Podcasting, satellite radio, Internet radio, HD radio rising
The market for digital audio services, from satellite radio to podcasting, will grow steadily in the next five years, according to a new report from Forrester Research. The consulting firm says producers are figuring out ways to make money from digital audio, including subscriptions and highly targeted ads.
Leading the way will be satellite radio. More than 20 million households will tune in to XM and Sirius.
Forrester vice president Ted Schadler says 12 million households will listen to podcasts.








