Objective measurement of acoustic intensity of coughing for clearance of penetration and aspiration on video-fluoroscopy
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DOI: 10.1080/17549507.2020.1784280
Abstract: Abstract Purpose This preliminary, exploratory study evaluated the acoustic intensity of effective and ineffective clearance of penetrated and aspirated material from the laryngeal vestibule in patients with dysphagia. Method A lapel microphone was attached anterior… read more here.
Keywords: acoustic intensity; aspirated material; penetration; intensity ... See more keywords
Using coherence to improve calculation of active acoustic intensity
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DOI: 10.1121/1.5068610
Abstract: The Phase and Amplitude Gradient Estimator (PAGE) method was developed as an alternative to the traditional method for calculating energy-based acoustic measures such as active acoustic intensity [E. B. Whiting et al. J. Acoust. Soc.… read more here.
Keywords: acoustic intensity; coherence; page method; method ... See more keywords
Vector Aeroacoustics for a Uniform Mean Flow: Acoustic Intensity and Acoustic Power
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DOI: 10.2514/1.j056853
Abstract: Acoustic vectors, such as acoustic velocity and acoustic intensity, have advantages over acoustic scalars in showing the detailed propagation path of acoustic energy. In this paper, acoustic vector... read more here.
Keywords: acoustic intensity; aeroacoustics uniform; uniform mean; intensity ... See more keywords