H264 basic overview
H.264, also the tenth part of MPEG-4, was proposed by the Joint Video Team (JVT, Joint Video Team) formed by the ITU-T Video Coding Expert Group (VCEG) and the ISO/IEC Moving Picture Expert Group (MPEG). The highly compressed digital video codec stan
Posted at 21-03-24 by SKYSKY views(553)
Overview of live streaming system push and pull
Its not that simple to build a live broadcast system. There are many knowledge points to pay attention to, not only the push and pull ends, but also the collection, compression, encoding, and decoding. CDN services and servers are also very important
Posted at 21-03-24 by SKYSKY views(321)
What is UDP
The Internet protocol suite supports a connectionless transmission protocol, which is called User Datagram Protocol (UDP). UDP provides a way for applications to send encapsulated IP packets without establishing a connection. RFC 768 describes UDP. T
Posted at 21-03-20 by SKYSKY views(708)
Basic knowledge of live broadcast system
With the rise of the cargo-carrying trend, more live broadcast platforms have begun to transform to e-commerce live broadcasts. Even platforms that have not done live broadcasts have begun to test the waters in this field, and more and more live broa
Posted at 21-03-23 by SKYSKY views(206)
Radio and television basics - common equipment and systems
Perhaps, you are from a broadcast TV media audience, then, you are listening to the radio or watching TV, when the program switch, the sound is big or small phenomenon? Perhaps, you are a staff member in the broadcast television station, then you hav
Posted at 21-06-10 by SKYSKY views(845)
Talking about Network Voice Technology
When we use tools like Skype and QQ to smoothly conduct voice and video chats with friends, have we ever wondered what powerful technologies are behind it? This article will give a brief introduction to the technologies used in network voice calls, w
Posted at 21-05-08 by SKYSKY views(294)
What is I frame, P frame, B frame
Simply put, I-frames are key frames and belong to intra-frame compression. It is the same as AVI compression. P means to search forward. B is two-way search. They are all based on I frame to compress data. The I frame represents the key frame, which
Posted at 21-05-18 by SKYSKY views(1044)
What to do if mosaic appears in IPTV programs
When the mosaic phenomenon occurs in the IPTV system, on-site personnel are required to perform the following verification work according to the steps: 1. First verify the multicast VLAN number used for the IPTV live source on the project site; 2. In
Posted at 21-05-18 by SKYSKY views(431)
Video format and interface
1. Analog signal format Wiki describes it like this: The color video signal is a linear combination of the luminance of the picture, and a modulated subcarrier carries the chrominance or color information, a combination of hue and saturation.. In oth
Posted at 21-05-19 by SKYSKY views(316)
Introduction to MDI (RFC 4445)
Jitter and timing distortion will occur during transmission and exchange of MPEG video streams through the Ethernet network after being packaged. The key of Video over IP testing technology is to test network jitter and packet loss. At present, the b
Posted at 21-05-19 by SKYSKY views(414)
