{"id":277,"date":"2020-10-04T17:38:45","date_gmt":"2020-10-04T17:38:45","guid":{"rendered":"https:\/\/heatmanage.com\/?post_type=avada_portfolio&p=277"},"modified":"2026-05-13T09:48:16","modified_gmt":"2026-05-13T07:48:16","slug":"so-sanh-giua-am-thanh-infrasound-va-am-thanh-co-the-nghe-thay-nhu-mot-phuong-phap-lam-sach-bang-am-thanh","status":"publish","type":"avada_portfolio","link":"https:\/\/heatmanage.com\/vi\/portfolio-items\/comparison-of-infrasound-and-audible-sound-as-an-acoustic-cleaning-method\/","title":{"rendered":"So s\u00e1nh gi\u1eefa \u00e2m thanh infrasound v\u00e0 \u00e2m thanh c\u00f3 th\u1ec3 nghe th\u1ea5y nh\u01b0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p l\u00e0m s\u1ea1ch b\u1eb1ng \u00e2m thanh"},"content":{"rendered":"

\"Heat<\/span><\/div><\/div><\/div><\/div><\/div>

So s\u00e1nh gi\u1eefa \u00e2m thanh infrasound v\u00e0 \u00e2m thanh c\u00f3 th\u1ec3 nghe th\u1ea5y nh\u01b0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p l\u00e0m s\u1ea1ch b\u1eb1ng \u00e2m thanh<\/h1><\/div>

S\u00e1ch tr\u1eafng<\/h3><\/div><\/div><\/div><\/div><\/div>

So s\u00e1nh gi\u1eefa \u00e2m thanh infrasound v\u00e0 \u00e2m thanh c\u00f3 th\u1ec3 nghe th\u1ea5y nh\u01b0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p l\u00e0m s\u1ea1ch b\u1eb1ng \u00e2m thanh<\/h1><\/div>
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S\u00e1ch tr\u1eafng<\/h3><\/div><\/div><\/div><\/div><\/div>

V\u1ec1 n\u1ed9i dung<\/p>\n<\/div><\/div><\/div>

<\/div><\/div><\/div><\/div><\/div><\/div><\/div>

So s\u00e1nh gi\u1eefa \u00e2m thanh infrasound v\u00e0 \u00e2m thanh c\u00f3 th\u1ec3 nghe th\u1ea5y nh\u01b0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p l\u00e0m s\u1ea1ch b\u1eb1ng \u00e2m thanh, v\u1edbi tr\u1ecdng t\u00e2m l\u00e0 ph\u01b0\u01a1ng ph\u00e1p l\u00e0m s\u1ea1ch b\u1eb1ng \u00e2m thanh infrasound c\u1ee7a Infrafone (\u00e2m thanh infrasound) v\u00e0 \u00e2m thanh t\u1ea7n s\u1ed1 th\u1ea5p, kho\u1ea3ng 20 Hz, v\u00e0 m\u1ee9c \u0111\u1ed9 ph\u00f9 h\u1ee3p c\u1ee7a n\u00f3 \u0111\u1ec3 l\u00e0m s\u1ea1ch c\u00e1c b\u1ec1 m\u1eb7t truy\u1ec1n nhi\u1ec7t v\u00e0 c\u00e1c b\u1ec1 m\u1eb7t kh\u00e1c \u1edf quy m\u00f4 l\u1edbn, nh\u01b0 c\u00e1c n\u1ed3i h\u01a1i. Khi so s\u00e1nh infrasound v\u1edbi \u00e2m thanh c\u00f3 th\u1ec3 nghe th\u1ea5y nh\u01b0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p l\u00e0m s\u1ea1ch b\u1eb1ng \u00e2m thanh, c\u00f3 m\u1ed9t s\u1ed1 \u0111i\u1ec3m kh\u00e1c bi\u1ec7t l\u1edbn.<\/p>\n

Ti\u1ebfng infrasound c\u00f3 th\u1ec3 t\u1ea1o ra m\u1ee9c \u0111\u1ed9 \u00e2m thanh cao h\u01a1n so v\u1edbi \u00e2m thanh c\u00f3 th\u1ec3 nghe th\u1ea5y m\u00e0 kh\u00f4ng g\u00e2y ra s\u1ef1 kh\u00f3 ch\u1ecbu.<\/p>\n

\u0110\u1ed9 d\u00e0i b\u01b0\u1edbc s\u00f3ng d\u00e0i h\u01a1n cho ph\u00e9p s\u1ef1 ph\u1ea3n x\u1ea1 \u00e2m thanh nhi\u1ec1u h\u01a1n, \u0111\u1ed9 h\u1ea5p th\u1ee5 \u00e2m thanh \u00edt h\u01a1n v\u00e0 l\u00e0m cho \u00e2m thanh ph\u00e1t ra theo h\u01b0\u1edbng to\u00e0n c\u1ea7u.<\/p>\n

Do b\u01b0\u1edbc s\u00f3ng c\u1ee7a \u00e2m thanh si\u00eau \u00e2m d\u00e0i, ch\u1ec9 c\u1ea7n m\u1ed9t m\u00e1y ph\u00e1t \u00e2m thanh si\u00eau \u00e2m l\u00e0 \u0111\u1ee7 \u0111\u1ec3 l\u00e0m s\u1ea1ch to\u00e0n b\u1ed9 m\u00e1y thu nhi\u1ec7t, SCR, v.v.<\/p>\n<\/div>

T\u1ea3i xu\u1ed1ng b\u00e1o c\u00e1o tr\u1eafng<\/h2><\/div>