Digital Radio

A Look at 'Truthiness' in HD-R
by Mark Ramsey
Mixed Press About HD Radio and What It Really Means

Chicago HD-R: Good, Bad & 'Spooky'
by Larry Langford
Radio Engineer/Owner Evaluates Digital Radio At 'Street Level' in the Windy City

Could Audio Flag Jeopardize Digital?
by Leslie Stimson
While a Senate Panel Clears the Concept, the Fate of a Telecom Rewrite Remains Uncertain

Commentary: AM Will Compete in an HD-R World
by Robby Robinson
The Band Has Created Its Own Programming and Niche, and in Most Markets Is Insanely Successful

Commentary: Digital Radios and Your Station
by Mike Bergman
A Look at Receiver Design Elements That Affect Your FM HD Coverage Area

HD Radio for Elderly in Sight?
by Leslie Stimson
Help Seen for Aging Boomers and Other Sight- and Hearing-Impaired

Promo Power Column: A Prayer for the Future of HD Radio
by Mark Lapidus
I was listening to an AM station in HD when a friend came into my office.

Stop the Parade
-RW
The 109th U.S. Congress has featured a procession of proposals on regulating digital media, some of which could dramatically affect radio broadcasting.

HD2 Channels Top Spring Show
by Leslie Stimson
More Receivers Soon, Supporters Say, With 'Nine Automakers, 38 Models by 2008'

A Cool Stuff Judge Talks
by Paul McLane, Editor in Chief/U.S.
Next issue we'll tell you all about products that won the 2006 Radio World "Cool Stuff" Awards at NAB this spring.

HD Radio, 'The Talk of the Hallways'
by Paul McLane, Editor in Chief/U.S.
"Of course, HD Radio was the main topic at the convention."

To Engage and Enrich, Digitally
by Jeff Borden
Northeast Indiana Public Radio Uses Multicast to Extend Its Footprint

Commentary: IBOC Naysayers Fear Change
by Edward Montgomery
Educator Says It's Time for Radio to Leave the Warm Glow of the 12AV6

Audio Stores, Where Are the Radios?
by Joe Milliken
In late February, FM stations KFOG/KFFG, which serve San Francisco, Los Altos and San Jose, Calif., began a rotation of HD Radio promotions on their analog signals.

Recepter Gets Another Antenna
by Leslie Stimson
WASHINGTON: Folded FM dipoles are among the passive antenna types suitable for optimal reception of the digital signal with the Boston Acoustics Recepter Radio HD.

Opinion: Make or Break Time
- RW
The next 12 to 18 months are "make or break" for HD Radio. During this period, HD Radio will continue to gain momentum and public acceptance, or it will level off and begin to decline.

Radio Finally Starts to Go Def
by Paul McLane, Editor in Chief/U.S.
As it does seasonally every year, the river of announcements that pours daily through Radio World's e-mail box rose to high levels in the weeks leading up to last month's NAB convention.

HD Radio: Ace, Net or Long?
by Paul McLane, Editor in Chief/U.S.
I was musing over comments by experienced radio manager Paul Marszalek that appeared in a programmer's publication, FMQB.

Greater Media Gets With the Buzz
by Scott Fybush
Knight says working as part of the new digital radio alliance was 'a really fantastic process ... the spirit of cooperation is so bubbling over with enthusiasm that it's contagious.'

Commentary: Full Digital Is the Way to Go
by Edward "Ted" Schober
There has been much teeth gnashing over IBOC and adjacent-channel interference. I believe everyone has completely missed the point.

Commentary: Has Anyone Thought This Through?
by Jack Hannold
Paul McLane's interview with Ed De La Hunt ("De La Hunt Troubled by HD Radio," Feb. 1) elicited quite a response.

Commentary: Power-side Tops Fla. Engineer's List
by Jerry Smith
We must prepare for the possible turns in the road that HD Radio could deliver to those of us depending on broadcasting for our Social Security payments over the next 12 to 40 years.

