N\u1ebfu b\u1ea1n l\u00e0 ng\u01b0\u1eddi \u01b0a th\u01b0\u1edfng th\u1ee9c \u00e2m nh\u1ea1c, ch\u1eafc b\u1ea1n bi\u1ebft t\u00ean g\u1ecdi c\u1ee7a nhi\u1ec1u lo\u1ea1i nh\u1ea1c c\u1ee5, nh\u01b0 \u0111\u00e0n g\u00f5 (tr\u00ean d\u00e2y), \u0111\u00e0n nguy\u1ec7t, \u0111\u00e0n t\u00ec b\u00e0, \u0111\u00e0n nh\u1ecb, th\u1ee5 c\u1ea7m, piano, vi\u00f4l\u00f4ng, \u00f4boa v.v. B\u1ea1n \u0111\u00e3 nghe n\u00f3i \u0111\u1ebfn “\u0111\u00e0n chu\u00f4ng” bao gi\u1edd ch\u01b0a?<\/p>\n\n\n\n
\u0110\u00e0n chu\u00f4ng l\u00e0 m\u1ed9t trong nh\u1eefng lo\u1ea1i nh\u1ea1c c\u1ee5 c\u1ed5 x\u01b0a c\u1ee7a Trung Qu\u1ed1c. \u00c2m \u0111i\u1ec7u c\u1ee7a \u0111\u00e0n chu\u00f4ng v\u00f4 c\u00f9ng trang nghi\u00eam, \u0111\u0129nh \u0111\u1ea1c, h\u00e0i ho\u00e0. N\u0103m 1978, c\u00e1c nh\u00e0 kh\u1ea3o c\u1ed5 Trung Qu\u1ed1c \u0111\u00e3 khai qu\u1eadt \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u c\u1ed5 v\u1eadt trong m\u1ed9t ng\u00f4i m\u1ed9 \u0111\u1ea7u th\u1eddi k\u00ec Chi\u1ebfn qu\u1ed1c \u1edf huy\u1ec7n Tu\u1ef3 (nay l\u00e0 th\u00e0nh ph\u1ed1 Tu\u1ef3 Ch\u00e2u), t\u1ec9nh H\u1ed3 B\u1eafc. Trong s\u1ed1 c\u1ed5 v\u1eadt \u0111\u00f3 c\u00f3 m\u1ed9t gi\u00e0n \u0111\u00e0n chu\u00f4ng k\u00edch c\u1ee1 l\u1edbn, c\u00f3 th\u1ec3 g\u1ecdi l\u00e0 qu\u00fd hi\u1ebfm tr\u00ean \u0111\u1eddi.<\/p>\n\n\n\n
V\u00ec sao \u0111\u00e0n chu\u00f4ng c\u1ea7n ph\u1ea3i d\u00f9ng m\u1ed9t gi\u00e0n chu\u00f4ng l\u1edbn nh\u1ecf kh\u00e1c nhau nh\u1ec9?<\/p>\n\n\n\n
\u0110\u00f3 ch\u00ednh l\u00e0 v\u00ec mu\u1ed1n ch\u00fang ph\u00e1t ra nh\u1eefng \u00e2m thanh c\u00f3 \u00e2m \u0111i\u1ec7u kh\u00e1c nhau. Ch\u00fang ta bi\u1ebft r\u1eb1ng s\u1ed1 l\u1ea7n rung \u0111\u1ed9ng c\u1ee7a v\u1eadt th\u1ec3 trong m\u1ed9t \u0111\u01a1n v\u1ecb th\u1eddi gian c\u00e0ng nhi\u1ec1u, t\u1ee9c l\u00e0 t\u1ea7n s\u1ed1 c\u00e0ng cao, th\u00ec \u00e2m thanh c\u00e0ng ch\u00f3i, ho\u1eb7c l\u00e0 n\u00f3i \u00e2m thanh c\u00e0ng cao. C\u00f2n v\u1ec1 s\u1ef1 cao th\u1ea5p c\u1ee7a t\u1ea7n s\u1ed1 th\u00ec l\u1ea1i \u0111\u01b0\u1ee3c quy\u1ebft \u0111\u1ecbnh b\u1edfi kh\u1ed1i l\u01b0\u1ee3ng, h\u00ecnh d\u1ea1ng