The application of cloud computing technology in the field of broadcasting and television is becoming more and more popular

Cloud computing is a resource delivery model that uses the resources needed to get applications through the network. He is the first IT technology revolution with PC as the core, and the third IT technology revolution after the second IT technology revolution with the Internet as the core. Cloud computing packages computing devices, software, and services, changing the way people access, process, and store information. For example, data center (IDC) can greatly improve the utilization of equipment through cloud computing technology, and reduce the economic loss caused by idle equipment, while reducing personnel and management costs.

The application of cloud computing in the field of broadcasting and television is becoming more and more popular

On March 17, last year, Shanghai Broadcasting and Television Station and Shanghai Oriental Media Group Co., Ltd. (SMG) signed a cooperation agreement with Lenovo Group. The agreement will jointly develop their respective advantages in terminal products, cloud computing, content resources and market operations. Open up China's mobile internet and digital home market. Based on the agreement, Lenovo's Internet TV terminals will receive an abundance of new media resources, including SMG's high-definition, high-quality audiovisual content from around the world, as well as a variety of non-audio-visual value-added services. Established a “Vision Cloud Network Technology” joint venture in Shanghai, with BesTV holding 51% of the joint venture company and Lenovo holding 49%. The company is jointly managed by both parties. In addition to providing all kinds of new media resources for Lenovo, it will also provide non-audio-visual value-added services and arrange audiovisual services for other organizations.

On July 31, after the one-way digital TV and interactive TV, Jiangsu Cable launched its third-generation digital TV “Cloud Media TV” in Nanjing. The birth of cloud media TV marks the end of the "watching TV" era and the official arrival of the "TV" era. The first batch of 2,000 experience users received the cloud media TV upgrade package sent by Nanjing Cable, becoming the first batch of early adopters of cloud media TV. Cloud Media TV is no longer a single channel show, but an interactive menu. Nearly 100 kinds of businesses launched in the first phase are classified into nine sections, such as surfing, TV reading, online games, TV shopping, video calling, etc. can be realized on the TV. What is even more commendable is that these services can basically be completed by using the four direction keys and confirmation keys of the remote control, achieving a perfect combination of rich content and convenient operation.

In November, Yongxin Shibo Digital TV Technology Co., Ltd. won the bid for Nanjing Broadcasting Video Cloud Computing System Platform, and built a cloud media value-added service platform for Nanjing Broadcasting and Television to further promote the popularity of Jiangsu Cable. The Jiangsu video cloud computing system utilizes the two-way set-top box in the network to expand the service scope of the operator and reduce terminal maintenance; enhance the user experience and enrich the entertainment life of the people. Yongxin Video Video Cloud Solution is a low-cost terminal that can access any application on-demand from the network at any time and any place. Users no longer need to upgrade the terminal for new applications, and operators no longer plague the terminal. Upgrade, update, and maintenance.

On December 22, Shandong Broadcasting and Television Network Co., Ltd. and Inspur Group signed a comprehensive business strategic cooperation agreement in Jinan and established a joint venture company - Shandong Yunwang Technology Co., Ltd., Shandong Yunwang Technology Co., Ltd. mainly developed the Broadcasting and Television Internet Data Center (MMC). Functional areas such as the Media Business Center and the Triple Play Application Center are dedicated to the future core business of the nationwide cable TV network. Previously, based on the leading cloud computing technology, Inspur developed a cloud TV platform for triple play. Through the organic combination of “cloud” and “end”, it realized digital TV, interactive TV, Internet TV, three-screen linkage and various The featured application has greatly enriched the business type and truly realized the transition from watching TV to using TV. The program has been applied in large scale in several operators such as Jinan, Hebei and Wuhu.

Enterprises have launched cloud computing applications

At CCBN and BIRTV and various radio and television development forums, enterprises have launched cloud computing systems for broadcasting and television applications.

