Hands-Free Audio Routing for Multi-Device Proximity Management
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Solution Overview
Problem
Conventional hands-free systems for mobile phones can only support a single active audio communication channel, leading to user frustration when multiple users attempt to use hands-free services from the same device, as they are unable to establish connections with other available hands-free units.
Innovation Solution
Implementing a voice interaction computing architecture that allows multiple mobile phones to be paired with multiple hands-free units, enabling control connections and audio communication channels to be dynamically managed, such that when one phone is in use, others can disconnect and reconnect to different hands-free units based on user proximity, ensuring seamless hands-free operation across different locations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a hands-free unit supports only a single active audio communication channel, then the device complexity is reduced and ease of operation is maintained, but the adaptability to serve multiple users simultaneously is limited
Solution Approach 1:
The patent divides the hands-free service functionality into separate modules: one module maintains the existing single-channel hands-free connection, while another module provides alternative hands-free service through different audio routes. This segmentation allows the system to serve multiple users without requiring a complete redesign of the hands-free unit architecture.
Solution Approach 2:
The hands-free unit is enhanced to perform multiple functions by supporting both traditional single-channel hands-free operation and new multi-user hands-free operation. The system can dynamically switch between serving one user or multiple users based on demand, making the device universally applicable to different usage scenarios.
2Adaptability or versatility
If multiple mobile phones are paired with multiple hands-free units, then the adaptability and user experience are improved, but the device complexity and connection management burden increase
Solution Approach 1:
The system implements automatic connection management where mobile phones and hands-free units self-select and establish connections based on proximity and availability. When a user approaches a hands-free unit, the system automatically routes the audio channel appropriately without requiring manual pairing or complex user intervention, thereby reducing the perceived complexity for users.
Solution Approach 2:
The patent introduces dynamic connection management where control connections and audio channels are automatically established, maintained, or terminated based on real-time conditions such as user proximity, active calls, and device availability. This dynamic behavior allows the system to adapt to changing usage patterns without requiring complex static configuration.
3Ease of operation
If control connections are dynamically rerouted based on user proximity, then the ease of operation and user experience are improved, but the system complexity and processing requirements increase
Solution Approach 1:
The system performs preliminary pairing and bonding between mobile phones and hands-free units in advance, establishing a pool of available connections before actual usage. When a user needs hands-free service, the system quickly routes the connection from the pre-established pool based on proximity, avoiding the need for real-time discovery and pairing processes during active calls.
Solution Approach 2:
The patent introduces a control connection management system that acts as an intermediary between mobile phones and hands-free units. This intermediary layer handles the complexity of dynamic routing, connection establishment, and audio channel management, shielding users from the underlying system complexity while enabling seamless hands-free operation.
Data Source
AI summary
Techniques for providing audio services to multiple devices are described. For instance, connections between a hands-free unit and multiple wireless devices are established. The connections are themselves used to establish active communication channels, such as active audio communication channels, between the hands-free unit and the wireless devices, such as during a phone call. Upon establishment of an active communication channel with one of the wireless devices, the connections to the other wireless devices are disconnected—and/or additional connections refused—for the duration of the active communication channel. Furthermore, a routing module in various embodiments permits multiple hands-free units to route active communication channels to each other depending on user location.