Playback Device Management Through Adaptive Wireless Localization
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Solution Overview
Problem
Conventional methods for locating and managing playback devices in indoor environments are often inaccurate and require tedious calibration, especially when device positions change, and they struggle to adapt to user preferences and behaviors.
Innovation Solution
A system that measures and normalizes wireless signals between devices to estimate the likelihood of a portable device's location relative to reference devices, determines space states based on signal patterns, and adjusts device settings and interactions based on learned user behaviors and preferences.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional methods for locating playback devices are used, then device positioning can be achieved, but the methods are inaccurate and require tedious calibration
Solution Approach 1:
The system automatically performs localization by measuring wireless signal patterns between devices without requiring manual calibration or user intervention. The playback devices autonomously exchange signal information, process the patterns, and determine relative positions, eliminating the need for tedious manual calibration procedures while maintaining high positioning accuracy.
2Adaptability or versatility
If conventional localization methods are used, then device positioning is possible, but they struggle to adapt to changing environments and user preferences
Solution Approach 1:
The system continuously monitors and processes changes in wireless signal patterns between playback devices and portable devices. By analyzing these dynamic signal variations, the system automatically adapts to changing environments, user movements, and preferences, maintaining reliable positioning and audio delivery without requiring manual reconfiguration.
3Productivity
If the system manages multiple playback devices, then comprehensive device control is achieved, but the complexity of system management increases
Solution Approach 1:
The system consolidates management of multiple playback devices by having them exchange wireless signal patterns and process information collectively. This unified approach allows the system to manage spatial relationships, audio delivery, and device interactions as an integrated whole, improving efficiency while reducing the complexity that would otherwise arise from managing each device independently.
Data Source
AI summary
Systems and methods for managing playback devices in accordance with embodiments of the invention are illustrated. One embodiment includes a method for modifying a system that includes several devices. The method includes steps for measuring a first signal pattern for wireless signals between the several devices, measuring a second signal pattern for the wireless signals after measuring the first signal pattern between the several devices, determining an updated state of the system based on a difference between the second signal pattern and the first signal pattern, and modifying state variables of one or more devices of the playback system based on the determined updated state.