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Nl I Ug Serial L Digital Facilities BRODCSTAn INTERTEC' Publication August 1994/$5.00 en Digital audio workstations Audio processing DAT recorders Intercom systems .. fea u nl i ug seriall digital facilities www.americanradiohistory.com DID YOU SAY ODETICS DISK SYSTEMS? The CacheMachine`" From Odetics. The Automated On -Air System for Today and Tomorrow. You've heard lots of promises about play -to -air How is this possible? Because the Odetics disk systems. But only Odetics, a world leader in CacheMachine uses a technique called disk on -air presentation, gives you the first real -world caching to maintain your valuable commercials disk solution for today's television station. With a on archive tape in an uncompressed format for a new system called the CacheMachine. fraction of the cost of archiving them on disk. The CacheMachine overcomes the barriers to Then the spots are automatically loaded into a successful on -air play from disk - without disk recorder, which later plays them to air on forcing you to go backward in station one or two channels - with all the speed and automation. It allows you to play programs as flexibility that disk provides. well as commercials automatically and cost Experts agree the CacheMachine is today's effectively. It provides support for multiple only real -world disk automation solution. But channels from a single system. there's not enough space here You don't have to abandon your to tell you all its great benefits. present technology or change One thing's for sure. You can't your format. And you don't afford to make a decision or need a crystal ball to tell you an assumption about on -air which data compression format automation until you talk to will become standard. Odetics. Director of Sales Northeast Southeast West North Central South Central Bill Keegan Ray Baldock Emerson Ray Odetics Chuck Martin Bill Boyd David Scally (714) 774-2200 (201) 305-0549 (813) 960-0853 Broadcast (818) 999-9796 (612) 894-2121 (404) 917-9506 O Otleucs 1994 BD7654 Circle (1) on Reply Card www.americanradiohistory.com $35,000 gets you the biggest bargain in graphics Paintbox" is the closest thing you can ready to work straight out of the get to a cast iron guarantee of crate. So payback starts immediately. success in television graphics. And $35k is all you need for The one that will grow and grow. the best, most prolific graphics With Paintbox Options, there's also system in the world. the power to grow - the way you want,' If you're a facilities house, it's when you want - right up to a system your ticket to massive productivity and that will multilayer graphics over live sheer client appeal: and the more and profitable graphics system in the action and offer true 3D image work speeding through your graphics business. manipulation. system, the more money you make. And what's more, the latest Whatever configuration you If you're a broadcaster, it will give technology, developed exclusively you the most creative and professional by Quantel, brings the power of look in television and boost design Paintbox within the reach of more department efficiency too. budgets than ever before. choose, it all adds up to The one that's a profitable deal; requested by name. not only for today, Designers choose Paintbox because but for years and years to nothing else offers the speed, come. That's no hype: ask creativity and control they demand. any one of the thousands who've Ask them. already bought into Paintbox. Clients love it too, because it delivers: if you're in post production, The one to invest in. The one that sets the standard. you can bank on a big, and growing, Paintbox is an investment - in your Paintbox dominates the industry it market. future. And right now, for 535,000, helped to create: an industry in which And the beauty is, as a complete the system you really need is the it has held pole position for over a and integrated system Paintbox is system you really can afford. decade. And the machine that has So, if you want a real bargain, a literally changed the face of television system that helps you make and save presentation continues to get better all money, not waste it, then take a the time. closer look at Paintbox - the best Dedicated technology and on -going graphics system in the world. product development ensure that Paintbox is, and always will be, the fastest, smoothest, most creative PAIVOX®B OPTIONS Lid QUANTEL Quantel Inc. 85 Old Kings Highway North. Darien, CT 06820. Tel: (203) 656 3100, Fax: (203) 656 3459 Circle (4) on Reply Card www.americanradiohistory.com Contents August 1994 Volume 36 Number 8 BRoaDcasT enGineeRinG . -- Ilia . .tt ,J -Iiu MOW aftillata - Page 20 Page .7' Poke 49 AUDIO PRODUCTION SYSTEMS: THIS MONTH... Today's digital editing systems make razor blade editing as obsolete as 78rpm records. Audio technology also is more affordable and feature laden than ever before. This 20 Selecting a DAW issue looks at some of the exciting develop- ments in