RTV+3007+Ch3+Lesson+4rev

RTV+3007+Ch3+Lesson+4rev - DigitalTelevision o...

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Digital Television o Digital allows for  Multiplexing n Video programs and Data
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3 SDTV Channels and  Multiple Data Streams Channel 5b Channel 5c Channel 5a
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Digital Television o Most big “4” affiliates in Top 10 markets  began transmitting digitally as of May 1, 1999 o Some began voluntary broadcasts in  November 1998
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Current Status of DTV o Increase of broadcast HDTV programming  (mostly network primetime shows, sporting  events, movies) o Cable pushing HDTV --- increasing number of  HD specific cable networks available for digital  cable subscribers
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Digital TV Phase-In o Congress set the timetable for the shutdown of analog in 2009 o After the shut down of analog, most viewers have received  digital signals through their cable or satellite providers o Some have received their digital signals over-the-air through the use of  rooftop antennas as well as “rabbit ears” on the back of their TV sets o Analog spectrum have been reallocated for other services (first  responders)
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DTV Programming Issues   Existing programming shot on 35 mm film  (most features and prime time hour long)  are easily converted to digital      
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DTV Programming Issues   o Many large market stations have had full digital 
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RTV+3007+Ch3+Lesson+4rev - DigitalTelevision o...

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