WorldCat Identities

Rowland, Roy C.

Overview
Works: 1 works in 2 publications in 1 language and 194 library holdings
Roles: Author
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Most widely held works by Roy C Rowland
Interaural intensity difference limen by Roy Cecil Rowland( Book )

2 editions published in 1967 in English and held by 195 WorldCat member libraries worldwide

The ability to judge the direction (the azimuth) of a sound source and to discriminate it from others is often essential to flyers. A major factor in the judgment process is the interaural intensity difference that the pilot can perceive. Three kinds of intensity-difference thresholds were compared for the purpose of determining interaural-binaural and interaural-monaural relations. Five subjects were tested at 250, 2000, and 6000 Hz, using a variation of the Bekesy technique. Responses to 27 interaural intensity combinations were measured at each frequency. Monaural and binaural conditions were included. Each of 24 of the combinations was measured under 0 and 180 degrees interaural phase conditions, and all were measured at 50, 35, and 20 dB HL (ISO). Results indicate that interaural-difference thresholds decrease as a function of level, as might be predicted. These thresholds vary as a function of the frequency and apparent azimuth of the fused tone, but are relatively insensitive to variations in interaural phase. Interaural intensity-difference thresholds differ significantly from both monaural and binaural difference thresholds. (Author)
 
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