'iRadio' to Crowd Radio in the Dash
by Leslie Stimson
Move over, iPod; Motorola plans to ship its second "iRadio" device to stores by the end of the quarter.

Comment: They Ignore Radio at Their Own Risk
by Paul McLane, Editor in Chief/U.S.
Traditional radio is going to be someone's darling again soon, at least for a time.

HD Radio Branding Hits Listeners
by Timothy Kimble
More radio stations, it seems, are starting to tell the story of their HD Radio capabilities. AM stations, like Beasley Broadcast Group's WAEC and WWWE in Atlanta, are touting the cleaner signal of digital. Some FM stations are promoting added program streams.

Confusion Reigns About HD Radio
by Leslie Stimson
For some time, Ibiquity Digital has been telling stations they need to "promote, promote, promote" HD Radio. Now, members of the new HD Radio alliance share the mantra.

HD Radio: Could It Ever Supplant FM?
by Anders Madsen
Will HD Radio someday overtake analog FM in the United States? If so, how long until most commercial FM broadcast is at least accompanied by an IBOC modulated signal? Will stations ever really start turning off their analog entirely, as originally envisioned under the "hybrid" approach to a digital radio transition?

Groups Will Divvy Up HD2 Pie
by Leslie Stimson
The announcement that several ownership groups are coordinating their multicast planning is historic for the radio community. It means the industry essentially is marketing multicast as a single new radio service, something consumers and retail salespeople can understand and describe in a few words.

Alliance's Work Is Just Beginning
by Leslie Stimson
Challenges Ahead as Groups Coordinate Digital Promotion and Programming of Multicast Channels

Gretchen Toes the Multicasting Water
by Steve Sullivan
Does something make a noise if there's nobody there to hear it? A small but growing number of commercial stations - approximately 70, as of December - are confronting that age-old riddle as they debut digital multicast channels to tiny audiences.

A Look Inside the NRSC
by Leslie Stimson
This Group of a Few Dozen Technical Experts Helps the Industry Determine Key Issues

Processing Changes With the Times
by Scott Fybush
For decades, audio processing for radio has had two goals: maximizing modulation on AM to increase station coverage areas and masking noise on FM.

Radio Multicast a Go-Go
by Leslie Stimson
Movement Gains Steam; But 'Where Are the Receivers?' Is Top HD-R Question

'You Are Listening to 98.7 HD-2'
by Leslie Stimson
The discussion of exactly what U.S. radio listeners should see when they flip the "on" switch on future digital radios has expanded beyond engineers to include programmers and marketers.

Commentary: The Premature Death of HD Radio
HD Radio Could Die on the Vine - Unless You and I Do Something About It Now

Kelly to Stations: Promote, Promote, Promote
Radio World News Editor/Washington Bureau Chief Leslie Stimson spoke with Ibiquity's broadcast strategic marketing manager before he caught a plane on his way to advise yet more stations.

Digital Radio Kicks Up Strong Words
Critics Say NRSC-5 Would Cause Irreparable Harm

Messer Leaves IBB for DRM
Dr. Donald Messer has retired from the International Broadcasting Bureau to work full-time with the Digital Radio Mondiale Consortium, an organization of broadcasters and manufacturers in several countries that promotes a technology to migrate shortwave, medium-wave/AM and now FM to digital.

HD Radio Observations in My Truck
A DOE Relates His Experiences Upon Listening to 'Real-World' HD Radio for the First Time.

Commentary: Enhanced apt-X and Low-Delay Circuits
APT Says Its Algorithm Keeps Coding Delay Under 5 Milliseconds for Analog, Digital Users

New IBOC Standard Unscrambled
by David Maxson
This article will give the reader the nickel tour of the new "In-Band, On-Channel Digital Radio Broadcasting Standard" recently passed by members of the National Radio Systems Committee.

DRM Proponents Showcase System
by Scott Fybush
Don Messer of the IBB had to remind participants that, for all the talk of Ibiquity's HD Radio system, there are other formats for digital radio in active use around the world.

