Encode MP3’s in WMP

The times they are a-changin’.

This post seems to be older than 15 years—a long time on the internet. It might be outdated.

I have music, lots of music. I was fine with using the Windows Media Audio (WMA) format for a while, but then I realized that it would be better to have all my music encoded in MP3 format because it would be more portable to various programs and portable music devices, such as iPod. However, there is a problem, Windows Media Player (WMP) doesn’t come with the MP3 codec! If you want to encode an MP3, you have to shell out some money to get the codec. We’ll, shell no longer! Simply download this MP3 codec and registry file and you’ll soon be on your way to encoding. If you use Windows 95, Windows 98, or Windows XP:

  1. Copy the L3codecp.acm file to your C:\windows\system32\ directory
  2. Double click on MP3_XP.reg and click “Yes” when the computer asks are you sure you want to add the information to the registry.
  3. Open Windows Media Player, click Tools > Options
  4. Click on the Copy Music tab
  5. Select MP3Encoding from the Format Tab

If you use Windows XP or Windows NT4:

  1. Copy the L3codecp.acm file to your C:\winnt\system32\ directory
  2. Double click on MP3_W2K.reg and click “Yes” when the computer asks are you sure you want to add the information to the registry.
  3. Open Windows Media Player, click Tools > Options
  4. Click on the Copy Music tab
  5. Select MP3Encoding from the Format Tab

Registry Window
Step 2
Options Dialog
Steps 4 and 5

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7 thoughts on “Encode MP3’s in WMP”

  1. Pingback: thecomputersociety.org software list

  2. I tried to install the registry file in windows SE the following error message came up.

    Cannot import C:\Temp\MP3_XP.reg: the specified file is not a registry script, You can only import registry files.

    Checking the registry entries revealed a different format to the one in MP3_XP.reg. as per an example of Instal.reg:

    REGEDIT4

    [HKEY_CLASSES_ROOT\CLSID\{CE6F0BF9-D809-4810-8EF5-7024C88C60F7}]
    @=”System Properties”
    “InfoTip”=”Provides information about your hardware and operating system.”

    [HKEY_CLASSES_ROOT\CLSID\{CE6F0BF9-D809-4810-8EF5-7024C88C60F7}\ShellFolder\]
    “Attributes”=dword:a0000000

    [HKEY_CLASSES_ROOT\CLSID\{CE6F0BF9-D809-4810-8EF5-7024C88C60F7}\DefaultIcon\]
    @=”SysProps.dll,0”

    [HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Explorer\ControlPanel\Namespace\{CE6F0BF9-D809-4810-8EF5-7024C88C60F7}\]
    @ = “System Properties Namespace Extension”

    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ShellExtensions\Approved\]
    “{CE6F0BF9-D809-4810-8EF5-7024C88C60F7}”=”System Properties”

  3. Got the SE part. Once you’ve been using computers as long as I have…

    In any event, sorry to hear the Reg File doesn’t work. You might try deleting the line “Windows Registry Editor Version 5.00” from the top. If that doesn’t work, you could try importing the data manually.

    Disclaimer: Modifying the registry is inherently dangerous! I take no responsibility for any issues you may encounter.

  4. Thanks for the reply, tried your suggestion re the reg version, still did not work, I then looked how other 95 – 98 reg files were written, and decided that I was not bright enough to re-write the reg file into the required format, a hand massage got the data into the registry, it appeared to work all right, I was able to select MP3 and change the speed to the various settings, but when I pushed the copy music button, the following error came up.

    “Windows Media Player cannot copy the file because a compatible MP3 encoder is not installed on your computer. Install a compatible MP3 encoder, or choose a different format to copy to (such as Windows Media Audio).”

    If this is getting too hard let me know, and I try to find alternate software.

    Thanks again.
    Billy Tee

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