Radio is now relabeled audio and is comprised on any medium where sound is used to convey a message.
|
U.S. Weekly Radio Audience Estimated for 2007 (millions of listeners) | |
|
Terrestrial radio |
282.8 |
|
Internet radio |
29.0 |
|
Podcasting |
7.1 |
|
Mobile phone audio streaming |
4.1 |
|
High-definition radio |
0.3 |
|
Source: EMarketer from Bridge Ratings, Arbitron, Edison, 2007 | |




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