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Digital Broadcasting

Digital Broadcasting. Presentation to the GRSC-1 Ottawa, April 30, 2003 François Conway, Ing. Senior Director, Strategy & Planning, Technology Canadian Broadcasting Corporation (CBC-Radio-Canada). Content. The Future of Digital Broadcasting Digital Radio Broadcasting (DRB) in Canada

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Digital Broadcasting

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  1. Digital Broadcasting Presentation to the GRSC-1 Ottawa, April 30, 2003 François Conway, Ing. Senior Director, Strategy & Planning, Technology Canadian Broadcasting Corporation (CBC-Radio-Canada) GRSC-1, Ottawa, April 30, 2003 - Digital Broadcasting Francois Conway, ing., CBC-Radio-Canada

  2. Content • The Future of Digital Broadcasting • Digital Radio Broadcasting (DRB) in Canada • Digital Television Broadcasting (DTV) in Canada • The Radiofrequency Spectrum • Broadcasters’ Use of Spectrum • Spectrum Issues for Canadian Broadcaster’s • ITU ’s WRC-2003 & Frequency Bands Under Consideration • The Challenge GRSC-1, Ottawa, April 30, 2003 - Digital Broadcasting Francois Conway, ing., CBC-Radio-Canada

  3. DIGITAL RADIO & TV INVESTMENTS OBJECTIVES • Maintain and increase reach of CBC radio and television services • Create high quality digital content that can be delivered on multiple platforms, present and future • Create digital content with added asset and commercial value (HDTV) • Minimize investment risks • Maximize investment value • Strategically position the CBC for the future • Take the appropriate actions to ensure the CBC gets both sufficient and optimal OTA spectrum for its future services. GRSC-1, Ottawa, April 30, 2003 - Digital Broadcasting Francois Conway, ing., CBC-Radio-Canada

  4. DIGITAL RADIO & TV INVESTMENTS OBJECTIVESSTRATEGIC PLAN • Continuous monitoring of the environment and assessment of the impacts of developments on the CBC • Review and adapt CBC strategic plan to respond to the impacts (immediate and anticipated) • Deploy in a phased approach & invest in main production centers and markets first • Keep the pace with Canadian private broadcasters • Exploit the delivery capacity (bit rate of the channel: 1.5 Mbps for DRB and 19.39 Mbps for DTV) and dynamic multiplexing potentials of both DRB and DTV to deliver other types of content and services, including New Media GRSC-1, Ottawa, April 30, 2003 - Digital Broadcasting Francois Conway, ing., CBC-Radio-Canada

  5. Future = Convergence Content and Multiple Delivery Networks Content producers preparing their program elements (video, audio, data and reference) will benefit from this architecture • Digital Multimedia Content • Common content • Common IP based delivery platform • Multiple networks • Multiple terminals Wireless LAN 802.11g GRSC-1, Ottawa, April 30, 2003 - Digital Broadcasting Francois Conway, ing., CBC-Radio-Canada

  6. Digital Radio Broadcasting (DRB) • For DRB, Canada has adopted the international ITU standard based on the ETSI Specification of the Eureka-147 DAB System for use in the worldwide frequency allocation for DRB in the band 1452-1492 MHZ (called L-Band). • This DRB system is based on a multi-carrier wideband transmission system with a nominal bandwidth of 1.536 MHz which allows the broadcasting of 2.304 Mbit/s (roughly 1.2 Mbit/s useful) per channel, and therefore to multiplex together several radio and data services. • In Canada, it was decided to group five radio services per DRB channel. This requires stations to be grouped in pods of five and to share the same transmitting facilities. GRSC-1, Ottawa, April 30, 2003 - Digital Broadcasting Francois Conway, ing., CBC-Radio-Canada

  7. Digital Radio Broadcasting (DRB) • Industry Canada's Allotment Plan for DRB is based on the grouping of 5 radio licences per channel (pod or ensemble). The Plan was designed to group in the same pod the 4 CBC radio services together in each market and to leave the fifth slot in that pod empty, when possible. • CRTC Public Notice 1995-184 confirms that each licence or radio undertaking is entitled to 20% of the channel capacity, i.e 1/5 of the total 2.304 Mbit/s multiplex. • In Toronto, Montreal and Vancouver, CBC is currently licenced for 4 radio services, and is therefore entitled to use 4/5 (or 12/15) of the overall channel capacity. The fifth slot is currently a free allotment. GRSC-1, Ottawa, April 30, 2003 - Digital Broadcasting Francois Conway, ing., CBC-Radio-Canada

