Originally posted by Matty K:
I thought .m4a was the protected format used by iTunes? If so, simply burn the files as a music CD, and import it as MP3.



Those are .m4p (for "protected")

.m4a is MPEG-4 "Audio"

.m4v is MPEG-4 "Video"

.m4b is MPEG-4 "Books" (like a podcast, but they use .m4a too)

Those are non-standard uses, but are used by Apple, and therefore common.

Most just use the ".mp4" extention

Source

Goin' Round Traffic Circles @ 50Km/h!!! \m/ -- 1998 E0 SVT #2119 of 6535 \m/ -- 2003 Sentra SE-R Spec V