Registry Path, SoftwarePoliciesMicrosoftWindowsMediaPlayer. The most recent versions of the codec objects also enable access to some legacy codecs, including Windows Media Video 7 and 8, Windows Media Screen 7, the older Microsoft MPEG-4 codecs, and the Microsoft ISO MPEG-4 codecs. Supported on: Windows Media Player for Windows XP and later. If you’re prompted to install the codec, select Install. Reopen the video file in Windows Media Player. Check the box Download codecs automatically, and then click OK. TIP: Click Here to Repair/Restore Missing Windows Files. This codec is often used for software training or support by recording monitor images while computer applications are being used. Select the Player tab in Windows Media Player. The Media Player Codec Pack supports almost every compression and file type used by modern video. Around 1996 Video for Windows was rebranded to Windows Media Player following the introduction of the DirectShow codec which greatly improved the media. Video codec optimized for encoding sequential screen shots from computer monitors. On Windows XP and above with WMP 9 Series and later, the Windows Media Audio Professional codec is included which supports multichannel audio at up to. For content that is mixed music and speech, this codec can dynamically change the encoding algorithm used, to get optimal quality.Ī video codec that supports four categories of encoded content: Simple Profile, Main Profile, Advanced Profile, and Image. This is the preferred codec for streams consisting mostly of spoken words. CodecĪn audio codec that supports three categories of encoded content: Standard, Professional, and Lossless.Īudio codec optimized for encoding the human voice at high compression ratios. The following table describes the intended uses of the Windows Media codecs. The algorithms used to compress and decompress data for spoken words differ from the algorithms used to compress and decompress music data. Not only are there different codecs for audio and for video, but also different codecs for different kinds of content that you might want to put into an audio or video file. In some cases the COM objects occupy the same dynamically linked library (DLL).Įvery codec object implements two separate but similar interfaces: InterfaceĬompatible with Microsoft Media Foundation. A codec is usually implemented as a pair of COM objects: one for encoding content, and another for decoding content. The term codec is an amalgamation of the terms compressor and decompressor. For a technical overview of the features of the Windows Media codecs, see About the Windows Media Codecs. This documentation is primarily for developers who want to use Windows Media codecs in their C++-based media applications.
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