How to conver .mp4 videos to .wave format.
Converting MPEG-4 Videos directly to WAVE Sound Files (.mp4 to .wave conversion) is certainly possible and should be quite straightforward. It relates to users attempting to extract the audio track (WAVE) from an MP4 video.
Use one of several media editing programs or (online) conversion tools, such as Helium Music Manager or Nero Recode, which allow users to import MP4 videos and export them in WAVE format.
A music library management program
A multimedia converter
A multimedia converting tool for Windows