{"id":1838,"date":"2017-05-21T00:15:16","date_gmt":"2017-05-20T16:15:16","guid":{"rendered":"http:\/\/www.bookcard.net\/wordpress\/?p=1838"},"modified":"2017-08-01T09:43:21","modified_gmt":"2017-08-01T01:43:21","slug":"grand_equal_temperaments_and_just_intonation_and_pythagorean_tuning","status":"publish","type":"post","link":"https:\/\/www.bookcard.net\/wordpress\/grand_equal_temperaments_and_just_intonation_and_pythagorean_tuning\/","title":{"rendered":"\u94a2\u7434-\u4e09\u5927\u97f3\u5f8b\u7684\u6bd4\u8f83"},"content":{"rendered":"<figure id=\"attachment_1766\" aria-describedby=\"caption-attachment-1766\" style=\"width: 1024px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2017\/04\/piano_temperament_important.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1766\" src=\"https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2017\/04\/piano_temperament_important.jpg\" alt=\"\u92fc\u7434-\u8abf\u5f8b\" width=\"1024\" height=\"768\" srcset=\"https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2017\/04\/piano_temperament_important.jpg 1024w, https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2017\/04\/piano_temperament_important-300x225.jpg 300w, https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2017\/04\/piano_temperament_important-768x576.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption id=\"caption-attachment-1766\" class=\"wp-caption-text\">\u92fc\u7434-\u8abf\u5f8b<\/figcaption><\/figure>\n<p>\u94a2\u7434-\u4e09\u5927\u97f3\u5f8b\u7684\u6bd4\u8f83<\/p>\n<p>\u4e94\u5ea6\u76f8\u751f\u5f8b,\u7eaf\u5f8b,\u5341\u4e8c\u5e73\u5747\u5f8b,\u4e09\u5927\u97f3\u5f8b\u7684\u6bd4\u8f83<\/p>\n<ol>\n<li>\u5404\u97f3\u5f8b\u90fd\u6709\u5373\u5b9a\u81ea\u5df2\u4e2a\u5f8b\u97f3\u7684\u7cbe\u786e\u5ea6<\/li>\n<li>\u4e09\u5927\u97f3\u5f8b\u7684\u540c\u5ea6(1:1),\u516b\u5ea6(2:1)\u662f\u4e00\u6837\u7684<\/li>\n<li>\u201c\u4e94\u5ea6\u76f8\u751f\u5f8b\u201d,\u201d\u7eaf\u5f8b\u201d\u7684\u4e94\u5ea6\u97f3\u7a0b(3:2)\u56db\u5ea6\u97f3\u7a0b(4:3)\u662f\u4e00\u81f4\u7684.<\/li>\n<li>\u5341\u4e8c\u5e73\u5747\u5f8b\u53ea\u6709\u540c\u5ea6\u516b\u5ea6\u4e0e\u4e94\u5ea6\u76f8\u751f\u5f8b\u548c\u7eaf\u5f8b\u5176\u4f59\u5404\u97f3\u6709\u5dee\u5f02<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p>\u6bd4\u8f83\u7eaf\u5f8b\u4e0e\u5341\u4e8c\u5e73\u5747\u5f8b\u7684\u4e94\u5ea6\u97f3\u7a0b\u548c\u56db\u5ea6\u97f3\u7a0b<\/p>\n<p>\u7eaf\u5f8b\u56db\u5ea6<\/p>\n<p>E44=A37*3\/2<\/p>\n<p>E44=200*3\/2<\/p>\n<p>E44=330\u8d6b\u5179<\/p>\n<p>&nbsp;<\/p>\n<p>\u5341\u4e8c\u5e73\u5747\u5f8b\u4e94\u5ea6<\/p>\n<p>E44=A37*(<sup>12<\/sup>\u221a2)<sup>7<\/sup><\/p>\n<p>E44=220*1.059463<sup>7<\/sup><\/p>\n<p>E44=329.627351\u8d6b\u5179<