No HD Bounce From Radio Show

The latest NAB Radio Show has come and gone, and there was little news about the HD Radio system other than the addition of new automobile makes and models to the company’s roster (including some GM models that had dropped HD last year). Not totally surprising considering that iBiquity’s just been acquired, and I’m sure the folks there and at new parent-company DTS were pretty preoccupied over the last couple of months with the deal.

But I did stumble across some interesting observations online that suggest there’s no rekindled love affair between HD and the industry just yet. In fact, folks still seem to be coming to grips with the fact that the technology still exists. The first is from Art Stone, the proprietor of Streaming Radio Guide. He scraped iBiquity’s directory of HD-enabled stations and crunched the numbers. iBiquity lists 3,818 “current HD based broadcast Channels.” This number counts all HD program streams, including HD-2/3/4 streams, and includes international broadcast licensees. Read More

HD Radio Sells Out

It’s not quite the IPO payday that iBiquity Digital Corporation’s investors had been hoping for, but it does absolve the company of trying to jumpstart radio’s digital malaise on its own. Last week, iBiquity annonunced it was being acquired by DTS in a $172 million deal.

Who is DTS? Perhaps best known for developing multichannel surround sound technology for the film industry, the publicly-traded company now offers a range of digital audio encoding and processing algorithms that can be found in a variety of media formats and electronic devices. Read More

AM Broadcasters Still Seek Translators, Digital Authorization

When the FCC announced the creation of an “AM Revitalization Initiative” in 2013, the proposal included a grab-bag of industry desires, such as the right for AM stations to utilize FM translators and for AM stations to move from hybrid analog/digital broadcasting to the all-digital AM-HD protocol. But to the consternation of industry lobbyists and HD-backers there’s been no movement on this initiative — so now they’re beginning to whine about it.

Case in point is a commentary published in late June by Frank Montero, an attorney at D.C. communications law powerhouse Fletcher, Heald & Hildreth, which laments that AM broadcasters are being held hostage without access to FM translators and accuses the FCC of playing political football with the future of AM itself. It’s full of questionable assertions and revisionist history. Read More

New HD Radio Applications Seek to Fix System Flaws

There’ve been a couple of interesting developments out of the HD Radio trenches over the last few months. Both are touted as advanced “applications” for utilizing the HD Radio system — but in reality they’re band-aids that seek to fix fundamental flaws with the technology itself.

The first involves transmitter-manufacturer Nautel and its experiments with FM-HD multiplexing. This practice is inherent to the DAB/DAB+ radio systems adopted in Europe, Asia, and elsewhere: instead of every station having its own transmission infrastructure, stations send a stream to a multiplex transmitter where it’s combined with other stations and broadcast as a unifed signal. Instead of tuning to a particular frequency, DAB/DAB+ receivers look for the data-flags of the desired station and, once found, decode only that stream. In this configuration, DAB/DAB+ multiplexes can broadcast 10 or more channels of programming on a single unified digital radio signal. Read More