What is BT?

kombizz

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8 Nov 2011 - 8:53 AM

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Quote: BT is a special and visual effect that refers to a digitally enhanced simulation of variable-speed (i.e. slow motion, time-lapse, etc.) photography used in films, broadcast advertisements, and video games. It is characterized both by its extreme transformation of time (slow enough to show normally imperceptible and unfilmable events, such as flying bullets) and space (by way of the ability of the camera angle—the audience's point-of-view—to move around the scene at a normal speed while events are slowed). This is almost impossible with conventional slow-motion, as the physical camera would have to move impossibly fast; the concept implies that only a "virtual camera", often illustrated within the confines of a computer-generated environment such as a virtual world or virtual reality, would be capable of "filming" bullet-time types of moments. Technical and historical variations of this effect have been referred to as time slicing, view morphing, slow-mo, temps mort and virtual cinematography.

To find it more, please watch this.
Amazing

adrian_w (e2 Member)

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8 Nov 2011 - 10:16 AM

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British Telecom. The only BT of relevance to most of us.

discreetphoton (Site Moderator)

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8 Nov 2011 - 11:35 AM

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Bullet Time. Coined by the Wachowskis for the Matrix.