digital television
- working schema
This opera is licensed under a Creative Commons Attribution 3.0 Unported License
satellite EPG Electtronic Programming Guide subtitle and multichannel audio
satellite repeater
satellite dish
DIGITAL SATELLITE binary data
01001011
workable and transportable
repeater
the quality of digital transmission is better than analog one
broadcaster
requires high transmission capacity
antenna TV
TV
DIGITAL TERRESTRIAL
user
optical fiber
IPTV (Internet Protocol Television)
telephone network WEB
decoder
desktop
palmtop
TV MOBILE telephone
1941 First representation of digital information with Atanasoft–Berry Computer
1995 digital television technology is actually ready for wide use
1995 real diffusion of digital television
digital cable television (IPTV)
- working schema
This opera is licensed under a Creative Commons Attribution 3.0 Unported License
user must pay for subscription
â‚Ź
subscription
film and tv series on demand pay per view programs and live news
digital terrestrial
FASTWEB TV
amount of advertising: 0%
0%
aerial TV no advertising
only one decoder per house
on demand segnal
broadcaster
TV
optical fiber
live segnal
decoder
very expensive
home banking
user request interaction with the broadcaster
user
no sat dish no smart card
user request
cable must reach each house
user can use the internet connection
desktop
web segnal
WEB
the telephone is not the only way to communicate with the broadcaster
telephone
1994 Fastweb connects with optical fiber the entire city of Milan
2006 Sky holds a commercial alliance with Fastweb
2008 Telecom, Tiscali e Infostrada cease their IPTV service, contributing to the creation and distribution of ADSL TV in Italy
digital terrestrial television (DTT)
- working schema
This opera is licensed under a Creative Commons Attribution 3.0 Unported License
€
advertising
€
user must pay for yearly subscription
subscription
multilingual and high definition broadcasting
receivable in every part of the served area
large number of channels amount of advertising: 20%
20% broadcaster
one decoder per every house
no video on demand
repeater
high quality image/audio
decoder
TV aerial
TV
no satellite dish user can interact with the broadcaster through the remote control
a lot of remote controls in the house
the telephone is not the only way to communicate with the broadcaster
telephone
€
2003 first digital transmissions in Italy in Sardegna and Valle d’Aosta
2010 every transmission in Italy must be digital
user
digital satellite television (SAT TV)
- working schema
This opera is licensed under a Creative Commons Attribution 3.0 Unported License
user must pay an yearly subscription
â‚Ź
subscription
pay per view large number of channels
satellite
amount of advertising: 10%
10% broadcaster
satellite repeater
high quality image audio
decoder
SAT dish
TV
SAT dish needed user can interact with the broadcaster through the remote control a lot of remote controls in the house
the telephone is not the only way to communicate with the broadcaster
telephone
â‚Ź
1998 first digital television in italy appeared as digital satellite television
2003 Sky was born from the union of italian Tele+ and Stream
user
digital mobile television
- working schema
This opera is licensed under a Creative Commons Attribution 3.0 Unported License
user must pay for subscription
â‚Ź
subscription
pay per view video on demand
video on demand user request
broadcaster
receivable in every part of the served area
telephone network user can use the internet connection
web signal
WEB
â‚Ź
palmtop
user needs an expensive palmtop
user