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230 points perryflynn | 1 comments | 20 Apr 25 17:52 UTC | HN request time: 0.201s | source

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Animats ◴[21 Apr 25 02:30 UTC] No.43748045[source]▶

JPEG 2000 for each frame? I wonder what they use for decompression. JPEG 2000 decompressors are really slow. Most couldn't keep up with frame rate without GPU support.

replies(2): >>43748484 #>>43750277 #

1. perryflynn ◴[21 Apr 25 10:28 UTC] No.43750277[source]▶

>>43748045 #

The frames are sent encrypted into the projector. The projector has special hardware for decrypt and decode.

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How encryption for Cinema Movies works