winLAME
winLAME is an easy to use encoder for many audio formats, e.g. MP3.
...winLAME lets you read in audio tracks from CDs or encode audio files from your hard drive. The intuitive wizard-style user interface makes it easy to set up encoding settings. Multicore CPUs are used to parallelize encoding tasks.
Official GitHub project webpage:
https://github.com/vividos/winLAME