Also, was this a US or UK Tech? The respective labs are always reported as having different biases so this is just out of curiosity.
I’m totally and completely geeking out right now. This is incredible stuff.
And good find on that FYEO. I’m thinking ac3 on print would be from the Lowry era 35mm prints as it also appears to have DTS timecode. As far as I know no new prints were struck otherwise during the digital sound era.