Automatic Television Model Detection via Audio Feedback
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Solution Overview
Problem
Configuring a pillow speaker to pair with a television set in a hospital environment is labor-intensive due to the need for manual entry of model-specific codes, which can be time-consuming and complicated by varying television brands and reconfigurations, especially when the speaker or television is replaced or upgraded.
Innovation Solution
A system and method using a user interaction device with communication ports to transmit and detect operational codes, such as volume-down and volume-up codes, to automatically identify the television set model by monitoring audio signals, allowing for preprogrammed complete code sets for different models.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual entry of model-specific codes is used to pair pillow speaker with television, then pairing functionality is achieved, but installation time and labor intensity increase
Solution Approach 1:
The system enables automatic television model detection where the pillow speaker autonomously identifies the TV model and retrieves appropriate control codes without requiring manual installer intervention. The detection process occurs automatically through audio signal analysis, and the code retrieval is performed automatically from an integrated database, eliminating the time-consuming manual code entry process while maintaining accurate pairing functionality.
Solution Approach 2:
The system pre-loads a comprehensive database of television control codes for multiple brands and models into the pillow speaker during manufacturing. This preliminary preparation allows the device to quickly retrieve and apply the correct codes automatically during installation, eliminating the need for installers to manually search for and enter codes during the pairing process, thus reducing installation time while ensuring correct code application.
2Measurement precision
If comprehensive code database is maintained for multiple television models, then pairing accuracy improves, but device complexity increases
Solution Approach 1:
The system incorporates an integrated audio processor that acts as an intermediary between the pillow speaker and television. This audio processor automatically detects TV model-specific audio signals and facilitates automatic retrieval of appropriate control codes from the database, eliminating the need for complex manual configuration interfaces while maintaining high identification accuracy through automated signal analysis and code matching.
3Productivity
If automatic model detection is implemented, then installation time is reduced, but reliability of code matching may worsen
Solution Approach 1:
The system employs feedback mechanisms where the audio processor continuously monitors TV audio signals to verify successful model detection and code application. The system tests whether the retrieved control codes produce the expected TV responses, and if not, automatically searches for alternative codes from the database until correct matching is achieved, ensuring high reliability while maintaining fast automatic operation.
Data Source
AI summary
A system and method for identifying a model of a television set is presented. The system may include a user interaction device including a first communication port configured to transmit operational codes to the television set via a control link, and a second communication port configured to detect audio signals from the television set via a feedback link. The user interaction device may be configured to transmit volume-down codes for television models to the television set to program a volume level of the television set to 0. The user interaction device may be configured to transmit a volume-up code for a first television model. The user interaction device may be configured to identify a model of the television set as the first television model if the user interaction device detects an audio signal on the feedback link following the transmission of the volume-up code for the first television model.