主题：【原创】还记得3dfx VOODOO吗？ -- Slay0r

A3D uses a subset of the actual in-game 3D world data to accurately model the location of both direct (A3Dspace) and reflected (A3Dverb) sound streams (A3D 2.0 can perform up to 60 first-order reflections). EAX 1.0, the competing technology at the time promoted by Creative Labs, simulated the environment with an adjustable reverb -- it didn't calculate any actual reflections off the 3D surfaces.

Creative Labs sued Aureal for patent infringement in March 1998[1], and Aureal countersued for patent infringement and deceptive trade practices. Aureal won the lawsuit brought by Creative in December 1999. However, the cost of the legal battle caused Aureal's investors to cease funding operations, forcing Aureal into bankruptcy. Creative then acquired Aureal's assets in September 2000 through the bankruptcy court with the specific provision that Creative Labs would be released from all claims of past infringement by Creative Labs upon Aureal's A3D technology. While Creative Labs has not chosen to support the A3D API, the underlying advanced features of A3D technology is making its way into Creative Labs' newer EAX incarnations.[citation needed]