Realtek's Audio Solutions are based on Avance Logic technology, which can also be recognized by the prefixes 'ALG' (Avance Logic Graphics) and 'ALS' (Avance Logic Sound). Avance Logic was acquired by Realtek as early as 1995 and was an independent subsidiary until the end of 2002, when the company was integrated into Realtek. A 3D accelerator was developed in the mid-1990s, but it was not widely used. Avance Logic focused particularly on the development of low-cost, highly integrated electronic components for OEM manufacturers and was active in the areas of 2D graphics and audio. was a hardware manufacturer founded in 1991 in Fremont, California, and was most recently headquartered in San Jose, California.