Technology – Internet Radio and TV Today an enormous variety of movies, television programs, and radio broadcasts can be transmitted over the Internet and other networks, giving rise to a range of new applications, media, and services. Internet, or Web radio, is traditional radio broadcasting transmitted over the Internet. Many radio stations offer online programming, … Read more
Communication and Media Technology – Radio Technology Wired connections are not always convenient for the transmission of news or other information. Instead, electromagnetic waves are used, traversing the world with an unseen plethora of radio transmissions. Electromagnetic waves consist of modulating electrical and magnetic fields, sent and received using various kinds of transducers, commonly known … Read more
Technology – Video Technology Video technology provides the means to record, store, process, and view sequences of images. Using computers, both professionals and amateurs can easily work with their video material. A video camera takes a series of individual pictures in rapid succession which are converted into electronic signals, so that they can be stored … Read more
Communication and Media Technology – Digital Cameras Traditional film cameras are rapidly being replaced by digital models. Instead of using photographic film, today they are equipped with high-resolution digital sensors. A basic camera is an opaque-fronted box containing a photodetector on its back. Earlier, the sensor was a strip of light-sensitive photographic film; however, today … Read more
Technology – Audio Technology The conversion of sound waves into electrical signals opens up a wide range of possibilities for recording voice, music, and other sounds, and then storing, processing, and replaying them. Sound waves are traveling vibrations in gases, liquids, or solids. Humans can generally perceive a range of some 16 to 20,000 hertz … Read more
Communication and Media Technology – Mobile Telephone Networks Mobile telephone networks allow users to be reached at any time and in most parts of the world. Modern mobile devices are increasingly powerful and versatile and have become an indispensable modern device. Mobile phones or cell phones are small, portable telephones, connected via radio to mobile … Read more
Technology – Internet Telephone Systems A new alternative to traditional telephone networks has appeared in the last couple of years. It uses computers and computer networks to route voice calls over the Internet. Telephone calling over computer networks using the Internet is called IP telephony, Internet telephony, or Voice over IP (VoIP). Networks transport not … Read more
Communication and Media Technology – Connecting to the Internet For many years, telephone connections acted as bottlenecks, hindering the transmission of large amounts of data. The development of modern transmission technologies has significantly improved Internet connectivity. Many communications networks, such as cell phone networks, telephone landlines, and cable TV networks, are connected to the Internet. … Read more
Communication and Media Technology Forms of media affect and saturate every aspect of our daily lives. Media spreads information and advertising messages, documents world affairs as well as private events, and serves recreational purposes. Modern technology has made this more convenient than ever. Technology – fixed-line telephone Networks Thanks to the digitization of the telephone … Read more
intelligent machines and the networked world – rfid: identification through radio waves RFID technology is expected to gradually replace barcodes on consumer products. The system offers useful applications for business, industry, and everyday life. However, it also raises privacy concerns. RFID, or radio frequency identification, is a technology used to identify objects, goods, and living … Read more
