ECMA 222 : 1ED 95
Current
The latest, up-to-date edition.
ADAPTIVE LOSSLESS DATA COMPRESSION ALGORITHM
12-01-2013
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 |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.