Tuning With Multicasting Ahead
by Leslie Stimson
Datacasts Will Change How You Interact With Radio

DRM Expands Into FM Band
by Lawrie Hallett
Members of the DRM Consortium plan to extend their system to operate on frequencies of up to 120 MHz, including FM broadcast frequencies in VHF band II, 87.5 to 108 MHz.

Stations Crafting Multicast Radio Deal
by Leslie Stimson
A year from now, you won't be able to find a new HD Radio that doesn't have the ability to decode multiple digital signals, or multicasting.

Stations to Promote HD Radio
by Leslie Stimson
Ibiquity Expects Broadcasters Will 'Take Up the HD Radio Challenge'

NAB Honors Milford Smith
by Leslie Stimson
Smith, the vice president of engineering at Greater Media Inc. for the past 21 years, is recipient of this year's NAB Radio Engineering Achievement Award.

Every Hour, All Day Long, WHUR Promotes HD Radio
Howard University FM Is 'Washington, D.C.'s First Digital Radio Station'

FCC Eases Multi-channel Use
The FCC has reiterated how stations that use IBOC technology can seek permission to split their digital signals into several channels.

Reis Says HD Radio Has a Marketing Problem
by Art Reis
IBOC Will Never Hit The Masses If Marketing, Promotion Aren't a Priority

Ibiquity Gets Specific With Fees
by Leslie Stimson
Lays Out New License Fee Schedule; Will Charge for Supplemental Channels

Commentary: Nine 'Bullets' About HD Radio
by Ralph J. Carlson
The Author Outlines What He Sees as Fallacies In IBOC and Offers His Support of Cam-D

NPR Moves Multi-Channel Forward
by Leslie Stimson
Network Seeks Manufacturers to Make Radios; It Will Provide Program Streams for Members

Digital Radio Product Offerings to Grow
by Leslie Stimson
More HD Radios, Including In-Dash Car Models, Are Due Out This Year

DRM to Launch More Radios in '05
Receivers Due From DRM Late This Year; Group Considers Expanding Into Upper Bands

Digital Radio in the Real World
AES Topics Include NRSC-5 Standard, Copy Protection and the 'Low Bitrate Last Mile'

Ibiquity: '05 All About the Radios
by Leslie Stimson
Receiver Rollout, Surround Sound, Border Issues And Early Real-World Lessons Are Discussed

5 kHz Audio Bandwidth on AM

Clear Channel Reduces AM Bandwidth; Calls on Industry to Do the Same

Radio Groups Plan Spending for IBOC
by Leslie Stimson
As radio groups plan their capital expenditures for the next year, those planning to invest more heavily in HD Radio are mapping out expense strategies - for 2005 and beyond.

KUVO Turns on IBOC in Colorado
by Mike Pappas
First FM in the State to Go Digital Also Is First to Test Nautel HD Radio Transmitter

First HD Radio RF Upgrades Hit the Market
by Leslie Stimson
HD Radio technology may only be starting to climb its adoption curve, but transmission companies plan to showcase products at the NAB Radio Show in San Diego that constitute the first IBOC system upgrade.

Paul Revere's City Is IBOC Template for Greater Media
Greater Media Retrofits a Master FM Antenna System for Digital Conversion

Industry Ponders Skywaves, Digital Low Power in IBOC Comments
The third in a series of articles sampling public comments filed with the FCC in the proceeding to develop final authorization rules for IBOC.

Clear Channel Embraces IBOC
by Leslie Stimson
Clear Channel Radio's plans to convert 1,000 stations to digital sends a strong message about its confidence in the technology, IBOC experts say.

AM, Recording Spark IBOC Opinions
The second in a series of articles summarizing public comments filed with the FCC in the IBOC proceeding

FCC Ponders Public's IBOC Stance
SACs, AM at Night And Receivers Dominate Comments

For IBOC, a Better Way to Combine
by Steve Fluker
Developer of Split-Level Combining Touts Its Energy and Space Efficiencies

DRM, Eureka Grow Worldwide
by Daniel Mansergh
Meanwhile, TokyoFM Develops Unique Metadata Model

Digital News:
WAMU Goes Digital, Has Second Channel
American University's WAMU(FM) is beta-testing a second digital channel with special authorization from the FCC.

