Evaluation of Communication Systems for Full-Face Firefighter Masks

Brodersen, Michael, Jungeling, Thorben Mozitz and Schmidt, Gerhard (2017) Evaluation of Communication Systems for Full-Face Firefighter Masks [Invited talk] In: 12. ITG Symposium, 05.-07.10.2016, Paderborn, Germany.

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Abstract

When firefighters wear full-face masks with so-called selfcontained breathing apparatus for ensuring clean air supply, the speech is strongly attenuated due to the characteristics of the masks. For this reason communication units are attached to the masks to enhance the communication. The microphones of these units are picking up the speech signals. After enhancing the signals, they are played back via loudspeakers (in front of the mask), transmitted via so-called team radio (received from other communication units), and can be connected to a tactical radio. Since communication is important for successful operation of firefighters, different systems should be compared and, to document the progress of enhancement, (automatic) evaluation of such systems should also be investigated. In this paper we present an overview about evaluation strategies and show several first attempts based on measures such as signal-to-noise ratio, spectral distance, delay, speech transmission index, and perceptual objective listening quality assessments

Document Type: Conference or Workshop Item (Invited talk)
Research affiliation: Kiel University > Kiel Marine Science
OceanRep > The Future Ocean - Cluster of Excellence
Kiel University
Date Deposited: 20 Dec 2017 11:45
Last Modified: 03 Apr 2018 13:12
URI: http://eprints.uni-kiel.de/id/eprint/41011

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