Results 251 to 260 of about 166,772,241 (302)
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Abdominal cardiovascular sound recording and analysis using cardio-microphones
2022 44th Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC), 2022In view of using abdominal microphones for fetal heart rate (FHR) monitoring, the analysis of the obtained abdominal phonocardiogram (PCG) signals is complex due to many interferential noises including blood flow sounds. In order to improve the understanding of abdominal phonocardiography, a preliminary study was conducted in one healthy volunteer and ...
Julie Fontecave Jallon +2 more
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PsySound3: a program for the analysis of sound recordings
The Journal of the Acoustical Society of America, 2008This paper demonstrates the sound analysis software PsySound3, which was written by the authors. The software currently includes a range of DSP-based analysis techniques (e.g., spectrum, cepstrum, autocorrelation, Hilbert transform, sound level meter emulator), as well as implementations of psychoacoustical algorithms often associated with sound ...
Densil Cabrera +3 more
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Microphotometric Analysis of Movietone Sound Records
Nature, 1930IN a letter published in a recent number of NATURE (July 19, p. 93), Dr. Louis V. King announced a method of microphotometric analysis of movietone sound records. Evidently Dr. King has overlooked that this method was described by me seven years ago in a paper, “Photographic Recording and Photoelectric Reproduction of Sound”, published in the ...
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Analysis on Sound Field Recorded with Vector Sensors
AIP Conference Proceedings, 2010From data collected with vector sensors at several sites, the transmission losses of particle velocities and pressures are examined. In particular, the components of the particle velocity fields both normal and tangential to the horizontal plane are studied. Theoretical and experimental results show that both vertical and horizontal particle velocities
Fenghua Li +6 more
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Coherence analysis of multichannel heart sound recording
Computers in Cardiology 1996, 2002This paper addresses the need for a multichannel approach for spectral analysis of heart sound. A method based on cross-spectral and coherence analysis has been developed to compare the spectral details of heart sounds recorded from different auscultatory areas across the chest wall.
A. Haghighi-Mood, J.N. Torry
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Problems of Analysis and Evaluation of the Sound Recording Market for a Startup
Journal of Modern Competition, 2022The article outlines the problems of marketing research of a potential market for a startup entering the market. The complexity of analyzing potential demand lies in the lack of information and low reliability of evaluation methods, especially if the product is innovative.
Artem A. Buimov, Sofia N. Lyubyashenko
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Recording and preliminary analysis of respiratory sounds from tuberculosis patients
Medical & Biological Engineering & Computing, 1981Respiratory sounds having a pulmonary origin from both normal subjects and tuberculosis patients were recorded and a preliminary analysis was made with a number of bandpass filters. These investigations indicate a distinct difference in wave shapes between sound signals recorded from normal and diseased subjects.
A K, Majumder, S K, Chowdhury
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Factors affecting the quality of sound recording for speech and voice analysis
International Journal of Speech-Language Pathology, 2009The importance and utility of objective evidence-based measurement of the voice is well documented. Therefore, greater consideration needs to be given to the factors that influence the quality of voice and speech recordings. This manuscript aims to bring together the many features that affect acoustically acquired voice and speech.
Vogel, AP, Morgan, AT
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Recording and analysis of sounds produced by human lungs during respiration
Experientia, 1969Les sons emis par les poumons de l'homme au cours de l'acte respiratoire ont pu etre enregistres sur bande magnetique et analyses a l'aide d'un audiospectrometre. Les resultats des experiences montrent qu'a l'aide des methodes physiques objectives on peut obtenir, sans difficultes majeures, des renseignements sur les bruits dus a la respiration plus ...
R, Nachman, M, Nachman, L, Vinaru
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Auris Nasus Larynx
Haji et al. reported that characteristic click-like sounds during the swallowing reflex were recorded with a small lavalier microphone placed in the ear. They also reported that endoscopic and phototubometric observations showed that these sounds were likely related to the opening and closing of the Eustachian tube during swallowing.
Tomoyuki, Haji, Yumi, Yamaguchi
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Haji et al. reported that characteristic click-like sounds during the swallowing reflex were recorded with a small lavalier microphone placed in the ear. They also reported that endoscopic and phototubometric observations showed that these sounds were likely related to the opening and closing of the Eustachian tube during swallowing.
Tomoyuki, Haji, Yumi, Yamaguchi
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