What is the difference between RTC and webrtc
RTC (real time communications), real-time communication, is a rising tuyere industry. In a short period of one year, many players have entered the industry. The most typical application is live video and audio-video communication. However, many devel
Posted at 21-04-21 by SKYSKY views(641)
How to reduce HLS delay to 4 seconds
In live broadcast application, RTMP and HLS are two mature and widely used streaming media protocols, which can cover all clients basically. RTMP is the protocol of application layer in the five layer Internet tcp/ip architecture. The main advantage
Posted at 21-04-20 by SKYSKY views(773)
Android hardware codec and software codec
Recently made an Android project to use the encoding and decoding function. The general requirements are: take a video through the camera, then extract frames, generate a short video, and reverse video. At the beginning, it directly uses H.264 encodi
Posted at 21-04-20 by SKYSKY views(411)
HLS of streaming media
0 HLS background and original intention HLS is a streaming media network transport protocol initiated by apple. Please refer to rfc8261 HTTP live streaming. Its working principle is to divide the whole stream into small HTTP based files to download,
Posted at 21-04-20 by SKYSKY views(413)
Why is online education the trend of the future?
Although most enterprises are now back to work and return to work, students still have to receive online education because of the epidemic. It also has many interesting stems, such as the students graduated from school, funny and sad, but it also pro
Posted at 21-04-20 by SKYSKY views(198)
What are the main stream and sub stream in surveillance video?
The encoder of HD network camera products will produce two coding formats, which are called main stream and sub stream, which is called dual stream technology. The purpose is to solve the quality problems of local storage and network transmission of
Posted at 21-04-20 by SKYSKY views(1859)
The difference between HTTP protocol / RTSP protocol / RTMP protocol
common ground: 1: RTSP RTMP HTTP is all at the application layer. 2: In theory, RTSP rtmphttp can be used for live broadcast and on-demand, but RTSP RTMP is generally used for live broadcast and HTTP for on demand. SIP protocol was used in video con
Posted at 21-04-20 by SKYSKY views(1816)
The relationship among I frame, P frame, B frame, GOP and IDR
1、 Video transmission principle Video is to use the principle of human eye vision retention, through playing a series of pictures, make the human eye feel of movement. The video is transmitted only, and the amount of video is very large, which is un
Posted at 21-04-20 by SKYSKY views(1034)
The basic form of STB hardware
This article talks about the basic hardware composition of live set top box . We don't want to talk about what we see when we dismantle the machine, so we can only see a pile of capacitors and resistors. Here we want to pay attention to the main chi
Posted at 21-04-23 by SKYSKY views(223)
Video encoder
The compression ratio is good and the high quality smooth image needs small bandwidth in the process of network transmission. The high control accuracy of the code flow is the basic characteristic of any excellent video encoder. Tvi-4000 has low codi
Posted at 21-04-21 by SKYSKY views(310)
