Audiometric Receiver System for Underwater Sound Detection

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Solution Overview

Problem

Current sound detection systems in oceanography face challenges in detecting and classifying underwater sound patterns due to the wide range of natural and artificial sources and frequencies, requiring multiple hardware systems to handle diverse frequency ranges.

Innovation Solution

A hardware system comprising an audiometric transmitter and receiver with a digital signal processor that merges, amplifies, encrypts, and modulates audio signals, enabling simultaneous processing and transmission of sound patterns across various frequencies, using a single system that works with multiple sensors and AI-based analysis.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple frequency-specific hardware systems are used to detect diverse sound patterns, then detection coverage is improved, but device complexity increases

Engineering Contradiction:

Improvedetection coverageVSAvoiddevice complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent implements a single audiometric receiver system capable of processing multiple frequency ranges simultaneously through a digital signal processor with multiple channels. This universal system replaces the need for multiple separate frequency-specific hardware systems, achieving comprehensive detection coverage while reducing overall system complexity.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent combines multiple frequency detection capabilities into a single integrated receiver system. The digital signal processor merges multiple input channels receiving different frequency ranges, processes them through common amplification and filtering stages, and produces unified output, thereby consolidating what would traditionally require separate hardware systems.

Inventive Principle:

Principle #5Merging (Combining)

2Measurement precision

If multiple separate hardware systems are deployed for different frequency ranges, then measurement precision is improved, but loss of time increases

Engineering Contradiction:

Improvesound pattern classification accuracyVSAvoidprocessing time

Core Design Contradiction:

Measurement precisionVSLoss of time

Solution Approach 1:

The patent enables continuous simultaneous processing of multiple frequency ranges through a single receiver system. The digital signal processor handles multiple channels in parallel, allowing uninterrupted detection and classification of sound patterns across the entire frequency spectrum without the time delays associated with sequential processing or switching between separate systems.

Inventive Principle:

Principle #20Continuity of useful action

Solution Approach 2:

By merging multiple frequency detection functions into one system with shared processing resources, the patent eliminates the time required to switch between or coordinate separate hardware systems. The unified architecture allows all frequency ranges to be processed concurrently, maintaining high classification accuracy while reducing overall processing time.

Inventive Principle:

Principle #5Merging (Combining)

3Device complexity

If a single system processes all frequency ranges, then device complexity is reduced, but measurement precision may worsen

Engineering Contradiction:

Improvesystem configurationVSAvoidfrequency detection accuracy

Core Design Contradiction:

Device complexityVSMeasurement precision

Solution Approach 1:

The patent divides the frequency detection task into multiple channels within the digital signal processor, with each channel optimized for specific frequency ranges. This segmentation allows precise frequency-specific processing while maintaining a unified system architecture, thereby preserving measurement precision without requiring multiple separate hardware systems.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The patent applies different processing parameters and filter characteristics to different frequency channels within the single receiver system. Each channel is optimized with local quality adjustments for its specific frequency range, ensuring high detection accuracy for each band while maintaining overall system simplicity and unified management.

Inventive Principle:

Principle #3Local quality

Data Source

PatentUS12119020B2Audiometric receiver system to detect and process audio signals

Publication Date: 2024.10.15 INTERNATIONAL BUSINESS MACHINE CORPORATION

AI summary

In an approach for detecting and processing multiple audio signals simultaneously, an audiometric receiver system comprises a transmitter, wherein the transmitter comprises a digital signal processor, and wherein the digital signal processor comprises a quality check component, an amplifier or attenuator component, mixer component, a modulator component, and an encrypter component; and a receiver, wherein the receiver comprises a decrypter component, a demodulator component, a splitter component, and a second amplifier or attenuator component.