  8. GRSC-1, Ottawa, April 30, 2003 - Digital Broadcasting Francois Conway, ing., CBC-Radio-Canada

  9. GRSC-1, Ottawa, April 30, 2003 - Digital Broadcasting Francois Conway, ing., CBC-Radio-Canada

  10. GRSC-1, Ottawa, April 30, 2003 - Digital Broadcasting Francois Conway, ing., CBC-Radio-Canada

  11. Digital Radio Broadcasting (DRB) • As can be observed the DRB transmission system raises some strategy and policy issues of a technology nature: • Appropriate bit rates for the audio of the 4 CBC radio services; • Appropriate bit rates for the programme associated data of the 4 CBC radio services; • Sharing of the bit rates between English Radio and French Radio; • Use of the ancillary bit rates for CBC content versus third party content; • Use of the capacity of the non licenced fifth slot of the DRB Channel occupied by CBC; GRSC-1, Ottawa, April 30, 2003 - Digital Broadcasting Francois Conway, ing., CBC-Radio-Canada

  12. DRB - What’s new in the World? • BBC as launched 5 “DAB only” services • BBC as announced the roll-out of 47 new DAB transmitters in UK, that will cover 85% of the population • Frontier-Silicon to ship 500,000 DAB receiver chips in 2003 • More than 250 DAB stations in UK with >100 in “DAB only” GRSC-1, Ottawa, April 30, 2003 - Digital Broadcasting Francois Conway, ing., CBC-Radio-Canada

  13. Competing Radio Delivery Technologies Y: Compliant P: Potential L: Limited GRSC-1, Ottawa, April 30, 2003 - Digital Broadcasting Francois Conway, ing., CBC-Radio-Canada

  14. Radio Receiving/Access Terminals (in Canada) GRSC-1, Ottawa, April 30, 2003 - Digital Broadcasting Francois Conway, ing., CBC-Radio-Canada

  15. Use of Wireless Networks for Radio DeliveryTypical application: 300 seconds of voice grade quality radio (16 kbps) Total internet downloads worldwide for one day in March 2000: 594,432 Mb GRSC-1, Ottawa, April 30, 2003 - Digital Broadcasting Francois Conway, ing., CBC-Radio-Canada

  16. DRB Roll Out – Why? • Position radio into the future: • Teenagers are loosing interest in radio, gaining interest in digital medium • DRB can protect the local nature of radio vs DARS and Internet • Create a digital platform for datacasting to mobile users: • No existing technology can do as good as DRB • DRB needs new program, not simulcast • Korean community radio listeners’ in Toronto already pay 200$ for an SCMO receivers, DRB receivers are 220$ GRSC-1, Ottawa, April 30, 2003 - Digital Broadcasting Francois Conway, ing., CBC-Radio-Canada

  17. DRB/DAB Receivers • Since the introduction of the integrated chipset in late 2001, many new and cheap receivers have been released • In UK • Receivers often sell for less than 100£ • The 100,000 mark has been past in May 2002 • Emerging markets: Korea, Taiwan, France and Germany? (just approved the politics) • In Canada • Zoopad (Canadian Cie) are launching their portable MP3/DAB receiver • Radio Shack is carrying more than 8 receivers (including one from Korea), starting in November 2002 • The computer cards are expected to be less than CAN$200 GRSC-1, Ottawa, April 30, 2003 - Digital Broadcasting Francois Conway, ing., CBC-Radio-Canada

  18. For sale at Radio Shack GRSC-1, Ottawa, April 30, 2003 - Digital Broadcasting Francois Conway, ing., CBC-Radio-Canada

  19. If we wait... • Television is exploding with multiple new digital services on cable and satellite (“Multi-Channel Universe”) • Listeners are expecting that from new media • The only way radio may do the same is via DRB/DAB • New codec allow for MPEG-ACC back compatible with Musicam! (so existing receivers can decode) GRSC-1, Ottawa, April 30, 2003 - Digital Broadcasting Francois Conway, ing., CBC-Radio-Canada

  20. Digital Radio “Made in USA” (IBOC) • At best, IBOC will be able to deliver a near-CD quality simulcast (only) of their analog FM, with 2 kbit/s of data • At best, IBOC insertion will be imperceptible into the analog host for 90% of the people while listening to rock or pop • IBOC requires that the analog FM is delayed from 3 to 10 seconds to cope with the “graceful” digital degradation • Overall, what does a listener will get from IBOC? • Radiotext plus some audio quality improvement GRSC-1, Ottawa, April 30, 2003 - Digital Broadcasting Francois Conway, ing., CBC-Radio-Canada

