DirecTV Inc. began delivering local high-definition (HD) programming to four new cities April 4, the company announced. The addition of Albuquerque, N.M.; Buffalo, N.Y.; New Orleans, La.; and Tulsa, Okla.; bring DirecTV’s local HD offerings to 57 cities, or nearly 70 percent of U.S. TV households, the company said.

EchoStar Communications Corp. launched seven more regional sports networks in HD on its Dish Network, EchoStar announced.