Data Compression


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Survey Formats

Basics

Compression Methods

Data Formats


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Data Compression Technology


The development of data compression procedures starts immediately after the appearance of the first computer systems. At any time available resources like memory or data transfer capabilities were limited or an adequate investment was required.


This circumstances have not changed up to now. Moreover, the need for data compression has been strengthened due to larger and more complex contents. Nowadays almost every multimedia data as audio or video will be used in a compressed form. This trend is supported by more powerful hardware components beiing available.


In the meantime a variety of procedures is available specially designed to fulfill the different requirements. Selecting a proper compression procedure is always a compromise that tries to reconcile contrary characteristics.


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