Multimeda
VideoInspector is a tool designed to provide you with as much information as possible about your video files. With VideoInspector you'll know why your video files have no sound or refuses to play correctly. VideoInspector will help you to install the required CoDecs (coder/decoder software) for optimal performance. VideoInspector can also inspect your system to find which codecs are available, and it can also process multiple video files and export the results in HTML or plain text files.
http://www.kcsoftwares.com
XP Only VLC is a simple, versatile and highly portable multimedia player for almost every existent audio and video formats such as MPEG-1, MPEG-2, MPEG-4, DivX, mp3, ogg, as well as DVDs, VCDs, and various streaming protocols. In addition, it also can function as a streaming media server.
XP Only
QuickTime is memory-sapping software that runs in the background all the time. It also includes the bundled iTunes software. If you don't use iTunes, consider using QuickTime Alternative. QuickTime Alternative will allow you to play QuickTime files (.mov, .qt and other extensions) without having to install the official QuickTime Player. It also supports QuickTime content that is embedded in webpages. This program also includes Media Player Classic and most of the codecs used on the web and will play most any video format, including DVDs.
~ http://www.free-codecs.com/download/QuickTime_Alternative.htm
The advanced QuickTime architecture provides state-of-the-art multimedia technologies that enable everything from high-definition audio and video playback to the creation of immersive environments. QuickTime empowers the development of innovative software such as iTunes, iMovie and Final Cut Pro from Apple as well as thousands of cross-platform programs from third parties.
Even if we paid for this free open-source media conversion tool we would be impressed with its polish, versatility, and ease-of-use. Translate just about any imaginable audio and video file type into another with this little gem. From Ogg Vorbis to MP4 to mobile phone format, this thing just regurgitates everything, and it even has a built-in player that previews the final product. Nice view.
Codecs are needed for listening to various music formats and viewing movies. If you have a movie you can’t view or music that won’t play, try installing one or more of these packages. The codecs that comes with windows are limited.