{"id":31378,"date":"2019-01-16T20:16:59","date_gmt":"2019-01-17T04:16:59","guid":{"rendered":"https:\/\/teach.udemy.com\/?page_id=31378"},"modified":"2023-05-31T05:18:50","modified_gmt":"2023-05-31T12:18:50","slug":"resolve-common-audio-issues","status":"publish","type":"page","link":"https:\/\/teach.udemy.com\/vi\/recording\/resolve-common-audio-issues\/","title":{"rendered":"Kh\u1eafc ph\u1ee5c c\u00e1c v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p v\u1ec1 \u00e2m thanh"},"content":{"rendered":"

\u00c2m thanh l\u00e0 m\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 kh\u00f3 kh\u1eafc ph\u1ee5c nh\u1ea5t c\u1ee7a kh\u00f3a h\u1ecdc sau khi b\u1ea1n ghi h\u00ecnh, v\u00ec v\u1eady h\u00e3y \u0111\u1ea3m b\u1ea3o b\u1ea1n d\u00e0nh th\u1eddi gian \u0111\u1ec3 ch\u1ec9nh s\u1eeda \u00e2m thanh ngay t\u1eeb \u0111\u1ea7u. Vi\u1ec7c h\u1ecdc vi\u00ean nghe \u0111\u01b0\u1ee3c l\u1eddi b\u1ea1n n\u00f3i r\u00f5 r\u00e0ng r\u1ea5t quan tr\u1ecdng.<\/span><\/p>\n

D\u01b0\u1edbi \u0111\u00e2y l\u00e0 danh s\u00e1ch c\u00e1c v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p v\u1ec1 \u00e2m thanh v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c.<\/span><\/p>\n

Hai \u0111i\u1ec1u quan tr\u1ecdng tr\u01b0\u1edbc khi b\u1ea1n ghi h\u00ecnh<\/strong><\/h2>\n
    \n
  1. T\u1ed1t nh\u1ea5t n\u00ean s\u1eed d\u1ee5ng micr\u00f4 b\u00ean ngo\u00e0i. Tr\u00e1nh ghi \u00e2m tr\u1ef1c ti\u1ebfp t\u1eeb micr\u00f4 t\u00edch h\u1ee3p tr\u00ean camera, m\u00e1y t\u00ednh ho\u1eb7c \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng.<\/li>\n
  2. Ki\u1ec3m tra \u00e2m thanh c\u1ee7a b\u1ea1n s\u1edbm v\u00e0 th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 tr\u00e1nh ph\u1ea3i ghi h\u00ecnh l\u1ea1i cho n\u1ed9i dung. B\u1eb1ng c\u00e1ch \u0111\u00f3, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea1n c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng \u00e2m thanh t\u1ed1t trong su\u1ed1t kh\u00f3a h\u1ecdc.<\/li>\n<\/ol>\n

    C\u00e1ch tr\u00e1nh ti\u1ebfng vang v\u00e0 t\u1ea1p \u00e2m<\/b><\/h2>\n

    Ghi h\u00ecnh trong ph\u00f2ng tr\u1ed1ng kh\u00f4ng c\u00f3 t\u1ea5m che t\u01b0\u1eddng v\u00e0 th\u1ea3m l\u00e0 m\u1ed9t trong nh\u1eefng c\u00e1ch ph\u1ed5 bi\u1ebfn nh\u1ea5t khi\u1ebfn gi\u1ea3ng vi\u00ean c\u00f3 \u00e2m thanh k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng. \u0110i\u1ec1u n\u00e0y l\u00e0 do ti\u1ebfng vang khi\u1ebfn \u00e2m thanh ph\u00e1t ra r\u1ea5t xa, gi\u1ed1ng nh\u01b0 b\u1ea1n \u0111ang ghi h\u00ecnh trong kh\u00f4ng gian m\u1edf.<\/span><\/p>\n

