{"id":14260,"date":"2024-06-13T20:01:33","date_gmt":"2024-06-13T20:01:33","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=14260"},"modified":"2024-06-13T20:01:33","modified_gmt":"2024-06-13T20:01:33","slug":"digitizing-paper-records-unveiling-hidden-sounds","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/art\/music-technology\/digitizing-paper-records-unveiling-hidden-sounds\/","title":{"rendered":"H\u1ed3 s\u01a1 gi\u1ea5y: M\u1edf kh\u00f3a nh\u1eefng \u00e2m thanh ti\u1ec1m \u1ea9n"},"content":{"rendered":"

H\u1ed3 s\u01a1 gi\u1ea5y: M\u1edf kh\u00f3a nh\u1eefng \u00e2m thanh ti\u1ec1m \u1ea9n<\/h2>\n\n

S\u1ed1 h\u00f3a nh\u1ea1c tr\u00ean gi\u1ea5y<\/h2>\n\n

Trong th\u1ebf gi\u1edbi l\u01b0u tr\u1eef \u00e2m nh\u1ea1c, m\u1ed9t b\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 \u0111\u00e1ng ch\u00fa \u00fd \u0111\u00e3 xu\u1ea5t hi\u1ec7n: kh\u1ea3 n\u0103ng tr\u00edch xu\u1ea5t nh\u1ea1c t\u1eeb h\u00ecnh \u1ea3nh gi\u1ea5y c\u1ee7a c\u00e1c b\u1ea3n thu. Qu\u00e1 tr\u00ecnh n\u00e0y, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 chuy\u1ec3n \u0111\u1ed5i h\u00ecnh \u1ea3nh sang \u00e2m thanh, mang \u0111\u1ebfn m\u1ed9t lu\u1ed3ng sinh kh\u00ed m\u1edbi cho c\u00e1c b\u1ea3n ghi nh\u1ea1c in, kh\u00e1m ph\u00e1 nh\u1eefng \u00e2m thanh ti\u1ec1m \u1ea9n t\u1eebng \u0111\u01b0\u1ee3c cho l\u00e0 \u0111\u00e3 m\u1ea5t.<\/p>\n\n

Quy tr\u00ecnh: T\u1eeb gi\u1ea5y \u0111\u1ebfn \u00e2m thanh<\/h2>\n\n

Vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i m\u1ed9t h\u00ecnh \u1ea3nh gi\u1ea5y th\u00e0nh nh\u1ea1c l\u00e0 m\u1ed9t quy tr\u00ecnh g\u1ed3m nhi\u1ec1u b\u01b0\u1edbc, bao g\u1ed3m qu\u00e9t \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao, ch\u1ec9nh s\u1eeda v\u00e0 \u0111i\u1ec1n m\u00e0u. \u0110\u1ea7u ti\u00ean, m\u1ed9t b\u1ea3n qu\u00e9t \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1eeb b\u1ea3n ghi ch\u00e9p nh\u1ea1c \u0111\u00e3 in. Ti\u1ebfp theo, c\u00e1c r\u00e3nh tr\u00f2n tr\u00ean \u0111\u0129a \u0111\u01b0\u1ee3c ch\u1ec9nh s\u1eeda th\u00e0nh m\u1ed9t lo\u1ea1t c\u00e1c \u0111\u01b0\u1eddng song song. Nh\u1eefng \u0111\u01b0\u1eddng song song n\u00e0y sau \u0111\u00f3 \u0111\u01b0\u1ee3c \u0111i\u1ec1n b\u1eb1ng m\u1ed9t m\u00e0u \u0111\u1eb7c \u0111\u1ec3 t\u1ea1o th\u00e0nh d\u1ea1ng \u0111\u1ea1i di\u1ec7n k\u1ef9 thu\u1eadt s\u1ed1 c\u1ee7a c\u00e1c s\u00f3ng \u00e2m.<\/p>\n\n

ImageToSound: Th\u1ed5i h\u1ed3n v\u00e0o gi\u1ea5y<\/h2>\n\n

Ph\u00e9p m\u00e0u x\u1ea3y ra khi t\u1ec7p k\u1ef9 thu\u1eadt s\u1ed1 \u0111\u01b0\u1ee3c x\u1eed l\u00fd th\u00f4ng qua m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh chuy\u00ean d\u1ee5ng c\u00f3 t\u00ean l\u00e0 ImageToSound. Ch\u01b0\u01a1ng tr\u00ecnh n\u00e0y ph\u00e2n t\u00edch c\u00e1c m\u1eabu m\u00e0u trong c\u00e1c \u0111\u01b0\u1eddng song song v\u00e0 chuy\u1ec3n \u0111\u1ed5i ch\u00fang th\u00e0nh s\u00f3ng \u00e2m, v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 tr\u00edch xu\u1ea5t nh\u1ea1c t\u1eeb b\u1ea3n ghi gi\u1ea5y.<\/p>\n\n

