Data compression example

  • Text compression techniques

    For data transmission, compression can be run on the content or on the entire transmission.
    When information is sent or received via the internet, larger files, either on their own or with others, or as part of an archive file, may be transmitted in one of many compressed formats, like ZIP, RAR, 7z, or MP3..

  • Text compression techniques

    The frequency distribution, histogram, and ogive all represent a large amount of data with a much smaller diagram/graph or formula.
    Thus, they represent a compressed form of data..

  • Text compression techniques

    Therefore, we use compression tools to compress big files and decrease their size.
    The format of the files changes while compressing and we cannot access or edit them directly.
    Besides, we can easily decompress the file and get the original file back.
    Examples are WinZip, WinRAR, WinAce, PeaZip, 7-Zip, etc..

  • What is an example of a compression system?

    Therefore, we use compression tools to compress big files and decrease their size.
    The format of the files changes while compressing and we cannot access or edit them directly.
    Besides, we can easily decompress the file and get the original file back.
    Examples are WinZip, WinRAR, WinAce, PeaZip, 7-Zip, etc..

Data compression example
Data compression example

Capability that can be built into web servers and web clients

HTTP compression is a capability that can be built into web servers and web clients to improve transfer speed and bandwidth utilization.
S3 Texture Compression (S3TC) is a group of related lossy texture compression algorithms originally developed by Iourcha et al. of S3 Graphics, Ltd. for use in their Savage 3D computer graphics accelerator.
The method of compression is strikingly similar to the previously published Color Cell Compression, which is in turn an adaptation of Block Truncation Coding published in the late 1970s.
Unlike some image compression algorithms, S3TC's fixed-rate data compression coupled with the single memory access made it well-suited for use in compressing textures in hardware-accelerated 3D computer graphics.
Its subsequent inclusion in Microsoft's DirectX 6.0 and OpenGL 1.3 led to widespread adoption of the technology among hardware and software makers.
While S3 Graphics is no longer a competitor in the graphics accelerator market, license fees have been levied and collected for the use of S3TC technology until October 2017, for example in game consoles and graphics cards.
The wide use of S3TC has led to a de facto requirement for OpenGL drivers to support it, but the patent-encumbered status of S3TC presented a major obstacle to open source implementations, while implementation approaches which tried to avoid the patented parts existed.

Fast data compression and decompression library written in C++ by Google

Snappy is a fast data compression and decompression library written in C++ by Google based on ideas from LZ77 and open-sourced in 2011.
It does not aim for maximum compression, or compatibility with any other compression library; instead, it aims for very high speeds and reasonable compression.
Compression speed is 250 MB/s and decompression speed is 500 MB/s using a single core of a circa 2011 Westmere 2.26 GHz Core i7 processor running in 64-bit mode.
The compression ratio is 20–100% lower than gzip.

Method of data compression

In computing, solid compression is a method for data compression of multiple files, wherein all the uncompressed files are concatenated and treated as a single data block.
Such an archive is called a solid archive.
It is used natively in the 7z and RAR formats, as well as indirectly in tar-based formats such as .tar.gz and .tar.bz2.
By contrast, the ZIP format is not solid because it stores separately compressed files.

Class of video frames processed in a distinct way by a compression algorithm


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