You can send an email to Andre at eac@exactaudiocopy.org and/or check the forum http://www.digital-inn.de/forums/exact-audio-copy-english.14/
To my knowledge - and I could be wrong here - the program is NOT writing *all* of that type/kind of meta data to the file itself. I don’t even recall if all of the data you’re looking for is written to the log file.
Realistically though, why would you need to know what codec was used? If it was 12 years ago it’s likely outdated (superseded by a more recent version, etc.) anyway.
To my knowledge - and I could be wrong here - the program is NOT writing *all* of that type/kind of meta data to the file itself. I don’t even recall if all of the data you’re looking for is written to the log file.
Realistically though, why would you need to know what codec was used? If it was 12 years ago it’s likely outdated (superseded by a more recent version, etc.) anyway.