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LAME MP3 Encoder 3.99 Alpha 4 / 3.98.4

OS Support:

Windows All


Publisher Old version


January 19 2011


LAME MP3 Encoder 3.99 Alpha 4 / 3.98.4


LAME stands for LAME Is not an MP3 Encoder. LAME started as a patch against the GPL dist10 ISO demonstration source, and therefore was incapable of producing an mp3 stream or even by self-assembled.

But May 2000, the last remnants of the ISO source code were replaced, and now LAME is the source code for a fully LGPL'd MP3 encoder, with speed and quality to rival and often surpass all commercial competitors.

LAME is an educational tool to be used for learning about MP3 encoding. The goal of the LAME project is the open source model to use to improve the acoustics psycho, noise shaping and speed of MP3.

LAME is not for everyone - it is only distributed as source code and requires the ability to use a C compiler. However, many popular ripping and encoding programs are the LAME encoding engine.

LAME MP3 encoder main features:

  • Many improvements in quality in speed over ISO reference software.
  • MPEG1, 2 and 2.5 layer III encoding.
  • CBR (constant bitrate) and two types of variable bitrate, VBR and ABR.
  • Encoding engine can be used as shared library (Linux / UNIX) to create, DLL, DirectShow filter or ACM Codec (Windows).
  • Free format encoding and decoding.
  • GPSYCHO: a GPL'd psycho acoustic and noise shaping model.
  • Powerful and easy to use presets.
  • Quality is better than all other donors at most bit rates.
  • Fast! Encodes faster than real time on a PII 266 in the highest quality.
  • MP3x: a GTK / X-Window MP3 frame analyzer for MP3 and audio files without encryption ..

    What is new in LAME MP3 Encoder:

  • Improve Debian packages.
  • Mentioned proposals made by Fabian Greffrat
  • to reflect updated version of the Debian package, it is removed from the CVS.
  • Get rid of a transitional time package
  • Much more to come ...
  • Minor update to the history file validated correctly
  • Port of LAME mp3rtp program for Windows platform
  • Fix: free mp3 format over 320 kbps, the maximum allowed bits was reduced too far.
  • New switch - swap channel added, see tracker item [1118412] RFE: Option channels L and R-swap
  • Changed behavior: LAME common suffix replaced by MP3/WAV, if no output file name was given. For example, a simple lame x.wav create output file x.mp3
  • Fix will be ignored for bugtracker item [2962223] encoder delay and padding values, when re-encoding
  • Additional support for IEEE FLOAT WAVE format input files

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    Lame Mp3 Encoder

    Size : 587 KB