Wearable Audio Badge With Dual-Microphone Diarization
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Solution Overview
Problem
Existing methods for analyzing customer service interactions require high computational power for diarization and lack effective monitoring of employee behavior, particularly in aspects like social distancing and safety during pandemics, with a need for simpler and real-time supervision.
Innovation Solution
A wearable audio badge system with directional microphones, a wireless communication module, and a hub for diarization, social distancing monitoring, and safety analysis, utilizing AI algorithms for voice separation and incident detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If high computational power methods are used for diarization, then diarization accuracy is improved, but device complexity and energy consumption increase
Solution Approach 1:
The patent segments the audio signal into multiple channels corresponding to different physical microphone positions. By processing each channel separately and combining results, the system achieves diarization functionality without requiring a single complex high-power processor, thus reducing overall device complexity while maintaining accuracy.
Solution Approach 2:
The patent introduces intermediate processing steps including voice activity detection and speaker change detection as mediators between raw audio input and final diarization output. These intermediary processes break down the complex diarization task into manageable stages that can be executed with lower computational power at each step.
2Measurement precision
If multiple microphones are used for directional sound capture, then diarization capability is improved, but device complexity increases
Solution Approach 1:
The patent combines multiple omnidirectional microphones into a unified badge device with shared processing logic. By merging the functionality of multiple microphones into a single wearable unit with centralized audio processing, the system achieves directional sound capture capability without proportionally increasing overall device complexity.
Solution Approach 2:
The patent designs the badge with multiple microphones that serve multiple functions: they simultaneously enable directional sound capture, diarization, and environmental audio monitoring. This multi-functionality reduces the need for separate specialized devices, thereby managing complexity while improving speech separation capability.
3Speed
If real-time monitoring is implemented, then safety response time is improved, but energy consumption increases
Solution Approach 1:
The patent implements periodic monitoring cycles where the badge continuously analyzes audio input for safety concerns such as violence detection. By using periodic action with predetermined intervals for different types of analysis, the system achieves real-time safety monitoring while managing energy consumption through scheduled processing rather than continuous full-power operation.
Solution Approach 2:
The badge includes on-device processing capabilities that enable it to autonomously detect safety concerns and trigger alerts without requiring constant cloud connectivity. This self-service approach allows real-time safety response while reducing energy consumption by performing critical functions locally rather than relying on continuous communication.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables efficient diarization of employee and customer speech, real-time monitoring of social distancing, and safety assessment, providing a cost-effective and computationally efficient solution for supervising customer interactions.
Implementation Method 1
a tubular channel within the badge body located in close proximity to each microphone. The tubular channels are there to focus the sound coming into the microphones from one direction preferentially to others
Data Source
AI summary
A wearable badge for an employee that records and transmits audio from client interactions with the professional, comprising two microphones and two microphone channels that focus one microphone on the speech of the employee and the other microphone on the speech of the customer, making diarizing easier. The wearable badge also comprises a module to determine whether or not the employee is maintaining an appropriate social distance with customers.