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  • Higher-bit depth, such as 48-bit color, has the ability to detect subtle differences in colors, and is preferred for use in high-quality photographic environments.

    Don't Shell Out For Just Any Document Scanner

  • Scanner Two is an Epson Perfection 1660 PHOTO, a 1600 dpi flatbed scanner, capable of scanning items up to 8 ½ x 11½ inches in either 48-bit color or 16-bit grayscale.

    Creating, Managing & Pres. Dig. Assets: Northeast Massachusetts Digital Library (NMDL)

  • Instead, they chose to combine a secret algorithm with a relatively short 48-bit key.

    Security by Obscurity? I Don't Think So

  • First it was the 40-bit key, a few months later the 48-bit key, followed by the 56-bit key, and later the 512 bit has been broken ...

    Boing Boing: February 9, 2003 - February 15, 2003 Archives

  • For example, as described in the IEEE 802.11 Handbook by Bob O’Hara and Al Petrick (1999), at page 101, "dot11StationID is a 48-bit attribute that is designed to allow an external manager to assign its own identifier to a station, for the sole purpose of managing the station."

    Boing Boing: March 30, 2003 - April 5, 2003 Archives

  • The Lynx Mandelbrot code does 48-bit fixed-point math using 8 bits of integer and 40 bits of fraction, via the hardware multiplier (16x16) and a lot of help from the 65C02.

    The Usenet Lynx FAQ by Rob Jung

  • This reminds me of a scanner I saw about ten years or so ago that was capable of recording scans in a 48-bit mode, if the software was capable of using the extra bits.

    "MAIN" via Steve in Google Reader

  • It took the Scanjet G3110 1 minute and 50 seconds to scan an 8 by 10 inch color photo at 600 dpi and 48-bit color.


  • A 4-by-6 photo scanned at 1200 dpi and 48-bit color took 2 minutes and 32 seconds, a task that other scanners completed in about 1 minute 18 seconds.


  • It's worth pointing out that unlike some multifunction devices without transparency units, the MP640 offers very high resolution (4800 x 9600 optical) and excellent color depth (48-bit internal, although you only get 24-bit files).

    Imaging Resource What's New


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