De'

JuH > De' > 'a ghIH

ngoq vegh cham chu' h.264

shenzhen quv cham co., Ltd | Updated: May 06, 2016

h.264 video compression algorithm h.263 'ej mpeg-4 nagh yIlo', waw' DuD ngoq method, baS intra-Dalbogh ngoq (intra) yoD je (Hotlhlu'bogh ghap maH) cha' encode modes ngoq interframe. compared motlh previous in order to ngoq efficiency, Dub compression ratio ghItlhvam je laHlIj, h.264 tlha' chu' cham encoding:

(1) consists h.264 video ngoq pat video ngoq patlh according to Qap (vcl, patlh ngoq Video) network abstraction patlh (nal, Network Abstraction patlh) cha' patlh je. DanoHmeH vcl highly compress video sequences, Hol De' video format 'e' header De' DuHIvDI' Sar media transmission storage 'ej nal naQ.

(2) 'Itlh intra chenpu'DI' 'u' woj law', latlh spatial detail macro-bot 4 x 4 forecasts Sev jIHMej 'ej relatively HapwIj Sep 16 x 16 ghantoH yInbe'taHbogh 9 bIquv methods chenpu'DI' 'u' woj law', 4 bIquv chenpu'DI' 'u' woj law' methods ghaj 'oH.

(3) interframe chenpu'DI' 'u' woj law' latlh Segh partitioning lo', defined motlh 7 pIm sizes 'ej tu'lu'bej bot segmentation (16 x 16, 16 x 8 'ej 8 x 16) macro-bot segment (8 x 8, 8 x 4, 'ej 4 x 8 'ej 4 x 4) je. pong smaller bot adaptive ngoq mode chenpu'DI' 'u' woj law' laH reduced residual amounts De' je lo', thereby qaStaHvIS bit rate reducing.

(4) lo'taHvIS jen precision waw' 1 ghap 4-pixel accuracy ghotvetlhDaq estimation.

(5) multi-reference Dalbogh chenpu'DI' 'u' woj law'. interframe, ngoq, mu'meywIj lupoQ 5 pIm frames reference.


chavmoH

inquiry

maHvaD contact

SoQ:pa' 26 k-n, modern Qorwagh vIleghDI', hua qiang north Rd., yoS futian, shenzhen, guangdong, jungwoq

ghogh HablI': +86-755-83271813

nav: +86-755-83048160

email: info@mine.com.cn

CopyRight© shenzhen quv cham co., Ltd