's developer), this filter is quite constantly updated and its last versions were added the ability to open TrueHD raw files (the duration may not be detected correctly).
In order to install DTS/AC3 Source Filter 18.104.22.168
, extract the files from the archive and open the Release/Release Unicode/x86/x64 folder (depending on your operating system).
Next copy DLL or AX files in the system32 folder from C:\Windows\System32. Access Run from the Start Menu and type regsvr32 filename.dll or regsvr32 filename.ax.
If you want to uninstall the application you have to type regsvr32 -u filename.dll or regsvr32 -u filename.ax in the Run window. You will receive a message saying that your file was installed or uninstalled.
See also this small guide: How to install/uninstall DLL and AX codec files
- DTS/AC3 Source Filter - Black Edition has an installer.