The original aptX algorithm was developed in the 1980s by Dr. Stephen Smyth as part of his Ph.D research at Queen's University Belfast School of Electronics, Electrical Engineering and Computer Science; its design is based on time domain ADPCM principles and eschews psychoacoustic auditory masking techniques.
Along with the rest of the Hawaiian Islands, Oahu is one of the largest and northernmost islands of Polynesia. In the greatest dimension, this volcanic island is 44 miles (71 km) long and 30 miles (48 km) across. The length of the shoreline is 227 miles (365 km).
Current eruption began January 3, 1983 and is called Pu'u'O'o. Hawaii, nicknamed BIG ISLAND because of it's 8 major volcanoes, is currently 4038 square miles (approx. 6 500 square km) and grows around 42 acres every year thanks to all of mount Kilauea's eruptions.