Voice Assistant Tracking and Activation in Vehicles
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Solution Overview
Problem
Existing in-vehicle infotainment systems often limit voice assistant access to only the driver, and managing multiple voice assistant services is cumbersome, as they are typically tied to a single pre-selected voice assistant, restricting passengers' ability to choose the most suitable assistant for specific tasks.
Innovation Solution
A system that tracks availability of multiple voice assistant services, allowing passengers to activate different voice assistants using wake words, establishing a voice link for seamless interaction with native, hands-free, or device-based voice assistant applications, enabling passengers to choose the appropriate assistant for tasks like weather updates or shopping lists.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the system limits voice assistant access to only the driver, then the system complexity is reduced, but the adaptability and user experience for passengers deteriorate
Solution Approach 1:
The system enables multiple users (driver and passengers) to access voice assistant services through a unified interface. The wake-word detection mechanism allows any passenger to activate their preferred voice assistant without requiring separate control systems or complex authentication, making the system universally accessible while maintaining relatively simple architecture
2Device complexity
If the system ties voice interactions to a single pre-selected voice assistant, then the device complexity is reduced, but the adaptability and user choice deteriorate
Solution Approach 1:
The system segments the voice assistant selection process by allowing each passenger to have their own preferred voice assistant while maintaining a unified management interface. The wake-word detection system automatically routes audio input to the appropriate segmented voice assistant service, enabling individual customization without requiring complex manual configuration for each user
Solution Approach 2:
The system enables passengers to autonomously select and activate their preferred voice assistant through wake-word detection without requiring system administrator intervention or complex setup procedures. Each passenger can independently choose their assistant and activate it by speaking the corresponding wake-word, making the selection process self-service oriented
3Adaptability or versatility
If the system requires manual selection and management of voice assistants, then the adaptability is reduced, but the ease of operation improves through explicit control
Solution Approach 1:
The system replaces manual mechanical selection (buttons, menus, switches) with acoustic field-based wake-word detection. Passengers activate their preferred voice assistant simply by speaking the corresponding wake-word, eliminating the need for manual navigation through menus or pressing physical buttons, thereby significantly improving ease of operation while maintaining full adaptability
Data Source
AI summary
According to one embodiment, a system for voice assistant tracking and activation includes a tracking component, a wake component, a listening component, and a link component. The tracking component is configured to track availability of a plurality of voice assistant services. The wake component is configured to determine a plurality of wake words, each plurality of wake words corresponding to a specific voice assistant service of the plurality of voice assistant services. The listening component is configured to receive audio and detect a first wake word of the plurality of wake words that corresponds to a first voice assistant service of the plurality of voice assistant services. The link component is configured to establish a voice link with the first voice assistant service for voice input by the user.