Archive for the ‘Broadcast’ category

Schools’s Media Communications

June 25th, 2011

Time to spread the word! Media Communications Schools help students to examine the communication between the global communities, and includes courses in digital media, broadcasting, reporting, writing, interpersonal communication, language and rhetoric.

Students should be aware that the terms mean communication, journalism and mass communications of the same or very similar case. Therefore, the course descriptions in the catalogs of his academic courses more reliable than the titles of courses when the catalog and choose from various programs with the media.

Communication with the media differs from media studies media in this study came from theater, film and language, and emphasizes the impact of media on the population. Media Studies as a discipline refers to cultural perspectives and interpretation of communication. Communication with the media (or mass communication), on the other side covers the concepts and writing skills, journalism, radio, television and various types of communication through various media sources.
» Read more: Schools’s Media Communications

Network Multicasting and Broadcasting

May 26th, 2011

NICs are usually programmed to listen to three types of messages. Those are the messages sent to their specified address, messages broadcast to all NICs and multicast messages that can be used as for a particular card. There are three types of addressing:

1. Unicast – A transmission to a single interface card.
2. Multicast – A transmission in the network interface card.
3. Broadcast – A transmission to all interface cards in the network. RFC 919 and 922 describe IP broadcast datagrams.
* Limited Broadcast – Send to all NICs on each network segment as the source NIC. He has represented 255 255 255 255 TCP / IP address. The event was not broadcast by the router, only appeared on the network segment.
* Live streaming – for all hosts on the network. Router can be configured to forward broadcasts directed to the main network. For network 192.168.0.0, broadcast 192 168 255 255.
» Read more: Network Multicasting and Broadcasting

The Next Era of Broadcasting System

May 26th, 2011

All over the world today are linked by different technologies, changes in communication between the community and thus on the question of our ideas about national identity. “This is the fact that we can record TV programs seen in remote regions of the world, listening to foreign radio stations occupied, reading foreign newspapers, publications and books, and on that day, access to many sites that we want the world of satellite communications and broadcasting system based on the home server is the next generation of radio with the PDR (Personal Video Recorder), a decoder with a high storage capacity and is now the norm. It is assumed that the content is transmitted are stored in the receiver, and demanded that the traditional television can also be accepted. So DRM is proposed to construct adding a new key to the DRM standard.

These new key called “content key (Kc) and is used to encrypt the session if the content is stored in the RDP. Kc is unique to each. But in reality, Kc is clearly for each object. It depends on the diffuser . DTH networks, including broadcast center, one or more high-power satellite and DTH receivers. Broadcast Center, a network hub, is a complex of studios, production / reproduction with satellite transmission technology, customer management / access control, access network and systems management in interactive services and data. Analog or digital video programmers contributions received via satellite, fiber optic, microwave or terrestrial links. Audio-Video (AV), but also by the programmer tape library or CD / DAT available. In the case of data or Internet services to connect to the server that is used by a connection via cable or satellite.
» Read more: The Next Era of Broadcasting System