Skip to main content
. Author manuscript; available in PMC: 2020 Jul 1.
Published in final edited form as: Ear Hear. 2019 Jul-Aug;40(4):805–822. doi: 10.1097/AUD.0000000000000672

Table 3.

Listening conditions for paired comparisons and scale ratings

Speech level and location Noise level and location Designed for
S0N0-babble A. 60 dBA; 0 degree
B. 70 dBA; 0 degree		 A. Babble; 54 dBA; 0 degree
B. Babble; 70 dBA; 0 degree		 Baseline
S0-reverberation A. 60 dBA; 0 degree; church
B. 60 dBA; 0 degree; small club		 No noise Reverberation reduction
S0N0-transient 60 dBA; 0 degree A. Can drop (90 dBA); 0 degree
B. Hammer hit (90 dBA); 0 degree		 Impulse noise reduction
S0N180-wind 60 dBA; 0 degree Wind, 3.8 m/sec; 180 degree Wind noise reduction
S0N180-babble A. 60 dBA; 0 degree
B. 70 dBA; 0 degree		 A. Babble; 54 dBA; 180 degree
B. Babble; 70 dBA; 180 degree		 Spatial noise reduction