The advanced codec pack is for use by encoders, it features a large number of codec's and also some additional tools.

Cole2k Media - Codec Pack Advanced Features
DivX 6.4 Pro Video Codec.
DivX Web Player 1.2 browser plugin.
XviD 1.1.2 Video (Encoder) Codec - Koepi's 01/11/06 Build
ffdshow Video Codec 20051129 by Milan Cutka.
CoreAVC 0.0.0.4
x264 h.264/AVC CLI (Encoder) Codec Revision 614.
Microsoft - Windows Media 9 Video Codec 9.0.1.369.
On2 Technologies VP7 Video (Decoder) Codec 7.0.8.
On2 Technologies VP6 Video Codec 6.4.2.
Flash Video Splitter 1.0.0.1.
Huffyuv Lossless Video Codec 2.2.0.1.
Ligos Indeo XP Video Codec 5.2820.15.58.
Intel Indeo Video Codec 4.51.16.2.
Intel Indeo Video Codec 3.24.1.2.

InterVideo Video Filter 7.0.27.191.
InterVideo Audio Filter 7.0.27.191.
CyberLink DVD Video/SP Filter 6.0.2.2806.
CyberLink DTV Video/SP Filter 3.5.0.3629.
CyberLink AC3 Filter 6.0.0.2806.
DScaler MPEG Filter 5.0.0.8.
AC3Filter 1.11.
DVBPortal HDTV Pump Filter 1.0.7.
RadLight PVA Splitter 1.0.0.0.
MythTV Filters 0.10.0.

AC3ACM v1.31 by fccHandler - For use in VirtualDub-MPEG2.
Core AAC Playback Filter 1.2.0.573 + AAC Parser Filter 1.1.0 By Tom Judd.
Core FLAC Playback Filter 0.4.0.464.
Core WavPack Playback Filter 1.0.3.
Core Vorbis Playback Filter 1.1.0.79 + OGG Splitter 1.0.0.0 By Gabest.
RadLight APE Playback Filter 1.0.0.4 - for Monkey Audio.
RadLight MPC Playback Filter 1.0.0.4 - for MusePack.
RadLight OFR Playback Filter 1.0.0.1 - for OptimFROG.
RadLight TTA Playback Filter 1.0.0.0 - for True Audio.
Sony ATRAC3 0.98 ACM Codec also known as MDLP2.
DivX ACM Audio Codec also known as Windows Media Audio 4.1.
Lame MP3 3.97 ACM Codec.
Fraunhofer IIS MP3 1.2.0.63 Professional + 1.9.0.305 Advanced ACM Codec.

Advanced MP3 playback options:
Fraunhofer IIS DirectShow filter 1.9.0.311.
Fraunhofer IIS DirectShow filter 1.5.0.50.
Lame 3.97 DirectShow filter.

Haali Media Splitter 29/10/2006 - For MP4, MKV, OGM and AVI container files.
AVI - AC3/DTS Converter + DTS/AC3 Source Filter By Gabest.
D2V Source Splitter 1.0.0.0.
FLIC Source Splitter 1.0.0.0.
SHOUTcast Source Splitter 1.0.0.1.
DSP-worx MOD Source Filter 0.60.
DSP-worx MP3 Source Filter 1.30.

DSP-worx DC-DSP Filter 1.03.
DeDynamic Filter 1.02 - DirectShow Dynamic Range Compressor.
4Front Headphones plugin 1.0c For Windows Media Player 9.0+.
VSFilter 2.33 (Unicode) - Subtitle Reader.
XCD Filter - Also known as Form 2 Mode 2 CD.
GSpot Codec Information Appliance 2.52 Beta 1.
DivX4Bitrate Calc 2.4.2 - For getting your initial bitrate calculated.
Microsoft DirectShow + DirectX Diagnostics Tools - Including GraphEdit.
Softella Filter Manager 0.50 - For setting DirectShow filters.
Shell Context Menu - Allows you to manually register and unregister dll's,
ocx's, ax's and exe's through the right click context menu.

Installation Advice:
First of all it is strongly advised that you remove your previous codec pack, it is not always essential but may help to rule out any future problems.
DivX 6.2.5 Pro is featured in this pack which starts with a trial period of 180 days, even if you have previously had DivX 5.x registered or your PC you will need to enter a new key with this version.

You will NOT be shown any adverts or have any spyware installed on your PC during the DivX 6.1 Pro trial period.