{"id":1722,"date":"2017-04-01T23:12:32","date_gmt":"2017-04-01T15:12:32","guid":{"rendered":"http:\/\/www.bookcard.net\/wordpress\/?p=1722"},"modified":"2017-09-13T08:57:51","modified_gmt":"2017-09-13T00:57:51","slug":"piano_equal_temperaments_bedt","status":"publish","type":"post","link":"https:\/\/www.bookcard.net\/wordpress\/piano_equal_temperaments_bedt\/","title":{"rendered":"\u92fc\u7434-\u5341\u4e8c\u5e73\u5747\u5f8b\u97f3\u7a0b\u62cd\u7387\u7406\u8ad6\u503c\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>\u92fc\u7434\u8abf\u5f8b\u4e3b\u8981\u662f\u6839\u64da\u5e73\u5747\u5f8b\u5404\u97f3\u7a0b\u6709\u7121\u62cd\u4ee5\u53ca\u62cd\u7684\u8cc7\u6599\u5224\u65b7\u9032\u884c<\/p>\n<p>\u5341\u4e8c\u5e73\u5747\u5f8b\u7684\u97f3\u7a0b\u9664\u4e86\u540c\u5ea6\u548c\u516b\u5ea6\u5916,\u5176\u9918\u90fd\u6709\u4e00\u5b9a\u6578\u91cf\u7684\u62cd.<\/p>\n<p>\u5341\u4e8c\u5e73\u5747\u5f8b\u97f3\u7a0b\u62cd\u7387\u7684\u8a08\u7b97\u65b9\u7a0b<\/p>\n<ol>\n<li>\u9996\u5148\u78ba\u5b9a\u6a19\u6e96\u97f3\u9ad8\u5982a1=440Hz<\/li>\n<li>\u6309\u6240\u78ba\u5b9a\u7684\u6a19\u6e96\u97f3\u9ad8\u8a08\u7b97\u51fa\u6240\u6709\u8abf\u97f3\u7a0b\u5169\u9375\u97f3\u7684\u983b\u7387\u503c<\/li>\n<li>\u5217\u51fa\u5404\u97f3\u7a0b\u7684\u5171\u540c\u500d\u97f3\u7684\u500d\u97f3\u6b21\u6578<\/li>\n<li>\u5c07\u6240\u6c42\u51fa\u97f3\u7a0b\u5169\u9375\u97f3\u7684\u983b\u7387\u503c\u5206\u5225\u4e58\u4ee5\u5171\u540c\u500d\u97f3\u7684\u500d\u97f3\u6b21\u6578,\u7136\u5f8c\u76f8\u6e1b\u6240\u5f97\u5dee\u503c\u7684\u7d55\u5c0d\u503c\u5373\u70ba\u8a72\u97f3\u7a0b\u7684\u62cd\u7387<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p>\u4f8b:\u6c42a1=440Hz\u6642f(33\u9375)~a(37\u9375)\u5927\u4e09\u5ea6\u7684\u62cd\u6578<\/p>\n<p>f=A2*(<sup>12<\/sup>\u221a2)<sup>(33-1)<\/sup>=174.614Hz<\/p>\n<p>a=A2*(<sup>12<\/sup>\u221a2)<sup>(37-1)<\/sup>=220.000Hz<\/p>\n<p>\u5927\u4e09\u5ea6\u7684\u5171\u540c\u500d\u97f3\u7684\u500d\u97f3\u6b21\u6578\u70ba:<\/p>\n<p>\u6839\u97f3\u662f\u7b2c\u4e94\u500d\u97f3<\/p>\n<p>\u51a0\u97f3\u662f\u7b2c\u56db\u500d\u97f3<\/p>\n<p>&nbsp;<\/p>\n<p>beat=abs(174.641*5-220.000*4)<\/p>\n<p>beat=abs(-6.93)<\/p>\n<p>beat=6.93\u62cd<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u92fc\u7434\u8abf\u5f8b\u4e3b\u8981\u662f\u6839\u64da\u5e73\u5747\u5f8b\u5404\u97f3\u7a0b\u6709\u7121\u62cd\u4ee5\u53ca\u62cd\u7684\u8cc7\u6599\u5224\u65b7\u9032\u884c \u5341\u4e8c\u5e73\u5747\u5f8b\u7684\u97f3\u7a0b\u9664\u4e86\u540c\u5ea6\u548c\u516b\u5ea6\u5916,\u5176\u9918\u90fd\u6709\u4e00\u5b9a\u6578\u91cf\u7684 &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.bookcard.net\/wordpress\/piano_equal_temperaments_bedt\/\" class=\"more-link\">\u7e7c\u7e8c\u95b1\u8b80 <span class=\"screen-reader-text\">\u92fc\u7434-\u5341\u4e8c\u5e73\u5747\u5f8b\u97f3\u7a0b\u62cd\u7387\u7406\u8ad6\u503c\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-1722","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\/1722","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=1722"}],"version-history":[{"count":5,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts\/1722\/revisions"}],"predecessor-version":[{"id":2908,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts\/1722\/revisions\/2908"}],"wp:attachment":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/media?parent=1722"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/categories?post=1722"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/tags?post=1722"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}