Lossy Data Compression

VP
Compression used to minimize bit rate for editing and processing. Video can sometimes be compresses 100:1 without noticeable quality loss. Audio can be compressed 10:1 before noticing loss.

Audio and video glossary. 2014.

Look at other dictionaries:

  • Data compression — Source coding redirects here. For the term in computer programming, see Source code. In computer science and information theory, data compression, source coding or bit rate reduction is the process of encoding information using fewer bits than… …   Wikipedia

  • Lossy data conversion — A lossy data conversion method is one where converting data between one storage format and another displays data in a form that is close enough to be useful, but may differ in some ways from the original. This type of conversion is used… …   Wikipedia

  • Data compression ratio — Data compression ratio, also known as compression power, is a computer science term used to quantify the reduction in data representation size produced by a data compression algorithm. The data compression ratio is analogous to the physical… …   Wikipedia

  • data compression — Process of reducing the amount of data needed for storage or transmission of a given piece of information (text, graphics, video, sound, etc.), typically by use of encoding techniques. Data compression is characterized as either lossy or lossless …   Universalium

  • data compression —    Any method of encoding data so that it occupies less space than it did in its original form, thus allowing that data to be stored, backed up, retrieved, or transmitted more efficiently. Data compression is used in fax and many other forms of… …   Dictionary of networking

  • Lossless data compression — is a class of data compression algorithms that allows the exact original data to be reconstructed from the compressed data. The term lossless is in contrast to lossy data compression, which only allows an approximation of the original data to be… …   Wikipedia

  • Transparency (data compression) — In data compression or psychoacoustics, transparency is the ideal result of lossy data compression. If a lossily compressed result is perceptually indistinguishable from the uncompressed input, then the compression can be declared to be… …   Wikipedia

  • Lossless Data Compression — VP A compression technique that allows the original data to be reconstructed when uncompressed. This is in contrast to lossy data compression, where only an approximation of the original data is available …   Audio and video glossary

  • Lossy compression — A lossy compression method is one where compressing data and then decompressing it retrieves data that may well be different from the original, but is close enough to be useful in some way. Lossy compression is most commonly used to compress… …   Wikipedia

  • Compression artifact — Original image, with good color grade Loss of edge clarity and tone fuzziness in heavy JPEG compression A compression ar …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.