Sony PDWU1 Family Brochure (XDCAM Family Brochure) - Page 5
Professional Disc Media PFD23A
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■ Flexible Platform The Professional Disc system is a very flexible platform on which an assortment of data in a variety of formats can reside. The use of optical disc technology eliminates the restrictions inherent in proprietary tape footprints, and allows a variety of different video formats to be recorded as 'data files', and is therefore extremely flexible as to what can be recorded to it. In addition to video and audio streams, you can record a variety of metadata, such as date/time information and comments indicating the material content. Furthermore, computer files created on Microsoft Word, PhotoShop, and other application software can also be stored on a Professional Disc media*. *Up to 500 MB ■ Largest-Capacity Optical Disc The superior disc capacity of the Professional Disc enables you to make high-quality yet long-duration recordings. Its 23.3-GB data capacity translates to a recording time of 45 to 85 minutes depending on the bit rate the camera operator chooses. ■ High Transfer Rate The Professional Disc's data transfer rate is 86 Mb/s from a single optical head unit and 172 Mb/s on a dual head deck, providing stable recording and playback of high bit rate data such as a 50 Mb/s MPEG IMX stream. ■ Highly Reliable, Durable and Re-usable Medium Optical discs have a natural advantage since they suffer no mechanical contact during recording or playback, making the format ideal for continuous use and re-use. The Sony Professional Disc is highly resistant to dust, shock and scratches, and is packaged in an extremely durable and dust-resistant cartridge. It is resistant to heat and humidity, and is X-ray resistant - factors that make the Professional Disc ideal for use in harsh field environments, and also allows for long media life and long-term storage. ■ Professional Disc Media (PFD23A) Specifications Storage capacity Laser wavelength Data transfer (writing) rate Disc diameter Cartridge dimensions (W x H x D) Weight Recording format 23.3 GB 405 nm (blue-violet) 86 Mb/s (per optical head) 4 5/8 inches (120 mm) 5 1/8 x 5 1/4 x 3/8 inches (129 x 131 x 9 mm) 3 oz (90 g) Phase change recording ■ Quick Random Access The nonlinear nature of the Professional Disc alone provides tremendous benefit when handling audio/video content. When a recording is played back from the disc, its physical location on the disc does not impact the time required to access it. Recordings can be accessed in a fraction of the equivalent time taken to access information on disc, making it much easier and faster to locate source material. This is the beauty of random access, and all Sony XDCAM products are equipped with powerful features - delivering innovation to all your programming operations. PFD23A 5
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