What the FCC Wants to Know About IBOC
The FCC has released the text of its Further Notice in the IBOC rulemaking

Antenna, Power Issues Emerge for AM IBOC
by Leslie Stimson
A handful of AM stations reportedly have turned off their HD Radio signals out of concern for analog interference to neighbors on adjacent channels.

IBOC Is In the Hands of Stations
by Leslie Stimson
Ibiquity Issues User List, Incentive Plan

IBOC Keeps Transmitter Market Humming
by Scott Fybush
Meanwhile, Manufacturers Also Explore Making Units Smaller, More Compact

'Split-Level' Combining Explored
by Leslie Stimson
Harris, Cox Tout Approach for Power and Space Benefits; CPB Reviews Grants

OPINION: AM Must Roll or Risk Gathering Moss
by Thomas R. Ray III, CPBE
Tom Ray addresses some common concerns about IBOC.

FCC Looks More Closely at IBOC
by Leslie Stimson
Terrestrial digital radio proponents have been hoping the FCC would move to solidify final rules for IBOC this year. Now that process has moved a big step forward.

Foti on AM HD Radio: 'No Static at All'
by Frank Foti
With the rollout of AM HD Radio, the senior band not only offers no static at all, but wide frequency response that is equal to FM, and - ready for this? - stereo!

FM IBOC Dual Antennas Get FCC Nod
Stations officially may now use dual rather than single antennas for their FM IBOC operations.

'Tricks' of HD Radio(s) Revealed
by Glen Clark
Glen Clark Completes His Digital Tour of Three Markets in Four Days

HD Radio Rollout Reaches Public
by Leslie Stimson
Now that HD Radios are in the marketplace, Americans can go into stores and compare for themselves between analog vs. digital, and terrestrial digital vs. satellite.

Under New Owners, BE Eyes Future Products
by Randy J. Stine
Broadcast Electronics officials say an equity firm's acquisition of the company will give the broadcast systems provider the financial means to expand its HD Radio product line further and increase its presence internationally.

Fee or No Fee for a Secondary Channel?
by Leslie Stimson
Still to be worked out in the Tomorrow Radio concept is whether commercial stations would have to pay a fee for creating the supplemental channel.

Is Radio Heading for a Split?
by Leslie Stimson
Proponents Hope Digital Radios Have Supplemental Channels by Late Fall

Will IBOC Demand Ever Top Supply?
by Jim Loupas
An Industry Veteran Wonders If Consumers Will Abandon Analog for Pricier Digital

Brian DeNicola: A Broadcaster Is Born
by James P. Hawkins
Brian seemed to work with his dad as a peer. I decided to visit Brian at his home to learn more about how this young man had become interested in the medium.

HD Radio Ready for Prime Time
by Glen Clark
Glen Clark Takes a Tour of Three Markets in Four Days With the New Kenwood HD Radio

Commercial HD Radios Debut at CES
by Leslie Stimson
First HD Radios Available; Supplemental Audio Channels to Be Demoed

HD Radio Receivers Reach Stations
by Thomas R. Ray, III
WOR Has New York's First Commercially Available HD Radio

USC Stations Go HD Radio
by Daniel Mansergh
While many radio engineers are still scratching their heads about when and how to implement HD Radio at their stations, Pablo Garcia has left those questions far behind.

Suppliers Prepare for HD Radio Data
by Leslie Stimson
Are the wireless data capabilities promised by HD Radio proponents reality, or so much smoke and mirrors? We'll soon find out.

Andrew Spins Off Broadcast Division to ERI
by Leslie Stimson
Electronics Research Inc. plans to purchase the broadcast products division of Andrew Corp.

