Loudspeaker Position Profiling for Accurate Sound Field Management
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Solution Overview
Problem
Existing sound management systems for multi-channel loudspeaker systems face challenges in accurately determining loudspeaker locations, grouping, and achieving balanced listening experiences across various positions due to manual data logging and lack of consideration for true speaker positions, leading to audio artifacts and inefficient parameter control.
Innovation Solution
A computer-implemented method generates a loudspeaker position profile (LPP) by measuring sound from each speaker, determining types and angles of arrival, grouping speakers spatially and by type, and providing a data structure for automated sound field management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual data logging is used for loudspeaker positioning and grouping, then data can be collected, but the process becomes time-consuming and inefficient
Solution Approach 1:
The patent replaces manual mechanical data logging with an automated computer-implemented system that uses acoustic detectors to automatically capture and process loudspeaker position data, eliminating the need for manual measurement and recording processes
Solution Approach 2:
The system enables self-service by allowing the loudspeaker positioning and grouping process to occur automatically without human intervention, where the computer system autonomously collects data, processes measurements, and generates positioning profiles
2Reliability
If traditional sound field management systems are used that don't consider true loudspeaker positions, then system operation is simple, but audio artifacts occur and sound quality deteriorates
Solution Approach 1:
The patent implements feedback by using acoustic detectors to measure the actual sound field and loudspeaker positions, then using this measured data to automatically adjust and optimize the sound management parameters, ensuring the system adapts to the true physical configuration
Solution Approach 2:
The system performs preliminary action by automatically generating the loudspeaker position profile and determining spatial groups before sound field management operations begin, establishing an accurate baseline for subsequent audio processing
3Measurement precision
If automated loudspeaker position profiling is implemented, then positioning accuracy and data usability improve, but system complexity increases
Solution Approach 1:
The patent applies universality by designing a computer-implemented system that performs multiple functions: acoustic data collection, loudspeaker type identification, position calculation, spatial grouping, and profile generation, all within a single integrated platform that manages complexity through consolidation
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The LPP enables accurate loudspeaker location detection, improved data usability, and simultaneous parameter control, ensuring balanced listening experiences across multiple positions and optimizing sound field management.
Implementation Method 1
receiving measurement data of sound reproduced by each loudspeaker from the plurality of loudspeakers, wherein the sound is measured by one or more acoustic detectors placed at each target position
Data Source
AI summary
A computer-implemented method of generating a loudspeaker position profile for sound management of an acoustic system comprising a plurality of loudspeakers is provided. The method comprises receiving measurement data; determining types of loudspeakers; calculating angles of arrival; determining a spatial group for each loudspeaker; grouping loudspeakers into spatial groups; assigning each loudspeaker to a type group; grouping loudspeakers into type groups; generating the loudspeaker position profile; and providing the loudspeaker position profile to a sound field management system.