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NEW VERSION 4.13 / 4.14 RC2

LameXP is a graphical front-end for the LAME MP3, Ogg Vorbis and Nero AAC encoders. The Nero Encoder is *not* included in the download, it's available from the Nero Webseite as free download. Accepted input formats are: Wave, MP3, Ogg Vorbis, AAC/MP4, FLAC, WavPack, Musepack, Speex and APE. Batch processing is implemented and will use multi-threading when several processors/cores are available.

Free software
Version:4.13 / 4.14 RC2
File size:22.2MB
Portable version
Old versions available
Version history available

20 votes

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  Latest version

4.13 / 4.14 RC2 (October 21, 2016)

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Download LameXP 4.13 (direct link)

Download beta, portable and other versions

Download LameXP 4.14 RC2 (direct link)

Download LameXP 4.14 RC2 portable (direct link)

Download LameXP 4.13 portable (direct link)

Download old versions

Download LameXP old versions

Supported operating systems


LameXP screenshot
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Version history / Release notes / Changelog

LameXP v4.14 [2016-??-??]

Upgraded build environment to Microsoft Visual Studio 2015 with Update-2
Fixed the location of temporary intermediate files for SoX-based audio effects
Fixed embedding of meta tags with OggEnc2 when reading directly from OGG/FLAC input file
Enabled the "built-in" resampler for QAAC encoder
The "Algorithm Quality" slider now also affects the QAAC encoder
Added "AVX" (Advanced Vector Extensions) to CPU feature detection code
Updated Opus encoder/decoder libraries to v1.1.3 and Opus-Tools to v0.1.9 (2016-10-16)
Updated LAME encoder to v3.100 Alpha-2 (2016-01-29), compiled with ICL 15.0 and MSVC 12.0
Updated FLAC encoder/decoder to v1.3.1 (2016-10-04), compiled with ICL 17.0 and MSVC 12.0
Updated MediaInfo to v0.7.88 (2016-08-31), compiled with ICL 15.0 and MSVC 12.0
Updated mpg123 decoder to v1.23.8 (2016-09-27), compiled with GCC 6.2.0
Updated ALAC decoder to refalac v1.61 (2016-10-02)
Updated WavPack decoder to v4.80.0 (2016-03-28), compiled with ICL 15.0 and MSVC 12.0
Updated GnuPG to v1.4.21 (2016-08-17), compiled with GCC 6.1.0
Updated QAAC add-in to the to QAAC v2.61 (2016-10-02)
Updated FhgAacEnc add-in to "Case" edition (2015-10-24)
Improved auto-update function (faster Internet connectivity check)
View full changelog

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Pazera Lame Front-End


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21 comments, Showing 1 to 5 comments

LameXP not recognizing Apple libraries for AAC after upgrading to the latest version of iTunes v12.3. Had to revert back to Nero AAC encoder.

Posted October 19, 2015 by slacker. Tool version 4.11 using OS Windows 10 64-bit
Ease of use 10 of 10 Functionality 10 of 10 Value for money 10 of 10 Overall score 10 of 10

This program is good in concept, but bad in practice.
On launch and after some annoying and child-like sound effects, you need to disable a bunch of default settings, like shell integration (on by default), disable DropBox something that is nothing more than a gimmick, sound effects, and update reminders. This last one is a hoax indeed, after a year every time you launch the program 2 of the above settings will be ignored, you will be prompted to an update dialog, that if you dismiss will play another annoying and mocking music for about 6 seconds.

After you wasted about 10 seconds of your life, there are a few more issues. The program is compressed in the most strict sense. It will uncompress all the static encoders/decoders to the %TEMP% folder and execute from there... "every time", wasting more precious time and wearing your HDD/SSD without any grounded reason behind. After you encoded your audio files, you will notice that it's not as clean as you desired. In the comment tag by default a self-advertising is included without your willing consent and the words "Encoded with LameXP".

Also annoying is the decision to output AAC files in no other container than MP4, without more options. MKVToolnix is known for preferring stream files rather than contained ones, is not uncommon to end with a MKV without audio otherwise. So this adds a demux process on top of LameXP that you need to run by yourself.

Worrying is also the time consumed in recent versions for launching the program, and the inability to hide the command window on nightly builds. With this said the general feeling is a program that revolves too much on itself, OCD like never-ending confirmation dialogs... and what you get is a program that yes, is free, but probably won't make your life much easier than it was.

Posted February 10, 2015 by Dogway. Tool version Build-1524 using OS Windows 7 64-bit
Ease of use 4 of 10 Functionality 7 of 10 Value for money 8 of 10 Overall score 6 of 10

@ RedDwarfer

Then report the problem the developer, LoRd_MuldeR, on the Doom9 forum.

Posted March 31, 2013 by mike20021969. Tool version LameXP v4.07 Beta-10 using OS WinXP
Ease of use 8 of 10 Functionality 8 of 10 Value for money 9 of 10 Overall score 9 of 10

Neither of the latest beta or final release builds will work on my system. Both show a not accessible - you do not have permission problem when accessing any of my drives. However, v4.04 build 988 works without issue.

Posted March 31, 2013 by RedDwarfer. Tool version 2013-03-17.Release-Static.Build-1258/2012-11-04.Re using OS Windows 7 64-bit
Ease of use 1 of 10 Functionality 1 of 10 Value for money 1 of 10 Overall score 1 of 10

quite solid program.Use Nero AAC Codec,with full codec parameter setting,but I noticed that there are problems with 5.1 channel audio and more.The downside is that the audio has to be extracted from the film,and after converting back again(MKVToolnix).
My favorite is FFCoder that all of this independently conducted.Interface LameXP is OK medium,should be eliminated visiting the audio effects on a child's game,greeting...

Posted March 28, 2012 by prijatelj.v. Tool version 4.03 using OS Windows 7
Ease of use 8 of 10 Functionality 8 of 10 Value for money 10 of 10 Overall score 10 of 10

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