Ableton Forum

CAF vs WAV

CAF(Apple Core Audio Format) is developed by Apple and widely used in Apple software and devices. CAF file usually uses AAC, ALAC, MP3 and other codec to compress audio.

WAV is a simple audio format developed by Microsoft. This format usually uses uncompressed PCM codec to store audio ...

To successfully convert M4A or MP3 to WAV, personally recommend you a full guide. It easy and helpful.
http://www.faasoft.com/articles/m4a-to- ... ndows.html

It will help you convert M4A to WAV, AC3, DTS, CAF, MP3, AIFF, FLAC, etc.

Here is a guide about how to easily convert WMV to MOV at: http://www.faasoft.com/articles/convert ... ndows.html

This guide introduces three ways to convert WMV to MOV and two of them are free.

Hope it's useful to you!