I hope I'm putting this in the right place because it's a technical question -- I'm not getting any opportunity to speak thus far. The only options are to type or select multiple choice answers.
The other audio (the "teacher" speaking) is completely consistent with the other languages.
Is that just a quirk of my computer or is that benefit still in production (beta)?
I have all three styles of learning for French and Spanish.
I think that the speaking practice is only available for the language courses that were developed by Duolingo staff -- the first handful, with English, German, French, Spanish, Italian, or something like that.
But not for any of the newer ones developed by volunteers in the Duolingo incubator -- so no speech recognition for Esperanto, Turkish, Swedish, Irish, .....