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ECMA 222 : 1ED 95

Current
Current

The latest, up-to-date edition.

ADAPTIVE LOSSLESS DATA COMPRESSION ALGORITHM
Published date

01-12-2013

1 Scope
2 Conformance
3 Reference
4 Definitions
  4.1 Compressed Data Stream
  4.2 Copy Pointer
  4.3 Current Address
  4.4 Data Byte
  4.5 Displacement Field
  4.6 End Marker
  4.7 History Buffer
  4.8 Literal
  4.9 Matching String
  4.10 Match Count
  4.11 Match Count Field
  4.12 Pad Bits
5 Conventions and Notations
  5.1 Representation of numbers
  5.2 Names
6 ALDC compression algorithm
  6.1 Encoding description for a 512-byte History Buffer
  6.2 Description of the Compressed Data Stream
Annex A - ALDC encoding format
Annex B - ALDC Overview
Annex C - ALDC Encoding Flow Chart
Annex D - Bibliography

Specifies a lossless compression algorithm to reduce the number of bytes required to represent data. The algorithm is known as Adaptive Lossless Data Compression algorithm (ALDC).

DocumentType
Standard
PublisherName
European Computer Manufacturers Association
Status
Current

Standards Relationship
ISO/IEC 15200:1996 Corresponds

ECMA 316 : 2ED 2001 8 MM WIDE MAGNETIC TAPE CARTRIDGE FOR INFORMATION INTERCHANGE - HELICAL SCAN RECORDING - VXA-1 FORMAT
ECMA 278 : 2ED 2000 DATA INTERCHANGE ON 12,7 MM 128-TRACK MAGNETIC TAPE CARTRIDGE - PARALLEL SERPENTINE FORMAT

ISO/IEC 11576:1994 Information technology Procedure for the registration of algorithms for the lossless compression of data

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