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Digital Radio
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Coverage of developments in digital radio, with an emphasis on IBOC HD Radio as implemented in the United States.
Until our new data system is fully integrated, please
click here
for articles prior to September 1, 2006.
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Cooke: Is HD Radio Dead on Arrival?
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A Top Programming Consultant Assesses the Challenges Facing HD Radio
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by Holland Cooke, 3.01.2007
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Atop the HD Radio booth at the recent Consumer Electronics Show, great big letters crowed “Fresh Content Free,” an appropriate message for this particular B-to-B audience, since “Free” differentiates HD Radio from Sirius and XM services which are already darlings of the leading-edge CE industry.
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Can You Get Tuners in the Big Apple?
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We Find HD-R Product Availability Good But Demo Experiences Lacking in New York
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by Thom Moon, 5.07.2008
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Not only was it not connected to an antenna, it wasn’t connected to AC or an amplifier. Not a great way to sell a $500 piece of gear.
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Are Elevated FM IBOC Levels a Good Fix?
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Fans Seek Wider Coverage, Robust Signals; Critics Fear More Interference
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by Leslie Stimson, 4.09.2008
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An effort to seek regulatory approval for a voluntary increase in authorized FM IBOC power levels is up in the air.
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RVA Takes ‘Software-Centric’ Approach
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ENCO Installation Is First Commercial Use of Digigram Visiblu for Routing Audio Over IP
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3.26.2008
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For the first time, the audio stream contains both the audio payload and embedded automation control for both source and destination.
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Making Sense of Metadata
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Managers Must Find Ways to Deliver High-Quality PAD While Limiting Cost
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by Daniel G.P. Mansergh, 3.12.2008
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One of the most compelling features of digital radio systems is the ability to complement audio programming with real-time delivery of text and other information on a receiver display.
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Let’s Go Shopping: HD Radio in Cincy
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One Man’s Buying Experience in Ohio Suggests The Receiver Push Is Having Mixed Success
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by Thom Moon, 3.12.2008
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I made the rounds of stores that sell electronics in the Cincinnati area. What I found was some improvement; but a lot is yet needed.
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Satellite Radio Category Matures
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Receiver Market Was Relatively Subdued This Winter, as It Awaited Word on Merger
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by Leslie Stimson, 3.01.2008
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Satellite radio is undergoing a sea change as more of its receiver sales shift from aftermarket to OEM-originated.
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Accessible Radio Project Grows
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Towson, NPR and Harris Launch Center for Accessible Radio Technology
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by Leslie Stimson, 2.13.2008
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Dr. Ellyn Sheffield, Towson University professor and NPR Labs researcher, plans to spend the next six months asking people in the visually-impaired, hard of hearing and geriatric communities what features they’d like to see in an HD Radio.
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A Digital Pitch Takes a Personal Touch
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VPR Takes an Active Approach to Explaining Digital Radio to Listeners
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by Rich Parker, 1.16.2008
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“Can I get regular FM on an HD radio?” “Why do I need to get a new radio? I already have very good radios.”
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Pitfalls, Procedures of HD-R Measurement
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Measurement Is Not Simply a Matter of Taking a Spectrum Plot at a Modulation Sample of the Digital Transmitter
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by Benjamin H. Brinitzer, 1.02.2008
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As I travel around different facilities, I find there is confusion on the proper way to confirm and measure IBOC mask and spectrum compliance.
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Personalized Radio for RRS Underway
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NPR Labs, IAAIS Are Developing ‘Radio Anytime’ Capability for Visually-Impaired Listeners
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by Leslie Stimson, 12.19.2007
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NPR Labs and the IAAIS are working on a way for the visually impaired to listen to their radio reading service when and where they want to.
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Rochester Station Says IBOC Interferes
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WYSL Gripes About WBZ in First Official AM Digital Complaint
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by Leslie Stimson, 12.05.2007
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In what is thought to be the first AM nighttime IBOC interference complaint filed with the FCC, Radio Livingston Ltd., licensee of WYSL in Upstate New York, claims that adjacent-channel IBOC noise from WBZ in Boston is interfering with its daytime and nighttime signals.
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Is AM Skywave Broadcasting Finished?
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Using a Popular Analyzer — A Pair of Ears — The Author Finds Outcome Inconclusive
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by James E. O'Neal, 11.21.2007
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I grew up in a small town with no regular local nighttime radio service; early on I became close friends with 50 kW clears in distant cities.
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‘The IBOC Handbook’ Cracked Open
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From History to Current Implementations, Maxson Offers a Comprehensive, Dynamic Read
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by Thomas R. McGinley, 11.21.2007
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Anyone interested in how IBOC actually works at a more technical engineering level has been hard-pressed to find much published documentation on the subject, other than white papers published by the technology developer itself.
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Citadel Re-evaluates AM HD-R Nighttime
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Interference Complaints Leads to Nighttime HD-R AM Suspension
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by Leslie Stimson, 10.24.2007
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Citadel Broadcasting halted AM nighttime IBOC operations in early October after receiving interference complaints.
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In Search of an HD-R Receiver
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The Author Describes His Experiences Shopping at National Brick and Mortar Retailers
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by Richard Factor, 10.24.2007
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I had never, not even for an instant, ever heard an HD-R channel, so I decided to purchase one.
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HD Radio, Meet the iPod
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Tagging Garners Attention; Polk, JBL Radios Combine Radio and iTunes
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by Leslie Stimson, 10.10.2007
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IBOC proponents say merging HD Radio with iPod technology makes HD-R “cool.”
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HD2 Stations: What’s in Your Radio?
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Will Multicasts Rise to the Level of ‘Oh, Wow I Have to Go Out and Get a Radio to Hear That’?
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by Ken R. Deutsch, 9.26.2007
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Early AM and FM programmers had to make up the rules as they went along. The same phenomenon can be observed in the new world of HD2 today.
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Ibiquity Expands Its Test Lab
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Receiver Characterization, Transmission Systems to Get ‘Stressed’ in Tests
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by Leslie Stimson, 9.26.2007
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When Ibiquity Digital Corp. recently moved to the other side of I-95 and closer to the Baltimore/Washington International Thurgood Marshall Airport, it leased most of a floor in a larger building than it had occupied previously.
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Study: HD Radio’s ‘Tepid Growth Story’
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Bridge Ratings Says ‘We Do Not See HD Radio as a Significant Contributor to Boosting Listening to Terrestrial Radio’
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by Paul J. McLane, 9.12.2007
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Is HD Radio up to the task of helping traditional radio compete with other new media?
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