    \u0110\u1ec3 tr\u00e1nh ti\u1ebfng vang, h\u00e3y th\u00eam c\u00e1c d\u1ee5ng c\u1ee5 c\u00e1ch \u00e2m \u0111\u1ec3 gi\u00fap h\u1ea5p th\u1ee5 m\u1ed9t ph\u1ea7n \u00e2m thanh. B\u1ea1n c\u00f3 th\u1ec3 g\u1eafn t\u1ea5m c\u00e1ch \u00e2m v\u00e0o t\u01b0\u1eddng c\u1ee7a ph\u00f2ng ghi h\u00ecnh, ho\u1eb7c b\u1ea1n c\u00f3 th\u1ec3 b\u1ed1 tr\u00ed ch\u0103n, \u0111\u1ec7m, g\u1ed1i v\u00e0 sofa \u0111\u1ec3 gi\u00fap h\u1ea5p th\u1ee5 m\u1ed9t ph\u1ea7n \u00e2m thanh. H\u00e3y xem <\/span>c\u00e1ch thi\u1ebft l\u1eadp kh\u00f4ng gian ghi h\u00ecnh<\/span><\/a> \u0111\u1ec3 bi\u1ebft th\u00eam m\u1eb9o.<\/span><\/p>\n

    \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 b\u1ea1n ph\u1ea3i th\u01b0\u1eddng xuy\u00ean t\u1ea1m d\u1eebng v\u00e0 l\u1eafng nghe b\u1ea3n ghi \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o b\u1ea1n kh\u00f4ng thu ph\u1ea3i nh\u1eefng \u00e2m thanh nh\u01b0 ti\u1ebfng \u1ed3n giao th\u00f4ng, ti\u1ebfng \u0111i\u1ec1u h\u00f2a, ti\u1ebfng chu\u00f4ng \u0111i\u1ec7n tho\u1ea1i, ti\u1ebfng ng\u01b0\u1eddi n\u00f3i chuy\u1ec7n trong n\u1ec1n, v.v. v\u00ec c\u00e1c t\u1ea1p \u00e2m n\u00e0y th\u01b0\u1eddng kh\u00f4ng \u0111\u01b0\u1ee3c ch\u00fa \u00fd trong qu\u00e1 tr\u00ecnh ghi h\u00ecnh.<\/span><\/p>\n

    Kh\u1eafc ph\u1ee5c v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p v\u1ec1 \u00e2m thanh<\/strong><\/h2>\n

    M\u00e9o ti\u1ebfng:<\/b> B\u1ea1n c\u00f3 th\u1ec3 nghe th\u1ea5y \u00e2m thanh t\u0129nh \u0111i\u1ec7n trong b\u1ea3n ghi. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng x\u1ea3y ra do m\u1ee9c khu\u1ebfch \u0111\u1ea1i qu\u00e1 cao, khi\u1ebfn \u00e2m thanh nghe c\u1ef1c k\u1ef3 kh\u00f3 ch\u1ecbu.<\/span><\/p>\n

    Ti\u1ebfng r\u00e8 trong n\u1ec1n:<\/b> B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i ti\u1ebfng r\u00e8 gi\u1ed1ng nh\u01b0 t\u00ecnh tr\u1ea1ng m\u00e9o ti\u1ebfng. \u00c2m thanh n\u00e0y nghe gi\u1ed1ng nh\u01b0 ti\u1ebfng l\u1ea1o x\u1ea1o trong b\u1ea3n ghi \u00e2m. Th\u00f4ng th\u01b0\u1eddng, nguy\u00ean nh\u00e2n l\u00e0 do micr\u00f4 ch\u1ea5t l\u01b0\u1ee3ng k\u00e9m, gi\u1ed1ng nh\u01b0 micr\u00f4 t\u00edch h\u1ee3p s\u1eb5n tr\u00ean camera ho\u1eb7c m\u00e1y t\u00ednh.<\/span><\/p>\n

    Loa b\u00ean tr\u00e1i:<\/b> N\u1ebfu t\u00f9y ch\u1ecdn c\u00e0i \u0111\u1eb7t \u0111\u1ea7u ra \u00e2m thanh \u0111\u01b0\u1ee3c \u0111\u1eb7t l\u00e0 \u0111\u01a1n \u00e2m thay v\u00ec \u00e2m thanh n\u1ed5i, th\u00ec \u00e2m thanh c\u00f3 th\u1ec3 ch\u1ec9 ph\u00e1t ra t\u1eeb loa b\u00ean tr\u00e1i.<\/span><\/p>\n

    \u00c2m l\u01b0\u1ee3ng th\u1ea5p:<\/b> N\u1ebfu \u00e2m l\u01b0\u1ee3ng tr\u00ean b\u1ea3n ghi c\u1ee7a b\u1ea1n qu\u00e1 th\u1ea5p, th\u00ec c\u00f3 th\u1ec3 l\u00e0 do micr\u00f4 c\u1ee7a b\u1ea1n b\u1ecb \u0111\u1eb7t \u1edf qu\u00e1 xa. H\u00e3y \u0111\u1ea3m b\u1ea3o b\u1ea1n ph\u00e1t \u00e2m to, r\u00f5 r\u00e0ng v\u00e0 n\u00f3i tr\u1ef1c ti\u1ebfp v\u00e0o micr\u00f4.<\/span><\/p>\n

