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| 21st Century 3D Releases Direct-to-Disk Stereoscopic Recording Technology |
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By Myrna Tobisoo, May 10, 2006
21st Century 3D announced the 3DVX3 camera system, the world’s smallest and lightest high-definition stereoscopic camera. The 3DVX3 records 58 Mbytes/sec of stereoscopic video data to on-board, removable Seagate Momentus 7200.1 hard drives. While most digital camera systems measure their sustained data rates in Mbits/sec, the 3DVX3 records 1200% more data than most prosumer HD cameras, putting unprecedented demands on its storage subsystem.
Unlike many other direct to disk or direct to edit systems that record low bandwidth DV or HDV formatted video, the 3DVX3 records uncompressed RAW CCD data at 4:4:4 RGB in up to 10 bits per channel. Recorded simultaneously, each left and right eye video channel consists of 29Mbytes/sec of sustained data
. This data flows from the camera’s A/D converters directly to two on board removable Seagate Momentus 7200.1 hard drives via two high speed USB data interfaces and two extensively modified Mac OS X CPUs.
Seagate’s 2.5-inch Momentus 7200.1 drives are compact and lightweight. They offer extremely high performance, and consume 48% less power than other drives 21st Century 3D tested. In addition, Momentus 7200.1 was the only model hard drive to sustain a write speed of 29Mb/sec over the entire disk surface – crucial to providing a full hour of recording time and extending operating duration from a single battery charge. Offered in capacities of up to 100GB, Momentus 7200.1 drives deliver a substantially longer record time than other 2.5” drives that were initially considered for use in the 3DVX3. The Momentus 7200.1 features a 7,200-rpm spin speed and 8mb on board cache that also makes it ideal for high-performance mobile workstations, non-mission-critical blade servers and small form factor PCs like the ones built in to the 3DVX3.
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