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My acer aspire laptop keeps saying windows explorer not working.

Keep getting the message LAME ACM MP3 codec

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You can download the K-lite Codec Pack from the page linked below, and installing this should eliminate your error message.

Posted on May 07, 2008


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Posted on Jan 02, 2017


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My Acer Aspire cd /dvd drive isn't operating properly. I keep getting error message that I have no driver.

many cds/dvds get dirty by fingering on the reading side of them, use tops(ear-cleaners) to remove dirt from lens.

Apr 05, 2012 | Computers & Internet


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.

on Feb 14, 2010 | Computers & Internet


Convert ans AVI with MP3 VBR to a CBR with VirtualDub to avoid DVD audio synch...

Why are do we have MP3's with a VBR, whats the point?

VBR encoded MP3's are generally smaller than standard MP3s of the same sound quality and generally sound better, especially in the high frequencies it's also great for spoken word audio as there are often pauses and silence between sentences. However most MP3 players especially the decoders on standalone DVD players with DivX support will exhibit progressive audio delay errors with VBR audio of any type.

If you open an AVI with VBR audio MP3 track in VirtualDub or VirtualDubMod it will give you this WARNING that you may experience progressive audio errors this is certainly the case especially if you want to convert your downloaded DivX Stage 6 into DVD format that use CBR audio in either LPCM or AC3


You will need to download the Lame ACM MP3 codec extract it to a temp folder then right click on LameACM.inf, and choose install this will register and install the ACM for use with VirtualDub and VirtualDubMod note you can do this without the ACM package there is also an AC3 ACM codec that you might as well install at the same time this will allow VirtualDub to decompress Dolby Digital 5.1 audio streams.

Convert using an ACM or audio compression manager for the required MP3 codec use the same one that Gspot tells you that has been used either LAME or

  • Open Virtualdub, open your video then select Direct Stream Copy from the audio menu tick full processing mode, and then choose audio compression. The Lame MP3 should show up in the left-hand list choose CBR stereo on the right.
  • It a good idea to look in the file information so that you make sure to choose the same sample frequency as the original VBR MP3 in this case its 48,000Hz you don't want to re-sample it it will take extra time
This screendump shows the original XVID @ bitrate of 979 kbps with a 154kbps VBR audio MP3 and sample rate of 48KHz this will not work on most standalone DVD


This screendump shows the AVI re-encoded to DivX iwth a fourcc of DX50 @ bitrate of 1,000 kbps with a 128kbps CBR audio MP3 and sample rate of 48KHz this will not work on all DivX certified DVD players the pixel aspect is also 720x576.


The framerate has also been converted (NOT CHANGED) from FILM 23.976 to the UK standard of PAL 25fps you can't adjust it it must be done on the lower section of the window.


Use AVIDemux v2.52 or the latest beta AVIDemux to do the whole process for you it will create a VBR timemap to keep the AV in synch without it forget it !!!


It also allows you to convert the audio using the LAME ACM MP3 and convert to to a CBR it should take about 15mins for a 350MB AVI file don't forget to keep the AVI container packed Video bitstream to give the best re-encoding results to give you the OpenDML AVI v2.0


I have used this with mixed results it is definitely the easiest to use option with a great GUI it just takes a while to know which buttons to press to give the required results, you can also set a time lag/lead for fixed audio problems and increase the audio volume in (dB) decibels for low volume audio. You have been warned the easy isn't the best way


This shows that Avidemux has converted the AVI file to a FOURCC of DX50 required for Standalone DVD with DivX compatibility and a CBR 0x0055 MPEG-1,layer 3 the video bitstream was unpacked this will give you AVI v1.0 which you may have still problems with so leave is packed to ge the AVI v2.0 container

If this does not work and you still get a progressive audio error when you convert it to a DVD you can use a combination of AVIMux GUI ,VirtualDubMod and WinMP3 packer to split the Video and Audio change the audio stream to CBR and rejoin the two.

Open up the file in AVIMux GUI extract the binary of the audio track you need to right click it do get this then use WinMP3Packer to convert the extracted MP3 file into an MP3 file with a CBR of the same sample rate of 48KHz


Open up the full AVI in VirtualDubMod it will warn you about the improper VBR in the source click NO to rewriting the packet header, next change the video to Direct Stream Copy" and disable the audio track under the streams > stream list option and save as AVI the file with the audio VBR disabled


the audio stream must show hatched as below to ensure that the track is removed


Then I go back into VirtualDubMod, open up the AVI saved without audio, change the video to "Direct Stream Copy" go into Stream List add the re-encoded CBR MP3, and then save as AVI.

Check to see if the MP3 has been changed to CBR in GSpot also check it for sync errors fast forward to the middle and end and you will know straight away in VirtualDub or use another media player VLC is a good one that uses the free Libavcodecs.

You should then be able to convert the AVI to DVD format using ConvertXtoDVD If you have burned the result to DVD, see if the result of the converted file (before it was burned to DVD) has the same synchronization problems in order to make sure that the audio problems are not due to bad media. You may have to redo the conversion with the option "Burn result to DVD" and/or "Delete folder after successful burn" unchecked Use the latest version of VLC to watch the result

However If the unburned result also has the problem, you can check "Don't check/fix audio discontinuities" (in settings under "Audio" tab) redo the conversion and see if the result is any better.

on Feb 10, 2010 | Philips DivX DVD Player

1 Answer


This problem occurs if DSP Group TrueSpeech Audio CODEC is missing or corrupt. Normally this codec comes pre-installed winth windows. Anyways to enable it back follow the below steps:

1. Open Windows Explore goto C:/Windows/System32 and Rename tssoft32.acm to tssoft32OLD.acm

2. Click Here to Download tssoft32.acm save in C:/Windows/System32 folder

3. In Control Panel, go to Add Hardware.

4. Click Next and after it searches choose Yes, I have already connected the hardware Click Next.

5. Scroll down to the bottom of the Installed harware list and choose Add a new hardware device Click Next.

6. Choose Install the hardware that I manually select from a list (Advanced) Click Next.

7. Choose Sound, video and game controllers from the Common hardware types list. Click Next.

8. Click on the Have Disk button.

9. Click Browse

10. Navigate to the C:/Windows/System32 folder

11. Choose $winnt$.inf Click Ok. (if you cant find that file try mmdriver.inf )

12. Click Continue Anyway if you get a warning box.

13. Select DSP Group TrueSpeech Audio CODEC from the list. Click Next.

14. Click Next again to install.

15. Restart the computer.

Done! Voice should now work if you followed the steps correctly...

May 18, 2011 | Yahoo Messenger

1 Answer


This is a code to listen your mp3.

You can download the code here:

Thank you for using FIXYA!
Dont forget to rate my help!
Have a great day!
Pablo :-)
Let me know if you have further questions about this issue.

Oct 18, 2008 | Acer Aspire 3690-2196 Notebook

1 Answer

Problem caused by LAME ACM MP3 CoDec


Go to this page and then select a download from site.

This download once installed will repair all the codecs on your installation and install a neat player called Media Player Classic that will play everything from DVDs to MP3s. Mostly, you want it to fix your Codecs and get you back to go.


Please don't rate as Helpful, please rate as Fixed or don't rate at all thanks.

Aug 03, 2008 | Acer Aspire 3690-2196 Notebook

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