Display Audio Positioning for Flexible External Speaker Layouts

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Solution Overview

Problem

Existing display devices fail to accurately adjust audio settings when external speakers change positions, leading to improper stereophonic sound delivery and requiring fixed speaker placements.

Innovation Solution

A display device equipped with a positioning module, such as a Two Way Ranging (TWR) module, to determine the position and type of external speakers, allowing for dynamic audio signal transmission based on updated speaker positions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If the display device processes audio signals without reflecting changed speaker positions, then the device complexity is reduced, but the stereophonic sound quality deteriorates

Engineering Contradiction:

Improveaudio processing complexityVSAvoidstereophonic sound quality

Core Design Contradiction:

Device complexityVSReliability

Solution Approach 1:

The system continuously monitors speaker positions using a positioning module and feeds this information back to the audio processing unit. When position changes are detected, the audio signal processing is automatically adjusted to maintain accurate stereophonic sound delivery, resolving the contradiction between system complexity and sound quality.

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

The audio processing system transitions from a static configuration to a dynamic one where speaker positions are continuously tracked and processed. The system adapts audio signal parameters in real-time based on detected position changes, ensuring consistent stereophonic quality without requiring complex manual reconfiguration.

Inventive Principle:

Principle #15Dynamics

2Measurement precision

If a positioning module is disposed to protrude outside the display device, then the measurement precision of speaker position is improved, but the device design flexibility is reduced

Engineering Contradiction:

Improvespeaker position recognition accuracyVSAvoiddisplay device design flexibility

Core Design Contradiction:

Measurement precisionVSEase of manufacture

Solution Approach 1:

The positioning module is nested within the display device housing rather than protruding externally. This integration maintains measurement precision by keeping the positioning components close to the audio processing units while preserving design flexibility and aesthetic appearance by concealing the module within the device boundaries.

Inventive Principle:

Principle #7Nested doll (Nesting)

Solution Approach 2:

The positioning module serves multiple functions: it tracks speaker positions, provides spatial audio information, and enables dynamic audio processing adjustments. By integrating this multi-functional module within the device, the system achieves high measurement precision without compromising design flexibility or requiring separate external positioning devices.

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Loss of time

If the display device does not periodically update speaker positions, then the loss of time is reduced, but the adaptability to speaker movement is worsened

Engineering Contradiction:

Improveposition update frequencyVSAvoidresponse to speaker position changes

Core Design Contradiction:

Loss of timeVSAdaptability or versatility

Solution Approach 1:

The system implements periodic position updates at optimized intervals, balancing time consumption with adaptability requirements. The positioning module continuously monitors speaker locations and triggers audio processing adjustments only when position changes are detected, rather than updating at fixed high-frequency intervals, thus reducing time loss while maintaining responsiveness.

Inventive Principle:

Principle #19Periodic action

Solution Approach 2:

The positioning system operates autonomously, automatically detecting speaker position changes and triggering appropriate audio processing adjustments without user intervention. The system self-manages the balance between update frequency and power consumption, updating positions only when necessary to maintain adaptability while minimizing time and energy loss.

Inventive Principle:

Principle #25Self-service

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

Ensures stereophonic sound delivery regardless of speaker position changes, minimizing recognition errors and design restrictions by allowing flexible speaker placement.

Implementation Method 1

The positioning module may be a Two Way Ranging (TWR) module which obtains position information of the external speakers by a TWR method

Methodology Applied

Scientific EffectTwo Way Ranging (TWR): Time of Flight

Data Source

PatentUS12513463B2Display device and operating method thereof for adjusting audio settings based on external speaker location

Publication Date: 2025.12.30 LG ELECTRONICS INC

AI summary

A display device including a display configured to display image content; a wireless communication interface configured to wirelessly connect with a plurality of external speakers spaced a distance from the display; at least one positioning module configured to obtain position information of the plurality of external speakers identifying a spatial relationship between each external speaker and the display; and a controller configured to transmit an audio signal to be output by the external speakers, based on the obtained position information of the external speakers.