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JVC NAB-2007 manual

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Table of contents for the manual

  • Page 1

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 1 of 43 REPORT The f uture of HD ENG … … delivered today. This Report, promoting JVC’s highly cost effective ProHD ENG acquisition format, is directed towards:  TV Station General Managers  News Directors [...]

  • Page 2

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 2 of 43 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 …?[...]

  • Page 3

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 3 of 43 The Future of HD ENG … is now Local, national, and worldwide television news must have the capa bility to go live on the air with the late-breaking news, with live pictures from the remote site, and, when appro[...]

  • Page 4

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 4 of 43 The objective of this Report is to give the reader, whether in engineering, ne ws, production or executive management, a solid foundation upon which to make the best decisions in the transition from SD to HD ENG [...]

  • Page 5

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 5 of 43 With the new economic realities in local news, where perhaps total audience has been declining and ad dollars are being shared with other form s of commercial delivery to the home, your station must explore all s[...]

  • Page 6

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 6 of 43 The Demographics of HD Audiences To the TV Station GM, pretty pictures are nice but does not necessarily drive audience share and commercial demand. Nu m bers are needed, to convince top management that HD news i[...]

  • Page 7

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 7 of 43 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 lim iting [...]

  • Page 8

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 8 of 43 Let’s use some round numbers to illu strate the audien ce 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 20[...]

  • Page 9

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 9 of 43 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 delive[...]

  • Page 10

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 10 of 43 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 m ultiple of about 6. W e can introduce [...]

  • Page 11

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 11 of 43 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 [...]

  • Page 12

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 12 of 43 Forecasters recently have projected that about 35% of all HDTVs sold worldwide in 2010 will be 1080p models, and im plying that the percentages in the years leading up to 2010 obviously are less. Let’s project[...]

  • Page 13

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 13 of 43 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: CC[...]

  • Page 14

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 14 of 43 Master Control ATSC Encode 19.39 Mbps DTV TX Home RX STB or Built-in TV News Studio Live On the Air GY-HD250U In Studio Configuration HD-SDI Fig. 2. Local HDTV News can bring the highest image quality of any del[...]

  • Page 15

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 15 of 43 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 , en abling any TV station to quickly and profess[...]

  • Page 16

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 16 of 43 HD Camcorder Model Native ATSC IMAGER acquisition Approx US list price without lens Comments JVC ProHD GY-HD200U 1280x720p60 $ 7,995 Shipping now JVC ProHD GY-HD250U 1280x720p60 $ 9,995 Shipping now Grass Valley[...]

  • Page 17

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 17 of 43 JVC ProHD Camcorder with BMS cost effective Microwave Camera-back But new digital microwave technolo gy often utilizes COFDM multi-carrier transmitter, which enables non-line-of-sight links (m ulti-path) in metr[...]

  • Page 18

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 18 of 43 MODULATION Max Bit Rate 25MHz Max Bit Rate 12MHz Max Bit Rate 8MHz Carrier- to-Noise 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. Ta[...]

  • Page 19

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 19 of 43 Can you use your existing ENG analog microwave? If your existing ENG Van microwave transmitter is of the analog FM modulated kind, you m ay be able to use it for HD ENG by adding a digital-to-anal og transcoder [...]

  • Page 20

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 20 of 43 Fig. 7. You just saved $30,000 again (ty pical HD encoder cost for the ENG Van) by using the built-in HD Super Encoder in the ProHD camcorder. The highly cost effect ive BMS camera-ba ck TX unit does not include[...]

  • Page 21

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 21 of 43 ProHD GY-HD250U Camcorder with DR-HD100 Operational Flexibility = Dire ct-to-Edit / Direct-to-Air The ProHD ENG system provides exceptional flexibility in work flow, in the ENG Van and in the TV station news ope[...]

  • Page 22

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 22 of 43 Let’s take a closer look at the w ork flow options inside the ENG Van: Fig. 9. Live-to-Air is at the core of the ProHD ENG sy stem, utilizing either wired coax or wireless microw ave to the ENG Van, and of cou[...]

  • Page 23

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 23 of 43 The ingest of ProHD from the field is uncomplicated, whether attaching field hardware or by wireless microwave, a nd whether going direct -to-air, to news department edit bays or to archive. Let’s take a close[...]

  • Page 24

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 24 of 43 Grass Valley Canopus EDIUS HD Laptop Editor (or desktop workstation) HD-SDI HD-SDI Apple MAC Final Cut Pro w/ AJA Kona HD Card RS-422 AVID NewsCutter Adrenaline HD-SDI RS-422 1394 TS 1394 TS 1394 TS ASI Converge[...]

