ページ1に含まれる内容の要旨
JVC Professional APRIL 2007 NAB-2007 The ProHD Report
THE REPORT
The future of HD ENG …
… delivered today.
Live Remotes
First-to-Air
High HD Quality
Operational
Flexibility
News Archive
http://pro.jvc.com
Very Affordable
This Report, promoting JVC’s highly cost effective ProHD
ENG acquisition format, is directed towards:
TV Station General Managers
News Directors
Engineering Directo
ページ2に含まれる内容の要旨
JVC Professional APRIL 2007 NAB-2007 The ProHD Report Table of Content Page The Future of HD ENG …………………....……… 3 The New Economy of Local News ……….…... 4 The Demographics of HD Audiences …….….. 6 Value of demographic segments ………………..….... 6 News Delivery in SD & HD ……………….…..… 7 The NTSC Transmitter Chain vs. ATSC ………........ 7 Home Presentation vs. Audience Share …………….. 7 The Reality of
ページ3に含まれる内容の要旨
JVC Professional APRIL 2007 NAB-2007 The ProHD Report The Future of HD ENG … is now Local, national, and worldwide television news must have the capability to go live on the air with the late-breaking news, with live pictures from the remote site, and, when appropriate, live interviews between the news anchors and the field reporters. Whether from ENG helicopter, ENG van, handheld or shoulder-carried, instant wired or wire
ページ4に含まれる内容の要旨
JVC Professional APRIL 2007 NAB-2007 The ProHD Report The objective of this Report is to give the reader, whether in engineering, news, production or executive management, a solid foundation upon which to make the best decisions in the transition from SD to HD ENG news. You want higher audience share for your newscasts, because that is the way to higher profitability. And, similarly, you want lower cost of investment
ページ5に含まれる内容の要旨
JVC Professional APRIL 2007 NAB-2007 The ProHD Report With the new economic realities in local news, where perhaps total audience has been declining and ad dollars are being shared with other forms of commercial delivery to the home, your station must explore all seemingly viable HD news technology options, where the immediate and long term goals are optimum ROI and profitability. And don’t forget flexibility: If your stati
ページ6に含まれる内容の要旨
JVC Professional APRIL 2007 NAB-2007 The ProHD Report The Demographics of HD Audiences To the TV Station GM, pretty pictures are nice but does not necessarily drive audience share and commercial demand. Numbers are needed, to convince top management that HD news investments are an essential strategy for market growth. A number of surveys have been conducted in 2006, with some very powerful market data and desirable demogra
ページ7に含まれる内容の要旨
JVC Professional APRIL 2007 NAB-2007 The ProHD Report News Delivery in SD & HD The NTSC Transmitter Chain vs. ATSC: When we look at the direct over-the-air TV transmission from a TV station, we know that the analog NTSC transmission chain is the major limiting factor in the picture quality delivered to the home, all other quality factors of the (SD) viewing chain being of optimal (SD digital) quality. H Resolution V
ページ8に含まれる内容の要旨
JVC Professional APRIL 2007 NAB-2007 The ProHD Report Let’s use some round numbers to illustrate the audience share opportunity: By end of 2007, approx. 45% of all TV households will have HDTV capability, growing to over 90% of all TV households at the end of 2010. We use the following simplistic assumptions: Major local market offers 5 TV stations with major newscasts All stations
ページ9に含まれる内容の要旨
JVC Professional APRIL 2007 NAB-2007 The ProHD Report The Reality of the Wide Screen The SD (NTSC) standard aspect ratio is 4:3 (1.33:1) while the HD (ATSC) aspect ratio is 16:9 (1.78:1), presenting a formidable challenge to broadcasters as they must maintain delivery to viewers of 4:3 services while transitioning to HD providing 16:9 wide screen service. Screen Viewing Area comparison between SD 4:3 and HD 16:9 at equal P
ページ10に含まれる内容の要旨
JVC Professional APRIL 2007 NAB-2007 The ProHD Report The Reality of 6x the Image Resolution The SD digital video frame of 720x480 equals about 340,000 pixels, while the HD frame of 1920x1080 equals about 2,074,000 pixels, a multiple of about 6. We can introduce the old Kell factor for viewing of interlaced TV signals, where, depending on program material (fast or slow motion, much or little detail, bright or dim scenes), Ke
ページ11に含まれる内容の要旨
