Matrix Voice Starter

Hello Everyone,

i’m looking for the complete documentation of the Matrix Voice device. I looked around but i can not seem to find it. Especially how to grab the ‘optimized’ audio (beam-forming, noise-cancellation) from Malos (preferably with Java).
I already had a look at the deprecated Voice+Alexa App, especially, but this just seems to take the first microphone it comes along.

I’d be very thankful for any advice!