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.
According to the U.S. Census Bureau, the county has a total area of 2,304 square miles (5,970 km2), of which 2,246 square miles (5,820 km2) is land and 58 square miles (150 km2) (2.5%) is water. It is the largest county in Oklahoma by area. Most of the county is in the Osage Plains, and consists of open prairie. The eastern part of the county contains the Osage Hills, an extension of the Flint Hills in Kansas. Tallgrass Prairie Preserve is north of Pawhuska.