Manuale d’uso / di manutenzione del prodotto NAB-2007 del fabbricante JVC
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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.
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 ……….
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.
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.
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 t.
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.
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.
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.
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.
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.
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: I.
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.
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.
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.
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 Repor.
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 l.
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-.
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.
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 exist.
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.
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 Flexibili.
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.
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.
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 works.
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.
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 enclos.
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 .
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.
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 ju.
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 subst.
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.
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.
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, J.
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 .
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.
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.
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.
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 l.
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.
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.
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.
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.
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.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il JVC NAB-2007 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del JVC NAB-2007 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso JVC NAB-2007 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul JVC NAB-2007 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il JVC NAB-2007, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del JVC NAB-2007.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il JVC NAB-2007. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo JVC NAB-2007 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
