News tagged with digital signals

Japan goes digital after turning off analogue TV

Japan on Sunday shifted to digital terrestrial broadcasting, switching off its analogue television network in all areas except those worst hit by the March 11 earthquake and tsunami, the government said.

dateJul 25, 2011 in Telecom
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FCC to open up vacant TV airwaves for broadband

(AP) -- A new flavor of Wi-Fi, with longer range and wall-piercing power, could show up in wireless gadgets a year from now if the Federal Communications Commission works out the last details of new spectrum ...

dateSep 13, 2010 in Telecom
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Free local TV soon to be available on cell phones

(AP) -- The prospect of watching live, local TV shows on mobile phones and other portable devices is getting closer. Manufacturers this week are showing off gadgets can receive a new type of digital TV transmissions.

dateJan 06, 2010 in Telecom
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Explained: The Discrete Fourier Transform

(PhysOrg.com) -- In 1811, Joseph Fourier, the 43-year-old prefect of the French district of Isčre, entered a competition in heat research sponsored by the French Academy of Sciences. The paper he submitted ...

dateNov 25, 2009 in Mathematics
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Don't change that channel: DTV woes still abound

(AP) -- Think the digital TV transition is over? Not quite. Many viewers have found that they can't pick up certain stations after the switch, even with the right TVs or converter boxes. The stations are still trying to ...

dateSep 18, 2009 in Telecom
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