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SPRAAKLAB - mobile laboratory for speech recorded acoustically and kinematically
Teja Rebernik1,2, Jidde Jacobi3, Raoul Buurke3
1Laboratoire de Phonétique et Phonologie, CNRS/Sorbonne Nouvelle, 4 Rue des Irlandais, Paris, 75005, France.
Behavior Research Methods
|June 20, 2025
Summary
SPRAAKLAB, a mobile speech data collection lab, overcomes accessibility barriers. Acoustic analysis confirms its suitability for high-quality speech data collection in diverse environments.
Area of Science:
- Experimental Linguistics
- Acoustic Phonetics
- Speech Science
Background:
- Traditional laboratory-based data collection poses accessibility challenges for some participants.
- Mobile solutions are needed to broaden participation in speech research.
- SPRAAKLAB addresses the need for flexible, high-quality data acquisition.
Purpose of the Study:
- To introduce SPRAAKLAB, a mobile laboratory for speech data collection.
- To evaluate the acoustic quality of data collected within SPRAAKLAB.
- To demonstrate the utility of SPRAAKLAB for research and public outreach.
Main Methods:
- Acoustic analysis of speech recordings.
- Measurements included transmission loss, signal-to-noise ratio (SNR), and harmonics-to-noise ratio (HNR).
- Data collected both inside and outside the mobile laboratory.
Main Results:
- Acoustic measures confirm consistent, high-quality speech data acquisition.
- SPRAAKLAB demonstrates effectiveness even in noisy environments.
- The mobile lab achieved favorable transmission loss, SNR, and HNR.
Conclusions:
- SPRAAKLAB is a viable tool for collecting high-quality speech data.
- The mobile laboratory enhances accessibility and facilitates participant recruitment.
- SPRAAKLAB supports both research data collection and public engagement initiatives.
