Arthur Popper - This issue of Acoustics Today has an eclectic series of papers that includes consideration of climate change and bioacoustics, microphone arrays and the analysis of animal movement, the prehistoric origins and evolution of the flute, non-destructive testing of materials using acoustics, and effects of man-made sound on marine mammals.
The purpose of this study was to evaluate the feasibility and efficiency of an observer-based, two-interval forced-choice infant psychophysical testing procedure. Ten of 11 infants (7–9 months of age) achieved a criterion of 80%-correct detection of a 50-dB sound pressure level...
The aim of this study is to investigate the effect of Adaptive Dynamic Range Optimization (ADRO) on speech identification for cochlear implant (CI) users in adverse listening conditions. In this study, anechoic quiet, noisy, reverberant, noisy reverberant, and reverberant noisy conditions are evaluated. Two scenarios are...
The role of the duty factor (DF) in ultrasound-mediated cardiac stimulation is studied. Five 3-month-old female rats were exposed transthoracically to 3.5-MHz ultrasonic pulses of 2.0-MPa peak rarefactional pressure amplitude, variable DF, and variable pulse repetition frequency. A change in the...
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