{"id":383,"date":"2020-05-22T06:22:21","date_gmt":"2020-05-22T06:22:21","guid":{"rendered":"https:\/\/health365.vn\/giai-phap-hoi-nghi-truyen-hinh\/"},"modified":"2020-05-22T06:22:21","modified_gmt":"2020-05-22T06:22:21","slug":"giai-phap-hoi-nghi-truyen-hinh","status":"publish","type":"post","link":"https:\/\/health365.vn\/en\/giai-phap-hoi-nghi-truyen-hinh\/","title":{"rendered":"Gi\u1ea3i ph\u00e1p h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh"},"content":{"rendered":"

H\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh (Video Conferencing) l\u00e0 h\u1ec7 th\u1ed1ng (bao g\u1ed3m c\u1ea3 ph\u1ea7n c\u1ee9ng v\u00e0 ph\u1ea7n m\u1ec1m) truy\u1ec1n t\u1ea3i h\u00ecnh \u1ea3nh v\u00e0 \u00e2m thanh gi\u1eefa hai ho\u1eb7c nhi\u1ec1u \u0111\u1ecba \u0111i\u1ec3m t\u1eeb xa k\u1ebft n\u1ed1i qua \u0111\u01b0\u1eddng truy\u1ec1n m\u1ea1ng Internet, WAN hay LAN, \u0111\u1ec3 \u0111\u01b0a t\u00edn hi\u1ec7u \u00e2m thanh v\u00e0 h\u00ecnh \u1ea3nh c\u1ee7a c\u00e1c ph\u00f2ng h\u1ecdp \u0111\u1ebfn v\u1edbi nhau nh\u01b0 \u0111ang ng\u1ed3i h\u1ecdp c\u00f9ng m\u1ed9t ph\u00f2ng h\u1ecdp; Thi\u1ebft b\u1ecb n\u00e0y cho ph\u00e9p hai ho\u1eb7c nhi\u1ec1u \u0111\u1ecba \u0111i\u1ec3m c\u00f9ng \u0111\u1ed3ng th\u1eddi li\u00ean l\u1ea1c hai chi\u1ec1u th\u00f4ng qua video v\u00e0 truy\u1ec1n \u00e2m thanh.<\/p>\n\n\n\n

H\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh cho ph\u00e9p t\u1ed5 ch\u1ee9c c\u00e1c cu\u1ed9c h\u1ecdp tr\u1ef1c tuy\u1ebfn gi\u1eefa c\u00e1c v\u0103n ph\u00f2ng nh\u00e1nh \u1edf c\u00e1c c\u00f9ng \u0111\u1ecba l\u00fd kh\u00e1c nhau, gi\u00fap ti\u1ebft ki\u1ec7m th\u1eddi gian di chuy\u1ec3n \u0111\u1ed1i v\u1edbi c\u00e1c th\u00e0nh vi\u00ean \u1edf xa.<\/p>\n\n\n\n

Ph\u00e2n lo\u1ea1i gi\u1ea3i ph\u00e1p h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh<\/strong><\/p>\n\n\n\n

Tr\u00ean th\u1ecb tr\u01b0\u1eddng hi\u1ec7n t\u1ea1i c\u00f3 kh\u00e1 nhi\u1ec1u nh\u00e0 cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh kh\u00e1c nhau tuy nhi\u00ean trong \u0111\u00f3 c\u00f3 th\u1ec3 chia th\u00e0nh hai d\u1ea1ng gi\u1ea3i ph\u00e1p ch\u00ednh:<\/p>\n\n\n\n

– Gi\u1ea3i ph\u00e1p h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh ph\u1ea7n c\u1ee9ng (gi\u1ea3i ph\u00e1p c\u1ee9ng)<\/strong>s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb t\u00edch h\u1ee3p s\u1eb5n chuy\u00ean d\u1ee5ng cho m\u1ee5c \u0111\u00edch h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh c\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn 1 s\u1ed1 h\u00e3ng thi\u1ebft b\u1ecb n\u1ed5i ti\u1ebfng nh\u01b0 Polycom, Lifesize, Cisco, Sony, Tandberg, Radvision\u2026<\/p>\n\n\n\n