\/p>\n<p>&nbsp;<\/p>\n<p>\u6c42\u4e24\u97f3\u95f4\u97f3\u5206\u6570\u7684\u6570\u5b66\u516c\u5f0f<\/p>\n<p>I=3986.314*lg(f2\/f1)<\/p>\n<p>I:\u97f3\u5206<\/p>\n<p>f1:\u6839\u97f3\u9891\u7387<\/p>\n<p>f2:\u51a0\u97f3\u9891\u7387<\/p>\n<p>&nbsp;<\/p>\n<p>\u7eaf\u5f8b\u4e94\u5ea6\u97f3\u5206<\/p>\n<p>I=3986.314*lg(330\/220)<\/p>\n<p>I=702\u97f3\u5206<\/p>\n<p>&nbsp;<\/p>\n<p>\u5341\u4e8c\u5e73\u5747\u5f8b\u4e94\u5ea6\u97f3\u5206<\/p>\n<p>I=3986.314*lg(329.62\/220)<\/p>\n<p>I=700\u97f3\u5206<\/p>\n<p>&nbsp;<\/p>\n<p>\u7eaf\u5f8b\u4e94\u5ea6\u6bd4\u5341\u4e8c\u5e73\u5747\u5f8b\u4e94\u5ea6\u5bbd\u4e24\u97f3\u5206<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>\u7eaf\u5f8b\u56db\u5ea6<\/p>\n<p>E44=A37*4\/3<\/p>\n<p>E44=200*4\/3<\/p>\n<p>E44=293.33\u8d6b\u5179<\/p>\n<p>&nbsp;<\/p>\n<p>\u5341\u4e8c\u5e73\u5747\u5f8b\u56db\u5ea6<\/p>\n<p>E44=A37*(<sup>12<\/sup>\u221a2)<sup>5<\/sup><\/p>\n<p>E44=220*1.059463<sup>5<\/sup><\/p>\n<p>E44=329.66\u8d6b\u5179<\/p>\n<p>&nbsp;<\/p>\n<p>\u7eaf\u5f8b\u56db\u5ea6\u97f3\u5206<\/p>\n<p>I=3986.314*lg(293.33\/220)<\/p>\n<p>I=498\u97f3\u5206<\/p>\n<p>&nbsp;<\/p>\n<p>\u5341\u4e8c\u5e73\u5747\u5f8b\u56db\u5ea6\u97f3\u5206<\/p>\n<p>I=3986.314*lg(293.66\/220)<\/p>\n<p>I=500\u97f3\u5206<\/p>\n<p>&nbsp;<\/p>\n<p>\u7eaf\u5f8b\u56db\u5ea6\u6bd4\u5341\u4e8c\u5e73\u5747\u5f8b\u56db\u5ea6\u7a84\u4e24\u97f3\u5206<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u94a2\u7434-\u4e09\u5927\u97f3\u5f8b\u7684\u6bd4\u8f83 \u4e94\u5ea6\u76f8\u751f\u5f8b,\u7eaf\u5f8b,\u5341\u4e8c\u5e73\u5747\u5f8b,\u4e09\u5927\u97f3\u5f8b\u7684\u6bd4\u8f83 \u5404\u97f3\u5f8b\u90fd\u6709\u5373\u5b9a\u81ea\u5df2\u4e2a\u5f8b\u97f3\u7684\u7cbe\u786e\u5ea6 \u4e09\u5927\u97f3\u5f8b &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.bookcard.net\/wordpress\/grand_equal_temperaments_and_just_intonation_and_pythagorean_tuning\/\" class=\"more-link\">\u7e7c\u7e8c\u95b1\u8b80 <span class=\"screen-reader-text\">\u94a2\u7434-\u4e09\u5927\u97f3\u5f8b\u7684\u6bd4\u8f83<\/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-1838","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\/1838","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=1838"}],"version-history":[{"count":3,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts\/1838\/revisions"}],"predecessor-version":[{"id":1844,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts\/1838\/revisions\/1844"}],"wp:attachment":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/media?parent=1838"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/categories?post=1838"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/tags?post=1838"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}