As previewed here, the FCC approved a plan for digital radio in the US:

The Federal Communications Commission voted 4-0 to adopt digital radio technology created by iBiquity Digital, a company backed by large broadcasters including ABC and Viacom.

The commissioners enthusiastically endorsed the technology, saying it will benefit the industry and consumers.

"We don't get many items where it's a win-win for everyone. There's no down side," Commissioner Kathleen Abernathy said.

Radio has changed little for decades. FCC Chairman Michael Powell said he's heartened that such a dramatic leap forward in technology is in store.

"I'm thrilled and excited to see the radio wagon train finally get to the other side," he said.

The approval allows radio stations to immediately begin broadcasting digital signals, though it probably will take a few months for the first stations to start.

Manufacturers plan to sell digital receivers for car stereos and high-end audio systems starting next year, adding about $100 to the price of a traditional unit. It's unclear how soon digital technology will be included in portable radios.

The iBiquity technology allows broadcasters to use their existing airwaves to simultaneously send digital and analog signals. Listeners won't have to buy a new radio to continue listening to their favorite stations, but can if they want better sound and other options.

Supporters say the new technology will bring CD-quality sound to FM broadcasts, an end to static for AM and new data features.

Radio One, which owns and operates 65 stations and primarily targets black listeners, already has ordered digital transmitters, said John Mathews, the company's director of engineering. He said the Lanham, Md.-based company plans to start digital broadcasts within three months in Atlanta, Boston, Dallas, Detroit and Los Angeles....