Adaptive Speech Recognition for Security Alarm Systems

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Traditional security alarm systems are not intuitive for end users, leading to limited interaction with advanced features due to complex user interfaces that require memorization of keystrokes or menu flows, intimidating average users and restricting their usage.

Innovation Solution

The implementation of speech recognition with smart filtering technology and speech-to-text processing allows for intuitive interactions through voice commands, using preconfigured keywords and adaptive vocabulary lists to interpret and execute security functions, with voice feedback and assistance for enhanced usability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If traditional fixed icon numeric keypads are used, then device complexity is reduced and manufacturing is easier, but ease of operation deteriorates and user interaction becomes intimidating

Engineering Contradiction:
Improveuser interactionVSAvoidinterface complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent replaces the mechanical keypad interface with voice recognition technology. Users speak natural language commands instead of pressing physical buttons, substituting mechanical interaction with acoustic field interaction. This resolves the contradiction by dramatically improving ease of operation while the complexity is managed through software processing rather than mechanical design.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent introduces speech-to-text conversion as an intermediary between the user and the security system. Voice commands are converted to text, then processed to generate appropriate system responses. This intermediary layer simplifies user interaction while managing complexity through automated translation and interpretation layers.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Ease of operation

If speech recognition with adaptive vocabulary is implemented, then ease of operation improves and advanced features become accessible, but device complexity increases and processing requirements increase

Engineering Contradiction:
Improveintuitive interactionVSAvoidprocessing complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The system performs preliminary actions by pre-configuring vocabulary lists and filtering mechanisms before user interaction begins. Common security commands and relevant terminology are pre-loaded and prepared, allowing the speech recognition system to quickly match and interpret user speech without requiring complex real-time analysis of every possible command.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The speech processing system is segmented into multiple functional components: voice activation detection, speech-to-text conversion, vocabulary filtering, command interpretation, and response generation. This segmentation allows each component to handle specific tasks efficiently, reducing overall processing complexity while maintaining high ease of operation.

Inventive Principle:
Principle #1Segmentation

3Productivity

If voice commands with adaptive vocabulary filtering are used, then productivity increases through faster command execution, but loss of information increases due to potential misinterpretation of speech

Engineering Contradiction:
Improvecommand execution speedVSAvoidcommand accuracy
Core Design Contradiction:
ProductivityVSLoss of information

Solution Approach 1:

The system implements feedback mechanisms where the processed command is presented back to the user for confirmation before execution. This allows users to verify that their speech was correctly interpreted, reducing information loss while maintaining fast execution speeds through automated processing of confirmed commands.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The vocabulary filtering system dynamically adapts based on context, user history, and command frequency. Frequently used commands and context-relevant terms receive higher priority in the adaptive vocabulary list, improving both accuracy and execution speed by focusing processing resources on the most likely intended commands.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentEP2933789B1Security alarm system with adaptive speech processing
Publication Date: 2019.11.27 HONEYWELL INTERNATIONAL INC
  • EP2933789B1 patent drawingFigure 1

AI summary

A regional monitoring system includes speech recognition circuitry having smart filtering capability to interpret speech input from a user to provide interactions between the user and the system. Received voice commands can be filtered using key words to interpret security commands which can then be executed. The system can provide audible feedback using one or more of prerecorded voice data files or synthesized speech.