[permalink] [id link]
Lossy compression is most commonly used to compress multimedia data ( audio, video, and still images ), especially in applications such as streaming media and internet telephony.
from
Wikipedia
Some Related Sentences
Lossy and compression
* Formats with lossy compression, such as MP3, Vorbis, Musepack, AAC, ATRAC and Windows Media Audio Lossy ( WMA lossy )).
* Lossy codecs: Many of the more popular codecs in the software world are lossy, meaning that they reduce quality by some amount in order to achieve compression.
* Lossy compression
Lossy compression reduces bits by identifying marginally important information and removing it.
Lossy data compression is contrasted with lossless data compression.
Lossy image compression can be used in digital cameras, to increase storage capacities with minimal degradation of picture quality.
Lossy audio compression algorithms provide higher compression at the cost of fidelity, are used in numerous audio applications.
Lossy compression depends upon the quality required, but typically yields files of 5 to 20 % of the size of the uncompressed original.
Lossy audio compression is used in a wide range of applications.
Lossy compression typically achieves far greater compression than lossless compression ( data of 5 percent to 20 percent of the original stream, rather than 50 percent to 60 percent ), by discarding less-critical data.
Lossy compression formats suffer from generation loss: repeatedly compressing and decompressing the file will cause it to progressively lose quality.
* Lossy audio formats, comparing the speed and compression strength of five lossy audio formats.
* Lossy PNG image compression ( research )
Lossy compression algorithms
* Lossy compression
* Lossy compression
Category: Lossy compression algorithms
Category: Lossy compression algorithms
* Lossy data compression – Data compression with loss of information
Lossy and is
Lossy methods are especially suitable for natural images such as photographs in applications where minor ( sometimes imperceptible ) loss of fidelity is acceptable to achieve a substantial reduction in bit rate.
Lossy data correction, or prediction, is used to recover data missing from some dimensions.
Lossy data compression involves discarding some of the media's data so that it becomes simplified enough to be stored within the desired disk space ( known as a data rate or bit rate for media that is streamed ).
Lossy audio compression therefore allows a 75-95 % reduction in file size, but runs the risk of potentially reducing audio quality if important information is mistakenly discarded.
Little is known about his music education after the death of his father ; his music teachers may have included Jan Willemszoon Lossy, a little-known countertenor and shawm player at Haarlem, and / or Cornelis Boskoop, Sweelinck's father's successor at the Oude Kerk.
Mp3Splt is a command line utility to split mp3 ( VBR supported ) and ogg files selecting a begin and an end time position, without decoding, thus avoiding digital generation loss ( see also Lossy compression # Lossless editing ).
Lossy compression algorithms preserve a representation of the original uncompressed image that may appear to be a perfect copy, but it is not a perfect copy.
Lossy and most
Lossy methods are most often used for compressing sound, images or videos.
Lossy and used
Lossy formats are often used for the distribution of streaming audio, or interactive applications ( such as the coding of speech for digital transmission in cell phone networks ).
Lossy ferrite beads may also be used to isolate or ' island ' sections of circuitry.
Lossy and data
* Lossy data compression
( Lossy compression was necessary to reduce the data rate to a level that a stationary head could cope with ).
Lossy formats such as mp3 and ogg work well with the human ear but may be missing crucial data for study.
variables decreases-see as an example in a different context, Lossy data compression ), there need not be an inverse for a given RG
* Lossy data conversion
*** Lossy data compression
* Lossy data compression
Lossy and audio
Lossy audio compression typically works with a psychoacoustic model — a model of human hearing perception.
Lossy audio formats typically involve the use of a time / frequency domain transform, such as a modified discrete cosine transform.
Lossy audio compression schemes that are based on overlapping time / frequency transforms add a small amount of padding silence to the beginning and end of each track.
Lossy and .
* R. E. Collin, " Hertzian Dipole Radiating Over a Lossy Earth or Sea: Some Early and Late 20th-Century Controversies ", Antennas and Propagation Magazine, 46, 2004, pp. 64-79.
compression and is
A cylinder's compression ratio is computed by comparing the cylinder's volume, or its displacement, with the total volume of the cylinder and its combustion chamber.
The compression ratio is 10 to 1.
Note that this pressure increase is more than a simple 10: 1 compression ratio would indicate ; this is because the gas is not only compressed, but the work done to compress the gas has also heated the gas and the hotter gas will have a greater pressure even if the volume had not changed.
This is why a high compression engine requires fuels specially formulated to not self-ignite ( which would cause engine knocking when operated under these conditions of temperature and pressure ), or that a supercharger and intercooler to provide a lower temperature at the same pressure would be advantageous.
This compression progress is proportional to the observer's internal reward, also called curiosity reward.
* mpc-Musepack or MPC ( formerly known as MPEGplus, MPEG + or MP +) is an open source lossy audio codec, specifically optimized for transparent compression of stereo audio at bitrates of 160 – 180 kbit / s.
Vorbis offers compression similar to MP3 but is less popular.
Level compression is not to be confused with audio data compression, where the amount of data is reduced without affecting the amplitude of the sound it represents.
Many file archivers employ archive formats that provide lossless data compression to reduce the size of the archive which is often useful for transferring a large number of individual files over a high latency network like the Internet.
* It's impossible to take advantage of redundancy between files unless the compression window is larger than the size of an individual file.
The compression of the spring determines the actual force which the wind is exerting on the plate, and this is either read off on a suitable gauge, or on a recorder.
In most amplifiers a reduction in gain takes place before hard clipping occurs ; the result is a compression effect, which ( if the amplifier is an audio amplifier ) sounds much less unpleasant to the ear.
For these amplifiers, the 1 dB compression point is defined as the input power ( or output power ) where the gain is 1 dB less than the small signal gain.
Bridges employing only compression are relatively inefficient structurally, but may be highly cost efficient where suitable materials are available near the site and the cost of labor is low.
Fractional bandwidth is used for wideband antennas because of the compression of the percent bandwidth that occurs mathematically with percent bandwidths above 100 %, which corresponds to a fractional bandwidth of 3: 1.
The use of data coding for data compression predates the computer era ; an early example is the telegraph Morse code where more-frequently used characters have shorter representations.
As discussed above, concrete is very strong in compression, but weak in tension.
0.204 seconds.