"codec" - key terms from Wikipedia

aac codec
advanced video codec	high definition
apple intermediate codec
audio codec
codec
codec	pack
codec	pack full
codec	standard
combined community codec	pack
compression format and codec
divx codec
divx pro codec
free lossless audio codec
mega codec	pack
rate codec
sorenson codec
speech codec
version of the codec
via codec
video codec
video codec	comparison
video codec	design
wmv codec