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Activate the Faunhofer IIS MP3 Professional Codec remove Advanced

The WMP Bundled MP3 codec is the L3CODECA.ACM encoder "Fraunhofer Advanced MPEG" codec has limitations on available bit-rates andkeeps the sampling rate at below 22,050Khz it is licensed by Microsoft and ACM (Audio Compression Manager) is also by Microsoft



To improve the bitrates and sample rates available to you install and activate the Professional Fraunhofer ACM codec this is called L3CODECP.ACM, use the included TWEAK to remove the Advanced version and enable the Professional version after you have installed it.



The another version of the Fraunhofer MP3 codec is L3CODECX.ACM, and is a decode version ONLY and can be seen in the drivers.desc in the registry this can't be used as an ACM for re-encoding in VirtualDub and other such programs. This is also included in the zip file HERE

If you want to remove the MP3 decoder only L3CODECX.ACM I suggest that you use Codec Sniper be carefull only DELETE press once keep your sound ON if it says HEADSHOT it has been removed....



Check with Sherlock Detective to see if the Codec has been removed sucessfully this is also the best way to view all your Audio and Video codecs it will give you version number and manufacture details

  • l3codecx.acm: v1.0.0.64 (included in WMP6.4 decode only)
  • l3codeca.acm v1.9.0.305 (Advanced): Encodes up to 56Kbps
  • l3codecp.acm v3.4.0.0 (Professional): Encodes up to 320Kbps. (included in WMP10+11)
  • l3codecp.acm (so-called "Radium" version): Encodes up to 320Kbps
If you want to extract this latest L3CODECP.ACM v3.4.0.0 that has unlimited encoding use this little tip its perfectly legal to do this by the way.



Download the wmp11-windowsxp-x86-enu.exe it may require Windows Genuine Activation then save it to the root folder then extact it the Professional Version of the Codec L3CODECP.ACM, will be included in the wmp11.exe extract this and then just copy it to the system32 folder use THIS reg tweak to install it.

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On your PC if you go into Start/Settings/Control panel/Sounds and Audio devices, under Hardware tab/Audio codecs, click Properties, you'll see the driver listed as "Fraunhofer IIS MPEG Layer-3 codec (decode only)". This confirms that the wrong driver is installed.
Something you installed, probably to burn CDs, installed a playback-only version of the driver. The driver is l3codeca.acm, which is replaced by the playback-only version l3codecx.acm.
You need to edit the Registry:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Drivers32. Locate the item named msacm.l3acm.
Its value should be changed from l3codecx.acm to l3codeca.acm.
Note that you might have to use the full path name thus:
C:\WINDOWS\system32\l3codeca.acm
For its name to appear properly in the Audio codecs list.

If that's not your problem, and you want to tranfer files to and from Mob/PC.
Go here to learn more:
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