A new version of the 64-bit codec pack has been released.

K-Lite Codec Pack 64-bit

This is a bundle of 64-bit DirectShow filters that can be used together with 64-bit players, such as Windows Media Center. This pack can co-exist without problems with the regular (32-bit) K-Lite Codec Pack.

The 64-bit versions of Windows can run 32-bit software perfectly fine. So it is recommended to use the regular K-Lite Codec Pack when possible. That one contains more, better and faster decoders. You only need 64-bit filters for use with 64-bit applications.

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Changelogs

Changelog 4.2.0 to 4.3.0 ~ 2011-01-14

• Updated ffdshow to revision 3732
• Added MPEG audio splitter. Useful on Windows 7 when the MS MP3 DMO decoder is disabled with Win7DSFilterTweaker.
• Minor changes

Contents of version 4.3.0:

• ffdshow [revision 3732]
• AC3Filter [version 1.63b]
• AC3File [version 0.7b]
• Haali Media Splitter [version 1.10.348.15]
• Matroska splitter (Gabest) [version 1.4.1.2845]
• MP4 splitter (Gabest) [version 1.4.1.2845]
• FLV splitter (Gabest) [version 1.4.1.2845]
• RealMedia splitter (Gabest) [version 1.4.1.2845]
• MPEG splitter (Gabest) [version 1.4.1.2845]
• CDXA Reader (Gabest) [version 1.4.1.2845]
• MPEG audio splitter (Gabest) [version 1.4.1.2845]
• DirectVobSub [version 2.40.1.2845]
• Lagarith [version 1.3.20]
• Codec Tweak Tool [version 4.6.3]
• Win7DSFilterTweaker [version 4.0]
• GraphStudio [version 0.3.2.0]