{"id":1718,"date":"2017-04-01T22:32:44","date_gmt":"2017-04-01T14:32:44","guid":{"rendered":"http:\/\/www.bookcard.net\/wordpress\/?p=1718"},"modified":"2017-09-13T08:57:37","modified_gmt":"2017-09-13T00:57:37","slug":"piano_equal_temperaments_frequency","status":"publish","type":"post","link":"https:\/\/www.bookcard.net\/wordpress\/piano_equal_temperaments_frequency\/","title":{"rendered":"\u92fc\u7434-\u5341\u4e8c\u5e73\u5747\u5f8b\u7406\u8ad6\u983b\u7387\u503c\u7684\u8a08\u7b97"},"content":{"rendered":"<figure id=\"attachment_1472\" aria-describedby=\"caption-attachment-1472\" style=\"width: 8000px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2017\/03\/tonic_train.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1472\" src=\"https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2017\/03\/tonic_train.jpg\" alt=\"88\u7434\u9375\" width=\"8000\" height=\"1500\" srcset=\"https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2017\/03\/tonic_train.jpg 8000w, https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2017\/03\/tonic_train-300x56.jpg 300w, https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2017\/03\/tonic_train-768x144.jpg 768w, https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2017\/03\/tonic_train-1024x192.jpg 1024w\" sizes=\"auto, (max-width: 8000px) 100vw, 8000px\" \/><\/a><figcaption id=\"caption-attachment-1472\" class=\"wp-caption-text\">88\u7434\u9375<\/figcaption><\/figure>\n<p>\u5341\u4e8c\u5e73\u5747\u5f8b:\u628a\u4e00\u500b\u516b\u5ea6\u5206\u6210\u983b\u7387\u6bd4\u76f8\u7b49\u7684\u5341\u4e8c\u500b\u534a\u97f3\u7684\u5f8b\u5236.<\/p>\n<p>\u5341\u4e8c\u5e73\u5747\u7387\u534a\u97f3\u4e4b\u9593\u983b\u7387\u6bd4\u662f\u56fa\u5b9a\u7684.<\/p>\n<p>\u5341\u4e8c\u5e73\u5747\u7387\u534a\u97f3\u4e4b\u9593\u983b\u7387\u662f\u4e0d\u56fa\u5b9a\u7684.<\/p>\n<p>\u56e0\u6b64\u5341\u4e8c\u5e73\u5747\u7387\u6709\u7a31\u70ba\u201d\u7b49\u6bd4\u7387\u201d<\/p>\n<p>\u5341\u4e8c\u5e73\u5747\u5f8b\u534a\u97f3\u4e4b\u9593\u7684\u983b\u7387\u6bd4:<sup>12<\/sup>\u221a2=1.0594630943593<\/p>\n<p>&nbsp;<\/p>\n<p>X:\u8a2d\u6a19\u6e96\u97f3\u9ad8\u983b\u7387\u503c\u70ba440Hz<\/p>\n<p>\u7531\u65bc\u4e00\u500b\u516b\u5ea6\u7684\u983b\u7387\u6bd4\u70ba1:2,\u56e0\u6b6488\u9375\u92fc\u7434\u7684\u7b2c\u4e00\u9375\u97f3A2\u5176\u983b\u7387\u503c\u662f\u6a19\u6e96\u97f3\u7b2c\u56db\u5341\u4e5d\u9375a1\u76841\/16.<\/p>\n<p>&nbsp;<\/p>\n<p>A2=a1*1\/16=a1\/16<\/p>\n<p>\u6216<\/p>\n<p>A2=a1\/16=X\/16=440Hz\/16=27.5Hz<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"284\">A1=A2*<sup>12<\/sup>\u221a2<sup>(13-1)\u00a0\u00a0 <\/sup><\/td>\n<td width=\"284\">\u7b2c13\u865f\u9375A1<\/td>\n<\/tr>\n<tr>\n<td width=\"284\">A =A2*<sup>12<\/sup>\u221a2<sup>(25-1)\u00a0 <\/sup><\/td>\n<td width=\"284\">\u7b2c25\u865f\u9375A<\/td>\n<\/tr>\n<tr>\n<td width=\"284\">a =A2*<sup>12<\/sup>\u221a2<sup>(37-1)\u00a0 <\/sup><\/td>\n<td width=\"284\">\u7b2c37\u865f\u9375a<\/td>\n<\/tr>\n<tr>\n<td width=\"284\">a1=A2*<sup>12<\/sup>\u221a2<sup>(49-1)\u00a0 <\/sup><\/td>\n<td width=\"284\">\u7b2c49\u865f\u9375a1<\/td>\n<\/tr>\n<tr>\n<td width=\"284\">a2=A2*<sup>12<\/sup>\u221a2<sup>(61-1)\u00a0\u00a0 <\/sup><\/td>\n<td width=\"284\">\u7b2c61\u865f\u9375a2<\/td>\n<\/tr>\n<tr>\n<td width=\"284\">a3=A2*<sup>12<\/sup>\u221a2<sup>(73-1)<\/sup><\/td>\n<td width=\"284\">\u7b2c73\u865f\u9375a3<\/td>\n<\/tr>\n<tr>\n<td width=\"284\">a4=A2*<sup>12<\/sup>\u221a2<sup>(82-1)<\/sup><\/td>\n<td width=\"284\">\u7b2c85\u865f\u9375a4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><sup>\u00a0<\/sup><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5341\u4e8c\u5e73\u5747\u5f8b:\u628a\u4e00\u500b\u516b\u5ea6\u5206\u6210\u983b\u7387\u6bd4\u76f8\u7b49\u7684\u5341\u4e8c\u500b\u534a\u97f3\u7684\u5f8b\u5236. \u5341\u4e8c\u5e73\u5747\u7387\u534a\u97f3\u4e4b\u9593\u983b\u7387\u6bd4\u662f\u56fa\u5b9a\u7684. \u5341\u4e8c\u5e73\u5747\u7387\u534a\u97f3\u4e4b &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.bookcard.net\/wordpress\/piano_equal_temperaments_frequency\/\" class=\"more-link\">\u7e7c\u7e8c\u95b1\u8b80 <span class=\"screen-reader-text\">\u92fc\u7434-\u5341\u4e8c\u5e73\u5747\u5f8b\u7406\u8ad6\u983b\u7387\u503c\u7684\u8a08\u7b97<\/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-1718","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\/1718","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=1718"}],"version-history":[{"count":5,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts\/1718\/revisions"}],"predecessor-version":[{"id":2907,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts\/1718\/revisions\/2907"}],"wp:attachment":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/media?parent=1718"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/categories?post=1718"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/tags?post=1718"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}