The issue of interference involving digital radio broadcasting on the AM band using the IBOC protocol has made it into the corporate media. The Wall Street Journal ran a piece earlier this month on the problem. However, smoothes it over as an “unexpected consequence,” which is false: the interference is due in part to the very design of the HD Radio system. Digital-related interference also affects FM transmissions, though not nearly as severely.
The article does note that Leonard Kahn, inventor of the CAM-D AM digital broadcasting protocol, has filed suit against iBiquity on antitrust grounds. As iBiquity’s backers are essentially the major broadcasters and consumer electronics manufacturers, Kahn accuses the “cartel” of imposing a proprietary digital radio standard on the country before the FCC’s had a chance to evaluate competitor technologies like his. Continue reading “IBOC Update: HD Radio in the Media, Court”
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