Difference between revisions of "*.OGG"

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(likewise, please improve this instead of reverting)
(sigh... if you want something done right, you need to do it yourself)
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'''.OGG''' is a container format ([http://en.wikipedia.org/wiki/Ogg OGG file format]) for audio or audio and video.  
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'''.OGG''', or Ogg (see [http://en.wikipedia.org/wiki/Ogg Ogg file format]), is a file format for compressed multimedia files and a popular competitor to [[.MP3]].  Unlike MP3, Ogg uses an open-source, open-standard format and a permissive license, both of which allow it to be incorporated into the FS2_Open source code.  Also unlike MP3, Ogg is a [http://en.wikipedia.org/wiki/Container_format container format], meaning that it can contain video data (via the Theora codec) in addition to audio data (via the Vorbis codec).
  
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The audio compression component is usually Vorbis, which is somewhat akin to MP3, except it is a open-source, open-standard format. The advantage over WAV is smaller file sizes, but with a minimal loss in quality (depending on what quality settings are used). Vorbis uses a quality parameter from -1 to 10, 5 being the default (about 160kbps). Lower numbers are lower quality. Despite what some people may think, 10 is not lossless, use FLAC for this. [[User:Bruce89|Bruce89]] 13:09, 9 September 2007 (CDT)
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Since Ogg delivers significantly smaller file sizes than [[.WAV]], while retaining substantially the same level of audio quality, it is becoming more and more frequently used in FSO-targeted mods.  Ogg is not, however, a lossless format -- i.e., it is not possible to exactly reconstruct the original data from an .OGG file because some is "lost" in the conversion process.  This is not usually a problem, however, because a high-quality .OGG file is usually indistinguishable from the source. A popular lossless alternative to Ogg Vorbis is [[.FLAC]].
  
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The video compression component is Theora, again being a open-source, open-standard format.
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Audacity and Goldwave are two popular programs that allow .WAV files to be converted to .OGG.  Audacity is freeware, while Goldwave is shareware that ceases to function after a period of time.
  
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Audacity and Goldwave are two popular programs that allow .WAV files to be converted to OGG Vorbis files.
 
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[[Category:File Types]]
 
[[Category:File Types]]

Revision as of 07:23, 11 September 2007

.OGG, or Ogg (see Ogg file format), is a file format for compressed multimedia files and a popular competitor to .MP3. Unlike MP3, Ogg uses an open-source, open-standard format and a permissive license, both of which allow it to be incorporated into the FS2_Open source code. Also unlike MP3, Ogg is a container format, meaning that it can contain video data (via the Theora codec) in addition to audio data (via the Vorbis codec).

Since Ogg delivers significantly smaller file sizes than .WAV, while retaining substantially the same level of audio quality, it is becoming more and more frequently used in FSO-targeted mods. Ogg is not, however, a lossless format -- i.e., it is not possible to exactly reconstruct the original data from an .OGG file because some is "lost" in the conversion process. This is not usually a problem, however, because a high-quality .OGG file is usually indistinguishable from the source. A popular lossless alternative to Ogg Vorbis is .FLAC.

Audacity and Goldwave are two popular programs that allow .WAV files to be converted to .OGG. Audacity is freeware, while Goldwave is shareware that ceases to function after a period of time.

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