AGL Speech Framework Architecture.
https://confluence.automotivelinux.org/pages/viewpage.action?spaceKey=SPE&title=Speech+EG+Architecture
Multi voice assistant architectures by Ricardo DeMatos, Principal Solutions Architect, Alexa Automotive.
https://schd.ws/hosted_files/aglmmeu2018/d0/AGL_Alexa.pdf
Voice Assistant Technology Trends in Vehicles by Christian Benien, Sr Cloud Software Architect, Nuance Communications.
https://schd.ws/hosted_files/aglmmeu2018/ce/AGL_AMM_Dresden_2018_Nuance_Keynote.pdf