{"id":1455,"date":"2017-03-10T23:22:30","date_gmt":"2017-03-10T15:22:30","guid":{"rendered":"http:\/\/www.bookcard.net\/wordpress\/?p=1455"},"modified":"2017-08-01T09:48:30","modified_gmt":"2017-08-01T01:48:30","slug":"piano_equal_temperaments","status":"publish","type":"post","link":"https:\/\/www.bookcard.net\/wordpress\/piano_equal_temperaments\/","title":{"rendered":"\u92fc\u7434-\u5341\u4e8c\u5e73\u5747\u5f8b"},"content":{"rendered":"<figure id=\"attachment_1439\" aria-describedby=\"caption-attachment-1439\" style=\"width: 1024px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1439\" src=\"https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2017\/03\/Piano_sound.jpg\" alt=\"\u92fc\u7434\" width=\"1024\" height=\"768\" srcset=\"https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2017\/03\/Piano_sound.jpg 1024w, https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2017\/03\/Piano_sound-300x225.jpg 300w, https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2017\/03\/Piano_sound-768x576.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption id=\"caption-attachment-1439\" class=\"wp-caption-text\">\u92fc\u7434<\/figcaption><\/figure>\n<p>\u5341\u4e8c\u5e73\u5747\u5f8b\u5236\u53c8\u7a31\u70ba\u5341\u4e8c\u7b49\u6bd4\u5f8b<\/p>\n<p>\u5b83\u628a\u4e00\u500b\u516b\u5ea6\u5206\u6210\u983b\u7387\u6bd4\u76f8\u7b49\u5341\u4e8c\u500b\u534a\u97f3\u7684\u5f8b\u5236,\u4ea6\u5373\u5341\u4e8c\u5e73\u5747\u5f8b\u662f\u500b\u76f8\u9818\u5169\u5f8b\u4e4b\u9593\u5176\u201d\u983b\u7387\u6bd4\u201d\u5747\u76f8\u7b49\u7684\u4e00\u7a2e\u5f8b\u5236,\u92fc\u7434\u4f7f\u7528\u5341\u4e8c\u5e73\u5747\u7387\u5206\u5f8b<\/p>\n<p>A2(1\u53f7\u952e)=27.5Hz<br \/>\nA1(13\u53f7\u952e)=55Hz<br \/>\nA (25\u53f7\u952e)=110Hz<br \/>\na (37\u53f7\u952e)=220Hz<br \/>\na1(49\u53f7\u952e)=440Hz<br \/>\na2(61\u53f7\u952e)=880Hz<br \/>\na3(73\u53f7\u952e)=1760Hz<br \/>\na4(85\u53f7\u952e)=3520Hz<\/p>\n<p>a(37\u53f7\u952e)=220Hz<br \/>\n#a(38\u53f7\u952e)=220Hz*(<sup>2<\/sup>\u221a12)<sup>1<\/sup><br \/>\nb(39\u53f7\u952e)= 220Hz*(<sup>2<\/sup>\u221a12)<sup>2<\/sup><br \/>\nc1(40\u53f7\u952e)= 220Hz*(<sup>2<\/sup>\u221a12)<sup>3<\/sup><br \/>\n#c1(41\u53f7\u952e)= 220Hz*(<sup>2<\/sup>\u221a12)<sup>4<\/sup><br \/>\nd1(42\u53f7\u952e)= 220Hz*(<sup>2<\/sup>\u221a12)<sup>5<\/sup><br \/>\n#d1(43\u53f7\u952e)= 220Hz*(<sup>2<\/sup>\u221a12)<sup>6<\/sup><br \/>\ne1(44\u53f7\u952e)= 220Hz*(<sup>2<\/sup>\u221a12)<sup>7<\/sup><br \/>\nf1(45\u53f7\u952e)= 220Hz*(<sup>2<\/sup>\u221a12)<sup>8<\/sup><br \/>\n#f1(46\u53f7\u952e)= 220Hz*(<sup>2<\/sup>\u221a12)<sup>9<\/sup><br \/>\ng1(47\u53f7\u952e)= 220Hz*(<sup>2<\/sup>\u221a12)<sup>10<\/sup><br \/>\n#g1(48\u53f7\u952e)= 220Hz*(<sup>2<\/sup>\u221a12)<sup>11<\/sup><br \/>\na1(49\u53f7\u952e)= 220Hz*(<sup>2<\/sup>\u221a12)<sup>12<\/sup>=440Hz<\/p>\n<p>\u4f8b\u5b50<br \/>\nA2(1\u53f7\u952e)=27.5Hz<br \/>\na1(49\u53f7\u952e)=440Hz<br \/>\n27.5Hz*(<sup>2<\/sup>\u221a12)<sup>(49-1)<\/sup><br \/>\n=27.5Hz*16<br \/>\n=440Hz<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5341\u4e8c\u5e73\u5747\u5f8b\u5236\u53c8\u7a31\u70ba\u5341\u4e8c\u7b49\u6bd4\u5f8b \u5b83\u628a\u4e00\u500b\u516b\u5ea6\u5206\u6210\u983b\u7387\u6bd4\u76f8\u7b49\u5341\u4e8c\u500b\u534a\u97f3\u7684\u5f8b\u5236,\u4ea6\u5373\u5341\u4e8c\u5e73\u5747\u5f8b\u662f\u500b\u76f8\u9818\u5169\u5f8b\u4e4b\u9593\u5176\u201d\u983b &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.bookcard.net\/wordpress\/piano_equal_temperaments\/\" class=\"more-link\">\u7e7c\u7e8c\u95b1\u8b80 <span class=\"screen-reader-text\">\u92fc\u7434-\u5341\u4e8c\u5e73\u5747\u5f8b<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[26],"class_list":["post-1455","post","type-post","status-publish","format-standard","hentry","category-piano","tag-piano","entry"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts\/1455","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/comments?post=1455"}],"version-history":[{"count":8,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts\/1455\/revisions"}],"predecessor-version":[{"id":1527,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts\/1455\/revisions\/1527"}],"wp:attachment":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/media?parent=1455"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/categories?post=1455"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/tags?post=1455"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}