Meshed Voice Command Network for Extended Detection Range
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Solution Overview
Problem
Existing voice-based assistant systems have limitations in range, flexibility, and accuracy, leading to network congestion, interference, and security concerns, which hinder the recognition of voice commands from larger distances and the ability to quickly locate users in need, especially in emergency situations.
Innovation Solution
A voice extension system that forms a meshed network of interconnected user devices with advanced algorithms for efficient data transmission, encryption, and location determination, using a combination of microphone arrays, audio front-end modules, and processing units to enhance voice command recognition and user location calculation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If traditional point-to-point wireless communication is used, then the system structure is simple, but the detection range is limited and network congestion occurs
Solution Approach 1:
The system segments the network into multiple mesh-connected user devices, where each device acts as an independent node capable of receiving and forwarding voice commands. This segmentation allows the voice detection range to extend beyond a single device's coverage area, solving the limited detection range problem while maintaining manageable complexity through modular architecture.
Solution Approach 2:
The patent transitions from traditional point-to-point communication to a mesh network topology, adding dimensional complexity to the network structure. This enables voice commands to propagate through multiple paths and hops, dramatically extending the effective detection range while distributing the communication load to prevent network congestion.
2Area of stationary object
If multiple devices receive the same voice command simultaneously, then the system coverage area is extended, but multiple responses are generated causing inefficiency
Solution Approach 1:
The system implements feedback mechanisms where user devices that receive voice commands can identify and eliminate duplicate commands. The mesh network allows devices to share information about received commands, enabling the system to recognize when multiple devices have received the same command and suppress redundant responses, thereby maintaining communication efficiency while preserving extended coverage.
3Power
If cloud-based voice assistant systems are used, then processing capability is improved, but the system lacks user location information and responds slowly in emergencies
Solution Approach 1:
The system performs preliminary actions by having user devices continuously listen for and detect voice commands locally before any cloud processing occurs. This local detection capability ensures that the system is already aware of emergency situations the moment they occur, eliminating detection delays and enabling immediate local response while cloud systems handle complex processing tasks.
4Reliability
If traditional wireless communication is used, then the system is easy to implement, but security concerns and interference problems arise
Solution Approach 1:
The patent merges multiple communication protocols and security mechanisms within the mesh network architecture. By combining encrypted communication channels, authentication protocols, and interference mitigation techniques into a unified system, the patent achieves enhanced security and reliability while managing complexity through integrated design rather than separate layered approaches.
Data Source
AI summary
The present invention provides a system (100) for extending voice commands and determining a user's location. The system (100) includes a plurality of interconnected user devices (10a, 10b, 10c, 10d, 10e, 10f, 10g, 10h, 10i, 10j, . . . ) forming a meshed network (1000), to receive a voice command from a user (1) for extending the range of voice command detection. Further, the system (100) includes a base unit (20) connected to one of the user devices, which receives the voice command from the user device (10) closest to the base unit (20) and calculates ranging data. A master controller (30), connected to multiple base units (20a, 20b, 20c, 20d, . . . ), calculates the user's location based on ranging data, processes the voice command to determine the user's intent, and performs an action based on the determined intent and sends the user's location to a central server (40), to visualize the user's location on map.