How do I make CD Audio from my MP3 files ?
Burn MP3 to CD directly using some CD-R Burners such as :
Musicmatch Jukebox or MP3 CD Converter
Other method is converting your MP3 to WAV first, then burn the WAVs to CD.
Refer to below to get WAV files from your MP3s. You can use any CD-R Software, such as Easy CD Pro (SCSI) or Easy CD Creator, that supports WAV files as input to burn your CDs.
How do I decode from MP3 to WAV ?
Download any Decoders software or any Players software that supports decoding such as Winamp, Unreal Player, ScMPx, etc.
Use your Decoders Software to decode the MP3 files back to waves (wav) format
If you're using Winamp, go to preferences menu, set the output device to WAV
Winamp 1.92 : Go to preferences, select Nullsoft Nitrane Decoder, click Configure, set output device to WAV
Winamp 2.0+ : Go to preferences, set 'Nullsoft Disk Writer Plugin' as the Output Plugins, and click 'Configure' to set the target wav files directory