Flexible Integration of Voice Recognition Components for an Automotive Android Platform: A Design Science Research

University essay from Göteborgs universitet/Institutionen för data- och informationsteknik

Abstract: There are several voice recognition interfaces available on the market capable ofbeing integrated into a variety of platforms. Mobile phones, speakers, and evenrefrigerators can be equipped with a voice assistant. Having a fully integrated voiceassistant in a car has been shown to increase the performance of the driver and reducedistractions. The subcontractor Aptiv aims to provide their Android platformwith a voice assistant meant to be sold to car manufacturers, but they aspire toavoid locking their platform to one voice component. This thesis investigates thepossibilities of mitigating the difficulties of integrating multiple voice recognitioncomponents into one unified framework using a design science research approachover the course of two cycles.Data has been collected through both formal and informal interviews that addressthe problem at hand. An Ishikawa diagram was constructed to illustrate an overviewof the problem space at Aptiv and through evaluation, a new narrowed scope couldbe determined. The new scope resulted in an investigation of the four voice recognitioncomponents Aptiv showed interest in, which were Amazon Alexa, GoogleAssistant, Mycroft, and Houndify. This investigation lead to the creation of a toolcontaining 15 parameters developers can use to compare the functionality of differentvoice recognition components. The tool was then evaluated by developers atAptiv through a workshop.The tool together with its illustrations is a helpful start for developers tasked withintegrating, either one or several, voice recognition components for an Android system.The presented details of each component are prone to change in the future dueto uncertainties regarding their future development. Further investigation of eachvoice recognition system is necessary in order to fully create the general solutionAptiv aims for. Other companies may benefit from the process that has been usedin this thesis when trying to integrate components. The artifact presented in thisthesis could be applied to other cases, where multiple components are present andthe causes and effects of choosing one or several have implications that need to beconsidered.

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