HD Radio: 'This Is Going to Work'
by Jeff Johnson
Technical Implementation Seen as Closer to Success During Radio Show Sessions

Ibiquity Sees Finish Line in Sight
by Leslie Stimson
Ibiquity Digital Corp. is focused on getting HD Radios to market and regaining momentum for digital conversion at stations.

NRSC Regears for HD-R, RBDS
by Leslie Stimson
The pushing and pulling continues between members of the standards-setting National Radio Systems Committee and Ibiquity Digital Corp. over disclosure.

DRM: New Digital Kid on the Block
by Lawrie Hallett
This is the second in a two-part series on the development of the Digital Radio Mondiale technology.

Gen 2 HD Radio Chips Ready
by Leslie Stimson
TI Readies Second-Generation IBOC Chip; Analog, Digital Processing on Single Baseband

Commentary: Foti on Preprocessing Audio for HD Radio
by Frank Foti
This is one of several articles that appear in the Sept. 24 edition of Radio World focusing on studio considerations related to the implementation of HD Radio.

HD-R Profile: WOR, New York City
by Stephen Murphy
From its inception, New York City radio station WOR(AM) has been a pioneering presence in broadcasting.

HD Radio: Will New Codec Do the Trick?
by Leslie Stimson
The summer of 2003 was not the quite the summer of love Ibiquity Digital had been expecting.

'Tomorrow Radio' Tests Are Underway
by Leslie Stimson
National Public Radio, Harris and Kenwood USA are closer to finding out whether splitting a station's digital audio signal into two channels will be practical.

Ibiquity in the Wake of Walden
by Leslie Stimson
Layoffs Herald Change in the House of IBOC

Kahn Coy on Cam-D Details
Leonard Kahn says 10 broadcasters have agreed to test his Compatible AM Digital technology, and he expects those stations to begin field tests by the end of the year.

DRM Feeds Some Digital Needs
by Michael Hedges
Seven years in the making, Digital Radio Mondiale has arrived.

Stay Tuned for End to HD Radio Pause
by Leslie Stimson
Several sources close to HD Radio development say Ibiquity Digital Corp. is close to a decision on whether it will change codecs - and that the industry should know something more definitive by the end of this month.

Symphony Goes Interactive
by Leslie Stimson
Having gone public with its Symphony Digital Radio project last fall, Motorola now says some versions of the digitally-processed analog radio will be interactive.

Stations Continue to Convert to HD Radio
by Leslie Stimson
Stations continue to go on the air and sign licenses to do so with HD Radio technology.

Impact of IBOC 'Pause' Disputed
by Leslie Stimson
How long will the "pause" in standards-setting for HD Radio last? That was one of the big questions being debated after a decision by the leaders of the DAB Subcommittee of the National Radio Systems Committee in May.

Algorithm Concerns Slow HD Radio
IBOC Standard-Setting Temporarily Suspended' By NRSC
by Leslie Stimson
Has radio's digital rollout hit a slight pause, or a big glitch? That depends on who's being asked.

AM IBOC, Dual Antennas De-Mystified
How Do You Want Your IBOC? AM, FM, Day or Night, It's All Here
by Michael LeClair
Radio World asked several of our contributors to attend various sessions at the NAB2003 convention. Here, Michael LeClair summarizes presentations at "IBOC DAB - Ready For Prime Time" of the Broadcast Engineering Conference.

Summer Blitz Anticipated for HD Radio
by Leslie Stimson
By this summer, HD Radios will be in stores; more stations will be on the air in digital; and consumers in 13 rollout markets will be blitzed with promotions as the result of a concerted effort by technology developer Ibiquity Digital Corp., receiver makers, stations and the NAB.

WYGY's HD Radio Conversion Detailed
by Daniel Mansergh
Susquehanna Station Provides Lessons for Group's Digital Rollout Plans

FCC Makes It Easier to Go Digital
by Leslie Stimson
AM and FM stations may now go digital without first applying for and receiving special temporary authority from the FCC.

Radio Reaches Its Digital Rubicon
by Leslie Stimson
After a decade of promise, U.S. terrestrial digital radio is finally here ... Virtually no one can hear it yet.

