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2. Technology of television - Wikipedia

   en.wikipedia.org/wiki/Technology_of_television

   The elements of a simple broadcast television system are: . An image source. This is the electrical signal that represents a visual image, and may be derived from a professional video camera in the case of live television, a video tape recorder for playback of recorded images, or telecine with a flying spot scanner for the transfer of motion pictures to video).

3. FM broadcasting - Wikipedia

   en.wikipedia.org/wiki/FM_broadcasting

   FM broadcasting is a method of radio broadcasting that uses frequency modulation ( FM) of the radio broadcast carrier wave. Invented in 1933 by American engineer Edwin Armstrong, wide-band FM is used worldwide to transmit high-fidelity sound over broadcast radio. FM broadcasting offers higher fidelity—more accurate reproduction of the ...

4. In-ear monitor - Wikipedia

   en.wikipedia.org/wiki/In-ear_monitor

   Elize Ryd wearing in-ear monitors during a concert in 2018. In-ear monitors, or simply IEMs or in-ears, are devices used by musicians, audio engineers and audiophiles to listen to music or to hear a personal mix of vocals and stage instrumentation for live performance or recording studio mixing. They are also used by television presenters to ...

5. Shortwave broadcasting in the United States - Wikipedia

   en.wikipedia.org/wiki/Shortwave_broadcasting_in...

   The program was broadcast over shortwave to the Far North during the winter months, when mail service was impossible, and consisted of personal messages to RCMP officers, missionaries, trappers, and others from family and friends, music, and news. [11] RCA was also a pioneer in shortwave broadcasting in the US.

6. The 5 best workout earbuds - AOL

   www.aol.com/news/5-best-workout-earbuds...

   There are dozens of excellent wireless earbuds fit for everyday use. But not all of these top-picks make for ideal workout earbuds. When shopping for a pair of earbuds with fitness in mind, pay ...

7. Television in the United States - Wikipedia

   en.wikipedia.org/wiki/Television_in_the_United...

   In the United States, television is available via broadcast (also known as "over-the-air" or OTA) – the earliest method of receiving television programming, which merely requires an antenna and an equipped internal or external tuner capable of picking up channels that transmit on the two principal broadcast bands, very high frequency (VHF) and ultra high frequency (UHF), to receive the ...