Wireless Speaker Master Reassignment for Thermal Load Relief
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Solution Overview
Problem
Wireless audio systems face challenges in managing thermal and power consumption within loudspeaker cabinets, leading to potential overheating and reduced audio quality or component damage, as existing systems lack effective dynamic management of master responsibility to mitigate these issues.
Innovation Solution
A method is introduced where the master responsibility in a network of loudspeaker cabinets is dynamically reassigned based on thermal and power consumption thresholds, allowing the cabinet with the highest master rank to take over, thereby reducing the workload of overheated or power-constrained cabinets and maintaining audio quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a single loudspeaker cabinet maintains network master responsibility continuously, then audio signal distribution and system control are stable, but thermal accumulation and power consumption increase leading to overheating and potential component damage
Solution Approach 1:
The patent implements dynamic master responsibility reassignment where the network master role transitions from a static assignment to a dynamic state based on real-time thermal conditions. When the master cabinet's temperature exceeds a threshold, the system automatically reassigns master responsibility to a slave cabinet, creating a movable role allocation that adapts to thermal states and prevents overheating while maintaining system control.
2Reliability
If the master cabinet continuously transmits audio signals to slave cabinets, then audio quality and system functionality are maintained, but power consumption exceeds acceptable limits
Solution Approach 1:
The system dynamically adjusts power distribution by reassigning master responsibility based on power consumption thresholds. When the master cabinet's power usage exceeds limits, the system transitions the role to a slave cabinet, creating a dynamic power management mechanism that maintains audio quality while preventing excessive energy consumption in any single unit.
3Temperature
If master responsibility is reassigned dynamically based on thermal and power conditions, then overheating and power consumption are mitigated, but system complexity increases due to additional control mechanisms
Solution Approach 1:
The patent implements feedback mechanisms where temperature sensors and power management circuits continuously monitor the master cabinet's thermal and energy states. This feedback drives automatic master responsibility reassignment decisions, creating a closed-loop control system that manages temperature and power while maintaining relatively simple implementation through sensor-based triggers and automated role transitions.
Data Source
AI summary
A method for operating a distributed wireless audio system including several loudspeaker cabinets all of which can communicate with each other as part of a computer network. The method receives temperature data that is indicative of temperature of a first loudspeaker cabinet, which has a network master responsibility of obtaining an audio signal from an audio source and wirelessly transmitting some of the audio signal to a second loudspeaker cabinet of several loudspeaker cabinets, for playback by the second loudspeaker cabinet, while playing back some of the audio signal by the first loudspeaker cabinet. The method determines whether a thermal threshold of the first loudspeaker cabinet has been reached, based on the temperature data. The method, in response to the thermal threshold being reached, gives up the network master responsibility from the first loudspeaker cabinet to the second loudspeaker cabinet, where doing so reduces temperature in the first loudspeaker cabinet.