For those interested in the technical side of HD Radio, there is an article in the 3/30 edition of Electronic Design. It gives good information on how the AM and FM systems work.
http://www.electronicdesign.com/Articles/ArticleID/12194/12194.html
Also, be sure to read the reader comments at the bottom of the first page. Most disagree with the author's perception that HD = High Definition.
http://www.electronicdesign.com/Articles/ArticleID/12194/12194.html
Also, be sure to read the reader comments at the bottom of the first page. Most disagree with the author's perception that HD = High Definition.