Happiness CD-R AMR M4P to WAV Maker - Version 1.7.19 Happiness CD-R AMR M4P to WAV Maker is a sound editor for Windows that lets you make and edit voice and other audio recordings. You can cut, copy, and paste parts of recordings and, if required, add effects such as echo, amplification, and noise reduction. Happiness CD-R AMR M4P to WAV Maker supports all major audio formats. Happiness CD-R AMR M4P to WAV Maker supports mp3 VBR codec and Windows Media 9 format.