audio systems. By Dave Hams Searching for the perfect DAW requires a special discipline. DEPARTMENTS: 8 FCC Update 26 Audio Processing for Broadcast Production Regulatory Fee Update By Curtis Chan 10 TV Strictly Audio processing in the production studio has come a long way lately. A Look at 8-VSB (Part 1) 12 Management Equipment Acquisition (Part 2) 34 Advances in DAT Recorders 14 Production By Curtis Chan Production Test Equipment New DAT features make the format even more attractive to broadcasters. (Part 1) 16 Troubleshooting Industrial Computers (Par' 2) 42 Intercoms 18 Technology News By Bob Cohen Real-Time Image Retrieval, Today's high -tech systems are computer -based. Analysis and Backup 60 Re: Radio Tubes in Review 49 Building Serial Digital Facilities 61 Transmission Technology By John Luff Tower Maintenance The question is, how much trouble are we about to be in? 64 SBE Update SBE Industry Relations 65 New Products 60 "Radio in Transition:" Audio Distribution By David Bytheway COLUMNS: Digital audio distribution is far more complex than its analog equivalent. 4 News 6 Editorial 73 Classifieds 76 Advertisers' Index ON THE COVER: Cover design by Christopher Irwin, Dolby Laboratories. 2 Broadcast Engineering August 1994 www.americanradiohistory.com Get Ready Digital video is here. Now! signal quality, but did you you money. But who can systems design and Are you ready to take know it provides you with you trust to put you on the installation. All over the advantage of the technical new avenues to be more right path? Harris Allied's world. In all formats. So, if benefits digital has to offer? competitive, to make more experience allows us to you have any questions on More important, are you money? be the leader in this how digital technology prepared to take advantage But pathways abound. developing technology. can help, technically or of the financial benefits? Parallel or Serial; And with over 70 years of financially, call us. Digital technology is not Component or composite; broadcast experience, we And get ready. just a good engineering Imbedded or Discrete; know what it takes to get 7920 Kentucky Drive choice, it's a good business Compressed or Non - the job done. Florence, KY 41042 USA decision. You know digital compressed. Take the Harris has a proven 606- 282 -4800 video gives you the highest wrong path, and it can cost track record in digital Fax: 606 -283 -2818 GOALLIED- HARRIS ©1994 Harns Corp. Circle (5) on Reply Card www.americanradiohistory.com BROaDcaslnGT enGleeR EDITORIAL Brad Dick, Editor News Skip Pizzi. Technical Editor Steve Epstein, Technical Editor Dawn Hightower, Senior Associate Editor Deanna Rood, Associate Editor Tom Cook, Senior Managing Editor Carl Bentz, Directory Editor Jamie Gooch, Intern By Dawn Hightower, phone services and interactive-based senior associate editor services. ART Ruth Knotts, Associate Art Director The Wireless Cable Digital Alliance is Broadcasters warn that expected to make wireless cable systems BUSINESS Raymond E. Maloney, President more competitive with traditional wired Cameron Bishop, Group Vice President delays could doom cable and telephone systems launching Dennis Triola, Publisher digital video networks. Members of the Tom Brick Marketing Director infopike legislation Stephanie Hanaway, Group Director, Special Projects alliance are American Telecasting Inc., Broadcasters have urged lawmakers to Kathryn Buckley, Promotions Manager Colorado Springs, CO; Andrew Corpora- Sandra Tomczak, Promotions Coordinator pass Senate legislation that would set Dee Unger. Director Advertising Services tion, Orland Park, IL; the rules of the road for the nation's California Amplifier, Nancy Hupp, Advertising Production Manager Susan Jones, Advertising Coordinator information superhighway. Congression- Carmel, CA; EMCEE Broadcast Products, White Haven, PA; Microwave Filter Com- Chris Coughlin, List Rental Sales Representative al inaction could hurt consumers and Doug Coonrod, Corporate Art Director pany, Syracuse, NY; and Zenith Electron- Julie Neely, Circulation Director a stymie development of competitive na- Customer Service: 913-967-1711 or 800441-0294 tional information infrastructure. ics Corporation, Glenview, IL. The alli- ance may be expanded depending on the Edward O. Fritts, NAB president and TECHNICAL CONSULTANTS needs of the group. Jerry Whitaker, Contributing Editor CEO, pledged broadcasters will work with Eric Neil Angevin, Broadcast Acoustics lawmakers to pass legislation and set a John H. Battison. Antennas/Radiation Dennis Clapura, Radio Technology framework for future information services. Hundt to speak at Dane E. Ericksen, P.E., Systems Design Fritts praised the Hollings -Danforth leg- John Kean, Subcarrier Technology NAB Radio Show Donald L Markley, Transmission Facilities islation for recognizing the role broad- FCC Chairman Reed Hundt will be a Harry C. Martin. Legal casting must play in the future informa- Curtis Chan.
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