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FM broadcasting is a broadcast technology invented by Edwin Howard Armstrong that uses frequency modulation (FM) to provide high-fidelity sound over broadcast radio.
1worldspace (NASDAQ: WRSP) is a satellite radio network that provides service to over 170,000 subscribers in eastern and southern Africa, the Middle East, and much of Asia with 96% coming from India[1].It is the first satellite radio network ever, beating the North American Sirius and XM services by 11 years.
AM Stereo is a term given to a series of mutually incompatible techniques for broadcasting stereo audio in the AM band in a manner that is compatible with standard AM receivers. There are two main classes of systems: independent sideband (ISB) systems, promoted principally by American broadcast engineer Leonard Kahn; and quadrature amplitude modulation (QAM) multiplexing systems (conceptually closer to FM stereo).
AM Stereo is a term given to a series of mutually incompatible techniques for broadcasting stereo audio in the AM band in a manner that is compatible with standard AM receivers. There are two main classes of systems: independent sideband (ISB) systems, promoted principally by American broadcast engineer Leonard Kahn; and quadrature amplitude modulation (QAM) multiplexing systems (conceptually closer to FM stereo).Advanced Audio Coding (AAC) is a standardized, lossy compression and encoding scheme for digital audio. Designed to be the successor of the MP3 format, AAC generally achieves better sound quality than MP3 at similar bit rates.[1]
Africa is the world's second-largest and second most-populous continent, after Asia. At about 30.2 million km² (11.7 million sq mi) including adjacent islands, it covers 6% of the Earth's total surface area and 20.4% of the total land area.[2] With a billion people (as of 2009, see table) in 61 territories, it accounts for about 14.72% of the World's human population. The continent is surrounded by the Mediterranean Sea to the north, both the Suez Canal and the Red Sea along the Sinai Peninsula to the northeast, the Indian Ocean to the southeast, and the Atlantic Ocean to the west. Not counting the disputed territory of Western Sahara, there are 53 countries, including Madagascar and various island groups, associated with the continent.Alternative frequencies (or AF) are an option that allows a receiver to re-tune to a different frequency that provides the same station, when the first signal becomes too weak (e.g. when moving out of range). This is often used in car stereo systems, enabled by Radio Data System (RDS), or the U.S.-based Radio Broadcast Data System (RBDS).The American Forces Network (AFN) is the brand name used by the United States Armed Forces American Forces Radio and Television Service (AFRTS)[1] for its entertainment and command internal information networks worldwide. The AFN worldwide radio and television broadcast network serves American service men and women, Department of Defense and other US government civilians and their families stationed at bases overseas, as well as U.S. Navy ships at sea. AFN broadcasts popular American radio and television programs from the major U.S. networks. It is sometimes referred to as the Armed Forces Network. AFRTS, American Forces Network and AFN are registered trademarks of the U.S. Department of Defense.