Television Speaker Configuration via Cross-Point Switch

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Solution Overview

Problem

Existing television systems face limitations in audio quality due to restricted space and baffling within the television enclosure, leading to inadequate sound reproduction, and users often struggle with correctly configuring external speakers for enhanced audio experience.

Innovation Solution

A television system with a display panel and processing element that uses on-screen displays to properly configure multiple speakers and an internal amplifier, employing a cross-point switch to connect speakers to amplifier outputs based on determined proper connections, ensuring optimal audio quality.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If external speakers are used to improve audio quality, then sound quality and volume are enhanced, but the complexity of correct speaker configuration increases

Engineering Contradiction:
Improveaudio qualityVSAvoidspeaker configuration complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The system automatically detects speaker connections and configures the audio system without requiring manual user setup. The television identifies which speakers are connected and automatically routes audio channels appropriately, eliminating the need for users to manually configure speaker connections while still providing enhanced audio quality through external speakers.

Inventive Principle:
Principle #25Self-service

2Manufacturing precision

If manual speaker wiring is required for external speakers, then audio quality can be improved, but the ease of operation deteriorates due to difficult wiring and configuration

Engineering Contradiction:
Improveaudio qualityVSAvoidspeaker setup ease
Core Design Contradiction:
Manufacturing precisionVSEase of operation

Solution Approach 1:

The television system automatically detects which external speakers are connected and configures the audio output routing without requiring manual user intervention. The system identifies speaker connections and automatically assigns appropriate audio channels, making the process as easy as plugging in speakers while maintaining high audio quality.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system dynamically changes the audio output parameters and routing based on the detected speaker configuration. Instead of requiring fixed manual configuration, the system adapts the audio parameters automatically based on which speakers are connected, simplifying the user experience while maintaining optimal audio quality.

Inventive Principle:
Principle #35Parameter changes

3Reliability

If speakers are incorrectly configured, then audio-visual synchronization is disrupted, but detecting the error is difficult during music playback

Engineering Contradiction:
Improveaudio-visual synchronizationVSAvoidconfiguration error detection
Core Design Contradiction:
ReliabilityVSDifficulty of detecting and measuring

Solution Approach 1:

The system performs preliminary automatic configuration and detection before the user begins using the audio system. By automatically detecting speaker connections and configuring routing in advance, the system prevents synchronization errors before they occur, rather than requiring users to detect and correct errors during playback.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system provides feedback to the user about the detected speaker configuration and any potential issues. This allows users to verify that speakers are correctly configured before beginning use, making error detection straightforward through system feedback rather than requiring users to notice subtle synchronization problems during playback.

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS8953826B2System, method and apparatus for television speaker configuration
Publication Date: 2015.02.10 VIZIO INC
  • US8953826B2 patent drawing
  • US8953826B2 patent drawing
  • US8953826B2 patent drawing

AI summary

An application for present invention includes a television with a set of speaker outputs including at least a left speaker and a right speaker. On screen displays are used to properly configure the speakers and assure maximum audio quality from the television. In some embodiments, a cross-point switch connects the speakers attached to the television with the correct outputs of an internal amplifier.