AAC ACM Codec 1.9
Works very well with gopro hero3 videos and virtualdub. If you use 32 bit virtualdub, install 32 bit version of this codec.
AAC ACM Codec 1.7
This is bullnuts! it didnt work for x64 and while it didnt work, i cant even remove it anymore.......
AAC ACM Codec 1.7
Finally, a codec that can only decode and not encode. I was looking for it.