S. F. Boll, “Suppression of Acoustic Noise in Speech Using Spectral Subtraction,” IEEE Transactions on Acoustic, Speech, and Signal Processing, Vol. 27, No. 2, 1979, pp. 113-120. doi:10.1109/TASSP.1979.1163209
 M. Berouti, R. Schwartz and J. Makhoul, “Enhancement of Speech Corrupted by Acoustic Noise,” Proceedings of International Conference on Acoustic, Speech, and Signal Processing, Washington DC, April 1979, pp. 208-211.
 S. Kamath and P. Loizou, “A Multi-Band Spectral Subtraction Method for Enhancing Speech Corrupted by Colored Noise,” Proceedings of International Conference on Acoustic, Speech, and Signal Processing, Orlando, 13-17 May 2002. doi:10.1109/ICASSP.2002.5745591
 R. M. Udrea, N. Vizireanu, S. Ciochina and S. Halunga, “Non-Linear Spectral Subtraction Method for Colored Noise Reduction Using Multi-Band Bark Scale,” Signal Processing, Vol. 88, No. 5, 2008, pp. 1299-1303. doi:10.1016/j.sigpro.2007.11.023
 S. Li, J. Q. Wang and X. J. Jing, “The Application of Non-Linear Spectral Subtraction Method on Millimeter Wave Conducted Speech Enhancement,” Mathematical Problems in Engineering, Vol. 2010, 2010, Article ID: 570940. doi:10.1155/2010/570940
 V. Rama Rao, R. Murthy and K. S. Rao, “Speech Enhancement Using Cross-Correlation Compensated MultiBand Wiener Filter Combined with Harmonic Regeneration,” Journal of Signal and Information Processing, Vol. 2, No. 2, 2011, pp. 117-124. doi:10.4236/jsip.2011.22016
 R. Martin, “Noise Power Spectral Density Estimation Based on Optimal Smoothing and Minimum Statistics,” IEEE Transactions on Speech and Audio Processing, Vol. 9, No. 5, 2001, pp. 504-512. doi:10.1109/89.928915
 I. Cohen, “Noise Spectrum Estimation in Adverse Environments: Improved Minima Controlled Recursive Averaging,” IEEE Transactions on Speech and Audio Processing, Vol. 11, No. 5, 2003, pp. 466-475. doi:10.1109/TSA.2003.811544
 E. Zwicker and E. Terhardt, “Analytical Expressions for Critical-Band Rate and Critical Bandwidth as a Function of Frequency,” Journal of Acoustic Society of America, Vol. 68, No. 5, 1980, pp. 1523-1525. doi:10.1121/1.385079
 N. Upadhyay and A. Karmakar, “A Perceptually Motivated Multi-Band Spectral Subtraction Algorithm for Enhancement of Degraded Speech,” Proceedings of IEEE International Conference on Computer, and Communication Technology, Allahabad, 23-25 November 2012, pp. 340-345.
 N. Upadhyay and A. Karmakar, “An Auditory Perception Based Improved Multi-Band Spectral Subtraction Algorithm for Enhancement of Speech Degraded by Non-Stationary Noises,” Proceedings of IEEE International Conference on Intelligent Human Computer Interaction, Kharagpur, 27-29 December 2012, pp. 392-398.
 “A Noisy Speech Corpus for Assessment of Speech Enhancement Algorithms.” http://www.utdallas.edu/~loizou/speech/noizeus/