l The shortcomings of the traditional recording and broadcasting + software video conference combination
1. There are many manufacturers of traditional recording and broadcasting systems on the market that cooperate with the software video conference system to achieve the function of recording and remote multi-party interaction, but this combination is a "patchwork-type integrated solution", not a "product-level solution." ".
2. The recording and broadcasting system uses a set of hardware equipment (some companies use PC + capture card + recording and broadcasting software), and the software video uses an additional PC + capture card + video conferencing software. In this case, not only repeated investment in hardware equipment ( PC and capture card), devices using the open PC platform are prone to fail to ensure the stable operation of the software system due to user operations, virus attacks, and other reasons.
3. The software video conference adopts PC + capture card to realize video capture, and currently the mainstream I5 configuration PC can only barely perform a single 1080P 30-frame high-definition encoding compression, unable to undertake the encoding compression and demultiplexing of high dynamic VGA screen Synchronous decoding of conference site pictures. Therefore, even the main venue can only transmit a single low-resolution picture to reach the branch venue.
4. The traditional recording and broadcasting + software video conference system is two parallel systems. Recording and broadcasting is responsible for the recording of local teaching. The recording of the interactive process can only be completed by the traditional software video conference system. The recorded files have several major disadvantages. , Such as: A, the format is not universal, dedicated player to play; B, video conferencing software interface is also recorded; C, low frame rate teacher screen recording; D, interactive mode is the conference mode, rather than the three-point teaching commonly Screen mode.
5. The operation of software video conferencing is too cumbersome. Teachers need to do a very deep study of video conferencing in order to master and use it on their own, which increases the burden on teachers and seriously interferes with the normal teaching process of teachers.
l Shortcomings of traditional recording + PC or decoder box watching each other
1. Some recording and broadcasting system manufacturers use interactive recording and broadcasting systems. Party A uses a computer to watch the live broadcast of Party B, and Party B uses a computer to watch the live broadcast of Party A. In this case, many shortcomings are exposed, such as: â‘ , the echo cannot be solved well; â‘¡ when the transmission delay of the recording and broadcasting system is large, the dialogue cannot be conducted normally, especially for some computers + software recording and broadcasting systems, the live broadcast is delayed It has reached more than 8 seconds, and the time for one-time communication needs more than 16 seconds.
2. Each interactive recording and broadcasting room needs to be equipped with dual computers and dual projections, and even dual audio systems, with repeated hardware investment.
3. More than two points cannot interact with this method.
l Disadvantages of traditional recording + hardware video conference combination
1. Some manufacturers combine third-party hardware video conferencing systems for interactive function applications. We all know that the traditional video conferencing products on the market are expensive. The 48-point MCUs often cost hundreds of thousands of yuan or even millions. For hundreds of thousands, the price factor hinders the large-scale application of its products in the education industry.
2. Traditional hardware video conferencing products are mainly used in conferences, not for educational occasions. For example, the three-screen mode of education, the main venue requires 2 video + 1 VGA mode, interactive recording mode, high dynamic VGA Modes, etc., seem unacceptable in teaching applications.
3. Because it is a patchwork system, only two separate systems can be operated and managed in terms of system management.
l Invisco Ncast interactive recording and broadcasting machine contrast advantages
Ncast high-definition interactive recorder-player uses embedded hardware architecture, pure hardware multi-channel 1080P DSP encoding and decoding, recording and broadcasting module and video interactive module share DSP acquisition chip, without the need to repeatedly invest in hardware. Both the MCU and the interactive terminal can record and live broadcast the traditional three-split screen mode of the interaction process. The convenient and fast touch monitoring and guide platform can truly give the classroom to the lecturer and provide users with a set of product-level interactive cloud recording Broadcast solution.
About Ncast
Guangzhou Ying Visual Electronic Technology Co., Ltd., established in 2007, is a high-tech enterprise focusing on product development and excellent Internet services in the three major areas of multimedia communication, video and audio codec, and intelligent image processing. Since its establishment, Ncast has insisted on independent innovation and has developed a number of innovative products with independent intellectual property rights, including: high-definition multimedia recording and broadcasting system, image recognition tracking system, image click tracking system, video interactive system.
Makeup for Eyes, those products mainly include eye liner, Mascara, Eyeshadow, and other related product.
Its mainly for protect the eyes. Its looks more beautiful and shining after the product using, also can keep the long lasting and waterproof.
Eyes
Color Makeup for Eyes, Color Eyeshadow, Gel Eyeliner, Liquid Eyeliner, Mascara, Eyebrow Gel
Zhejiang Zhongyimei Industry Co., Ltd , https://www.queeeny.com