Dual-Pilot Speech Recognition With Separate Audio Channels

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Solution Overview

Problem

Modern electronic displays in vehicles, such as aircraft cockpits, are compact and require time-consuming, inefficient, and error-prone manual inputs, and dual pilot operations necessitate independent voice command capabilities to avoid interference.

Innovation Solution

A system with separate audio input devices and recognition modules for each pilot, enabling concurrent voice command processing and transmission with unique identifiers to ensure independent and simultaneous voice command execution without crosstalk.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If a single shared audio input device and recognition module are used for both pilots, then device complexity is reduced, but voice command processing becomes interfered with by crosstalk and noise between pilots

Engineering Contradiction:
Improvenumber of audio input devices and recognition modulesVSAvoidvoice command processing accuracy
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The system divides the audio input functionality into separate segments - each pilot has their own dedicated audio input device and recognition module. This segmentation eliminates crosstalk between pilots while maintaining independent voice command processing channels, resolving the contradiction between device complexity and processing reliability.

Inventive Principle:
Principle #1Segmentation

2Device complexity

If manual input methods are used for compact electronic displays, then device complexity is reduced, but operation time increases and error rate increases

Engineering Contradiction:
Improveinput interface complexityVSAvoidtime to manipulate displays
Core Design Contradiction:
Device complexityVSLoss of time

Solution Approach 1:

The system replaces mechanical manual input operations with voice-based acoustic input. Pilots can issue commands verbally rather than manually navigating compact displays, significantly reducing operation time and eliminating manual input errors while maintaining compatibility with existing display systems.

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

3Ease of operation

If voice command functionality is added for dual pilot operations, then ease of operation is improved, but device complexity increases due to need for separate processing channels

Engineering Contradiction:
Improvevoice command usabilityVSAvoidnumber of recognition modules and processing channels
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The system implements separate recognition modules for each pilot, creating independent processing channels that simplify the architecture. Each module handles only its associated pilot's commands, making the system easier to operate while avoiding the complexity of a single shared module that would need to distinguish between multiple users.

Inventive Principle:
Principle #1Segmentation

4Area of stationary object

If compact electronic displays are used in aircraft cockpits, then space utilization is improved, but ease of operation deteriorates due to small display size

Engineering Contradiction:
Improvedisplay sizeVSAvoidmanual input efficiency
Core Design Contradiction:
Area of stationary objectVSEase of operation

Solution Approach 1:

The system replaces mechanical interaction with compact displays (touchscreen manipulation) with voice-based acoustic interaction. This allows pilots to issue commands without physically manipulating small display elements, maintaining the space-efficient compact display design while dramatically improving operational ease and reducing errors.

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

Data Source

PatentUS12451137B2Speech recognition systems and methods for concurrent voice commands
Publication Date: 2025.10.21 HONEYWELL INTERNATIONAL INC
  • US12451137B2 patent drawing

AI summary

Systems and methods are provided that support concurrent voice commands from different users. A speech recognition system includes a first input interface to receive a first audio input, a second input interface to receive a second audio input, an output interface, a first recognition module coupled to the first input interface and the output interface to determine a first textual representation of the first audio input and transmit a first message stream comprising the first textual representation and a first identifier associated with the first audio input via the output interface, and a second recognition module coupled to the second input interface and the output interface to determine a second textual representation of the second audio input and transmit a second message stream comprising the second textual representation and a different identifier associated with the second audio input via the output interface.