References
- Rappaport M. B., Sprague H. B. Physiologic and physical laws that govern auscultation. and their clinical application—the acoustic stethoscope and the electrical amplifying stethoscope and stethograph. American Heart Journal 1941; 21: 257–318
- Luisada A. A. The Sounds of the Normal Heart. W. H. Green, St Louis 1972
- Rangayyan R. M., Lehner R. J. Phonocardiogram signal analysis: a review. CRC Critical Reviews in Biomedical Engineering 1988; 15(3)211–236
- Feigen L. P. Physical characteristics of sound and hearing. American Journal of Cardiology 1971; 28(2)130–133
- Classen Mecklenbrauker T. A. C. hl. The Wigner distribution—Part I. Philips Research Journal 1980; 39: 217–250
- Cohen L. Time-frequency distributions—A review. Proceedings of the IEEE 1989; 77(7)941–980
- Boashash B. Time-frequency signal analysis. Advances in Spectrum Estimation, S. Haykin. Prentice-Hall, NJ 1993
- Tuteur F. B. Wavelet transforms in signal detection. IEEE ICASSP, CH2561–9 1988; 1435–1438
- Grossmann A., Kronland-Martinet R. Time-and-scale representations obtained through continuous wavelet transforms. Signal Processing. IV: Theories and Applications, J. L. Lacoume, A. Chehikiari, N. Martin, J. Malbos. Elsevier, North-Holland 1988; 20–32
- Grossmann A., Morlett J. Decomposition of functions into wavelets of constant shape and relatrd transforms. Center for Interdisciplinary Research and Research Center Bielfeld-Bochum, University of Bielfeld. 1984, Report No. 11, December
- Kronland-Martinet R., Morlet J., Grossmann A. Analysis of sound Patterns through wavelet transforms. International Journal of Pattern Recognition and Artificial Intelligence 1987; 1(2)97–126
- Grossmann A., Holschneider M., Kronland-Martinet R., Morlet J. Detrction of abrupt changes in sound signals with the help of the wavelet transform. Inverse Problems: An Interdisciplinary Study. Advances in Electronics and Electron Physics. Academic, New York 1987; 298–306, Supplement 19
- Papoulis A. The Fourier Integral and its Applications. McGraw-Hill, New York 1962
- Obaidat M. S. Performance of the short-time Fourier transform and wavelet transform to phunocardiog-ram signal analysis. Proceedings of the ACM 1992 Symposium on Applied Computing. 1992, March, 1992; 856–862