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Multimodal Speech Capture System for Speech Rehabilitation and Learning.

Nordine Sebkhi, Dhyey Desai, Mohammad Islam

IEEE Transactions on Bio-Medical Engineering

|January 20, 2017

Summary

This study introduces a multimodal speech capture system (MSCS) to aid speech-language pathologists in treating motor speech disorders. The system visualizes tongue and lip movements with voice for real-time and offline analysis, improving articulation therapy.

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Area of Science:

Speech-language pathology
Biomedical engineering
Human-computer interaction

Background:

Motor speech disorders impact articulation, requiring SLPs to analyze complex articulator movements.
Current assessment methods for speech disorders are often subjective and lack objective kinematic data.
Visualizing articulatory dynamics is crucial for effective speech rehabilitation.

Purpose of the Study:

To present a multimodal speech capture system (MSCS) for recording and visualizing speech articulator kinematics and voice.
To provide real-time and offline feedback for patients and speech-language pathologists (SLPs).
To enable objective, quantitative analysis of speech performance for accelerated rehabilitation.

Main Methods:

Development of a multimodal speech capture system (MSCS) integrating hardware and software components.
Unobtrusive recording of tongue motion, lip gestures, and voice during speech.
Visualization of collected speech modalities for real-time and offline analysis.

Main Results:

A proof-of-concept prototype of the MSCS has been successfully developed.
Demonstrated basic visualization capabilities with a healthy individual speaking.
The system captures tongue kinematics, lip gestures, and voice data.

Conclusions:

The MSCS offers a novel approach to objectively assess and analyze speech articulation.
Future clinical studies will evaluate the system's impact on accelerating speech rehabilitation.
Pattern matching algorithms applied to MSCS data can provide quantitative feedback, overcoming limitations of current subjective methods.