Huawei's media cloud platform

Huawei Media Cloud Platform is based on Huawei's SingleCLOUD cloud computing platform technology. It can dynamically adapt to changes in traffic volume and flexibly allocate computing resources on demand to provide low-cost and efficient computing for operators to collect, encode, and transcode large amounts of media content. Processing power and end-to-end infrastructure capabilities enable operators to quickly transition from traditional cable TV service providers to multi-service service providers for triple play. Huawei media cloud platform can realize unified storage of multi-screen content through real-time transcoding and cloud storage technology, that is, the same content has only one copy in the operator's central storage, and distributes, caches and distributes to the edge nodes according to rules such as content heat. Replace and perform centralized format adaptation and streaming processing in real time based on terminal type, service type, and network status. The unified storage and delivery architecture of Huawei's media cloud platform can help operators significantly reduce the storage cost of content, and manage multiple vertical capability platforms in a unified manner, greatly simplifying the complexity of carrier operations.

Ocean's cloud-based media management system

At the 2011 CCBN exhibition, Ocean launched two types of cloud media assets. The first one is the computing service cloud, which is a private cloud media asset. In this form, each business unit acquires computing resources on demand, which is more suitable for The self-built data center TV station; the second is the software service cloud, which adopts the public cloud method. The oriented customers are mainly small and medium-sized users, allowing users to obtain the required processing, storage, management and browsing services on-demand through the network, just like The same as the corporate mailbox.

For large-scale users, Ocean provides two cloud media asset construction models, one is the TV's own private cloud media asset. With this model, users can enjoy the low cost and high efficiency advantages of platform maintenance. The other is cloud media for the group. This cloud platform has both computing resources and service resources. All branches under the group can quickly and easily obtain the software and services they need.

New Auto's new architecture for cloud-based all-media operation technology

New Auto C-MAP is based on the new technology of video cloud computing technology. It adopts a unified data center and can build four core platforms: operation management platform, production and production platform, integrated distribution platform and operation and release platform. The platform is dynamic, efficient, on-demand, flexible, green, etc. It can realize more resource utilization, more flexible adjustment, more environmentally friendly consumption, and more efficient media processing. The business management platform services mainly include production management services, resource management services, programming management services, advertising management services, copyright management services and business management services. The production and production platform services include collection and collection services, program production services, document business services, content management services, and cluster broadcasting services. Integrated distribution platform services include business management services, content aggregation services, content processing services, content management services, content processing services, and content distribution services. The operation and release platform service has an interactive TV platform, a network television platform, an IPTV centralized control platform, a mobile TV set control, a mobile TV platform and an internet TV.

Sobe's network TV cloud service solution

Sobebe launched the eWebTV network TV cloud service solution in due course. This is a new media-related service based on the cloud platform, which provides a platform solution for high-speed content integration and value-added technology of “quick deployment” and “fast operation”. Users can not only operate the network TV station in self-built mode, but also quickly acquire the ability to operate the network TV station by purchasing services.

The solution has the following characteristics: 1. Live information fragmentation: no need to set up a special collection system, live broadcast information is automatically stored, support live broadcast time shift; 2. On-demand material quick release: support fast on-demand fragmentation of on-demand material, support for adding stations Mark and subtitles; 3. Program list auxiliary stripping: import the program list of the day, you can automatically segment the time point of the live channel according to the program time, assist the stripping; 4, live stream + on-demand file mixed editing: direct Live channel signal and on-demand material editing at the same time; 5. Simple subtitles: support simple subtitle editing, synthesis; 6. Multi-render mode: support terminal CPU local rendering and background rendering combined mode; 7. Quick release: directly after editing and rendering Publish the content management system for quick release.

In addition, the fine-grained uploading workstation integrates the unique advantages of the Sobey nonlinear editing system for material editing, while adding editing and synthesis support for multiple new media formats. Supports material uploading for types of media such as EX/P2/XDCAM/VTR/DVD. The system can seamlessly integrate with the content of the network TV station, and send the uploaded and edited materials directly to the network TV station for distribution.

