Convert videos between various formats and extract audio from video.
It's a professional m4a audio converter and it is very easy to use.
Free M4A AAC OGG WAV to MP3 Audio Converter is a completely free audio converter
YASA AVI WMV ASF MOV VOB to MP3 Converter: video audio contents tp MP3.
It converts popular audio files to MP3, AAC, AC3, AMR, M4A, OGG, and WAV.