{"id":8051,"date":"2022-05-27T16:05:28","date_gmt":"2022-05-27T09:05:28","guid":{"rendered":"https:\/\/anpiano.com\/?p=8051"},"modified":"2022-05-27T16:05:31","modified_gmt":"2022-05-27T09:05:31","slug":"tai-sao-piano-lai-co-88-phim","status":"publish","type":"post","link":"https:\/\/anpiano.com\/?p=8051","title":{"rendered":"T\u1ea1i sao Piano l\u1ea1i c\u00f3 88 ph\u00edm ?"},"content":{"rendered":"<p>C\u00e2y Piano \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi \u00f4ng Bartolomeo Cristofori &#8211; ng\u01b0\u1eddi \u00dd v\u1edbi phi\u00ean b\u1ea3n 54 ph\u00edm. Theo th\u1eddi gian v\u00e0 l\u1ecbch s\u1eed ph\u00e1t tri\u1ec3n c\u1ee7a \u00e2m nh\u1ea1c, ph\u00edm \u0111\u00e0n \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng \u0111\u1ec3 ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi kh\u1ea3 n\u0103ng bi\u1ec3u di\u1ec5n v\u00e0 c\u1ea3m x\u00fac c\u1ee7a ng\u01b0\u1eddi ch\u01a1i<\/p><p>V\u00e0o nh\u1eefng n\u0103m 1890, b\u00e0n ph\u00edm piano \u0111\u00e3 \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng l\u00ean 88 ph\u00edm v\u00e0 7 qu\u00e3ng t\u00e1m (t\u1eeb 2A \u0111\u1ebfn C5; 27,5 Hz \u0111\u1ebfn 4,186 Hz *). Th\u00f4ng th\u01b0\u1eddng, kh\u1ea3 n\u0103ng ti\u1ebfp nh\u1eadn \u00e2m thanh c\u1ee7a con ng\u01b0\u1eddi n\u1eb1m \u1edf kho\u1ea3ng t\u1eeb 20 Hz \u0111\u1ebfn 20.000 Hz, nh\u01b0ng gi\u1edbi h\u1ea1n th\u1ef1c t\u1ebf v\u1ec1 t\u1ea7n s\u1ed1 m\u00e0 n\u00e3o ng\u01b0\u1eddi c\u00f3 th\u1ec3 ph\u00e2n bi\u1ec7t l\u00e0 \u1edf kho\u1ea3ng 4.000 Hz. N\u1ebfu v\u01b0\u1ee3t ra kh\u1ecfi \u00e2m v\u1ef1c n\u00e0y, \u00e2m thanh s\u1ebd tr\u1edf n\u00ean r\u1ea5t \u1ed3n ho\u1eb7c kh\u00f4ng th\u1ec3 t\u1ea1o ra c\u1ea3m gi\u00e1c cho con ng\u01b0\u1eddi khi nghe do \u0111\u00f3 \u00e2m thanh g\u1ea7n nh\u01b0 v\u00f4 ngh\u0129a. \u0110\u1ed1i v\u1edbi \u0111\u00e0n Piano Bosendorfer, s\u1ed1 l\u01b0\u1ee3ng ph\u00edm \u0111\u1ea1t t\u1edbi 97 ph\u00edm (2C \u0111\u1ebfn C5), tuy nhi\u00ean, nh\u1eefng d\u00e2y \u0111\u00e0n \u1edf khu v\u1ef1c n\u00e0y ch\u1ec9 \u0111\u00f3ng vai tr\u00f2 l\u00e0m s\u1ef1 c\u1ed9ng h\u01b0\u1edfng c\u1ee7a \u00e2m tr\u1ea7m (bass) \u0111\u01b0\u1ee3c khu\u1ebfch \u0111\u1ea1i h\u01a1n m\u00e0 t\u00f4i n\u00ean ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng c\u1ea3m nh\u1eadn \u0111\u01b0\u1ee3c.<\/p><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/vn.yamaha.com\/vi\/files\/trivia_p07_01_192x192_64b402bdaea37862acb84f5ecc6a2d0a.jpg\" alt=\"Although the human ear can discern sounds from 20 to 20,000 hz, it can only determine pitch up to a maximum level of around 4,000 hz.\"\/><\/figure><p>* Khi t\u1ea7n s\u1ed1 \u0111\u01b0\u1ee3c c\u00e2n ch\u1ec9nh \u1edf m\u1ee9c 440 Hz, \u00e2m v\u1ef1c c\u1ee7a m\u1ed7i ph\u00edm s\u1ebd ph\u1ee5 thu\u1ed9c v\u00e0o ph\u01b0\u01a1ng ph\u00e1p l\u00ean d\u00e2y \u0111\u00e0n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng<\/p>","protected":false},"excerpt":{"rendered":"<p>C\u00e2y Piano \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi \u00f4ng Bartolomeo Cristofori &#8211; ng\u01b0\u1eddi \u00dd v\u1edbi phi\u00ean b\u1ea3n 54 ph\u00edm. Theo th\u1eddi gian v\u00e0 l\u1ecbch s\u1eed ph\u00e1t tri\u1ec3n c\u1ee7a \u00e2m nh\u1ea1c, ph\u00edm \u0111\u00e0n \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng \u0111\u1ec3 ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi kh\u1ea3 n\u0103ng bi\u1ec3u di\u1ec5n v\u00e0 c\u1ea3m x\u00fac c\u1ee7a ng\u01b0\u1eddi ch\u01a1i V\u00e0o nh\u1eefng n\u0103m 1890, b\u00e0n&#8230;<\/p>\n","protected":false},"author":3,"featured_media":8052,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3],"tags":[],"class_list":["post-8051","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ban-can-biet"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/anpiano.com\/wp-content\/uploads\/2022\/05\/hinh_anh_piano_dep_49.jpg","_links":{"self":[{"href":"https:\/\/anpiano.com\/index.php?rest_route=\/wp\/v2\/posts\/8051"}],"collection":[{"href":"https:\/\/anpiano.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/anpiano.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/anpiano.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/anpiano.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8051"}],"version-history":[{"count":0,"href":"https:\/\/anpiano.com\/index.php?rest_route=\/wp\/v2\/posts\/8051\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/anpiano.com\/index.php?rest_route=\/wp\/v2\/media\/8052"}],"wp:attachment":[{"href":"https:\/\/anpiano.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8051"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/anpiano.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8051"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/anpiano.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8051"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}