audacity hates the lame_enc

I installed Audacity 2.0.2 that came with a cassette to computer converter. In attempting to run it and convert the tape file to mp3 we encountered an error saying this version of Audacity is not compatible with the version of the lame_enc.dll we had. Updated to lame 3.99.5. Same error. Updated to the latest version of Audacity 2.1.0. Same error.

You are linking to lame_enc.dll v3.99. This version is not compatible with Audacity 2.1.0. Please download the latest version of the LAME MP3 Library.

It doesn’t matter which version of Audacity or lame_enc.dll we get the same message with the appropriate version of Audacity 2.0.2, 2.1.0 and lame_enc.dll mentioned.

We are running Windows 7 Home Premium version 6.1.7601 service pack 1.
Any help would be gratefully appreciated. Lots of old tapes to convert.
Thanks in advance.

Please do use Audacity 2.1.0 from

Then follow, downloading the lame_enc.dll mentioned in those instructions. The reason this is necessary is because most lame_enc.dll files you can find online don’t have enough “symbols” in them that ensure the file metadata and length are written correctly.


Thank you very much Gale. This seems to be outputting mp3 now.
All I have to do now is work out how to make multiple tracks with the right names.

Once you get the right lame encoder all you need to do for cassette tapes is get a patch cord with the same size head phone jacks on each end. And a good tape playing boom box with head phone capability plug the patch cord into the boom box and the other end into the line in plug on your computer sound card. Then use audacity to record the linein device.

I think the obvious assumption from the question is that Roxanne has a USB cassette converter.

As you may know, if Roxanne has a laptop, it very likely does not have a line-in, only a mic in which is usually not suitable. If she does have a line-in, the only real point in using it with a USB converter is if the converter does not let Windows control the USB recording level.


Have a look at Splitting a recording into separate tracks - Audacity Manual.