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Line 1: − <div style="position:absolute; z-index:-1;position:absolute; top:-100px; right:-500px; ">[[File:President Barack Obama.jpg]]</div>A '''codec''' is an [[algorithm]] which describes a method of compressing and decompressing data, thus the name codec, derived from '''co'''mpression '''dec'''ompression.+ Line 7:
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A '''codec''' is an [[algorithm]] which describes a method of compressing and decompressing data, thus the name codec, derived from '''co'''mpression '''dec'''ompression.
One guide describes codecs in this manner:
One guide describes codecs in this manner:
===FLAC===
===FLAC===
The '''Free Lossless Audio Codec''', abbreviated as FLAC, is, as the name suggests, an [[open source|open-source]] [[lossless]] digital [[audio codec]], and purports itself to be the fastest, most widely supported lossless audio codec<ref>http://flac.sourceforge.net/comparison.html</ref>. FLAC has been incorporated under the banner of the [[Xiph.org Foundation]], along with [[Ogg Vorbis|Vorbis]], [[Speex]], [[Theora]] and others.
The '''Free Lossless Audio Codec''', abbreviated as FLAC, is, as the name suggests, an [[open source|open-source]] [[lossless]] digital audio codec, and purports itself to be the fastest, most widely supported lossless audio codec.<ref>http://flac.sourceforge.net/comparison.html</ref> FLAC has been incorporated under the banner of the Xiph.org Foundation, along with [[Ogg Vorbis|Vorbis]], Speex, Theora and others.
===MP3===
===MP3===
===Vorbis===
===Vorbis===
'''Vorbis''', commonly known as Ogg Vorbis, due to the common use of [[Ogg]] as a containment wrapper for Vorbis, is an [[open source|open-source]] audio compression codec which is capable of delivering greater audio quality at a lower file size than does [[MP3]]. Vorbis is also free of the aggressive copyright policy that MP3 is licensed under, which forces software writers to pay a fee to be able to legally write and distribute software that is capable of encoding audio as MP3.
'''Vorbis''', commonly known as Ogg Vorbis, due to the common use of Ogg as a containment wrapper for Vorbis, is an [[open source|open-source]] audio compression codec which is capable of delivering greater audio quality at a lower file size than does [[MP3]]. Vorbis is also free of the aggressive copyright policy that MP3 is licensed under, which forces software writers to pay a fee to be able to legally write and distribute software that is capable of encoding audio as MP3.
==Video codecs==
==Video codecs==