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Technology Stocks : 3DFX -- Ignore unavailable to you. Want to Upgrade?

To: Patrick Grinsell who wrote (7767)	9/29/1998 10:19:00 PM
From: Sun Tzu	Read Replies (1) \| Respond to of 16960

Two words: Resolution Sucks! Well the TV resolution is not so high either. And I figured you can give everyone in the family a pair of the glasses and a headphone (or build the two into a helmet) and each person could watch theirown channel, after small modification to the set top box. P.S. The 3d glasses you mention require a monitor. They use shutter LCD technology. Thanks. You just talked me out of buying the Metabyte's Banshee. Sun Tzu P.S. I don't find the idea of exposing my retina to laser beams in a non-medical application appealing.

To: Patrick Grinsell who wrote (7767)	9/29/1998 10:51:00 PM
From: Michael Linov	Respond to of 16960

The 3d glasses we're referring to are all LCD shutter glasses. The issue is framebuffer usage. stereoscopic display requires twice the video memory (actually, that's not really necessary. stereo CAN be done with triple buffering, but requires higher sustained frame rates). It also requires a greater load on the geometry pipeline, and fps rates, and refresh MUST be higher. Low refresh (under 120Hz) is unusuable, as it leads to a VERY SEVER FLICKER. Brightness is also a problem , since it's effectively cut by more than half. I own a pair of H3D glasses (and having played many 3d games before), I must say that it's all worth it (so long as you have an SLI setup). While the resolution on a typical V2 sucks, (640x240), on SLI , it's 640 x 480. Stereo effectively increases resolution and depth perception, making the picture SUPER SHARP, and even the smallest movement clearly visible. This product is a MUST for deathmatch. I should warn that you require a HIGH-END monitor to run the H3D (and many other such products) consistently. It MUST be able to sustain at least 120 Hz refresh at the key resolution, with some pretty tricky timing. The future of this is of course HMD's. I've been on the market for HMD's for years now. I can tell you categorically that every product on the market today SUCKS. Resolution is extremely low (ie: 640x480 is unusual). FOV (Field of view) is typically 80 deg. (ie: You're looking at a 60' TV from 6'), whereas you'd really want 150-180 deg. The few products that do sport 120 deg., and 1280x1024 resolution are still over $50K a pair. If head tracking is present, Minimum sustained FPS also have to be kept very high (60 real FPS min. or so), or the lag will cause headaches, and balance problems for the player. I think stereoscopic vision (especially through HMD's) has an AWESOME future. Such products have tremendous immersion value, and have the potential to come close to true VR and total immersion. If only someone were to take the risk, and produce such a pair at a reasonable cost...