Top Banner
Internet Protocol Television
19

Internet Protocol Television. Table of Contents IPTV – Definition History IPTV services in the World IPTV - in numbers What Is IPTV TV distribution methods.

Dec 22, 2015

Download

Documents

Tracy Shepherd
Welcome message from author
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
Page 1: Internet Protocol Television. Table of Contents IPTV – Definition History IPTV services in the World IPTV - in numbers What Is IPTV TV distribution methods.

Internet Protocol Television

Page 2: Internet Protocol Television. Table of Contents IPTV – Definition History IPTV services in the World IPTV - in numbers What Is IPTV TV distribution methods.

Table of Contents IPTV – Definition History IPTV services in the World IPTV - in numbers What Is IPTV TV distribution methods Differences in technology IPTV - Technology IPTV Capacity Requiremets Comparison of TV Channels with different distribution methods IPTV – Services IPTV – Operators in Finland Case Study: Maxivision Maxivision – Features - nPVR Maxivision – Features - SSC Maxivision – Features - STB Maxivision Prices IPTV Advantages IPTV Disadvantages The Future of IPTV

Page 3: Internet Protocol Television. Table of Contents IPTV – Definition History IPTV services in the World IPTV - in numbers What Is IPTV TV distribution methods.

IPTV – Definition

Internet Protocol Television System through which TV service is

delivered using Internet Method of transmitting the “last mile” of the

TV broadcastSimilar to Cable and Terrestrial distributionOperator – mere distributor

Page 4: Internet Protocol Television. Table of Contents IPTV – Definition History IPTV services in the World IPTV - in numbers What Is IPTV TV distribution methods.

History

1994 a first broadcast over the Internet, ABC’s World News Now.

IPTV over DSL broadband interactive TV service in September 1999

VoD (Video on Demand) 2001 2004 IPTV in Finland 2008 IPTV service independent from ISP’s

Page 5: Internet Protocol Television. Table of Contents IPTV – Definition History IPTV services in the World IPTV - in numbers What Is IPTV TV distribution methods.

Keskustelutehtävä

Mitä palveluita tulee lisää IPTV:ssä ja internet-televisiossa verrattuna perinteiseen televisioon?

Page 6: Internet Protocol Television. Table of Contents IPTV – Definition History IPTV services in the World IPTV - in numbers What Is IPTV TV distribution methods.

What Is IPTV

What digital television was supposed to be: Real interactivity Video on Demand Pay-TV channels for everyone, not only those connected to

Cable Not Internet TV

Internet TV do not use dedicated and controlled network for high quality data transfer

Television service distributed via Internet. 2 forms of viewing: Streaming Downloading to a computer

Internet TV is accessible by web browser

Page 7: Internet Protocol Television. Table of Contents IPTV – Definition History IPTV services in the World IPTV - in numbers What Is IPTV TV distribution methods.

TV distribution methods

Terrestrial – DVB-T (Digital Video Broadcasting, Terrestrial) Over-the-air broadcasts 10 free channels, about 20 Pay-tv channel

Cable (e.g. Welho) – DVB-C Signals transmitted through fixed optical fibers or coaxial cables 15 free channels, about 100 Pay-tv channels 12 HD-channels

Satellite (e.g.Canal Digital) – DVB-S Signal transmitted over communications satellite to satellite dish 10 free channels, over 70 Pay-channels channels 12 HD-channels

IPTV (e.g.Maxivision) – DVB-IPTV Signal transmitted via a packet-switched Internet protocol network 10 free channels, over 70 Pay-tv channels 4 HD-channels (Coming soon)

Page 8: Internet Protocol Television. Table of Contents IPTV – Definition History IPTV services in the World IPTV - in numbers What Is IPTV TV distribution methods.

Differences in technology Digital TV: One way communication No interaction One format at a time

IPTV: Two way communication 100% interaction Consumer can select the format

of the signal (e.g. Mpeg2 / Mpeg4)

Allows significantly more content and functionality Web browser Weather forecast ( Maxivision ) Games Chat

Page 9: Internet Protocol Television. Table of Contents IPTV – Definition History IPTV services in the World IPTV - in numbers What Is IPTV TV distribution methods.

