Standard ECMA-222

Standard ECMA-222
Adaptive Lossless Data Compression Algorithm

(June 1995)

This Ecma standard 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). The numerical identifiers according to ISO/IEC 11576 allocated to this algorithm are:

ALDC 512-Byte History Buffer: 3

ALDC 1024-Byte History Buffer: 4

ALDC 2048-Byte History Buffer: 5

The following file can be freely downloaded:

File name	Size (Bytes)	Content
ECMA-222.pdf	78 090	Acrobat (r) PDF file

This Ecma publication is also approved as ISO/IEC 15200.

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