    Ngh\u1eb9t ti\u1ebfng:<\/b> B\u1ea1n c\u00f3 th\u1ec3 c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i v\u1ea5n \u0111\u1ec1 ng\u01b0\u1ee3c l\u1ea1i n\u1ebfu b\u1ea1n n\u00f3i qu\u00e1 g\u1ea7n micr\u00f4. Kho\u1ea3ng c\u00e1ch m\u00e0 ch\u00fang t\u00f4i \u0111\u1ec1 xu\u1ea5t l\u00e0 b\u1ea1n n\u00ean n\u00f3i c\u00e1ch micro kho\u1ea3ng 6-12 inch (t\u1ee9c l\u00e0 15-30 cm) .<\/span><\/p>\n

    \u00c2m n\u1ed5:<\/b> M\u1ed9t v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p kh\u00e1c l\u00e0 \u201c\u00e2m n\u1ed5\u201d trong \u00e2m thanh. \u00c2m n\u1ed5 n\u00e0y th\u01b0\u1eddng \u0111\u1eb7c bi\u1ec7t x\u1ea3y ra \u1edf nh\u1eefng t\u1eeb c\u00f3 \u00e2m \u201cp\u201d v\u00e0 \u201ct\u201d. N\u1ebfu b\u1ea1n g\u1eb7p ph\u1ea3i v\u1ea5n \u0111\u1ec1 n\u00e0y, \u00e2m thanh c\u1ee7a b\u1ea1n s\u1ebd c\u00f3 nh\u1eefng \u0111o\u1ea1n t\u0103ng \u00e2m l\u01b0\u1ee3ng \u0111\u1ed9t ng\u1ed9t v\u00e0 b\u1ea5t th\u01b0\u1eddng. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 khi\u1ebfn h\u1ecdc vi\u00ean m\u1ea5t t\u1eadp trung. H\u00e3y th\u1eed di chuy\u1ec3n ra xa micr\u00f4 h\u01a1n m\u1ed9t ch\u00fat ho\u1eb7c u\u1ed1ng n\u01b0\u1edbc tr\u01b0\u1edbc khi n\u00f3i (\u0111i\u1ec1u n\u00e0y th\u1ef1c s\u1ef1 c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n n\u00f3i r\u00f5 r\u00e0ng h\u01a1n). B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 mua m\u00e0ng l\u1ecdc \u00e2m n\u1ed5 \u0111\u1ec3 l\u1eafp v\u00e0o micr\u00f4, m\u00e0ng l\u1ecdc n\u00e0y s\u1ebd gi\u00fap b\u1ea1n l\u1ecdc b\u1ecf \u00e2m n\u1ed5.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

    \u00c2m thanh l\u00e0 m\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 kh\u00f3 kh\u1eafc ph\u1ee5c nh\u1ea5t c\u1ee7a kh\u00f3a h\u1ecdc sau khi b\u1ea1n ghi h\u00ecnh, v\u00ec v\u1eady h\u00e3y \u0111\u1ea3m b\u1ea3o b\u1ea1n d\u00e0nh th\u1eddi gian \u0111\u1ec3 ch\u1ec9nh s\u1eeda \u00e2m thanh ngay t\u1eeb \u0111\u1ea7u. Vi\u1ec7c h\u1ecdc vi\u00ean nghe \u0111\u01b0\u1ee3c l\u1eddi b\u1ea1n n\u00f3i r\u00f5 r\u00e0ng r\u1ea5t quan tr\u1ecdng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 danh s\u00e1ch […]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":32655,"menu_order":30,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-31378","page","type-page","status-publish","hentry"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/teach.udemy.com\/vi\/wp-json\/wp\/v2\/pages\/31378","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/teach.udemy.com\/vi\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/teach.udemy.com\/vi\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/teach.udemy.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/teach.udemy.com\/vi\/wp-json\/wp\/v2\/comments?post=31378"}],"version-history":[{"count":0,"href":"https:\/\/teach.udemy.com\/vi\/wp-json\/wp\/v2\/pages\/31378\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/teach.udemy.com\/vi\/wp-json\/wp\/v2\/pages\/32655"}],"wp:attachment":[{"href":"https:\/\/teach.udemy.com\/vi\/wp-json\/wp\/v2\/media?parent=31378"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}