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8138139
4j- Digital Television
Descripción
A level, A2 (Chapter 4) IT Mapa Mental sobre 4j- Digital Television, creado por Gladys Mba el 16/03/2017.
Sin etiquetas
it
ict
ocr
a2
alevel
g063
chapter 4
it
chapter 4
a level, a2
Mapa Mental por
Gladys Mba
, actualizado hace más de 1 año
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Creado por
Gladys Mba
hace casi 8 años
13
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Resumen del Recurso
4j- Digital Television
Game Show Participation
Individual
Feel like they are part of game, more interesting
Can lose all answers entered in they change channel
TV companies
More popular = more viewers= more ad revenue
Can be expensive to set up facility to receive answers
Broadcaster
Facility to allow digital set-top box to answer questions may be costly
Radio/Satellite broadcasters will need a telephone line to send back responses
Pay per view
Individual
Large bills
Don't have to pay for whole channel
Can watch program any time
TV companies
Extra income
Less revenue from subscriptions
Broadcasters
Facility costly to provide
Need to have payment facility
Encryption requires so programs aren't hacked
Need high bandwidth if users can start watching at anytime or its a live event
Voting
Individuals
Voting by phone often have expensive premium rate numbers
Feels like they are participating
May be frustrated their vote doesn't win
TV companies
Boost revenue
May need to prepare different endings depending on outcome of vote
Have to go along with unpopular vote outcomes
Broadcasters
Costly to implement facility to vote using the set-top box
Camera Angles
Individuals
Viewers can choose which parts they prefer to watch rather than relying on director
May miss something when switching
TV companies
All camera's must have a good view and director can't switch camera if user has chosen it
Have to monitor/ censor more content
Broadcasters
More bandwidth needed for extra cameras
Have to show adverts at same time on all cameras
Recording and live pause
Individuals
Monthly charge
Won't miss programmes due to disturbances
Can watch and reocrd at the same time
Can watch at convenient time
TV companies
Customers can skip adverts, company loses income
Broadcasters
Need to update electronic programme guide
Set top boxes require hard disk to store recordings
Feedback to TV studios
Individuals
Expensive premium rate numbers
Viewer's response may not be shown
TV companies
Moderate messages
Need to sift through many comments
Variety of opinions => less bias
Broadcasters
Costly interactive feature to make with top-box
3D TV
Individual
Limited content, expensive
Richer viewing ecpxerience
Passive glasses are cheap, but active are expensive
Possible nausea
TV companies
Expensive 3D bandwidth
Time consuming to convert 2d to 3d
Broadcasters
Need high bandwidth
Different set top box needed
Smart TV
Individuals
Easy to set up wireless, but need installing for wired
High bandwidth needed
access content on other devices or online content
TV companies
Less time watching raditional TV => Less ad revenue
Need to make apps for variety of platforms
Broadcasters
Need to develop ways to transmit TV through internent
Less demand for cable TV
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