h\u00ecnh h\u1ecdc v\u00e0 k\u00edch th\u01b0\u1edbc c\u1ee7a v\u1eadt th\u1ec3. Gi\u00e0n \u0111\u00e0n chu\u00f4ng n\u00e0y, chu\u00f4ng to th\u00ec t\u1ea7n s\u1ed1 th\u1ea5p, ph\u00e1t sinh ra \u00e2m thanh vang v\u1ecdng m\u00e0 tr\u1ea7m h\u00f9ng; chu\u00f4ng nh\u1ecf th\u00ec t\u1ea7n s\u1ed1 cao, ph\u00e1t ra \u00e2m thanh th\u00e1nh th\u00f3t v\u00e0 cao v\u00fat. M\u1ed7i m\u1ed9t c\u00e1i chu\u00f4ng \u0111\u1ec1u thay m\u1eb7t cho m\u1ed9t \u00e2m \u0111i\u1ec7u, ph\u1ed1i h\u1ee3p v\u00e0o v\u1edbi nhau s\u1ebd th\u00e0nh ra m\u1ed9t gi\u00e0n nh\u1ea1c c\u1ee5.<\/p>\n\n\n\n
Ch\u00fang ta c\u00f3 th\u1ec3 d\u00f9ng c\u1ed1c n\u01b0\u1edbc l\u00e0m m\u1ed9t gi\u00e0n \u0111\u00e0n chu\u00f4ng m\u00f4 ph\u1ecfng.<\/p>\n\n\n\n
Ph\u01b0\u01a1ng ph\u00e1p l\u00e0m r\u1ea5t \u0111\u01a1n gi\u1ea3n, ch\u1ec9 c\u1ea7n l\u1ea5y m\u1ed9t ch\u1ee5c chi\u1ebfc c\u1ed1c pha l\u00ea gi\u1ed1ng nhau, trong c\u1ed1c \u0111\u1ef1ng n\u01b0\u1edbc v\u1edbi m\u1ee9c \u0111\u1ed9 \u0111\u1ea7y v\u01a1i kh\u00e1c nhau, r\u1ed3i s\u1eafp x\u1ebfp l\u1ea7n l\u01b0\u1ee3t theo th\u1ee9 t\u1ef1 l\u01b0\u1ee3ng n\u01b0\u1edbc trong c\u1ed1c. Xong xu\u00f4i \u0111\u00e2u \u0111\u1ea5y, b\u1ea1n c\u1ea7m m\u1ed9t chi\u1ebfc \u0111\u0169a g\u00f5 v\u00e0o c\u00e1c chi\u1ebfc c\u1ed1c l\u00e0 ch\u00fang s\u1ebd ph\u00e1t ra nh\u1eefng \u00e2m thanh c\u00f3 \u00e2m \u0111i\u1ec7u kh\u00e1c nhau.<\/p>\n\n\n\n
\u00c2m thanh t\u1eeb chi\u1ebfc c\u1ed1c ph\u00e1t ra, ch\u1ee7 y\u1ebfu l\u00e0 do s\u1ef1 rung \u0111\u1ed9ng c\u1ee7a th\u00e0nh c\u1ed1c. Tuy r\u1eb1ng h\u00ecnh d\u1ea1ng, k\u00edch th\u01b0\u1edbc v\u00e0 ch\u1ea5t li\u1ec7u c\u1ee7a nh\u1eefng chi\u1ebfc c\u1ed1c n\u00e0y nh\u01b0 nhau, song m\u1ef1c n\u01b0\u1edbc v\u01a1i \u0111\u1ea7y trong m\u1ed7i chi\u1ebfc m\u1ed9t kh\u00e1c. \u0110i\u1ec1u \u0111\u00f3 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi s\u1ef1 thay \u0111\u1ed5i kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a th\u00e0nh c\u1ed1c, v\u00ec v\u1eady \u00e2m \u0111i\u1ec7u ph\u00e1t ra l\u00fac cao, l\u00fac th\u1ea5p. N\u01b0\u1edbc r\u00f3t v\u00e0o c\u00e0ng \u0111\u1ea7y, kh\u1ed1i