  21. Satellite Radio (USA DARS) • XM Radio has 100,000 subscribers • XM and Sirius Radio technology requires urban re-transmitters • XM and Sirius Radio provides national services only, single beam GRSC-1, Ottawa, April 30, 2003 - Digital Broadcasting Francois Conway, ing., CBC-Radio-Canada

  22. Current BBC Multiplex Values in Kbps GRSC-1, Ottawa, April 30, 2003 - Digital Broadcasting Francois Conway, ing., CBC-Radio-Canada

  23. DRB - What’s new in Canada? • The CRTC has recently approved the first stand alone DAB station in Canada • CRTC Decision 2003-118 • Sur Sugar Radio Inc. • Ethnic Radio with more than 80% of non-English nor French programming • The Commission confirmed that it will adopt a case-by-case approach in its consideration of applications for new digital radio undertaking GRSC-1, Ottawa, April 30, 2003 - Digital Broadcasting Francois Conway, ing., CBC-Radio-Canada

  24. Current CBC Multiplex Values in Kbps GRSC-1, Ottawa, April 30, 2003 - Digital Broadcasting Francois Conway, ing., CBC-Radio-Canada

  25. CBC Strategies for DRB • Solidify the existing coverage • Creating new and attractive services using existing content • Operation cost kept to minimal • Very low integration costs • Seeking partnership for new media initiatives • Ensuring that the new media and analog radio services will benefit from any new projects • Example: Surround sound production can be re-use on ExpressVu radio services. DLS information can be re-use for FM-RBDS. GRSC-1, Ottawa, April 30, 2003 - Digital Broadcasting Francois Conway, ing., CBC-Radio-Canada

  26. Proposed CBC Multiplex Values in Kbps GRSC-1, Ottawa, April 30, 2003 - Digital Broadcasting Francois Conway, ing., CBC-Radio-Canada

  27. New DAB Projects (2) • Datacasting Access Point (Kiosk) • With the help of a third party provider, broadcast IP content over DRB into stand-alone kiosk • These kiosks will display CBC web sites information + other proprietary information (rebates in shopping malls, air flight schedules in airports) and will be Wi-Fi enable • Someone sitting with a Wi-Fi enable device nearby a kiosk will be able to browse the cached information (refresh rate: around 1 GB a day) or listen to the radio via WMP streaming GRSC-1, Ottawa, April 30, 2003 - Digital Broadcasting Francois Conway, ing., CBC-Radio-Canada

  28. New DAB Project (3) • DRB Pro-logic surround production and drama • The DRB high-fidelity transmission allows for perfect pro-logic signal reconstitution • Most of the radio recording equipment is already “surround-ready” • These recorded programs can played back on different platforms (FM, DRB, CD, BDU, DTV-audio sub-channels) GRSC-1, Ottawa, April 30, 2003 - Digital Broadcasting Francois Conway, ing., CBC-Radio-Canada

  29. New DAB Project (4) • Apply for Radio 3 / Bande-à-part • Production costs are already covered by New Media (some minimal work might be required to create the DAB program) • Need to apply to CRTC for DRB licenses GRSC-1, Ottawa, April 30, 2003 - Digital Broadcasting Francois Conway, ing., CBC-Radio-Canada

  30. New DAB Project (5) • Build a pool of receiver for test / demonstrations in Toronto and Vancouver • Use cbc.ca and radio-canada.ca Website information to feed the DLS encoders of all DRB stations • Add conformity of transferred information (promote XML exchanges for cross-platforms) • Transmit Web Pages on DRB Data Channels to PCs and other Terminals (PDAs, PCS Phones and TV sets equipped DRB PC Cards GRSC-1, Ottawa, April 30, 2003 - Digital Broadcasting Francois Conway, ing., CBC-Radio-Canada

  31. New DAB Project (6) • Solidifying the existing coverage and upgrading deficient in Toronto, Montreal, Vancouver and Windsor. • CBC DRB is on the air in Ottawa. GRSC-1, Ottawa, April 30, 2003 - Digital Broadcasting Francois Conway, ing., CBC-Radio-Canada

  32. New DAB Production Projects • DRB Audio Sub-channels • Compile and re-use News bulletin, Weather report and Traffic report and broadcast them on a sub-channel, during Morning and End of Day Commuting Programmes • Other Benefits: New media can offer these streams on their web sites GRSC-1, Ottawa, April 30, 2003 - Digital Broadcasting Francois Conway, ing., CBC-Radio-Canada

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