Transition from Analogue Television Broadcasting to DTV Hiroshi Seno Reception Engineering Center TV Service Overview and Schedule for DTV Household Penetration of Digital TV Digital TV Receiver Trend Forms of TV Reception Digitization of CATV - Large-scale Cable TV networks - Condominiums Penetration promotion activities cooperating with the related industries and parties Conclusion Contents -1 -
TV Service Overview and Schedule for DTV -2 - TV Services Overview Analog Terrestrial Digital BS Digital Terrestrial Launch Feb. 1953 Analog BS Jun. 1989 Dec. 2000 Dec. 2003 Services HDTV, SDTV, Data, Radio HDTV, SDTV, Data Penetration SDTV, Teletext 100% HDTV, SDTV, Teletext 36% 14% 5% Number of households 48 million TV receiver 120 million VCR 50 million -3 -
Schedule for DTV Analog HDTV (MUSE) 2007 Satellite TV 2011 Analog SDTV (NTSC) Digital HDTV & SDTV 2000 Terrestrial TV Analog SDTV (NTSC) 2003 (Tokyo, Osaka Nagoya) Digital 2006 (Other Areas) 2011-4 - Complete Transition to Digital Analog Satellite HDTV: 2007 Analog Satellite SDTV: 2011 Analog Terrestrial TV: 2011-5 -
Objectives for Penetration of DTTB 50 Final Goal Total number of penetration (million) 40 30 20 10 10 million at World Cup 24 million at Olympic Game 2003 2004 2005 2006 2007 2008 2009 2010 2011-6 - Household Penetration of Digital TV -7 -
DTV Penetration Progress As of Sep.2004 Total Number of Subscribers(Million) 8 7 6 5 4 3 2 1 0 Jul.2000 Jan.2001 Jul.2001 Jan.2002 Jul.2002 6.8million BS Digital Subscribers (including Cable) 4.8million BS Digital Receivers Terrestrial Digital Receivers Jan.2003 Jul.2003 Jan.2004 2.1million Jul.2004-8 - Digital Receiver Shipment Montly Shipment (thousans) 200 180 160 140 120 100 80 60 40 20 0 Jul. Aug. Sep. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. 2003 2004-9 -
Digital STB for CATV Shipment Montly Shipment (thousans) 100 90 80 70 60 50 40 30 20 10 0 Jul. Aug. Sep. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. 2003 2004-10 - Digital TV Receiver Trend - 11 -
TV Receiver Trends All Digital HDTV Compatible Broadcasting Satellite Terrestrial Communications Satellite Flat Panel LAN Compatible - 12 - Digital Receivers (As of Oct. 2004) Manufacturers Models CRT 7 29 (28 to 36 inch) PDP 7 48 (32 to 61 inch) LCD 7 55 (23 to 45 inch) STB 11 14 STB (for CATV) 8 14-13 -
Production increase schedule of PDP 2004 2005 2007 PDP 2.8 million 4 million 8.6 million - 14 - Forms of TV Reception - 15 -
Forms of Terrestrial Reception Individual 43% Cable 57% Small CATV 13% Large-scale CATV 26% Individual Antenna 43% Individual 43% Cable 57% Condominiums Group Antenna 18% Rate of Households - 16 - Forms of BS Reception Cable 40% Small CATV 4% Individual 60% Individual 60% Cable 40% Large-scale CATV 27% Condominiums Group Antenna 9% Individual Dish Antenna 60% Rate of Households - 17 -
Digitization of CATV (Large-scale Cable TV) - 18 - Digital Reception via Cables Broadcasting 放 送 衛 星 Satellite Transmission Antenna 送 信 アンテナ PSK 変 調 Modulation TS Coding 符 号 化 Video, Audio 映 像 音 声 等 Data BS-IF 信 号 (PSK 変 調 ) 変 調 形 式 変 換 方 式 の 例 Trans-Modulation for CATV ( 通 称 :トランスモジュレーション digital retransmission 方 式 ) Receiving 受 信 アンテナ Dish BS BSヘッドエンド Head-End PSK 変 調 to 変 換 QAM 器 Conversion PSK QAM OFDM to QAM Conversion CATV line (64QAM, Multiple TS) CATV 線 路 64QAM 複 数 TS 変 調 CATV Cable 用 STB STB B-CAS ICカード Card AV 信 号 テレビ TV 受 Set 信 機 Satellite Broadcasting BSデジタル 送 Station 信 局 CATV CATV Station 局 CATV ケーブル Subscriber 加 入 者 - 19 -
Digital Head-end end for Cable TV Trans-Modulation Head-End Pass-Through Head-End - 20 - BS Digital Suscribers via Cables Number of Households: As of Sep. 2004 Retransmission System Coverage Subscribers Trans-Modulation 14.6 million 72.9 thousand Pass-Through 0.2 million 1 thousand NTSC Conversion 3.8 million 1.9 million Digital Retransmission Analog Retransmission - 21 -
Terrestrial Digital Penetration via Cables Number of Households: As of Sep. 2004 Kanto (Tokyo) Cyukyo (Nagoya) Kinki (Osaka) Retransmission System Trans-Modulation Pass-Through & Trans-Modulation Trans-Modulation Pass-Through & Trans-Modulation Trans-Modulation Pass-Through & Trans-Modulation Coverage 3.5 million 0.4 million 0.5 million 1.1 million 1.0 million 1.1 million 7.1 million - 22 - Digitization of CATV (Condominiums) - 23 -
Reception System Upgrade for Condominiums Coaxial Cable BS Ant. UHF Ant. VHF Ant. UHF/VHF Booster BS Booster BS/UV Mixer UHF/VHF to BS-IF/UHF/VHF System upgrade details TV Outlet Directional Coupler No modifications needed Shall be added Shall be replaced with BS-compatible units - 24 - System Upgrade Progress Households(Million) 12 10 8 6 4 2 0 Mar- 99 BS-IF Upgrade Progression of the Condominium TV Reception Systems Sep- 99 Mar- 00 Sep- 00 Mar- 01 Sep- 01 Mar- 02 Sep- 02 Mar- 03 Sep- 03 Mar- 04 Sep- 04 BS Compatible Terrestrial Only - 25 -
Penetration Promotion activities - 26 - Cooperation with Related Parties Consumer Electronic Manufacturer Wholesalers, Retailers Local Government authorities Building Construction Industry - 27 -
Technology Workshop In In each year, more than 50 50 thousand electronics retailer technicians attend NHK s broadcasting reception technology courses --Latest trend of of digital Broadcasting --Technical know-how of of digital reception - 28 - Conclusion Japan s s digital TV services are steadily gaining popularity More than 2 million/year subscriber increase The complete transition to digital television broadcasting is a great challenge For the historical digital transition, Japanese broadcasters are closely tying up with all the related parties - 29 -