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525/60 Last modified: Tuesday, February 27, 2007  The term 525/60 refers to the analog TV system NTSC used for years in the United States. NTSC is a system of 525 scanning lines (presented as 240 scan lines (a field), interlaced, displaying 480 total lines of visible picture (a frame), at 60 hertz. This 60 hertz scanning rate results in a full frame every 1/30 of second. The 45 scanning lines not displayed is known as the VBI (vertical blanking interval), which contains certain signals that control the TV's scanning system and other functions.   See also HDTV. Also see Webopedia's "Did You Know...All About Digital TV . DTV and HDTV".   Digital Content Producer Magazine Film & video production in a multi-platform world. Home Theater Magazine Featuring news, spotlights, product descriptions and reviews of today's Home Theater equipment. Related Categories Digital Television Home Entertainment Video Related Terms 1080i 1080p 4:1:1 analog television analog-to-digital converter digital digital video frame frames per second HD-DVD HDTV HDTV-ready interlaced scan progressive scan Shopping 525 60 Products Compare Products,Prices and Stores Shop by Category: Nutrition 10 Store Offers Multimedia Projectors 29 Model Matches Search: WebMediaBrands Corporate Info Legal Notices, Licensing, Permissions, Privacy Policy. Advertise | Newsletters | Shopping | E-mail Offers | Freelance Jobs Solutions Whitepapers and eBooks Articles: Build a More Agile Business with IBM IBM Articles: Virtualization Delivers a Dynamic Infrastructure Articles: IBM Offers Enhanced Measurement and Management for Energy Usage Articles: IBM Helps Transformation to an Information-Based Enterprise Microsoft Articles: Visual Studio 2010 Adobe Article: Adobe Helps PHP Developers Create Rich Internet Applications Adobe Article: Java Developers Finding a Home at Adobe Flex IBM Articles: A Smarter Business Needs Smarter Technology Intel Xeon Processor Increases Server Efficiency and Capabilities Intel Tech Brief: Automated Energy Efficiency for the Intelligent Enterprise Oracle Whitepapers - Innovation for IT Leaders Avaya Article: Communication-Enabled Mashups--Empowering Both Business Owners and IT Internet.com eBook: IT Manager's Guide to Social Networking Internet.com eBook: Get Ready for Windows 7 Microsoft Article: Expression Web 3--New Features for PHP Developers Whitepapers: Manage Your Business Infrastracture with IBM Whitepaper: Maximize Your Storage Investment with HP Internet.com eBook: Becoming a Better Project Manager Microsoft Article: Stress Free and Efficient Designer/Developer Collaboration MORE WHITEPAPERS, EBOOKS, AND ARTICLES Webcasts SAP Webcast: Crystal Reports Server--Do More. Spend Less. Webcast: Connecting PHP to Microsoft Technologies Video: Microsoft Partner Program Benefits Video: Windows Azure Debugging Tips SAP BusinessObjects Webcast: Unlock the Power of Reporting with Crystal Reports IBM Webcast: Speed Business Innovation with Reduced Cost and Risk Video: Deploy Applications on Windows Azure MORE WEBCASTS, PODCASTS, AND VIDEOS Downloads and eKits Download: Microsoft Visual Studio 2010 Beta 2 Downloads & Free Trials: Microsoft's New Efficiency Resource Center Get the Windows 7 SDK Free Trial: Red Gate SQL Backup Pro 6 Iron Speed Designer Application Generator MORE DOWNLOADS, EKITS, AND FREE TRIALS Tutorials and Demos Internet.com Hot List: Get the Inside Scoop on the Hottest IT and Developer Products All About Botnets MORE TUTORIALS, DEMOS AND STEP-BY-STEP GUIDES