– Gi\u1ea3i ph\u00e1p h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh ph\u1ea7n m\u1ec1m<\/strong>(gi\u1ea3i ph\u00e1p m\u1ec1m)l\u00e0 h\u1ec7 th\u1ed1ng ph\u1ea7n m\u1ec1m cho ph\u00e9p c\u00e0i \u0111\u1eb7t tr\u00ean c\u00e1c n\u1ec1n t\u1ea3ng ph\u1ea7n c\u1ee9ng t\u00f9y ch\u1ecdn \u0111\u1ec3 thi\u1ebft l\u1eadp h\u1ec7 th\u1ed1ng HNTH. Gi\u1ea3i ph\u00e1p c\u00f3 th\u1ec3 linh \u0111\u1ed9ng tri\u1ec3n khai \u0111\u1ebfn c\u00e1c thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i nh\u01b0 PC\/ Laptop\/ Tablet\/Smartphone\u2026<\/p>\n\n\n\n

Hai h\u1ec7 th\u1ed1ng n\u00e0y c\u00f3 \u0111i\u1ec3m m\u1ea1nh v\u00e0 \u0111i\u1ec3m y\u1ebfu kh\u00e1c nhau. Tu\u1ef3 v\u00e0o nhu c\u1ea7u v\u00e0 kh\u1ea3 n\u0103ng t\u00e0i ch\u00ednh m\u00e0 l\u1ef1a ch\u1ecdn gi\u1ea3i ph\u00e1p h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh ph\u00f9 h\u1ee3p.<\/p>\n\n\n\n

C\u00e1c m\u1ee9c \u0111\u1ed9 quy m\u00f4 v\u00e0 h\u00ecnh th\u1ee9c c\u1ee7a h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh<\/strong><\/p>\n\n\n\n

Hi\u1ec7n h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u v\u00e0 chia ra l\u00e0m nhi\u1ec1u h\u00ecnh th\u1ee9c v\u00e0 m\u1ee9c \u0111\u1ed9 quy m\u00f4 kh\u00e1c nhau, theo \u0111\u00f3 c\u00e1c h\u00ecnh th\u1ee9c v\u00e0 m\u1ee9c \u0111\u1ed9 quy m\u00f4 n\u00e0y s\u1ebd \u0111\u00e1p \u1ee9ng nh\u1eefng nhu c\u1ea7u s\u1eed d\u1ee5ng kh\u00e1c nhau c\u1ee7a m\u1ecdi ng\u01b0\u1eddi, trong m\u1ecdi l\u0129nh v\u1ef1c<\/p>\n\n\n\n

– V\u1ec1 m\u1eb7t quy m\u00f4 h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i g\u1ed3m:<\/strong><\/p>\n\n\n\n

H\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh c\u00e1 nh\u00e2n (personal)<\/em><\/p>\n\n\n\n

\"Gi\u1ea3i<\/figure>\n\n\n\n

\u0110\u00e2y l\u00e0 d\u1ea1ng h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh c\u00f3 quy m\u00f4 nh\u1ecf v\u00e0 th\u01b0\u1eddng s\u1eed d\u1ee5ng cho m\u1ed9t ng\u01b0\u1eddi.<\/p>\n\n\n\n

Thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng c\u00f3 th\u1ec3 t\u00edch h\u1ee3p t\u1eeb ngay PC c\u1ee7a c\u00e1 nh\u00e2n, ho\u1eb7c c\u00f3 th\u1ec3 l\u00e0 Desktop hay Laptop. C\u00f9ng m\u1ed9t software v\u00e0 c\u00e1c t\u00e0i nguy\u00ean kh\u00e1c nh\u01b0: Webcam, Handphone.<\/p>\n\n\n\n

H\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh cho c\u00e1c v\u0103n ph\u00f2ng (Office Class)<\/em><\/p>\n\n\n\n

\"Gi\u1ea3i<\/figure>\n\n\n\n

\u0110\u00e2y l\u00e0 d\u1ea1ng h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh c\u00f3 quy m\u00f4 t\u1eeb nh\u1ecf \u0111\u1ebfn trung b\u00ecnh, th\u00edch h\u1ee3p v\u1edbi c\u00e1c cu\u1ed9c h\u1ecdp nh\u00f3m. S\u1eed d\u1ee5ng cho c\u00e1c c\u01a1 quan doanh nghi\u1ec7p c\u00f3 v\u0103n ph\u00f2ng \u0111\u1ea1i di\u1ec7n tr\u1ea3i tr\u00ean di\u1ec7n r\u1ed9ng.<\/p>\n\n\n\n

Thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng l\u00e0 c\u00e1c d\u00f2ng s\u1ea3n ph\u1ea9m chuy\u00ean d\u1ee5ng d\u00e0nh cho h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh.<\/p>\n\n\n\n

H\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh quy m\u00f4 r\u1ed9ng (Classroom)<\/em><\/p>\n\n\n\n

\"Gi\u1ea3i<\/figure>\n\n\n\n

\u0110\u00e2y l\u00e0 d\u1ea1ng h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh chuy\u00ean d\u1ee5ng, th\u01b0\u1eddng ph\u1ee5c v\u1ee5 cho c\u00e1c h\u1ed9i ngh\u1ecb c\u00f3 quy m\u00f4 l\u1edbn.<\/p>\n\n\n\n

Nh\u1eefng d\u00f2ng s\u1ea3n ph\u1ea9m n\u00e0y v\u00f4 c\u00f9ng \u0111a d\u1ea1ng v\u00e0 c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng cho m\u1ecdi nhu c\u1ea7u c\u1ee7a h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh trong c\u00e1c l\u0129nh v\u1ef1c. V\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ed3ng b\u1ed9 v\u1edbi nh\u1eefng thi\u1ebft b\u1ecb ph\u1ee5 tr\u1ee3 cho h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh kh\u00e1c.<\/p>\n\n\n\n

– V\u1ec1 m\u1eb7t ph\u01b0\u01a1ng th\u1ee9c t\u01b0\u01a1ng t\u00e1c h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i g\u1ed3m:<\/strong><\/p>\n\n\n\n

H\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh \u0111i\u1ec3m \u2013 \u0111i\u1ec3m (point \u2013 to \u2013 point)<\/em><\/p>\n\n\n\n

\u0110\u00e2y l\u00e0 d\u1ea1ng h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh r\u1ea5t ph\u1ed5 bi\u1ebfn, v\u1edbi 2 \u0111i\u1ec3m tr\u1ef1c ti\u1ebfp tham gia.<\/p>\n\n\n\n

Qu\u00e1 tr\u00ecnh k\u1ebft n\u1ed1i c\u1ee7a d\u1ea1ng h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh n\u00e0y s\u1ebd do m\u1ed9t \u0111\u1ea7u ch\u1ee7 \u0111\u1ed9ng quay s\u1ed1. Nh\u1eefng th\u00f4ng s\u1ed1 k\u1ebft n\u1ed1i s\u1ebd \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh tr\u01b0\u1edbc t\u1ea1i 2 \u0111\u1ea7u ho\u1eb7c m\u1ed9t \u0111\u1ea7u \u0111\u1ec3 \u0111\u1eb7t ch\u1ebf \u0111\u1ed9 Auto Answer.<\/p>\n\n\n\n

H\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh \u0111i\u1ec3m \u2013 \u0111a \u0111i\u1ec3m (point \u2013 to \u2013 Multi point)<\/em><\/p>\n\n\n\n

D\u1ea1ng h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh n\u00e0y c\u00f3 nhi\u1ec1u \u0111i\u1ec3m tham gia c\u00f9ng m\u1ed9t l\u00fac. Trong \u0111\u00f3, s\u1ebd c\u00f3 m\u1ed9t \u0111i\u1ec3m gi\u1eef vai tr\u00f2 l\u00e0 trung t\u00e2m v\u00e0 gi\u1eef quy\u1ec1n ch\u1ee7 t\u1ecda.<\/p>\n\n\n\n

Nh\u1eefng \u0111i\u1ec3m kh\u00e1c khi tham gia v\u00e0o m\u1ea1ng th\u00ec \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t d\u01b0\u1edbi s\u1ef1 quy\u1ec1n \u0111i\u1ec3m ch\u1ee7 t\u1ecda.<\/p>\n\n\n\n

H\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh \u0111a \u0111i\u1ec3m (Multi point)<\/em><\/p>\n\n\n\n

