gmt":"2023-09-06T02:46:39","slug":"chrome%e3%83%96%e3%83%a9%e3%82%a6%e3%82%b6%e3%81%a7%e3%80%81%e3%83%9e%e3%82%a4%e3%82%af%e3%82%84%e9%9f%b3%e5%a3%b0%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%81%ae%e9%9f%b3%e6%ba%90%e5%8f%96%e5%be%97","status":"publish","type":"post","link":"https:\/\/blog.4star.link\/?p=2405","title":{"rendered":"chrome\u30d6\u30e9\u30a6\u30b6\u3067\u3001\u30de\u30a4\u30af\u3084\u97f3\u58f0\u30d5\u30a1\u30a4\u30eb\u306e\u97f3\u6e90\u53d6\u5f97"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>\/\/ AudioContext\u306e\u521d\u671f\u5316\nlet audioContext = new (window.AudioContext || window.webkitAudioContext)();\n\n\/\/ AnalyserNode\u306e\u4f5c\u6210\nlet analyser = audioContext.createAnalyser();\nanalyser.fftSize = 256;\n\n\/\/ \u5468\u6ce2\u6570\u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u3059\u308b\u914d\u5217\nlet dataArray = new Uint8Array(analyser.frequencyBinCount);\n\n\/\/ \u30de\u30a4\u30af\u306e\u97f3\u58f0\u3092\u53d6\u5f97\nnavigator.mediaDevices.getUserMedia({ audio: true }).then(stream => {\n    let micSource = audioContext.createMediaStreamSource(stream);\n    micSource.connect(analyser);\n}).catch(error => {\n    console.error('Error accessing the microphone:', error);\n});\n\n\/\/ \u97f3\u58f0\u30d5\u30a1\u30a4\u30eb\u3092\u53d6\u5f97\u3057\u3066\u518d\u751f\nlet audioElement = new Audio('data.wav'); \/\/ \u3042\u306a\u305f\u306e\u97f3\u58f0\u30d5\u30a1\u30a4\u30eb\u306e\u30d1\u30b9\nlet fileSource = audioContext.createMediaElementSource(audioElement);\nfileSource.connect(analyser);\naudioElement.play();\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[269],"tags":[451,271],"class_list":["post-2405","post","type-post","status-publish","format-standard","hentry","category-269","tag-audio","tag-chrome"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/blog.4star.link\/index.php?rest_route=\/wp\/v2\/posts\/2405"}],"collection":[{"href":"https:\/\/blog.4star.link\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.4star.link\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.4star.link\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.4star.link\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2405"}],"version-history":[{"count":1,"href":"https:\/\/blog.4star.link\/index.php?rest_route=\/wp\/v2\/posts\/2405\/revisions"}],"predecessor-version":[{"id":2406,"href":"https:\/\/blog.4star.link\/index.php?rest_route=\/wp\/v2\/posts\/2405\/revisions\/2406"}],"wp:attachment":[{"href":"https:\/\/blog.4star.link\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2405"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.4star.link\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2405"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.4star.link\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2405"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}