A52 Codec Editor's Review
K-Lite Codec Pack is a free package of media player codecs. It can play almost all the movies which you download from the internet. Its supported formats include AVI, WMV, MP4, MOV, MKV, FLV, MTS, 3GP and more so that you can play virtually any video files with it. Visit developer's site Download Perian 1.2.3 3MB Mac Download old versions. Download Perian old versions Software License. Free software / FOSS (Free download and also Free and Open Source Software). If you watch video on a Mac, get this FREE codec for the mac. Mkv, ogm, xvid, divx, flv.the missing link for video on the mac. At the same time, Perian offers support for the following audio types: Windows Media Audio v1 and v2, Flash ADPCM, Xiph Vorbis (Matroska), MPEG Layer I and II Audio, True Audio, DTS Coherent Acoustics and Nellymoser ASAO. Although you can still download Perian, the project is no longer supported. Without this codec, AC3 audio isn't playable in apps that rely upon QT. (Of course, VLC doesn't have an issue but that's because VLC is self-contained and has all of the requisite components and codecs built-in.) This codec plus Perian plus Flip4Mac's free component let.
A52 is a free codec that allows you to play media files that use the AC3 encoding.Perian is an add-on for QuickTime that makes it compatible with a huge range of video file formats. That makes it much easier to watch a range of video content on the Mac: FLV, DivX, MPEG4 and so on. Instead of constantly hunting for codecs or players, QuickTime becomes the 'Swiss Army knife' of video players - a phrase its developers are proud of.
As a rule, you can find the AC3 audio encoding within the DVD movies or native multi-channel music that can use this type of encoding. This codec is also required by Perian plug-in, when it's decoding a movie that has in its container an AC3 audio stream.The codec is implemented as code-audio component. This means you can use it both in QuickTime and Core Audio components.
The support for QuickTime is well implemented. It includes an importer in order to play the *.ac3 files directly from this player.
Avi Codec For Mac
Within the DMG install image, you find a component that can enable/disable some of this codec features. The filters that you can control with this application are: Dynamic Range Compression and a downmix filter. The downmix filter generates a stereo output from a native multi-channel source. 
Quicktime Codecs For Mac
Pluses: It does a good job, when support for AC3 audio encoding is required.
Mp4 Codec Mac
Drawbacks / flaws:
In conclusion: this is a nice plug-in that helps you a lot if you use AC3 as an audio compressor for your music or if you have movies that uses this codec within their containers.
version reviewed: 1.7.2