Reply To: What kind of technique is being used


Are you talking about the walkthrough or the 3D space? Personally I think the walkthrough is better as the 3D space is kind of clunky to use.
As far as the walkthrough I would guess he used a handheld gimbal with a stabilizer and walked through at a normal rate then sped up or slowed down sections in a video editor like Premiere Pro. Premiere Pro lets you pick start and stop points so the speed up or slow down is smooth.

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