Audio Codec : AC-3 ACM Decompressor 1.31

Dolby Digital AC-3 decoding for Windows ACM. Install this and you can convert/decompress AC3 audio directly to WAV / MP3 using VirtualDub. This also works with AviSynth, TMPGEnc, allowing you to use AC3 encoded AVI files, not normally recognised.

Audio Codec : AC-3 ACM Decompressor 1.31

Tags :
- AC-3 ACM Decompressor solves the missing audio codec error, reported by GSpot: ac3 (0x2000) Dolby Laboratories, Inc

Changes in AC-3 ACM Decompressor 1.31 :
- Fixed an MMX bug in the decoding of 3/2 channel AC-3.

; AC-3 ACM Codec install file
; Usage: right-click on this file and choose "Install"

[Version]
Signature = "$CHICAGO$"
Class = MEDIA

[Strings]
DisplayNameWin="AC-3 ACM Codec"
UninstallPath="Software\Microsoft\Windows\CurrentVersion\Uninstall\AC3ACM"
MediaClassName="Media Devices"
mfgname="fccHandler"

[SourceDisksNames]
1=%DisplayNameWin%,"",1

[SourceDisksFiles]
AC3ACM.inf=1
AC3ACM.acm=1

[DefaultInstall]
CopyFiles = AC3ACM.Copy, AC3ACM.Copy.Inf
AddReg = AC3ACM.AddReg, AC3ACM.AddReg.98
Updateinis = AC3ACM.UpdateIni

[DefaultInstall.ntx86]
CopyFiles = AC3ACM.Copy, AC3ACM.Copy.Inf
AddReg = AC3ACM.AddReg, AC3ACM.AddReg.NT
;Updateinis = AC3ACM.UpdateIni

[DefaultUnInstall]
DelFiles = AC3ACM.Copy, AC3ACM.Copy.Inf
DelReg = AC3ACM.DelReg
UpdateInis = AC3ACM.UpdateIni.Del

[DefaultUnInstall.ntx86]
DelFiles = AC3ACM.Copy, AC3ACM.Copy.Inf
DelReg = AC3ACM.DelReg
;UpdateInis = AC3ACM.UpdateIni.Del

[AC3ACM.Copy]
AC3ACM.acm

[AC3ACM.Copy.Inf]
AC3ACM.inf

[AC3ACM.UpdateIni]
system.ini, drivers32,,"msacm.ac3acm=AC3ACM.acm"

[AC3ACM.UpdateIni.Del]
system.ini, drivers32,"msacm.ac3acm=AC3ACM.acm"

[AC3ACM.AddReg]
HKLM,SYSTEM\CurrentControlSet\Control\MediaResources\msacm\msacm.ac3acm,Description,,%DisplayNameWin%
HKLM,SYSTEM\CurrentControlSet\Control\MediaResources\msacm\msacm.ac3acm,Driver,,"AC3ACM.acm"
HKLM,SYSTEM\CurrentControlSet\Control\MediaResources\msacm\msacm.ac3acm,FriendlyName,,%DisplayNameWin%
HKLM,%UninstallPath%,DisplayName,,%DisplayNameWin%

[AC3ACM.AddReg.98]
HKLM,%UninstallPath%,UninstallString,,"%10%\rundll.exe setupx.dll,InstallHinfSection DefaultUninstall 132 %17%\AC3ACM.inf"

[AC3ACM.Addreg.NT]
HKLM,"Software\Microsoft\Windows NT\CurrentVersion\Drivers32","msacm.ac3acm",,"AC3ACM.acm"
HKLM,"Software\Microsoft\Windows NT\CurrentVersion\Drivers.desc",AC3ACM.acm,,%DisplayNameWin%
HKLM,%UninstallPath%,UninstallString,,"%11%\rundll32.exe setupapi,InstallHinfSection DefaultUninstall 132 %17%\AC3ACM.inf"

[AC3ACM.DelReg]
HKCU,Software\Freeware\AC3ACM
HKLM,SYSTEM\CurrentControlSet\Control\MediaResources\msacm\msacm.ac3acm
HKLM,Software\Microsoft\AudioCompressionManager\DriverCache\msacm.ac3acm
HKLM,"Software\Microsoft\Windows NT\CurrentVersion\drivers.desc","AC3ACM.acm",,""
HKLM,"Software\Microsoft\Windows NT\CurrentVersion\drivers32","msacm.ac3acm",,""
HKLM,%UninstallPath%

[DestinationDirs]
DefaultDestDir = 11
AC3ACM.Copy = 11
AC3ACM.Copy.Inf = 17