H\u00e9 l\u1ed9 kho b\u00e1u l\u1ecbch s\u1eed<\/h2>\n\n

C\u00e1c b\u1ea3n ghi ch\u00e9p nh\u1ea1c in kh\u00f4ng ph\u1ea3i l\u00e0 hi\u1ebfm v\u00e0 ch\u00fang mang gi\u00e1 tr\u1ecb l\u1ecbch s\u1eed to l\u1edbn. Nhi\u1ec1u b\u1ea3n ghi \u00e2m h\u00e1t \u0111\u0129a than \u0111\u1ea7u ti\u00ean v\u00e0 phim c\u00e2m \u0111\u00e3 b\u1ecb m\u1ea5t \u0111\u01b0\u1ee3c l\u01b0u l\u1ea1i d\u01b0\u1edbi d\u1ea1ng b\u1ea3n in gi\u1ea5y v\u00ec m\u1ee5c \u0111\u00edch b\u1ea3n quy\u1ec1n. B\u1eb1ng c\u00e1ch s\u1ed1 h\u00f3a c\u00e1c b\u1ea3n ghi gi\u1ea5y n\u00e0y, ch\u00fang ta c\u00f3 th\u1ec3 kh\u00e1m ph\u00e1 v\u00e0 b\u1ea3o t\u1ed3n nh\u1eefng di s\u1ea3n \u00e2m nh\u1ea1c v\u00f4 gi\u00e1 n\u00e0y.<\/p>\n\n

T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c l\u01b0u tr\u1eef<\/h2>\n\n

Vi\u1ec7c b\u1ea3o qu\u1ea3n c\u00e1c h\u1ed3 s\u01a1 gi\u1ea5y c\u00f3 vai tr\u00f2 r\u1ea5t quan tr\u1ecdng trong vi\u1ec7c b\u1ea3o v\u1ec7 di s\u1ea3n \u00e2m nh\u1ea1c c\u1ee7a ch\u00fang ta. Nh\u1eefng h\u1ed3 s\u01a1 n\u00e0y cung c\u1ea5p nh\u1eefng hi\u1ec3u bi\u1ebft gi\u00e1 tr\u1ecb v\u1ec1 qu\u00e1 kh\u1ee9, cho ph\u00e9p ch\u00fang ta nghe v\u00e0 tr\u00e2n tr\u1ecdng th\u1ee9 \u00e2m nh\u1ea1c \u0111\u00e3 \u0111\u1ecbnh h\u00ecnh n\u00ean nh\u1eefng k\u1ef7 nguy\u00ean kh\u00e1c nhau. S\u1ed1 h\u00f3a \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o tu\u1ed5i th\u1ecd c\u1ee7a nh\u1eefng h\u1ed3 s\u01a1 n\u00e0y, b\u1ea3o v\u1ec7 ch\u00fang kh\u1ecfi s\u1ef1 xu\u1ed1ng c\u1ea5p v\u00e0 m\u1ea5t m\u00e1t.<\/p>\n\n

C\u00e1i nh\u00ecn s\u00e2u s\u1eafc v\u1ec1 quy tr\u00ecnh<\/h2>\n\n

Blog Media Preservation c\u1ee7a \u0110\u1ea1i h\u1ecdc Indiana cung c\u1ea5p c\u00e1i nh\u00ecn s\u00e2u s\u1eafc h\u1ea5p d\u1eabn v\u1ec1 quy tr\u00ecnh s\u1ed1 h\u00f3a c\u00e1c h\u1ed3 s\u01a1 gi\u1ea5y. Blog c\u1ee7a h\u1ecd gi\u1edbi thi\u1ec7u k\u1ebft qu\u1ea3 c\u1ee7a nh\u1eefng n\u1ed7 l\u1ef1c c\u1ee7a h\u1ecd, cho ph\u00e9p ch\u00fang ta nghe nh\u1eefng \u00e2m thanh \u0111\u01b0\u1ee3c tr\u00edch xu\u1ea5t t\u1eeb nh\u1eefng t\u00e0i li\u1ec7u l\u1ecbch s\u1eed n\u00e0y.<\/p>\n\n

