Step1. The LAME for Windows download link. Download the LAME software codec before attempting to convert the audio files to MP3 format. Audacity needs LAME to encode MP3 audio data. To download LAME, open the MP3 for Audacity page, scroll to the To Download LAME and FFmpeg for Windows section and click the Learnhow to convert MP4 to MP3 with Audacity, a free audio editor and recorder. Follow the step-by-step tutorial or use iMusic, a simple and fast alternative to Firstof all, you need to get WMA file from CD to your computer. Insert CD and open it with Windows Media Player, click on Tools > Options and select Rip Music tab. Then specify the location you want ot rip music to and choose MP3 as the Format. After that hit OK to proceed. You can also use VLC Player which is a free 3rd party application. 3 AVS Audio Converter. AVS Audio Converter lets you convert your audio files into MP3, WAV, M4A, FLAC, and more. You can add files locally from your computer or from a CD, and can even convert a video to audio. Depending on the file format, customization options include channel, bitrate, and sample rate. A handful of features are ClickOpen media, choose the MP4 movie file you want to convert, click Open. In Choose Profile drop-down menu, select Audio - MP3. Click Save as File, select a location where to save the new created file. Click Save to begin converting MP4 to MP3 in Mac. Wait until the process comes to end. 1 Click on File Export or Save As. 2. Choose the file type that you want to convert the file to. 3. Choose a new name and location for the file. 4. Click Export or Save. CDAis not a normal audio file. It is just a pointer to part of the data on an audio CD. To “convert” CD tracks into audio files, you need to use a “CD Ripper” program. (Note that this is only legal for personal copies). Yes, to confirm this is music I legally own. I’m interested in bringing my music along on a flash drive so I’m Afterinstalling the software and libraries, simply open it, and launch mp4 video file, which you'd like to convert into mp3. Remember, if your video file has more than LlncqLC.