Changes spurred by the pandemic have prompted two public broadcasters to scale back their use of HD Radio, the heavily promoted technology that never quite caught on despite its promises of better ...

(1) See also HD audio. HD Radio simultaneously transmits a digital version of the analog broadcast and also provides a second digital channel, which can be used for alternate radio programming or data ...

But what are those extra channels, and is it worth upgrading to an HD Radio at home or in your car? Those are the big questions, and I’m going to try to answer them. First, the extra channels you can ...

If you like to listen to the radio, you have a few choices. There’s AM and FM radio, as well as satellite and HD radio. Satellite and HD Radio both are digital forms of broadcast radio, but they’re ...