PROSPECTS FOR DIGITAL TV Philip Laven Chairman, DVB Project Vice-Chairman, FOBTV NATEXPO, Moscow 6 November 2012.
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PROSPECTS FOR DIGITAL TV
Philip Laven
Chairman, DVB Project
Vice-Chairman, FOBTV
NATEXPO, Moscow 6 November 2012
DVB STANDARDS
• DVB is a not-for-profit organisation that develops technical standards for digital TV
• DVB’s initial standards were:– DVB-S (digital satellite TV) in 1993– DVB-C (digital cable TV) in 1993– DVB-T (digital terrestrial TV) in 1995
DVB’s SECOND-GENERATION
• The second-generation standards are based on technologies that were not available in the mid-1990s or were too expensive at that time
• Each of the second-generation standards offers dramatic improvements in performance compared with the earlier standards
• DVB-T2 can deliver 50% more data than DVB-T
• DVB-T is typically used to deliver 24 Mbit/s in a standard 8 MHz channel
• DVB-T2 can deliver 36 Mbit/s in the same channel
– with no change to the coverage area
– with no increase in the transmitter power
DVB AROUND THE WORLD
DVB = SUCCESS
• Screen DigestTM study reported that
“DVB is the most widely used transmission standard in the world”
HEADING TOWARDS 1 BILLION
CHALLENGES AHEAD
• Challenge #1 is to get people to adopt digital TV– consumers need to buy new equipment (set-
top boxes or new integrated digital TV sets)• Challenge #2 is to persuade everybody to stop
using analogue TV– the analogue TV services cannot be switched
off until ~99% of consumers have changed over to digital TV
– it is easy to convert 50% of homes to digital, but the last 5% are much more difficult
– this process can take up to 10 years
CHALLENGES AHEAD
• In 2005, the European Commission proposed the beginning of 2012 as the deadline for completing analogue TV switch-off in all EU countries
• Analogue switch-off has now been completed in 22 of the 27 EU countries
• The remaining 5 EU countries are: – Poland (July 2013)– Bulgaria (September 2013)– Greece (2014?)– Hungary (2015)– Romania (2015)
REGIONAL STANDARDS
• Different regional standards for digital TV might have been excusable when TV sets were rarely moved between countries
• High-quality portable displays (e.g. smart-phones and tablets) dramatically change the environment
• Achieving a single global standard is undoubtedly “easier said than done”, BUT it would be sad if the next-generation of digital terrestrial TV perpetuated the existing fragmentation of standards
• A unified standard would offer huge benefits for broadcasters, manufacturers and, above all, consumers
• The FOBTV (Future of Broadcast TV) initiative was established by a declaration agreed in Shanghai on 11 November 2011
at precisely 11.11.11 on 11/11/11
FOUNDING MEMBERS
A NEW BEGINNING?
• FOBTV is hopefully the start of a new era in which “global collaboration” will be the key principle
• Such enhanced collaboration is emphasized by the appointment of Mark Richer (ATSC’s President) as FOBTV Chairman and Phil Laven (DVB’s Chairman) as FOBTV Vice-Chairman
What will FOBTV do?
GOALS OF FOBTV
• Develop future ecosystem models for terrestrial broadcasting taking into account business, regulatory and technical environments
• Develop requirements for next generation terrestrial broadcast systems
• Foster collaboration of DTV development laboratories
• Recommend major technologies to be used as the basis for new standards
• Request standardization of selected technologies (layers) by appropriate standards development organizations (ATSC, DVB, ARIB, TTA, etc.)
FOBTV
• There is no shortage of ideas in FOBTV– which ones are the most important?
• FOBTV must overcome other challenges:– The “not invented here” syndrome in which
protagonists prefer their own technology over technologies suggested by others
– “IPR stuffing” where participants suggest that a particular technology be included in the specification because their employer has a relevant patent
LOOKING FORWARD
• Continuing pressure on the spectrum means that broadcasters must adopt the most efficient technologies– modulation and coding systems– video compression systems
• Although many countries have still to make the transition to HDTV, some countries are considering the introduction of UHDTV
• We must not miss these opportunities for global standardisation . . .
CONCLUSIONS
• Russia’s adoption of DVB-T2 is absolutely the right decision
• Analogue switch-off will require careful planning– and lots of publicity addressed to consumers
• In the longer term, the next generation of standards for digital TV must be global . . .
• New spectrum-efficient delivery systems must – provide TV services to mobile and portable
devices, such as smart-phones and tablets– meet the demands of SDTV, HDTV and UHDTV
• FOBTV is likely to lead such developments
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