Opinion: Is Narrow AM IBOC Bandwidth Bad?
by Andy Laird
Andy Laird Argues that Changing AM Bandwidth From 10 to 5 kHz For IBOC Won't Impair Audio

Q&A: On-Demand Audio Not Far Off
Q: Ibiquity has talked about additional benefits of digital broadcasting, one being on-demand audio. What will my listeners get from this service?

Q&A: Get an STA for IBOC Implementation
Q: I just read the FCC Report and Order authorizing IBOC implementation, but was unsure of some issues. As a broadcaster, what are the guidelines I need to follow in order to make my station's implementation a success?

WOR Pleased With IBOC/HD Radio
by Thomas R. Ray III
Tom Ray Offers a First-Person Account of Going Digital at the Legendary Station in New York

Reading Services Concerned About Digital Radio
by Leslie Stimson
Radio reading services are worried about radio's transition to digital.

WOR Goes 'HD'
by Leslie Stimson
WOR(AM) began transmitting a digital signal in addition to its analog on Oct. 11, the day after the FCC gave its initial endorsement to IBOC.

Q&A: Licensing Fee Waiver De-Mystified
This is one in a series in which Ibiquity Digital Corp. answers questions about how to implement HD Radio, the newly-trademarked name of what used to be called in-band, on-channel digital audio broadcasting. Director of Broadcast Business Development Scott Stull answers here.

FCC Okays 'Historic' IBOC Order
by Leslie Stimson
Oct. 10 was the day digital radio proponents have been anticipating for more than a decade ... On that day, the FCC approved in-band, on-channel digital audio broadcasting as the technology U.S. stations will use to go digital.

Radio Groups Inch Up to IBOC
by Leslie Stimson
Based on interviews with group owners, engineers and Ibiquity Digital Corp. during the convention in September, it's clear the major radio group investors with stations in large markets plan to transition some stations to IBOC in key rollout markets this year.

Motorola Asks: Why IBOC? Just Make the Radio Sound Better
by Leslie Stimson
Another type of digital radio was alluded to at the NAB Radio Show. Motorola didn't want to discuss its new radio chipset publicly and place a damper on its product debut at AES, but the company did share some specifics with reporters.

AM IBOC Consequences Weighed
In the Sept. 1 issue, Radio World published a selection of comments filed with the FCC about the NRSC report on Ibiquity Digital Corp.'s AM in-band, on-channel digital audio broadcasting system. Here is another sampling ...

Where's My Digital ROI?
This is one in a series in which Ibiquity Digital Corp. answers questions about how to implement HD Radio, the newly-trademarked name of its in-band, on-channel digital audio broadcasting technology.

Ibiquity Plans AM Night Tests
by Leslie Stimson
Ibiquity Digital Corp. is trying to quantify the interference that exists for AMs at night and what changes might occur with IBOC.

(08.01.02)

Time for a Shared IBOC Vision
Guest commentary by Harris Corp.'s Dale Mowry

What's the Hold-up With AM IBOC?
This is one in a series in which Ibiquity Digital Corp. answers questions about how to implement in-band, on-channel digital audio broadcasting. Vice President of Broadcast Engineering Glynn Walden answers here. Past answers are posted at www.rwonline.com under the tab "IBOC DAB."

IBOC and The Birth of Feature-Rich Radio
Guest Commentary, by David Maxson
It's hard to visualize, but we broadcasters are the future providers of radio datacasting services. We can't wait for someone else to develop our airwaves - to become "service providers."

Ibiquity: No Fees for Translators: by Leslie Stimson
Ibiquity Digital Corp. has clarified some aspects of the licensing fees it plans to charge broadcasters for its in-band, on-channel digital audio broadcasting technology.

IBOC Implementation Details Emerge: by Michael LeClair
As the much-awaited deployment of in-band, on-channel nears, an IBOC implementation session at the recent NAB2002 convention offered a wealth of practical information.

