Effect of ambient respiratory noise on the measurement of lung sounds

Medical and Biological Engineering and Computing

Volumn 37, Issue 4, 1999, Pages 461-465

  Pasterkamp, H ^a   Wodicka, G R ^b   Kraman, S S ^c  

^a UNIVERSITY OF MANITOBA   (Canada)

^b PURDUE UNIVERSITY   (United States)

^c LEXINGTON VA MEDICAL CENTER   (United States)

Author keywords

Computers; Respiratory air flow; Respiratory sounds; Spectrum analysis

Indexed keywords

ACOUSTIC NOISE; COMPUTER APPLICATIONS; FLOW OF FLUIDS; HELIUM; OXYGEN; SPECTRUM ANALYSIS; STATISTICAL METHODS;

RESPIRATORY AIR FLOW; RESPIRATORY SOUNDS;

RESPIRATORY MECHANICS;

HELIUM; OXYGEN;

ABNORMAL RESPIRATORY SOUND; ADOLESCENT; ADULT; ARTICLE; AVERAGE; BREATHING; EXPIRATORY FLOW; HUMAN; HUMAN EXPERIMENT; MALE; NECK; NOISE MEASUREMENT; NOISE REDUCTION; NORMAL HUMAN; RESPIRATORY AIRFLOW; SCHOOL CHILD; SOUND TRANSMISSION; SPECTRUM; STATISTICAL ANALYSIS; THORAX;

EID: 0032797953     PISSN: 01400118     EISSN: None     Source Type: Journal    
DOI: 10.1007/BF02513331     Document Type: Article

References (22)

1. FORGACS, P. (1972): 'Noisy breathing', Chest, 63, pp. Suppl:38S-Suppl:41S
2. GAVRIELY, N., PALTI, Y., and ALROY, G. (1981): 'Spectral characteristics of normal breath sounds', J. Appl. Physiol., 50, pp. 307-314
3. GAVRIELY, N., and CUGELL, D. W. (1996): 'Airflow effects on amplitude and spectral content of normal breath sounds', J. Appl. Physiol., 80, pp. 5-13
4. HADJILEONTIADIS, L., J., and PANAS, S. M. (1997): 'Higher-order statistics: a robust vehicle for diagnostic assessment and characterisation of lung sounds', Tech. Health Care, 5, pp. 359-374
5. KRAMAN, S. S. (1980): 'Determination of the site of production of respiratory sounds by subtraction phonopneumography', Am. Rev. Respir. Dis., 122, p. 303-309
6. KRAMAN, S. S., and AUSTRHEIM, O. (1983): 'Comparison of lung sound and transmitted sound amplitude in normal men', Am. Rev. Respir. Dis., 128, pp. 451-454
7. KRAMAN, S. S., WODICKA, G. R., OH, Y., and PASTERKAMP, H. (1995): 'Measurement of respiratory acoustic signals: Effect of microphone air cavity width, shape and venting', Chest, 108, pp. 1004-1008
8. KUYPER, P. (1972): 'The cocktail party effect', Audiology, 11, pp. 277-282
9. MALMBERG, L. P., SORVA, R., and SOVIJÄRVI, A. R. (1994): 'Frequency distribution of breath sounds as an indicator of broncho-constriction during histamine challenge test in asthmatic children', Pediatr. Pulmonol., 18, pp. 170-177
10. MALMBERG, L. P., PESU, L., and SOVIJÄRVI, A. R. A. (1995): 'Significant differences in flow standardised breath sound spectra in patients with chronic obstructive pulmonary disease, stable asthma, and healthy lungs', Thorax, 50, pp. 1285-1291
11. MERCER, J. L. (1973): 'The mechanism of bronchial breathing', Chest, 63, pp. 856
12. 2 breathing', J. Appl. Physiol., 51, pp. 1038-1041
13. O'DONNELL, D. M., and KRAMAN, S. S. (1982): 'Vesicular lung sound amplitude mapping by automated flow-gated phonopneumography', J. Appl. Physiol., 53, pp. 603-609
14. PASTERKAMP, H., KRAMAN, S. S., DEFRAIN, P. D., and WODICKA, G. R. (1993): 'Measurement of respiratory acoustical signals. Comparison of sensors', Chest, 104, pp. 1518-1525
15. PASTERKAMP, H., and SANCHEZ, I. (1996): 'Effect of gas density on respiratory sounds', Am. J. Resp. Crit. Care Med., 153, pp. 1087-1092
16. PASTERKAMP, H., POWELL, R. E., and SANCHEZ, I. (1996a): 'Characteristics of lung sounds at standardized air flow in normal infants, children and adults', Am. J. Resp. Crit. Care Med., 154, pp. 424-430
17. PASTERKAMP, H., SCHÃFER, J., and WODICKA, G. R. (1996b): 'Posture-dependent change of tracheal sounds at standardized flows in patients with obstructive sleep apnea', Chest, 110, pp. 1493-1498
18. PASTERKAMP, H., KRAMAN, S. S., and WODICKA, G. R. (1997a): 'State of the art: respiratory sounds-advances beyond the stethoscope', Am. J. Respir. Crit. Care Med., 156, pp. 974-987
19. PASTERKAMP, H., CONSUNJI-ARANETA, R., OH, Y., and HOLBROW, J. (1997b): 'Chest surface mapping of lung sounds during methacholine challenge', Pediatr. Pulmonol., 23, pp. 21-30
20. PASTERKAMP, H., PATEL, S., and WODICKA, G. R. (1997c): 'Asymmetry of respiratory sounds and thoracic transmission', Med. Biol. Eng. Comput., 35, pp. 103-106
21. SANCHEZ, I., and PASTERKAMP, H. (1993): 'Tracheal sound spectra depend on body height', Am. Rev. Respir. Dis., 148, pp. 1083-1087
22. WODICKA, G. R., KRAMAN, S. S., ZENK, G. M., and PASTERKAMP, H. (1994): 'Measurement of respiratory acoustic signals. Effect of microphone air cavity depth', Chest, 106, pp. 1140-1144