Compression

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Look up compression or compressor in Wiktionary, the free dictionary.

Compression may refer to:

Contents 1 Physical science 2 Information science 3 Other sciences and technologies 4 See also

[edit] Physical science

• Physical compression, the result of the subjection of a material to compressive stress
  • Compression member, a class of structural elements, of which a column is the most common specific example
  • Compressibility, the reciprocal of the bulk modulus (typically for solids)
• Gas compression, raising the pressure and reducing the volume of gases
  • Compression ratio, a number that predicts the performance of any internal-combustion engine
  • Compressibility, a measure of volume change resulting from pressure (typically for fluids)
• Compression (geology), a system of forces that tend to decrease the volume of or shorten rocks

[edit] Information science

• Data compression, the process of encoding information using fewer bits
  • Image compression
  • Audio data compression
  • Video compression
    • Compression artifact, noticeable defects in audio or video that has been compressed
  • Bandwidth compression, in telecommunications
• Dynamic range compression in audio recording and mastering, usually artificially introduced gain compression to make the audio louder on the same volume setting

[edit] Other sciences and technologies

• Gain compression, in electronic amplifiers, a result of device non-linearity
• Compression (functional analysis), in mathematics
• Compression bandage, designed to reduce the flow of blood. it also means to compress
• Brain Compression, A very deadly condition where pressure is exerted on the brain by internal bleeding
• compression (phonetics), running syllables together in informal speech.
• Compression (zoology) when an animal, or part of an animal, is shorter or narrower compared with other animals in the same group; e.g. the body of a lizard may be compressed (flattened) so it can better fit into crevices under rocks

[edit] See also

• Compressor (disambiguation)
• compress, a UNIX program
• Compaction
• Decompression
• Expansion
• Compression shorts

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