IPTV - Technology

IPTV is distributed using Multicast Each channel is transmitted once through the backbone -> then

duplicated for each customer Requires less backbone capacity, allows more channels. Example: one SD-channel requires 2Mbps, if backbone 10Gbps -> 5000

channels Head-end

Media streams collected and decoded from Terrestrial and Satellite networks

Re-coded for IP distribution nPVR Hard disks

Page 10: Internet Protocol Television. Table of Contents IPTV – Definition History IPTV services in the World IPTV - in numbers What Is IPTV TV distribution methods.
Page 11: Internet Protocol Television. Table of Contents IPTV – Definition History IPTV services in the World IPTV - in numbers What Is IPTV TV distribution methods.

IPTV – Services

Usually sold as a triple play – service Internet connection IPTVVoIP

IPTV normally uses closed network IPTV-user must have Internet connection from

the same operator

Page 12: Internet Protocol Television. Table of Contents IPTV – Definition History IPTV services in the World IPTV - in numbers What Is IPTV TV distribution methods.

IPTV – Operators in Finland

Elisa viihde Closed network 24Mbits Internet connection IPTV – service

VoD MPEG2 SD and HD Channels DVB-T/C – Tuners About 50 channels

Sonera laajakaista tv Closed network

User has to use Sonera’s Internet connection MPEG2

For SD-Channel minimum 8Mbits HD-Channel minimum 20Mbits

Page 13: Internet Protocol Television. Table of Contents IPTV – Definition History IPTV services in the World IPTV - in numbers What Is IPTV TV distribution methods.

Case Study: Maxivision

IPTV – operator in Finland Started 2008 Open network

Can be used with any ISP connection MPEG4 / MPEG2

SD-Channel min. 2Mbits / 8MbitsHD-Channel 8Mbits / MPEG2 not available

Over 80 channels, 4 HD-channels

Page 14: Internet Protocol Television. Table of Contents IPTV – Definition History IPTV services in the World IPTV - in numbers What Is IPTV TV distribution methods.

Maxivision – Features - nPVR

Channels are viewable after 10 seconds of the order No pay-tv cards Minimum subscription period mostly 1 month Automatic software updates IPTV- and DVB-T-tuners nPVR (network Personal Video Recorder)

Unlimited recording space, ( sold in 100hour packages) Simultaneous recording from unlimited amount of channel Scheduling of recording using web browser, mobile phone

or STB

Page 15: Internet Protocol Television. Table of Contents IPTV – Definition History IPTV services in the World IPTV - in numbers What Is IPTV TV distribution methods.

Maxivision – Features - SSC

Self-Service Center Internet based customer portalSubscriptions, recordings and settings are

handledPIN-code for x-rated content

http://my.maxivision.fi

Page 16: Internet Protocol Television. Table of Contents IPTV – Definition History IPTV services in the World IPTV - in numbers What Is IPTV TV distribution methods.

Maxivision – Features - STB

The IPTV digital receiver, Set-Top-Box STB is a computer with optimized operating system for

IPTV-services. Decoders

MPEG2 (better quality, larger bandwidth 6,7 Mbits/s) MPEG4 H.264 (lower bandwidth 1,8 Mbits/s ) User can select the stream according to connection speed

EPG Other applications

Eg weather forecast service by Foreca

Page 17: Internet Protocol Television. Table of Contents IPTV – Definition History IPTV services in the World IPTV - in numbers What Is IPTV TV distribution methods.

IPTV Advantages

Provides decent quality TV-service for Terrestrial “dead zones”

Large selection of channels for peripheral areas

In the future, a real interactive TV Available for everyone

Page 18: Internet Protocol Television. Table of Contents IPTV – Definition History IPTV services in the World IPTV - in numbers What Is IPTV TV distribution methods.

IPTV Disadvantages

Minimum of 2Mbits/s Internet connection Wireless connections, 3G, too unreliable

for TV-services MPEG4 – quality is barely acceptable for

over 40 inch televisions

Page 19: Internet Protocol Television. Table of Contents IPTV – Definition History IPTV services in the World IPTV - in numbers What Is IPTV TV distribution methods.

The Future of IPTV

HD VoD HD Channels More applications on-demand gaming Data services Digital music Home security.