\u0110\u00e2y l\u00e0 d\u1ea1ng h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh c\u00f3 quy m\u00f4 t\u1ed5 ch\u1ee9c kh\u00e1 ph\u1ee9c t\u1ea1p v\u00e0 \u00edt nh\u1ea5t ph\u1ea3i c\u00f3 nhi\u1ec1u h\u01a1n 3 \u0111i\u1ec3m c\u00f9ng tham gia.<\/p>\n\n\n\n

Thi\u1ebft b\u1ecb s\u1ebd g\u1ed3m: MCU, Gatekeper, Gateway\u2026 s\u1ebd \u0111\u00f3ng vai tr\u00f2 l\u00e0 trung t\u00e2m x\u1eed l\u00fd cho h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh \u0111a \u0111i\u1ec3m.<\/p>\n\n\n\n

Nh\u1eefng y\u1ebfu t\u1ed1 c\u1ea7n thi\u1ebft cho m\u1ed9t h\u1ec7 th\u1ed1ng HNTH<\/strong><\/p>\n\n\n\n

\u0110\u1ec3 x\u00e2y d\u1ef1ng \u0111\u01b0\u1ee3c m\u1ed9t h\u1ec7 th\u1ed1ng h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh ho\u00e0n ch\u1ec9nh, ch\u1ea5t l\u01b0\u1ee3ng c\u1ea7n r\u1ea5t nhi\u1ec1u y\u1ebfu t\u1ed1 c\u1ea5u th\u00e0nh. Tuy nhi\u00ean, c\u01a1 b\u1ea3n sau ph\u1ea3i \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c nh\u1eefng y\u1ebfu t\u1ed1 sau:<\/p>\n\n\n\n

– \u0110\u01b0\u1eddng truy\u1ec1n<\/strong><\/p>\n\n\n\n

H\u1ec7 th\u1ed1ng h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1eddng truy\u1ec1n m\u1ea1ng IP thu\u00ea ri\u00eang ho\u1eb7c m\u1ea1ng Internet. Song y\u00eau c\u1ea7u b\u0103ng th\u00f4ng \u0111\u00e1p \u1ee9ng cho m\u1ed7i m\u1ee9c \u0111\u1ed9 ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh kh\u00e1c nhau l\u00e0 kh\u00e1c nhau.<\/p>\n\n\n\n

Khi h\u1ed9i th\u1ea3o v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng video SD<\/strong> (Standard Definition): B\u0103ng th\u00f4ng t\u1ed1i thi\u1ec3u c\u1ea7n t\u1ea1i m\u1ed7i \u0111i\u1ec3m nh\u00e1nh l\u00e0 128 Kb\/s<\/strong>, nh\u01b0ng \u0111\u1ed1i v\u1edbi c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u1ea1ng t\u1ea1i Vi\u1ec7t Nam \u0111\u00e3 ch\u1ee9ng minh trong th\u1ef1c t\u1ebf th\u00ec ph\u1ea3i c\u1ea7n \u00edt nh\u1ea5t \u0111\u01b0\u1eddng truy\u1ec1n t\u1ea1i c\u00e1c nh\u00e1nh l\u00e0 384 Kb\/s<\/strong> (Up Stream = Down Stream). V\u00e0 b\u0103ng th\u00f4ng th\u1ef1c khi h\u1ed9i th\u1ea3o truy\u1ec1n h\u00ecnh c\u1ea7n = b\u0103ng th\u00f4ng t\u1ed1i thi\u1ec3u c\u1ee7a h\u1ec7 th\u1ed1ng + 20%.<\/p>\n\n\n\n

Khi h\u1ed9i th\u1ea3o v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng video HD 720p<\/strong>: Th\u00ec b\u0103ng th\u00f4ng t\u1ed1i thi\u1ec3u t\u1ea1i m\u1ed7i \u0111i\u1ec3m nh\u00e1nh c\u1ea7n 512 Kbps<\/strong>.<\/p>\n\n\n\n

\u0110\u1ec3 h\u1ed9i th\u1ea3o v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng video HD 1080p<\/strong>: Th\u00ec b\u0103ng th\u00f4ng t\u1ed1i thi\u1ec3u t\u1ea1i m\u1ed7i \u0111i\u1ec3m nh\u00e1nh c\u1ea7n 1024 Kbps<\/strong>.<\/p>\n\n\n\n

