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LameXP is a graphical front-end for the LAME MP3, Ogg Vorbis and Nero AAC audio encoders. Supported input types are Wave, MP3, MP2, OGG/Vorbis, FLAC, MP4/AAC, AC3, DTS, WavPack, Musepack, TTA, Speex, Monkey's Audio, Shorten, ALAC and WMA. It also reads M3U, PLS and ASX playlists as well as Cuesheets. The easy-to-use interface supports multiple languages, including English, German, Spanish and Italian. Batch processing is implemented and multi-threading will be used, if several processors/cores are available.

Currently the following output formats (audio encoders) are supported by LameXP:
Ogg Vorbis by Xiph.org, using the OggEnc2/libvorbis encoder with aoTuV
Opus Interactive Audio Codec by Xiph.org and Mozilla, using the Opus-Tools
MPEG Audio-Layer III (MP3), using the LAME encoder
Advanced Audio Coding (AAC), using Nero AAC or QAAC encoder (separate download)
Free Lossless Audio Codec (FLAC)
ATSC A/52 (aka "AC-3"), using the Aften encoder
Monkey's Audio (APE), lossless audio compression
DCA, using the DCA Enc encoder software (still experimental)
Uncompressed PCM / Waveform Audio File (WAV/RIFF)

Input Formats (Decoders):
AC-3 (ATSC A/52), using Valib decoder
Advanced Audio Coding (AAC), using FAAD decoder
Apple Lossless (ALAC)
Apple/SGI AIFF
Avisynth, audio only (requires Avisynth 2.5.x to be installed)
Digital Theater System, using Valib decoder
Free Lossless Audio Codec (FLAC)
Microsoft ADPCM
Monkey's Audio (APE)
MPEG Audio-Layer I (MP1), using mpg123 decoder
MPEG Audio-Layer II (MP2)
MPEG Audio-Layer III (MP3)
Musepack
Opus Audio Codec
Shorten
Speex
Sun/NeXT Au
The True Audio (TTA)
Uncompressed PCM / Waveform Audio File (WAV/RIFF)
WavPack Hybrid Lossless Audio
Windows Media Audio (WMA), using wma2wav

Size (7z): 38 Mb