Seaman creator Yoot Saito on the fishy Dreamcast AI that was way ahead of its time www.theverge.com

The keywords are the ‘cards’ that are played back and forth between the end-user and the game character (Seaman).
Most gamers wouldn’t realize it, but Seaman is a game with a lot of push-pull game elements in the same way as poker.
It’s a language great for emphatically sharing subjective feelings, so Japanese really connects to deep parts of a speaker’s emotions.
However, when speaking of voice recognition as a technology, when you try to cross a certain threshold (like human), intelligence is required, not hearing ability.
In other words, what’s indispensable is not voice recognition technology, but rather understanding of artificial intelligence.