B\u0103ng th\u00f4ng \u0111\u01b0\u1eddng truy\u1ec1n t\u1ea1i site trung t\u00e2m ph\u1ea3i b\u1eb1ng t\u1ed5ng b\u0103ng th\u00f4ng t\u1ea1i c\u00e1c site nh\u00e1nh tham gia<\/p>\n\n\n\n

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  • Thi\u1ebft b\u1ecb<\/strong><\/li>\n<\/ul>\n\n\n\n

    Thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i (VCS)<\/em><\/p>\n\n\n\n

    L\u00e0 thi\u1ebft b\u1ecb c\u00f3 ch\u1ee9c n\u0103ng ch\u00ednh: thu nh\u1eadn h\u00ecnh \u1ea3nh, \u00e2m thanh t\u1ea1i m\u1ed9t \u0111i\u1ec3m, r\u1ed3i m\u00e3 ho\u00e1 ch\u00fang theo m\u1ed9t ph\u01b0\u01a1ng th\u1ee9c nh\u1ea5t \u0111\u1ecbnh \u0111\u1ec3 g\u1eedi \u0111\u1ebfn \u0111\u1ea7u kh\u00e1c th\u00f4ng qua m\u1ea1ng truy\u1ec1n d\u1eabn. C\u00e1c thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i c\u00f2n c\u00f3 c\u1ed5ng giao ti\u1ebfp v\u1edbi m\u00e1y t\u00ednh (PC, Laptop) cho ph\u00e9p k\u1ebft n\u1ed1i v\u00e0 tr\u00ecnh chi\u1ebfu c\u00e1c t\u00e0i li\u1ec7u t\u1eeb m\u00e1y t\u00ednh c\u1ee7a \u0111i\u1ec3m \u0111\u00f3 t\u1edbi c\u00e1c thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i \u0111\u1ea7u xa trong c\u00f9ng m\u1ed9t phi\u00ean l\u00e0m vi\u1ec7c. Thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i s\u1eed d\u1ee5ng m\u00e0n h\u00ecnh TV, m\u00e0n h\u00ecnh m\u00e1y t\u00ednh ho\u1eb7c m\u00e1y chi\u1ebfu l\u00e0m thi\u1ebft b\u1ecb hi\u1ec3n th\u1ecb v\u00e0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng b\u1ea5t k\u1ef3 h\u1ec7 th\u1ed1ng \u00e2m thanh n\u00e0o c\u00f3 s\u1eb5n.<\/p>\n\n\n\n

    V\u1edbi gi\u1ea3i ph\u00e1p m\u1ec1m th\u00ec thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i c\u00f3 th\u1ec3 l\u00e0 m\u00e1y t\u00ednh c\u00e1 nh\u00e2n c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m \u0111\u1ea7u cu\u1ed1i HNTH c\u00f9ng c\u00e1c thi\u1ebft b\u1ecb ngo\u1ea1i vi nh\u01b0 camera, microphone, speaker, TV\u2026 ho\u1eb7c trong gi\u1ea3i ph\u00e1p m\u1ec1m th\u00ec c\u00e1c thi\u1ebft b\u1ecb c\u00e1 nh\u00e2n nh\u01b0 laptop\/tablet\/smartphone \u0111\u1ec1u c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp th\u00e0nh thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i HNTH.<\/p>\n\n\n\n

    Thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n \u0111a \u0111i\u1ec3m(MCU)<\/em><\/p>\n\n\n\n

    L\u00e0 thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3, \u0111i\u1ec1u khi\u1ec3n h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh \u0111a \u0111i\u1ec3m (Multipoint Control Unit \u2013 MCU), c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cconferencing bridge\u201d hay \u201cconferencing server\u201d. Thi\u1ebft b\u1ecb n\u00e0y s\u1ebd cho ph\u00e9p nhi\u1ec1u h\u01a1n hai thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i (VCS) li\u00ean l\u1ea1c v\u1edbi nhau, \u0111\u1ed3ng th\u1eddi gi\u00fap t\u1ea1o th\u00e0nh h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh \u0111a \u0111i\u1ec3m.<\/p>\n\n\n\n

    Ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a (MCU) l\u00e0 qu\u1ea3n l\u00fd c\u00e1c t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n cu\u1ed9c g\u1ecdi, \u0111\u00e0m ph\u00e1n c\u00e1c tham s\u1ed1 trao \u0111\u1ed5i th\u00f4ng tin, x\u00e1c \u0111\u1ecbnh kh\u1ea3 n\u0103ng c\u1ee7a c\u00e1c \u0111i\u1ec3m \u0111\u1ea7u cu\u1ed1i \u0111\u1ed3ng th\u1eddi th\u1ef1c hi\u1ec7n vi\u1ec7c tr\u1ed9n, chuy\u1ec3n m\u1ea1ch c\u0169ng nh\u01b0 x\u1eed l\u00fd nh\u1eefng lu\u1ed3ng d\u1eef li\u1ec7u audio, d\u1eef li\u1ec7u video v\u00e0 data gi\u1eefa c\u00e1c \u0111i\u1ec3m h\u1ed9i ngh\u1ecb.<\/p>\n\n\n\n

    MCU \u0111\u01b0\u1ee3c chia ra l\u00e0m hai lo\u1ea1i (t\u01b0\u01a1ng \u1ee9ng v\u1edbi ph\u00e2n lo\u1ea1i s\u1ea3n ph\u1ea9m gi\u1ea3i ph\u00e1p HNTH) g\u1ed3m:<\/p>\n\n\n\n

    MCU c\u1ee9ng:<\/strong> \u0110\u00e2y l\u00e0 gi\u1ea3i ph\u00e1p chuy\u00ean nghi\u1ec7p g\u1ed3m ph\u1ea7n c\u1ee9ng (b\u1ed9 x\u1eed l\u00fd trung t\u00e2m, giao di\u1ec7n m\u1ea1ng, b\u1ed9 qu\u1ea3n tr\u1ecb\u2026) v\u00e0 ph\u1ea7n m\u1ec1m \u0111i k\u00e8m t\u00edch h\u1ee3p nhi\u1ec1u t\u00ednh n\u0103ng h\u1ed5 tr\u1ee3 phong ph\u00fa.<\/p>\n\n\n\n

    MCU m\u1ec1m:<\/strong> L\u00e0 gi\u1ea3i ph\u00e1p ph\u1ea7n m\u1ec1m d\u00f9ng \u0111\u1ec3 c\u00e0i \u0111\u1eb7t tr\u00ean m\u00e1y ch\u1ee7, s\u1eed d\u1ee5ng giao di\u1ec7n m\u1ea1ng \u0111\u1ec3 qu\u1ea3n l\u00fd v\u00e0 giao ti\u1ebfp. T\u00edch h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng tr\u00ean c\u00e1c thi\u1ebft b\u1ecb di \u0111\u1ed9ng nh\u01b0: laptop, tablet, Mobile\u2026. s\u1eed d\u1ee5ng \u0111\u01b0\u1eddng truy\u1ec1n internet, 3G, 4G \u0111\u1ec3 t\u1ea1o n\u00ean nh\u1eefng \u01b0u \u0111i\u1ec3m c\u1ee7a gi\u1ea3i ph\u00e1p HNTH m\u1ec1m nh\u01b0 ch\u00fang ta \u0111\u00e3 bi\u1ebft.<\/p>\n\n\n\n

    Thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3 k\u1ebft n\u1ed1i \u0111a m\u1ea1ng Gateway<\/em><\/p>\n\n\n\n

    Gateway l\u00e0 thi\u1ebft b\u1ecb c\u00f3 ch\u1ee9c n\u0103ng ch\u00ednh gi\u00fap chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u, chuy\u1ec3n \u0111\u1ed3i giao th\u1ee9c gi\u1eefa c\u00e1c \u0111\u1ea7u cu\u1ed1i VCS trong ph\u1ea1m v\u1ecb m\u1ed9t h\u1ed9i ngh\u1ecb \u0111a giao th\u1ee9c m\u1ea1ng. Thi\u1ebft b\u1ecb Gateway c\u00f3 th\u1ec3 l\u00e0 thi\u1ebft b\u1ecb \u0111\u1ed9c l\u1eadp ho\u1eb7c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u1edbi thi\u1ebft b\u1ecb MCU.<\/p>\n\n\n\n

    Gateway c\u00f3 ch\u1ee9c n\u0103ng ch\u00ednh l\u00e0 vai tr\u00f2 c\u1ea7u n\u1ed1i trong qu\u00e1 tr\u00ecnh k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c m\u1ea1ng v\u1eadt l\u00fd kh\u00e1c nhau nh\u1eb1m ph\u1ee5c v\u1ee5 cho h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh.<\/p>\n\n\n\n

