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DATMAN TECHNICAL BULLETIN #019



From:    Kan Yabumoto           tech@datman.com
To:      Those interested in the DDS technology
Subject: The DDS standards, where to find the spec.
Date:    1997-03-18
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Every so often, we receive inquiries about the DDS standard.
Here are two of the key standards.

  1) The DDS recording
  2) The DCLZ compression algorithm

Both of these are similarly adopted by ANSI and ECMA which also
go to ISO, so the three organizations have pretty much identical
standards (written nearly identically).  The following are a
list of related literature.  We do not have web page pointers.
But, it should be easy to locate on the Web.

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DDS Recording format:

  ANSI X3B5/91-256  (June 26, 1991)
  ISO/IEC JTC 1/SC11 Flexible Magnetic Media
  for Digital Data Interchange

    ANSI  11 W. 42nd Street, New York, NY  10036  phone: +1-212-642-4931
                                                    fax: +1-212-642-4881

  ECMA-139    Adopted as ECMA standard  June 28 1990
  3,81mm Wide Magnetic Tape Cartridge for Information Interchange
  --- Helical Scan Recording --- DDS Format

    ECMA (European Computer Manufacturers Association)  Ph: +41-22-735-36-34
    114 Rue du Rhone -- CH-1204  Geneva Switzerland    Fax: +41-33-786-52-31

The DCLZ data compression algorithm

  ANSI X3B5/91-124 (2nd Draft, April 1991)
    Chairman:   Richard Steinbrenner  AT&T Bell Labs, NJ  +1-201-386-7053
    TechEditor: Pete Bramhall         HP Bristol England  +44-117-9799910
  
  ECMA-151   Adopted as ECMA standard   June 1991
  Data Compression for Information Interchange
  --- Adaptive Coding with Embedded Dictionary --- DCLZ Algorithm

    ECMA (European Computer Manufacturers Association)  Ph: +41-22-735-36-34
    114 Rue du Rhone -- CH-1204  Geneva Switzerland    Fax: +41-33-786-52-31

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