AV Technology - October 2008 - (Page 26) GROU STARG NDIN WARS By Bill Whitlock Among AV and IT specialists, the ways of understanding and dealing with system-level grounding issues can vary. evere noise problems such as hum or buzz often arise in audio and video systems that are in perfect compliance with National Electrical Code (NEC) and industry practices. Other systems remain trouble-free in spite of code violations, floating grounds, and other problems. Subtle factors that are rarely under the control of the system designer or installer include accidental connections to the grounding system, unknown “fixes” to building wiring, and badly designed equipment. These unknowns may conspire to make it appear that luck is a major factor, but the vast majority of noise problems are www.avtechnologyonline.com S 26 | AV TECHNOLOGY | october 2008 http://www.avtechnologyonline.com
Table of Contents Feed for the Digital Edition of AV Technology - October 2008 AV Technology - October 2008 Contents Precedent Corporate: Residential AV Does Not Equal Commercial AV Government: Funding Problems? Education: DIY ISP.EDU, Part Two The Cost of Bandwidth Star Grounding Wars Understanding IoIP How to Equip a Smart Classroom Two Rooms With A View From Primitive to Professional Product Review: Visionary Solutions AVN 420 Encoder Product Spotlight: Document Cameras New Products Ad Index AV MO: Using Infrared Microphones AV Technology - October 2008 AV Technology - October 2008 - AV Technology - October 2008 (Page Cover1) AV Technology - October 2008 - AV Technology - October 2008 (Page Cover2) AV Technology - October 2008 - AV Technology - October 2008 (Page 3) AV Technology - October 2008 - AV Technology - October 2008 (Page 4) AV Technology - October 2008 - Contents (Page 5) AV Technology - October 2008 - Contents (Page 6) AV Technology - October 2008 - Contents (Page 7) AV Technology - October 2008 - Contents (Page 8) AV Technology - October 2008 - Contents (Page 9) AV Technology - October 2008 - Precedent (Page 10) AV Technology - October 2008 - Precedent (Page 11) AV Technology - October 2008 - Precedent (Page 12) AV Technology - October 2008 - Precedent (Page 13) AV Technology - October 2008 - Precedent (Page 14) AV Technology - October 2008 - Precedent (Page 15) AV Technology - October 2008 - Corporate: Residential AV Does Not Equal Commercial AV (Page 16) AV Technology - October 2008 - Corporate: Residential AV Does Not Equal Commercial AV (Page 17) AV Technology - October 2008 - Government: Funding Problems? (Page 18) AV Technology - October 2008 - Government: Funding Problems? (Page 19) AV Technology - October 2008 - Education: DIY ISP.EDU, Part Two (Page 20) AV Technology - October 2008 - Education: DIY ISP.EDU, Part Two (Page 21) AV Technology - October 2008 - The Cost of Bandwidth (Page 22) AV Technology - October 2008 - The Cost of Bandwidth (Page 23) AV Technology - October 2008 - The Cost of Bandwidth (Page 24) AV Technology - October 2008 - The Cost of Bandwidth (Page 25) AV Technology - October 2008 - Star Grounding Wars (Page 26) AV Technology - October 2008 - Star Grounding Wars (Page 27) AV Technology - October 2008 - Star Grounding Wars (Page 28) AV Technology - October 2008 - Star Grounding Wars (Page 29) AV Technology - October 2008 - Star Grounding Wars (Page 30) AV Technology - October 2008 - Understanding IoIP (Page 31) AV Technology - October 2008 - Understanding IoIP (Page 32) AV Technology - October 2008 - Understanding IoIP (Page 33) AV Technology - October 2008 - Understanding IoIP (Page 34) AV Technology - October 2008 - Understanding IoIP (Page 35) AV Technology - October 2008 - Understanding IoIP (Page 36) AV Technology - October 2008 - Understanding IoIP (Page 37) AV Technology - October 2008 - How to Equip a Smart Classroom (Page 38) AV Technology - October 2008 - How to Equip a Smart Classroom (Page 39) AV Technology - October 2008 - How to Equip a Smart Classroom (Page 40) AV Technology - October 2008 - How to Equip a Smart Classroom (Page 41) AV Technology - October 2008 - Two Rooms With A View (Page 42) AV Technology - October 2008 - Two Rooms With A View (Page 43) AV Technology - October 2008 - From Primitive to Professional (Page 44) AV Technology - October 2008 - From Primitive to Professional (Page 45) AV Technology - October 2008 - Product Review: Visionary Solutions AVN 420 Encoder (Page 46) AV Technology - October 2008 - Product Review: Visionary Solutions AVN 420 Encoder (Page 47) AV Technology - October 2008 - Product Spotlight: Document Cameras (Page 48) AV Technology - October 2008 - Product Spotlight: Document Cameras (Page 49) AV Technology - October 2008 - Product Spotlight: Document Cameras (Page 50) AV Technology - October 2008 - New Products (Page 51) AV Technology - October 2008 - New Products (Page 52) AV Technology - October 2008 - New Products (Page 53) AV Technology - October 2008 - New Products (Page 54) AV Technology - October 2008 - New Products (Page 55) AV Technology - October 2008 - New Products (Page 56) AV Technology - October 2008 - Ad Index (Page 57) AV Technology - October 2008 - AV MO: Using Infrared Microphones (Page 58) AV Technology - October 2008 - AV MO: Using Infrared Microphones (Page Cover3) AV Technology - October 2008 - AV MO: Using Infrared Microphones (Page Cover4)
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