    Gateway H.323 s\u1ebd cho ph\u00e9p c\u00e1c thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i video trao \u0111\u1ed5i th\u00f4ng tin v\u1edbi c\u00e1c thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i video H.32x kh\u00e1c. Ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i video H.320 v\u00e0 H.321.<\/p>\n\n\n\n

    Gateway video c\u00f2n th\u1ef1c hi\u1ec7n vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i gi\u1eefa c\u00e1c giao th\u1ee9c kh\u00e1c nhau, chuy\u1ec3n \u0111\u1ed5i c\u00e1c \u0111\u1ecbnh d\u1ea1ng m\u00e3 ho\u00e1 \u00e2m thanh c\u00f9ng c\u00e1c \u0111\u1ecbnh d\u1ea1ng m\u00e3 ho\u00e1 video m\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi c\u00e1c ti\u00eau chu\u1ea9n H.32x kh\u00e1c nhau.<\/p>\n\n\n\n

    Thi\u1ebft b\u1ecb cho ph\u00e9p ghi, l\u01b0u tr\u1eef v\u00e0 h\u1ed7 tr\u1ee3 streaming.<\/em><\/p>\n\n\n\n

    L\u00e0 thi\u1ebft b\u1ecb cho ph\u00e9p ghi l\u1ea1i to\u00e0n b\u1ed9 h\u00ecnh \u1ea3nh c\u1ee7a c\u00e1c phi\u00ean l\u00e0m vi\u1ec7c v\u00e0 \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef t\u1eadp trung, c\u00f3 giao di\u1ec7n web cho ph\u00e9p ng\u01b0\u1eddi s\u1eed d\u1ee5ng \u1edf c\u00e1c \u0111\u1ea7u xa c\u00f3 th\u1ec3 l\u01b0u tr\u1eef, xem, vi\u1ebft nh\u1eadn x\u00e9t tr\u00ean video \u0111\u00f3. H\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef c\u00f2n cho ph\u00e9p t\u00edch h\u1ee3p v\u1edbi gi\u1ea3i ph\u00e1p NAS (NFS, CIFS\/SM) \u0111\u1ec3 n\u00e2ng cao dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef khi c\u1ea7n thi\u1ebft.<\/p>","protected":false},"excerpt":{"rendered":"

    H\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh (Video Conferencing) l\u00e0 h\u1ec7 th\u1ed1ng (bao g\u1ed3m c\u1ea3 ph\u1ea7n c\u1ee9ng v\u00e0 ph\u1ea7n m\u1ec1m) truy\u1ec1n t\u1ea3i h\u00ecnh \u1ea3nh v\u00e0 \u00e2m thanh gi\u1eefa hai ho\u1eb7c nhi\u1ec1u \u0111\u1ecba \u0111i\u1ec3m t\u1eeb xa k\u1ebft n\u1ed1i qua \u0111\u01b0\u1eddng truy\u1ec1n m\u1ea1ng Internet, WAN hay LAN, \u0111\u1ec3 \u0111\u01b0a t\u00edn hi\u1ec7u \u00e2m thanh v\u00e0 h\u00ecnh \u1ea3nh c\u1ee7a c\u00e1c ph\u00f2ng h\u1ecdp […]<\/p>\n","protected":false},"author":1,"featured_media":384,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41],"tags":[],"class_list":["post-383","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-huong-dan"],"yoast_head":"\nGi\u1ea3i ph\u00e1p h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh - Health365<\/title>\n<meta name=\"description\" content=\"H\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh (Video Conferencing) l\u00e0 h\u1ec7 th\u1ed1ng (bao g\u1ed3m c\u1ea3 ph\u1ea7n c\u1ee9ng v\u00e0 ph\u1ea7n m\u1ec1m) truy\u1ec1n t\u1ea3i h\u00ecnh \u1ea3nh v\u00e0 \u00e2m thanh gi\u1eefa hai ho\u1eb7c nhi\u1ec1u \u0111\u1ecba \u0111i\u1ec3m t\u1eeb\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/health365.vn\/en\/giai-phap-hoi-nghi-truyen-hinh\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Gi\u1ea3i ph\u00e1p h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh - 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