Cablevision is adding four hi-def channels to its existing cable HDTV lineup.
Starting next week, Cablevision's iO digital cable service will add Cinemax HD, STARZ! HD, The Movie Channel HD and inDemand's HD. Cablevision currently carries New York City's CBS, PBS and Fox HD feeds as well as the MSG Network, Fox Sports Net New York, HBO and Showtime. There is no additional charge for HD programming, according to Cablevision.
Cablevision provides cable service to 3 million customers in New York.
