{"id":7535,"date":"2015-10-16T09:34:26","date_gmt":"2015-10-16T02:34:26","guid":{"rendered":"http:\/\/thietbihoinghi.com.vn\/?p=7535"},"modified":"2015-10-16T10:48:17","modified_gmt":"2015-10-16T03:48:17","slug":"hoi-nghi-truyen-hinh-voi-hinh-anh-chuan-nen-h-264-svc","status":"publish","type":"post","link":"https:\/\/thietbihoinghi.com.vn\/en\/tin-tuc-su-kien\/hoi-nghi-truyen-hinh-voi-hinh-anh-chuan-nen-h-264-svc.htm","title":{"rendered":"H\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh v\u1edbi h\u00ecnh \u1ea3nh chu\u1ea9n n\u00e9n H.264 SVC"},"content":{"rendered":"

Ng\u00e0y nay, h\u1ecdp h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh tr\u1ef1c tuy\u1ebfn<\/a> tr\u00ean m\u00f4i tr\u01b0\u1eddng Internet \u0111ang tr\u1edf n\u00ean r\u1ea5t ph\u1ed5 bi\u1ebfn v\u1edbi m\u1ecdi doanh nghi\u1ec7p. C\u00e1c v\u0103n ph\u00f2ng h\u1ed9i ngh\u1ecb ch\u1ec9 c\u1ea7n \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng internet, s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng \u0111\u01b0\u1ee3c cung c\u1ea5p cho h\u1ed9i ngh\u1ecb tr\u1ef1c tuy\u1ebfn th\u00ec \u0111\u00e3 c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng c\u00f4ng ngh\u1ec7 n\u00e0y. \u0110i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi c\u00e1c chu\u1ea9n n\u00e9n h\u00ecnh \u1ea3nh ph\u1ea3i th\u00edch nghi c\u01a1 ch\u1ebf m\u00e3 h\u00f3a v\u1edbi c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau. Chu\u1ea9n n\u00e9n h\u00ecnh \u1ea3nh H.264 SVC \u0111\u00e3 \u0111\u01b0\u1ee3c ra \u0111\u1eddi v\u00e0 \u0111em l\u1ea1i nhi\u1ec1u \u01b0u \u0111i\u1ec3m so v\u1edbi H.264 AVC ra \u0111\u1eddi tr\u01b0\u1edbc \u0111\u00f3.<\/span><\/p>\n

\u00a0<\/p>\n

Xem th\u00eam:\u00a0Ph\u1ea7n m\u1ec1m PTZ h\u1ed7 tr\u1ee3 thi\u1ebft b\u1ecb h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh Aver VC520<\/a><\/span><\/p>\n

\u00a0<\/h2>\n

Th\u1ebf n\u00e0o l\u00e0 m\u00e3 h\u00f3a m\u1edf r\u1ed9ng \u0111\u01b0\u1ee3c (SVC CODEC)<\/span><\/strong><\/span><\/h2>\n

 <\/p>\n

\"H\u1ecdp<\/a>H\u1ecdp h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh tr\u1ef1c tuy\u1ebfn<\/em><\/span><\/p>\n

\u00a0<\/p>\n

\u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 t\u1ef1 \u0111\u1ed9ng c\u1ea5u h\u00ecnh th\u00edch \u1ee9ng \u0111\u1ed1i v\u1edbi k\u00edch c\u1ee1 khung h\u00ecnh, t\u1ed1c \u0111\u1ed9 khung ho\u1eb7c t\u1ed1c \u0111\u1ed9 bit. H\u00ecnh \u1ea3nh s\u1ebd \u0111\u01b0\u1ee3c t\u1ef1 \u0111\u1ed9ng c\u1ea5u h\u00ecnh b\u1eb1ng vi\u1ec7c s\u1eed d\u1ee5ng m\u1ed9t k\u0129 thu\u1eadt layer thinning c\u00f3 ngh\u0129a\u00a0l\u00e0 l\u00e0m m\u1ecfng l\u1edbp h\u00ecnh. Nh\u1edd \u0111\u00f3 m\u00e0 cho ph\u00e9p c\u00e1c thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i c\u00f3 th\u1ec3 t\u00f9y ch\u1ec9nh c\u1ea5u h\u00ecnh d\u00f2ng d\u1eef li\u1ec7u h\u00ecnh \u1ea3nh ph\u00f9 h\u1ee3p v\u1edbi c\u1ea5u h\u00ecnh ph\u1ea7n c\u1ee9ng, ph\u1ea7n m\u1ec1m c\u1ee7a n\u00f3.<\/span><\/p>\n

\u00a0<\/p>\n

Sau khi h\u00ecnh \u1ea3nh \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a SVC s\u1ebd bao g\u1ed3m 1 l\u1edbp h\u00ecnh c\u01a1 b\u1ea3n v\u00e0 c\u00e1c l\u1edbp h\u00ecnh m\u1edf r\u1ed9ng b\u00ean d\u01b0\u1edbi – h\u1ed7 tr\u1ee3 c\u00e1c \u0111\u1ecbnh d\u1ea1ng kh\u00e1c nhau. D\u1ef1a v\u00e0o c\u00e1c th\u00f4ng s\u1ed1 h\u00ecnh \u1ea3nh m\u00e0 c\u00f3 3 ki\u1ec3u m\u00e3 h\u00f3a SVC c\u01a1 b\u1ea3n:<\/span><\/p>\n

