In digital audio data reduction technology, aptX (formerly apt-X) is a family of proprietary audio codec compression algorithms.
Oklahoma is the 20th-largest state in the United States, covering an area of 69,898 square miles (181,035 km 2), with 68,667 square miles (177847 km 2) of land and 1,281 square miles (3,188 km 2) of water.
USZip.com. http://www.uszip.com/zip/73160. Oklahoma is a state located in the South Central region of the United States of America. With an estimated 3,617,316 residents in 2007[1] and a land area of 68,667 square miles, Oklahoma is the 28th most populous and 18th-largest state.