1. R. G. Bachu, S. Kopparthi, B. Adapa and B. D. Barkana (2010), Voiced/Unvoiced Decision for Speech Signals Based on Zero-Crossing Rate and Energy, January, 2010, Advanced Techniques in Computing Sciences and Software Engineering, pp 279-282, 2010; DOI 10.1007/978-90-481-3660-5_47
2. K.Sakhnov, E.Verteletskaya and B. Simak (2009), Dynamical Energy-Based Speech/Silence Detector for Speech Enhancement Applications, Proceedings of the World Congress on Engineering 2009 Vol I, WCE 2009, July 1 - 3, London, U.K., ISBN: 978-988-17012-5-1
3. L. R. Rabiner ; M. R. Sambur (1975), An algorithm for determining the endpoints of isolated utterances, The Bell System Technical Journal ( Volume: 54 , Issue: 2 , Feb. 1975 ), (ISSN: 0005-8580), DOI: 10.1002/j.1538-7305.1975.tb02840.x, pp. 297 - 315,
4. Prasad, V. (2002), Comparison of voice activity detection algorithms for VoIP, Proceedings - International Symposium on Computers and Communications, ·DOI: 10.1109/ISCC.2002.1021726, pp.62-65,
5. Pollak, P., Sovka, P., Uhlir, J. (1993), Noise Suppression System for a Car, proc. of the Third European Conference on Speech, Communication and Technology – EUROSPEECH’93, (Berlin, Germany), p. 1 073–1 076, vol.5, Sept..