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Does A3D use Head-related transfer function for encoding? If so, this might be worth adding to the article. Peter S. 13:02, 12 September 2005 (UTC)
- A3D was the first positional sound system to support HRTF, in fact Creative used the Aureal HRTF technology (which they aquired when they bought Aureal) in EAX 5.
Aureal/Creative Labs lawsuit edit
This article claims that, "Creative Labs sued Aureal in 2000, but lost," while in the Creative Labs article, it states; "The legal battle with Aureal over Creative's infringement of their high-quality 3D audio patents (5,596,644 and 5,802,180). Creative lost this battle, but the legal fees ended up putting Aureal in a poor financial position." I'm changing the text in this A3D article, based on the statement from the Creative Labs article.
That works. The dates for the suit are wrong too; fixed. And removed the reference to A3D being "harder to code" -- both subjective ("free" software that isn't truly free/open source isn't any easier to use than proprietary, as it all depends on the API, and on those grounds, DirectX didn't have the foresight to include a resource manager like A3D 1.0 had until DX7) and a non sequitur in its implication to the demise of A3D (as Aureal had already declared bankruptcy a year before, and been bought out by Creative half a year before, the "early 2001" listed date). Slinkygn 10:47, 5 December 2006 (UTC)
A3D technology in EAX edit
"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."Anyone got a citation for this? It's been seven years since Creative acquired (stole) Aureal's IP and I can find no evidence that any of this technology has found its way into EAX, which remains a simple reverb engine. --DrFod 03:48, 8 March 2007 (UTC)
- Depressing, isn't it? I used A3D back in 1999 with Half-life/Counter-Strike and it was phenominal. EAX still seems to lack real ray-tracing-like audio plotting, which is *the* crucial technology. Creative's effectively monopoly in the sound card field is ruining the market. Toby Douglass 11:57, 20 March 2007 (UTC)