About HD Video conferencing
(1) HD Video conferencing System
HD Video conferencing isn't as simple as SD Video conferencing,for it needs a whole HD
solution as a support which shows in front end signal acquisition, middle end encoding and
transmission, back end display device support.Only meets any of the above,can it be called
a real HD Video conferencing.Otherwise,it is SD Video conferencing.
(2)Display formats of HD Video
To distinguish if it is HD image or not,We must analyze it from two points.The first is resolution,
the second is wide rate.
(3) Introduction and Comparison on HD Video interfaces
We Multipix think that only any one of interfaces as below is equipped,it can be named HD Video
(4)HD Video Protocol
As for HD Video conferencing ,there is but one compression standard namely H.264.
H.264 is a new Video compression coding standard which made by JVT(Joint Video Team),consisted of members from ISO/IEC and ITU-T.
(5)HD Audio Protocol
When the HD Video conferencing comes,the video image upgrades to 1080i.So,we must have
the assurance of ability to handle MPEG4 AA with 44KHzstereo effect,or some other similar Audio Coding.Also,as for handling of echo
suppression,we must have the ability to handle stereo echo suppression.