l\u01b0\u1ee3ng c\u00e0ng l\u1edbn, th\u00ec \u00e2m \u0111i\u1ec7u c\u00e0ng th\u1ea5p. C\u00f3 s\u1ef1 tr\u1ee3 gi\u00fap c\u1ee7a n\u01b0\u1edbc c\u0169ng r\u1ea5t t\u1ed1t, \u0111\u00f3 l\u00e0 l\u01b0\u1ee3ng n\u01b0\u1edbc r\u00f3t v\u00e0o nhi\u1ec1u hay \u00edt c\u00f3 th\u1ec3 \u0111i\u1ec1u ti\u1ebft, x\u00e1c \u0111\u1ecbnh \u00e2m \u0111i\u1ec7u t\u01b0\u01a1ng \u0111\u1ed1i d\u1ec5 d\u00e0ng. Sau khi hi\u1ec7u ch\u1ec9nh \u00e2m \u0111i\u1ec7u l\u00e0 \u0111\u00e3 c\u00f3 \u0111\u01b0\u1ee3c m\u1ed9t gi\u00e0n \u0111\u00e0n chu\u00f4ng m\u00f4 ph\u1ecfng r\u1ed3i.<\/p>\n\n\n\n
Ngay b\u00e2y gi\u1edd b\u1ea1n h\u00e3y b\u1eaft tay l\u00e0m th\u1eed xem, v\u00e0 di\u1ec5n t\u1ea5u m\u1ed9t kh\u00fac nh\u1ea1c b\u1eb1ng gi\u00e0n \u0111\u00e0n chu\u00f4ng m\u00f4 ph\u1ecfng cho m\u1ecdi ng\u01b0\u1eddi c\u00f9ng th\u01b0\u1edfng th\u1ee9c.1<\/p>\n\n\n\n
T\u1eeb kho\u00e1: \u00c2m \u0111i\u1ec7u; Gi\u00e0n \u0111\u00e0n chu\u00f4ng; T\u1ea7n s\u1ed1.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
N\u1ebfu b\u1ea1n l\u00e0 ng\u01b0\u1eddi \u01b0a th\u01b0\u1edfng th\u1ee9c \u00e2m nh\u1ea1c, ch\u1eafc b\u1ea1n bi\u1ebft t\u00ean g\u1ecdi c\u1ee7a nhi\u1ec1u lo\u1ea1i nh\u1ea1c c\u1ee5, nh\u01b0 \u0111\u00e0n g\u00f5 (tr\u00ean d\u00e2y), \u0111\u00e0n nguy\u1ec7t, \u0111\u00e0n t\u00ec b\u00e0, \u0111\u00e0n nh\u1ecb, th\u1ee5 c\u1ea7m, piano, vi\u00f4l\u00f4ng, \u00f4boa v.v. B\u1ea1n \u0111\u00e3 nghe n\u00f3i \u0111\u1ebfn “\u0111\u00e0n chu\u00f4ng” bao gi\u1edd ch\u01b0a? \u0110\u00e0n chu\u00f4ng l\u00e0 m\u1ed9t trong nh\u1eefng lo\u1ea1i nh\u1ea1c […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,7],"tags":[],"class_list":["post-5640","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-vat-ly"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/5640","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=5640"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/5640\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=5640"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=5640"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=5640"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}