Accession Number : ADA514622


Title :   Effects of Integrated Hearing Protection Headsets on the Quality of Radio Communications (Effets des Casques D'ecoute Munis d'un Dispositif Integre de Protection de L'Ouie sur la Qualite des Communications Radio)


Descriptive Note : Technical rept.


Corporate Author : DEFENCE RESEARCH AND DEVELOPMENT TORONTO (CANADA)


Personal Author(s) : Nakashima, Ann ; Abel, Sharon M.


Full Text : http://www.dtic.mil/get-tr-doc/pdf?AD=ADA514622


Report Date : JUL 2009


Pagination or Media Count : 33


Abstract : The speech intelligibility of a personal role radio (PRR) with integrated hearing protection headsets (IHPH) was investigated. The standard PRR communication headset is comprised of a one-sided earcup and a boom microphone, and does not provide hearing protection. IHPH devices provide simultaneous hearing protection, communication and enhanced hearing capability. Two different tests of speech intelligibility were used (modified rhyme test [MRT] and speech perception in noise [SPIN]) to evaluate the quality of radioed speech over the standard PRR headset (SH), the Nacre QuietPro (QP) and the Silynx QuietOpsTM (QO). The highest scores on the MRT and SPIN tests in background noise were obtained using the SH, followed by the QP and the QO. However, the QP was given a higher total user acceptance rating score than the SH. Both the QP and SH were rated relatively higher than the QO. Given that hearing protection will be required in most operational environments, the QP provided the best combination of speech quality, hearing protection and usability.


Descriptors :   *EAR PROTECTORS , *HEARING , *COMMUNICATION AND RADIO SYSTEMS , SPEECH RECOGNITION , SYNCHRONISM , HEADGEAR , BACKGROUND NOISE , INTELLIGIBILITY , AUDITORY PERCEPTION , EARPHONES , PROTECTION , COMMUNICATION EQUIPMENT , CANADA , MICROPHONES


Subject Categories : PROTECTIVE EQUIPMENT
      RADIO COMMUNICATIONS


Distribution Statement : APPROVED FOR PUBLIC RELEASE