  • Page 25

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 25 of 43 File-based work flow inside the News Automation Server System. O nce your 20Mbps ProHD news clips are delivered to th e TV station and ingested into the news servers and NLE workstations, the Pro HD ENG system h[...]

  • Page 26

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 26 of 43 ProHD GY-HD250U Camcorder (handle removed) in TrollCam enclosure TrollCam HD Remote Control Unit Remote POV applications = ProHD for all season s More and more, remote TV cameras are an important part of local n[...]

  • Page 27

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 27 of 43 WiMAX & Fiber IP – Broadband Backhaul for HD ENG WiMAX wireless broadba nd is (almost) here WiMAX is a new wireless digital communi cations system intended for wireless "metropolitan area networks&quo[...]

  • Page 28

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 28 of 43 Is WiMAX suitable for HD ENG? Most certainly, but there are many issues to be covered before the WiMAX backhaul becom es an every-day event. The bottom line question is the required bitr ate for the backhaul, an[...]

  • Page 29

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 29 of 43 The TV station can lease a dedicated fibe r connection and just use a fiber line transmitter and rece iver, or, in the event of m ultiple POV cameras (traffic cam s) and multiple fixed ENG Van connection points [...]

  • Page 30

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 30 of 43 Microwave, WiMAX or Fiber IP? The potential savings are substantial if a TV Station can eliminate (or greatly reduce) the use of ENG Vans with link-to-studio mi crowave, perhaps replacing the majority of ENG Van[...]

  • Page 31

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 31 of 43 Legacy vs. new HD CODECs Legacy HD CODECs are 10+ years old Sony’s HDCAM camcorder was first delive red in the US in 1997, while the first DVCPRO-HD camcorder was delivered in 2000. Together, these two formats[...]

  • Page 32

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 32 of 43 Fig. 17. DVCPRO-HD comes in both 10 80i and 720p flavors. Both formats reduce the bandwidth signifi cantl y prior to compression. This diagram shows the 1280x720p60 mode, where luminance bandwi dth is reduced to[...]

  • Page 33

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 33 of 43 JVC’s ProHD came out of the HDV MPEG-2 consortium (Canon, JVC, Sharp, Sony) but, of the four, only JVC elected to concentrate on fu ll bandwidth native acquisition, recording and transport by choosing the 1280[...]

  • Page 34

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 34 of 43 Panasonic HPX500 2/3-inch 3CCD • Native imager acquisition 960x640p60 plus 2-dimensional pixel shift/offset • DVCPRO-HD recording of 1280x1080i60 max resolution • DVCPRO-HD recording of 960x720p60 max reso[...]

  • Page 35

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 35 of 43 The HD delivery method is ATSC OTA or QAM CATV, both being relatively equal in full bandwidth quality at their higher bitrat es. (I.e. the use of sufficient bits in the 19.4 ATSC transmission for the primary HD [...]

  • Page 36

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 36 of 43 Fig. 19. The graph shows that the full HD quality of the ATSC transmission really only takes advantage of about 50% of the total available Pixels/Second in a RGB na tive 1280x720p60 display. It really confirms t[...]

  • Page 37

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 37 of 43 Comparing with ProHD, the total pix els/sec is the same, but DVCPRO-HD luminance falls short of the 55 m illion luminance pixel/sec of the ATSC, while the chrominance pixel/sec at 41.5 millio n is si gnificantly[...]

  • Page 38

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 38 of 43 Lenses for HD ENG Professional ENG requires interchangeable lenses The SD 4:3 experience is that the averag e ENG shoot requires a mild wide angle lens, however, distant action may require a relatively powerful [...]

  • Page 39

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 39 of 43 SD lenses on HD camcorders? TV stations generally own large quantities of SD lenses, som e even purchased recently. However, most of these lenses are ½ -inch and 2/3-inch, and thus require lens adaptors to fit [...]

  • Page 40

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 40 of 43 Using a 2/3-inch lens (with a native min focal length of 5mm ) with the 1/3-in ch adaptor increases the focal length by a factor of 1.97 to 10mm, producing a horizontal angle of view of approx. 27 de grees, whic[...]

  • Page 41

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 41 of 43 The GY-HD250U HD ENG Camcorder JVC's new GY-HD250U is a full reso lution HD progressive camcorder designed from the ground up as a professi onal unit. Building on the unique JVC "compact shoulder"[...]

  • Page 42

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 42 of 43 Fig. 24. Using the optional studio adapter (KA-HD250U), the HD250U can successfully serve as a professional HD studio camera, delivering full bandwidth over the HD-SDI output. Remote control capability is provid[...]

  • Page 43

    JVC Professional APRIL 2007 NAB-2007 The ProHD Report Copyright 2007 JVC Professional Produc ts Compan y All rights reserved Page 43 of 43 JVC ProHD GY-HD250U Camcorder System Options[...]