JVC Professional APRIL 2007 NAB-2007 The ProHD Report The real selling point of HDTV is now obvious to all of us: It is the much larger TV screen and the ability to reduce the viewing distance, resulting in the home audience’ ability to immerse themselves in the TV viewing experience. And the optimum home display format for TV broadcast seems to be 1280x720p60. The HDTV for the masses (Home Audience) In 2006, the avera
ページ12に含まれる内容の要旨
JVC Professional APRIL 2007 NAB-2007 The ProHD Report Forecasters recently have projected that about 35% of all HDTVs sold worldwide in 2010 will be 1080p models, and implying that the percentages in the years leading up to 2010 obviously are less. Let’s project that, of an installed base of 100 million HDTVs in the US by 2010, about 25% will be native 1080p HDTVs and about 75% will be native 720p. It’s a HDTV selling p
ページ13に含まれる内容の要旨
JVC Professional APRIL 2007 NAB-2007 The ProHD Report The EBU and BBC testing and considerations: In 2004, EBU recommended the use of progressive scanning throughout the acquisition and delivery chain. There was one overriding logical fact driving this decision: CCD and CMOS imagers are progressive devices (although we can electrically operate them in interlaced mode) and all future consumer displays will be of native prog
ページ14に含まれる内容の要旨
JVC Professional APRIL 2007 NAB-2007 The ProHD Report TV News Studio Live On the Air GY-HD250U In Studio Configuration HD-SDI Master ATSC Encode DTV Home RX Control 19.39 Mbps TX STB or Built-in Fig. 2. Local HDTV News can bring the highest image quality of any delivery system to the home audience. The ONLY lossy stage from the live HD camera output to the home HD display input is the ATSC codec pro
ページ15に含まれる内容の要旨
JVC Professional APRIL 2007 NAB-2007 The ProHD Report Winning more viewers … with ProHD The purpose of this Report is to expose the virtues of ProHD, a highly cost effective HD ENG camcorder and acquisition system, enabling any TV station to quickly and professionally convert a current ENG work flow to HD ENG. The name of the game for TV stations is winning more viewers. And for most stations, that means getting more eye
ページ16に含まれる内容の要旨
JVC Professional APRIL 2007 NAB-2007 The ProHD Report Native ATSC Approx US HD Camcorder IMAGER list price Comments Model acquisition without lens JVC ProHD 1280x720p60 $ 7,995 Shipping now GY-HD200U JVC ProHD 1280x720p60 $ 9,995 Shipping now GY-HD250U Grass Valley 1920x1080i60 $23,000 Shipping Summer 2007 Infinity DMC Panasonic P2HD 1280x720p60 $30,000 AVC-I shipping Summer 2007. AJ-HPX2000 Ikegami 1280x720p60 N
ページ17に含まれる内容の要旨
JVC Professional APRIL 2007 NAB-2007 The ProHD Report But new digital microwave technology often utilizes COFDM multi-carrier transmitter, which enables non-line-of-sight links (multi-path) in metro areas and in special events coverage, coupled with a QAM modulation scheme. Cable television is using 64-QAM and 256-QAM on single carriers to pack hundreds of SD TV channels (and some HD channels) on one coaxial cable. The high
ページ18に含まれる内容の要旨
JVC Professional APRIL 2007 NAB-2007 The ProHD Report Max Bit Max Bit Max Bit Carrier- MODULATION Rate Rate Rate to-Noise 25MHz 12MHz 8MHz Threshold QPSK 32 Mbps 17 Mbps 10 Mbps 10dB 16-QAM 64 Mbps 30 Mbps 21 Mbps 17dB 64-QAM 65 Mbps 46 Mbps 31 Mbps 23dB Fig. 5. Table shows approx. max bitrates for microwave channels with 25, 12 and 8MHz bandwidth, using COFDM and QPSK/QAM modulation schemes. 2GHz BAS relocation provi
ページ19に含まれる内容の要旨
JVC Professional APRIL 2007 NAB-2007 The ProHD Report Can you use your existing ENG analog microwave? If your existing ENG Van microwave transmitter is of the analog FM modulated kind, you may be able to use it for HD ENG by adding a digital-to-analog transcoder unit with ASI input and baseband output to existing ENG analog transmitter. Nucomm offers the “Analog Coder System” consisting of a modulator for the ENG Van and a de
ページ20に含まれる内容の要旨
JVC Professional APRIL 2007 NAB-2007 The ProHD Report JVC GY-HD250U Diversity Whip Antennas IEEE-1394 (MPEG-2 TS ProHD Microwave Microwave TX 20Mbps) Camera-back TX & Modulator BMS ASI Input Diversity Whip ASI Output Antenna Inputs MICROWAVE BMS Microwave WIRELESS Diversity RX Fig. 7. You just saved $30,000 again (typical HD encoder cost for the ENG Van) by using the built-in HD Super Encoder in the ProHD ca
