This study investigates whether peripheral stimuli and equipment used by transcribers affects the speech intelligibility in noise and their response time. The study aims to see if the research group experiences psychosomatic issues that can be related to listening to covert audio as well as getting a good understanding about their work environment. Twelve conditions were developed each using the Dutch matrix sentence test but with different stimuli. Each sentence was presented once. Thirty-six participants were tested twice. Outcomes showed that the best performances were achieved when working in a conditioned environment with no distraction and high-end equipment. This resulted in a median speech reception threshold in stationary speech weighted noise of -9,4dB SNR.

Authors: Bergfeld, Dennis; Junte, Kornel
Affiliation: National Police of the Netherlands
AES Conference: 2017 AES International Conference on Audio Forensics (June 2017)
Paper Number: 3-1
Publication Date: June 6, 2017
Subject: Speech Intelligibility

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