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What is a vodcast?: Difference between revisions
→Formats
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=====OGV===== | =====OGV===== | ||
OGV is the open-source Ogg video container format maintained by the XIPH.ORG group. It features a high-quality playback with a small file size.<ref>http://wiki.xiph.org/MIME_Types_and_File_Extensions</ref> | OGV is the open-source Ogg video container format maintained by the XIPH.ORG group. It features a high-quality playback with a small file size.<ref>http://wiki.xiph.org/MIME_Types_and_File_Extensions</ref> | ||
=====Theora===== | =====Theora===== | ||
An open-source video compression format created by the Xiph.Org Foundation. It can handle nearly any size video, from very small to High Definition.<ref>http://www.theora.org/</ref> | An open-source video compression format created by the Xiph.Org Foundation. It can handle nearly any size video, from very small to High Definition.<ref>http://www.theora.org/</ref> | ||
=====WebM / MKV / MKV3D===== | =====WebM / MKV / MKV3D===== | ||
Matroska forms the basis for the High Definition open-source formats of MKV, MKV3D, and the HTML5 standard format WebM.<ref>http://www.matroska.org/</ref><ref>http://www.webmproject.org/</ref><ref>http://www.jwplayer.com/html5/#media_formats</ref> | Matroska forms the basis for the High Definition open-source formats of MKV, MKV3D, and the HTML5 standard format WebM.<ref>http://www.matroska.org/</ref><ref>http://www.webmproject.org/</ref><ref>http://www.jwplayer.com/html5/#media_formats</ref> | ||
====Proprietary==== | ====Proprietary==== | ||
=====3GP / 3G2===== | =====3GP / 3G2===== | ||
The primary format of cellphone videos. They often are low quality, low resolution, and low frame-rate.<ref>http://www.3gpp.org/</ref> | The primary format of cellphone videos. They often are low quality, low resolution, and low frame-rate.<ref>http://www.3gpp.org/</ref> | ||
=====AVI===== | =====AVI===== | ||
Audio Video Interleave: A multimedia container created by Microsoft for use with their Video for Windows software.<ref>http://msdn.microsoft.com/en-us/library/windows/desktop/dd318187%28v=vs.85%29.aspx</ref> This is considered a "raw" format, and provides the largest file size. This is NOT suitable for network-based video. It IS suitable as an archive format and editing format. | Audio Video Interleave: A multimedia container created by Microsoft for use with their Video for Windows software.<ref>http://msdn.microsoft.com/en-us/library/windows/desktop/dd318187%28v=vs.85%29.aspx</ref> This is considered a "raw" format, and provides the largest file size. This is NOT suitable for network-based video. It IS suitable as an archive format and editing format. | ||
=====DivX===== | =====DivX===== | ||
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=====FLV / SWF / Flash===== | =====FLV / SWF / Flash===== | ||
The well-known Flash video formats. The FLV is the actual video file, while the SWF is a player 'wrapped' around, or 'containing' a FLV video. Adobe, the current owner of the Flash platform, has acknowledged that Flash is deprecated and will be superseded by HTML5.<ref>http://blogs.adobe.com/conversations/2011/11/flash-focus.html</ref><ref>http://www.mikechambers.com/blog/2011/11/11/clarifications-on-flash-player-for-mobile-browsers-the-flash-platform-and-the-future-of-flash/</ref> | The well-known Flash video formats. The FLV is the actual video file, while the SWF is a player 'wrapped' around, or 'containing' a FLV video. Adobe, the current owner of the Flash platform, has acknowledged that Flash is deprecated and will be superseded by HTML5.<ref>http://blogs.adobe.com/conversations/2011/11/flash-focus.html</ref><ref>http://www.mikechambers.com/blog/2011/11/11/clarifications-on-flash-player-for-mobile-browsers-the-flash-platform-and-the-future-of-flash/</ref> | ||
=====H.264===== | =====H.264===== | ||
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=====MOV===== | =====MOV===== | ||
MOV files are the default format of the Apple QuickTime software. MOV files may be encoded with either H.264 or MPEG-4 codecs. | MOV files are the default format of the Apple QuickTime software. MOV files may be encoded with either H.264 or MPEG-4 codecs. | ||
=====MP2===== | =====MP2===== | ||
MPEG-2 is the video format most commonly associated with DVDs, and has been superseded by MPEG-4. | MPEG-2 is the video format most commonly associated with DVDs, and has been superseded by MPEG-4. | ||
=====MPEG-1 Audio Layer / MPEG-2 Audio Layer / MPEG-3 Audio Layer===== | =====MPEG-1 Audio Layer / MPEG-2 Audio Layer / MPEG-3 Audio Layer===== | ||
Audio compression formats. Of the three, the MP3 is the most common and well-known. | Audio compression formats. Of the three, the MP3 is the most common and well-known. | ||
MPEG stands for Moving Picture Experts Group and is the group responsible for setting motion picture industry standards. | MPEG stands for Moving Picture Experts Group and is the group responsible for setting motion picture industry standards. | ||
=====MP4/DivX===== | =====MP4/DivX===== | ||
MPEG-4 is the most recent MPEG video standard, encompassing newer HD standards. | MPEG-4 is the most recent MPEG video standard, encompassing newer HD standards. | ||
====MP4 AVC==== | ====MP4 AVC==== | ||
Also known as H.264. This is the most common format used for High Definition video. | Also known as H.264. This is the most common format used for High Definition video. | ||
=====WMV===== | =====WMV===== | ||
WMV is a Windows Media: Video format from Microsoft, and is the primary file format for Windows Media Player. Somewhat widely, but not universally, supported. Not recommended for use for large audiences with unknown platforms.<ref>http://msdn.microsoft.com/en-us/library/ff819508%28v=VS.85%29.aspx</ref> | WMV is a Windows Media: Video format from Microsoft, and is the primary file format for Windows Media Player. Somewhat widely, but not universally, supported. Not recommended for use for large audiences with unknown platforms.<ref>http://msdn.microsoft.com/en-us/library/ff819508%28v=VS.85%29.aspx</ref> | ||
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