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, MP2, 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. All encoder binaries included in the download have been kindly provided by Rarewares.org.
Changes between v3.02 and v3.03:
Added generic support for pre-processing filters
Added "Normalization" filter, based on Volumax by John33
Improved code to add/remove context menus in Window Explorer
Improved code to handle multiple instances of LameXP
Changes between v3.01 and v3.02:
Added support for new input format: MPEG Audio Layer-2 (mp2)
Added option to choose a custom TEMP folder
Changes between v3.00 and v3.01:
Added an option to disable all sounds in LameXP
Added warning message for bitrates that violate the current bitrate restriction
Fixed bitrate restrictions for LAME encoder (strictly enforce bitrate restrictions using "-F" parameter)
Fixed file associations code (set file associations only for the current user)
Updated load/save configuration code (store settings in an INI file instead of the registry)
Changes between v2.03 and v3.00:
Added support for Nero´s AAC Encoder (not included, available as free download from Nero website)
Added support for more input formats: Wave, MP3, Ogg Vorbis, AAC/MP4, FLAC, Speex, WavPack, Musepack, Monkey´s Audio
Added support for uncompressed Wave output
Added support for Multi-Threading (use multiple instances for batch processing)
Added shell integration for Windows Explorer (Context-Menus and "Send To" folder)
Added commandline support: LameXP.exe -add [ ... ]
Added new auto-update utility
Updated LAME encoder to v3.98 Final (2008-07-04)
Updated Ogg Vorbis encoder to v2.85, aoTuV Beta-5.5 (2008-03-31)
Download here