Conversion Costs De-Mystified
This is one in a series in which Ibiquity Digital Corp. answers questions about how to implement in-band, on-channel digital audio broadcasting. Broadcast Technology Manager Jeff Detweiler answers here.

Skip Pizzi and Guy Wire Debate IBOC

- Pizzi: FMX+RBDS=IBOC
  - Guy Wire: Deriving the Real IBOC Equation
     - Pizzi: Response to Guy Wire’s 3/13/02 posting
       - Guy Wire: One More Volley

- Guy Wire's Latest RW Online Column: A Bumpy Ride for Ibiquity at NAB2002
     - Pizzi: Comments in Guy's Mailbag

The 'Official Launch' of IBOC DAB: by Leslie Stimson
Struble Hopes for Summer Endorsement; NRSC Recommends AM for Day Only, and Ibiquity May Be Thawing on Station Fees

IBOC, Subcarriers and Channel 6
In the previous two issues, Radio World has excerpted comments that were submitted to the FCC about the National Radio Systems Committee report on Ibiquity Digital Corp.'s FM in-band, on-channel digital audio broadcasting system.

Licensing Fees To Be Levied
This is one in a series in which Ibiquity Digital Corp. answers questions about how to implement in-band, on-channel digital audio broadcasting. Broadcast Business Development Director Scott Stull answers here.

IBOC Fees Stir Reaction, by Leslie Stimson
Many broadcasters are just realizing that to make the digital transition, they'll need to pay Ibiquity Digital Corp. software licensing fees in addition to what they will pay manufacturers for new equipment.

NAB to FCC: ‘IBOC Is Ready’
WASHINGTON The NAB is urging the FCC to act quickly to authorize the introduction of terrestrial digital radio.

IBOC: What Engineers Should Know, by Charles T. Morgan
The Chairman of the NRSC Says FM IBOC, Though Imperfect, Is a Significant Improvement for U.S. Radio
On Nov. 29, 2001, the National Radio Systems Committee issued a report stating, "The performance of the Ibiquity FM IBOC system as tested represents a significant improvement over today's existing analog service."

IBOC Q&A: Digital Delay
This is one in a series in which Ibiquity Digital Corp. answers questions about how to implement in-band, on-channel digital audio broadcasting. Broadcast Technology Manager Jeff Detweiler answers here.

NRSC Endorses FM IBOC, by Leslie Stimson
Ibiquity Digital Corp. has cleared an important hurdle on the road to commercial rollout of its in-band, on-channel digital audio broadcasting system.

IBOC Q&A: Digital STLs
This is the second in a series of articles in which representatives of Ibiquity Digital Corp. answer common questions about the implementation of in-band, on-channel digital audio broadcasting. Broadcast Technology Manager Jeff Detweiler answers today’s query.

IBOC DAB Benefits Will Be Few, by Aaron "Bishop" Read
One Observer Says ‘Pay No Attention to That Man Behind the Curtain’
I belong to a few online mailing lists. Recently, a well-meaning fellow on one radio group asked for opinions on what radio would be like in five or 10 years, what with digital radio and IBOC looming.

IBOC Q&A: Sample Rates
Among the most important questions radio managers and engineers soon may face is how to implement IBOC DAB technology.Radio World has asked Ibiquity Digital Radio to answer common IBOC questions in this space.

Ready for FM IBOC? Here’s a Q&A, Richard J. Fry, CPBE
With testing and evaluation of Ibiquity Digital’s in-band, on-channel digital audio system underway, the authorization of AM and FM IBOC transmission in the United States may soon become a reality.

IBOC Gets Noticed, by Leslie Stimson
NEW ORLEANS In-band, on-channel digital audio broadcasting is getting some respect. IBOC technology had a higher profile at this year’s NAB Radio Show than it has enjoyed in the past.

How to Prep Now for IBOC Later, by Bob Clinton
If the hopes and expectations of iBiquity Digital Corp. come to pass, engineers will be scrambling this time next year to prepare their facilities for the in-band, on-channel digital broadcasting revolution.