User blog comment:Hyaenidae/Pictures of Prothean and EDI squadmates./@comment-4740958-20120219213457/@comment-1221773-20120219215024

Technically, the audio files constitute leaked material, which is prohibited at this wiki by policy. I also don't want to provide a direct link here in case a reader who doesn't want to be spoiled in any way stumbles across it and thinks it's benign.

But if you go to the ME3 General Discussion board at BSN and search "codex", try checking the first result.