Compression
From Wikipedia, the free encyclopedia
Compression may refer to:
- Gas compression, raising the pressure and reducing the volume of gases
- Physical compression, the result of the subjection of a material to compressive stress
- Compression arch suspended-deck bridge, a compression arch rises above the deck
- Compression (geology), a system of forces that tend to decrease the volume of or shorten rocks.
- Compression in zoology and paleontology refers to where an animal, or part of an animal is shorter or narrower compared with other animals in the same group; eg the body of a lizard may be compressed (flattened) so it can better fit into crevices under rocks.
- Compression ratio, a number that predicts the performance of any internal-combustion engine
- Data compression, 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
- Gain compression in electronic amplifiers, which is a result of device non-linearity
- Audio level compression, usually artificially introduced gain compression to improve the perceived quality of audio
- Compression (functional analysis), in mathematics
- Compression bandage, designed to reduce the flow of blood
- Compression, the opposite of Tension.
Compressibility also has the special meanings:
- Compressibility, a measure of volume change resulting from pressure (typically for fluids)
- Reciprocal of the bulk modulus (typically for solids)
[edit] See also
- Gas compressor
- Compressor
- Kompressor
- Compressor (software), Final Cut video and audio compression and encoding application
- compress, a UNIX program
- Compaction
- Decompression
- Expansion
- Compression shorts