\u00a0<\/p>\n

\u2022 M\u00e3 h\u00f3a th\u00edch \u1ee9ng kh\u00f4ng gian: m\u1ed9t d\u1eef li\u1ec7u \u1ea3nh g\u1ed3m nhi\u1ec1u l\u1edbp h\u00ecnh v\u1edbi c\u00e1c khung h\u00ecnh kh\u00e1c nhau.<\/span><\/p>\n

\u2022 M\u00e3 h\u00f3a th\u00edch \u1ee9ng th\u1eddi gian: m\u1ed9t d\u1eef li\u1ec7u \u1ea3nh g\u1ed3m nhi\u1ec1u l\u1edbp h\u00ecnh v\u1edbi c\u00e1c t\u1ed1c \u0111\u1ed9 khung h\u00ecnh kh\u00e1c nhau.<\/span><\/p>\n

\u2022 M\u00e3 h\u00f3a th\u00edch \u1ee9ng ch\u1ea5t l\u01b0\u1ee3ng: m\u1ed9t d\u1eef li\u1ec7u \u1ea3nh g\u1ed3m nhi\u1ec1u l\u1edbp h\u00ecnh v\u1edbi c\u00e1c t\u1ed1c \u0111\u1ed9 bit ( t\u01b0\u01a1ng \u1ee9ng v\u1edbi SNR) kh\u00e1c nhau.<\/span><\/p>\n

\u00a0<\/p>\n

Chu\u1ea9n n\u00e9n h\u00ecnh \u1ea3nh H.264 SVC<\/a><\/span><\/strong><\/span><\/h3>\n

\u00a0<\/p>\n

\"Chu\u1ea9n<\/a>
Chu\u1ea9n n\u00e9n h\u00ecnh \u1ea3nh H.264 SVC<\/span><\/em><\/p>\n

\u00a0<\/p>\n

H.264 SVC \u0111em l\u1ea1i nhi\u1ec1u \u01b0u \u0111i\u1ec3m v\u01b0\u1ee3t so v\u1edbi chu\u1ea9n n\u00e9n ti\u1ec1n th\u00e2n c\u1ee7a n\u00f3<\/span><\/strong>\u00a0<\/span><\/h3>\n

\u2022 Cho hi\u1ec7u su\u1ea5t m\u00e3 h\u00f3a vao h\u01a1n <\/span><\/p>\n

\u2022 H\u1ed7 tr\u1ee3 m\u00e3 h\u00f3a th\u00edch \u1ee9ng kh\u00f4ng gian, th\u1eddi gian v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng. <\/span><\/p>\n

\u2022 T\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c v\u1edbi c\u00e1c chu\u1ea9n n\u00e9n tr\u01b0\u1edbc.<\/span><\/p>\n

\u2022 H\u1ed7 tr\u1ee3 \u0111i\u1ec1u khi\u1ec3n th\u00edch \u1ee9ng \u0111\u1ed1i v\u1edbi 1 d\u00f2ng d\u1eef li\u1ec7u truy\u1ec1n t\u1ea3i duy nh\u1ea5t <\/span><\/p>\n

\u2022 Cung c\u1ea5p kh\u1ea3 n\u0103ng s\u1eeda l\u1ed7i khi d\u00f2ng d\u1eef li\u1ec7u truy\u1ec1n t\u1ea3i b\u1ecb m\u1ea5t g\u00f3i hay rung pha l\u1edbn( ch\u1ecbu m\u1ea5t g\u00f3i \u0111\u1ebfn 40%), trong khi c\u00f4ng ngh\u1ec7 m\u00e3 h\u00f3a AVC cao nh\u1ea5t c\u0169ng ch\u1ec9 l\u00e0 5%.<\/span><\/p>\n

\u2022 C\u00f3 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c k\u1ebft n\u1ed1i \u0111a \u0111i\u1ec3m, \u0111a ch\u1ee7ng lo\u1ea1i, \u0111a c\u1ea5u h\u00ecnh c\u1ee7a thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i trong c\u00e1c c\u00e1c \u1ee9ng d\u1ee5ng \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y.<\/span><\/p>\n

\u00a0<\/p>\n

Xem th\u00eam:\u00a0Thi\u1ebft b\u1ecb Camera HD PTZ v\u00e0 l\u1ee3i \u00edch cho h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh<\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

Ng\u00e0y nay, h\u1ecdp h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh tr\u1ef1c tuy\u1ebfn tr\u00ean m\u00f4i tr\u01b0\u1eddng Internet \u0111ang tr\u1edf n\u00ean r\u1ea5t ph\u1ed5 bi\u1ebfn v\u1edbi m\u1ecdi doanh nghi\u1ec7p. C\u00e1c v\u0103n ph\u00f2ng h\u1ed9i ngh\u1ecb ch\u1ec9 c\u1ea7n \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng internet, s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng \u0111\u01b0\u1ee3c cung c\u1ea5p cho h\u1ed9i ngh\u1ecb tr\u1ef1c tuy\u1ebfn th\u00ec \u0111\u00e3 c\u00f3 th\u1ec3 … <\/p>\n

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