Kh\u00f4ng ch\u1ec9 \u00e2m nh\u1ea1c: L\u01b0u tr\u1eef c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n kh\u00e1c<\/h2>\n\n

K\u1ef9 thu\u1eadt chuy\u1ec3n \u0111\u1ed5i h\u00ecnh \u1ea3nh sang \u00e2m thanh kh\u00f4ng ch\u1ec9 gi\u1edbi h\u1ea1n \u1edf c\u00e1c b\u1ea3n ghi nh\u1ea1c. K\u1ef9 thu\u1eadt n\u00e0y c\u0169ng \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ed1 h\u00f3a v\u00e0 ph\u1ee5c h\u1ed3i nh\u1eefng b\u1ed9 phim c\u00e2m \u0111\u00e3 m\u1ea5t \u0111\u01b0\u1ee3c l\u01b0u gi\u1eef d\u01b0\u1edbi d\u1ea1ng b\u1ea3n in gi\u1ea5y. C\u00e1ch ti\u1ebfp c\u1eadn s\u00e1ng t\u1ea1o n\u00e0y m\u1edf ra nh\u1eefng kh\u1ea3 n\u0103ng m\u1edbi \u0111\u1ec3 b\u1ea3o t\u1ed3n v\u00e0 kh\u00e1m ph\u00e1 l\u1ea1i nh\u1eefng hi\u1ec7n v\u1eadt v\u0103n h\u00f3a \u0111\u00e3 m\u1ea5t.<\/p>\n\n

Ph\u1ea7n k\u1ebft lu\u1eadn<\/h2>\n\n

Kh\u1ea3 n\u0103ng bi\u1ebfn nh\u1eefng h\u00ecnh \u1ea3nh gi\u1ea5y c\u1ee7a c\u00e1c b\u1ea3n ghi th\u00e0nh \u00e2m nh\u1ea1c l\u00e0 m\u1ed9t th\u00e0nh t\u1ef1u \u0111\u00e1ng ch\u00fa \u00fd trong l\u0129nh v\u1ef1c l\u01b0u tr\u1eef \u00e2m nh\u1ea1c. Quy tr\u00ecnh \u0111\u1ed9t ph\u00e1 n\u00e0y th\u1ed5i lu\u1ed3ng sinh kh\u00ed m\u1edbi v\u00e0o c\u00e1c b\u1ea3n ghi in, m\u1edf kh\u00f3a nh\u1eefng \u00e2m thanh ti\u1ec1m \u1ea9n v\u00e0 l\u01b0u gi\u1eef di s\u1ea3n \u00e2m nh\u1ea1c c\u1ee7a ch\u00fang ta cho c\u00e1c th\u1ebf h\u1ec7 mai sau. B\u1eb1ng c\u00e1ch n\u1eafm l\u1ea5y c\u00f4ng ngh\u1ec7 s\u1ed1 h\u00f3a v\u00e0 kh\u00e1m ph\u00e1 c\u00e1c k\u1ef9 thu\u1eadt ti\u00ean ti\u1ebfn, ch\u00fang ta c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng nh\u1eefng kho b\u00e1u c\u1ee7a qu\u00e1 kh\u1ee9 s\u1ebd ti\u1ebfp t\u1ee5c vang v\u1ecdng trong hi\u1ec7n t\u1ea1i v\u00e0 truy\u1ec1n c\u1ea3m h\u1ee9ng cho c\u00e1c th\u1ebf h\u1ec7 t\u01b0\u01a1ng lai.<\/p>","protected":false},"excerpt":{"rendered":"

H\u1ed3 s\u01a1 gi\u1ea5y: M\u1edf kh\u00f3a nh\u1eefng \u00e2m thanh ti\u1ec1m \u1ea9n S\u1ed1 h\u00f3a nh\u1ea1c tr\u00ean gi\u1ea5y Trong th\u1ebf gi\u1edbi l\u01b0u tr\u1eef \u00e2m nh\u1ea1c, m\u1ed9t b\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 \u0111\u00e1ng ch\u00fa \u00fd \u0111\u00e3…<\/p>\n","protected":false},"author":3,"featured_media":23647,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19146],"tags":[19142,19145,2048,19143,19144],"class_list":["post-14260","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-music-technology","tag-music-preservation","tag-image-to-sound-conversion","tag-digitization","tag-paper-records","tag-sound-extraction"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/14260","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=14260"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/14260\/revisions"}],"predecessor-version":[{"id":14261,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/14260\/revisions\/14261"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media\/23647"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=14260"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=14260"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=14260"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}