First Ever Closed-Captioned HD Radio for the Deaf Launched By NPR, Harris and Towson University [Ces 2008]
...Radio can carry talk radio with closed-captioned metadata, so that the hearing impaired can enjoy the same talk radio programming that others can
From what I can tell, the signal will be compatible with many recent HD Radio receivers, so you don't need a special box. The Kenwood in the picture is a proof-of-concept; the actual first-ever...