Media cloud computing platform launched by Tianmai Juyuan

Tianmai has built a large-scale mobile “media cloud service” platform for “China Mobile TV Station”. The platform is divided into two parts: First, CNTV has realized integrated code acquisition of hundreds of distributed TV signals, and realized more for mobile Internet. The large-scale live streaming service of the terminal can support a high-performance CDN distribution network with 5 million users online, covering the whole process from signal processing to real-time encoding to multi-protocol and multi-terminal live streaming. The second is the rapid release of the terminal software. The platform relies on Tianpu's unique TMFC Tianmai basic application development library, which can quickly develop and deploy client applications that support smart terminals such as Android and iOS, ensuring a first-class user experience.

The project uses H.264 commercial coding technology to achieve a standard rate of 512Kbps. Quickly construct an enhanced streaming application service that looks at 7-day EPG and 10 second screenshots. The fragmented stream transmission technology based on the HTTP protocol can completely ensure stable and lossless transmission in the public network environment, which is much better than the unstable stream push mode of the existing RTMP protocol. China's mobile TV station realized a multi-delivery of encoding. After one encoding, the general stream construction multiplexing technology was used to multiplex audio and video data into a broadcast stream adapted to different terminal types. And support the TS stream of AppleHTTPlivestreaming specification, to meet the series of intelligent terminals such as iPad, iPhone, Android.

Data security is on the agenda

With the popularity and deepening of cloud computing technology in the field of broadcasting and television, due to the particularity of broadcasting and television, the data security of cloud computing has been put on the agenda. Therefore, it is necessary to conduct scientific classification according to the characteristics, application requirements and security requirements of different business of broadcasting and television through business needs analysis, and summarize the business applications that can fully utilize the advantages of cloud computing, and carry out relevant applied research with emphasis and targetedness. From the application point of view, the following three clouds are likely to become the forerunner of the cloud computing application.

1. Media cloud

Radio, TV stations, program integration platforms, cable operators and other rich media resources. However, due to the limitations of technical system capabilities and the island-based media resource management system, a large amount of media resources are inefficiently utilized. Through the transformation of existing content resource management systems for cloud computing, the establishment of radio and television program content resource pools to build a broadcasting media cloud, to achieve digitalization of content resources, mass storage, data sharing, and superior search mining and content production capabilities, improve Resource use efficiency, enrich program content, improve service capabilities, and reduce operating costs.

2. Service cloud

With the construction of the next-generation broadcast television network and the development of the triple play service, not only the traditional broadcast TV will be transformed into a digital and networked two-way. At the same time, it will spawn a large number of new services and formats. The comprehensive information service capability for users' needs will be an important manifestation of the core competitiveness of broadcasting and television in the future. Building cloud and television service cloud with cloud computing technology will help the development of integrated information services and promote the integration of traditional media and new media. At the same time, cloud computing will enable a large number of service computing processes to be completed through high-performance server groups in the cloud, which can reduce the hardware configuration of terminal devices such as user set-top boxes, accelerate the deployment and promotion of various new services at a lower cost. Users provide an innovative business experience.

3. Manage the cloud

In the future, the content and form of broadcast TV service will continue to be enriched, and the requirements for operational support management will be higher and higher. Cloud computing will provide convenient fee settlement services, cross-domain BOSS system construction, scale data sharing and processing, Application support is provided for the maintenance and upgrade of information systems. At the same time, according to the regulatory requirements of the broadcasting industry, cloud computing technology is used to build a broadcasting and television supervision platform that integrates technology monitoring, program supervision, and security broadcast scheduling and command functions, and provides technology for monitoring, analyzing, processing, and releasing information on regulatory data. support. The close integration of operational support management and industry regulation to build a broadcasting management cloud can significantly improve service and management.