AME encoding to a lossless/uncompressed audio.

Is there any codec I can use to encode a 4min simple animation with audio being the audio export not AAC but uncompressed? H.264 doesn't give me this format since the audio has to be AAC/MPEG/Dolby. I wanted the final output to be like below 700mb or anything. I know it's weird but I am hearing slight difference from my source audio and then encoding to H.264 AAC audio.