The objectified procedure and a technology for assessing the state of complex noise speech information protection

Authors

DOI:

https://doi.org/10.15587/1729-4061.2018.144146

Keywords:

protection of speech information, acoustic interferences, speech intelligibility, speech signal purification

Abstract

White noise generators are typically applied for the systems of active interference in the design of systems for protecting verbal information. The level of speech information protection against leaking through acoustic and vibrational channels is determined by employing the appropriate normative method and technology. However, using the multi-channel methods for interception of language information, as well as modern methods for processing digital phonograms (wavelet transform, correlation analysis, etc.), allow the intruder to gain unauthorized access. Attempts to apply generators of speech-like noise based on the use of white noise (and its colored clones), reverberation methods, as well as the Language Choir method and some others, do not resolve the set task.

In the framework of this research, we have proposed a technique to overcome these difficulties. It is based on using speech-like interference generators the type of scrambler and applying the objectivized method and a technology to assess the degree of verbal information protection at the border of controlled zone. The objectivized method combines methods for determining the criteria for speech residual intelligibility (methods by Pokrovski and Speech Intelligibility Index), methods for filtering complex noise acoustic signals (wavelet transforms, phonemic correlation analysis and others) and the method for comparing a test signal at the point of location of the signal source and at the border of controlled zone. That makes it possible to improve reliability of the resulting estimate of the level of linguistic signal protection against leaking via acoustic and vibration channels beyond the controlled zone’s borders.

In order to investigate the level of protection of speech information at different types of the interference and at different ratios of signal/interference, we have designed a simulation model of the experiment.

A technology has been proposed to synthesize test signals based on random phonograms and/or phonograms of articulation tables, recorded by voice narrators, and on mixing different types of interference noise at the assigned ratios of signal to interference.

Our research was performed in the block «Wavelet 1-D» from the programming environment Matlab. It was established that when applying a noise interference, the type of white noise, and at the ratios of interference to signal of 20...24 dB, the proposed procedure improves the residual intelligibility of test signal from W≤10 % to W≈40…60 %.

Author Biographies

Volodymyr Blintsov, Admiral Makarov National University of Shipbuilding Heroiv Ukrainy ave., 9, Mykolayiv, Ukraine, 54025

Doctor of Technical Sciences, Professor

Department of Electronic Engineering of Ship and Robotic Complexes

Sergey Nuzhniy, Admiral Makarov National University of Shipbuilding Heroiv Ukrainy ave., 9, Mykolayiv, Ukraine, 54025

PhD, Associate Professor

Department of Computer Technologies and Information Security

Liubomyr Parkhuts, Lviv Polytechnic National University Stepan Bandera str., 12, Lviv, Ukraine, 79013

Doctor of Technical Sciences, Professor

Department of information security

Yurii Kasianov, Admiral Makarov National University of Shipbuilding Heroiv Ukrainy ave., 9, Mykolayiv, Ukraine, 54025

Senior Lecturer

Department of Computer Technologies and Information Security

References

  1. Miller, G. A., Licklider, J. C. R. (1950). The Intelligibility of Interrupted Speech. The Journal of the Acoustical Society of America, 22 (2), 167–173. doi: https://doi.org/10.1121/1.1906584
  2. Shannon, C. E. (1998). Communication in the Presence of Noise. Proceedings of the IEEE, 86 (2), 447–457. doi: https://doi.org/10.1109/proc.1984.13079
  3. ANSI/ASA S3.42-1992 PART 1 (R2017) American National Standard Testing Hearing Aids with a Broad-Band Noise Signal (1992). STANDARD by American National Standards of the Acoustical Society of America, 19.
  4. ANSI/ASA S3.37-1987 (R2017) American National Standard Preferred Earhook Nozzle Thread for Postauricular Hearing Aids (1987). STANDARD by American National Standards of the Acoustical Society of America, 6.
  5. ANSI/ASA S3.5-1997 (R2017) American National Standard Methods for Calculation of the Speech Intelligibility Index (1997). STANDARD by American National Standards of the Acoustical Society of America.
  6. French, N. R., Steinberg, J. C. (1947). Factors Governing the Intelligibility of Speech Sounds. The Journal of the Acoustical Society of America, 19 (1), 90–119. doi: https://doi.org/10.1121/1.1916407
  7. Bykov, Yu. S. (1959). Teoriya razborchivosti rechi i povyshenie effektivnosti radiotelefonnoy svyazi. Moscow; Leningrad: Gosenergoizdat, 350.
  8. Ioffe, V. K., Sapozhkov, M. A. (1963). K voprosu o metodike rascheta razborchivosti rechi. Trudy komissii po akustike AN SSSR, 6.
  9. Sapozhkov, M. A. (1963). Rechevoy signal v kibernetike i svyazi. Moscow: Svyaz'izdat, 472.
  10. Pokrovskiy, N. B. (1962). Raschet i izmerenie razborchivosti rechi. Moscow: Gos. izd-vo literatury po voprosam svyazi i radio, 392.
  11. Technical Specifications for Construction and Management of Sensitive Compartmented Information Facilities (2017). VERSION 1.4. IC Tech Spec – for ICD/ICS 705. An Intelligence Community Technical Specification Prepared by the National Counterintelligence and Security Center, 174. Available at: https://www.dni.gov/files/NCSC/documents/Regulations/Technical-Specifications-SCIF-Construction.pdf
  12. Gavrilenko, A. V., Didkovskiy, V. S., Prodeus, A. N. (2008). Sravnitel'niy analiz nekotoryh metodov ocenki razborchivosti rechi. Elektronika i svyaz', 1, 227–231.
  13. Licklider, J. C. R. (1948). The Influence of Interaural Phase Relations upon the Masking of Speech by White Noise. The Journal of the Acoustical Society of America, 20 (2), 150–159. doi: https://doi.org/10.1121/1.1906358
  14. Rosenblith, W. A., Stevens, K. N. (1953). Handbook of Acoustic Noise Control. Vol. І-II.
  15. ISO 9921:2003. Ergonomics – Assessment of speech communication (2003). International Organization for Standardization, 28. Available at: https://www.iso.org/standard/33589.html
  16. Zheleznyak, V. K., Makarov, Yu. K., Horev, A. A. (2000). Nekotorye metodicheskie podhody k ocenke effektivnosti zashchity rechevoy informacii. Special'naya tekhnika, 4, 39–45.
  17. Horev, A. A., Makarov, Yu. K. (2001). Metody zashchity rechevoy informacii i ocenki ih effektivnosti. Special'naya tekhnika, 4, 22–33.
  18. Horev, A. A. (2005). Sposoby i sredstva zashchity rechevoy (akusticheskoy) informacii ot utechki po tekhnicheskimi kanalami. Special'naya tekhnika, 5, 54–60.
  19. Didkovskiy, V. S., Didkovskaya, M. V., Prodeus, A. N. (2008). Akusticheskaya ekspertiza kanalov rechevoy kommunikacii. Kyiv: Imeks-LTD, 420.
  20. Mytiai, Y. O., Zamsha, K. S., Lozinskyi, B. V., Stepanovska, O. S., Prodeus, A. M. (2016). Objective and subjective assessment of bandlimited signaling speech quality. Electronics and Communications, 21 (1), 18–26. doi: https://doi.org/10.20535/2312-1807.2016.21.1.82250
  21. Bogdanova, N. V., Prodeus, A. M. (2014). Objective quality evaluation of speech band-limited signals. Electronics and Communications, 19 (6), 58–65. doi: https://doi.org/10.20535/2312-1807.2014.19.6.113479
  22. Bortnikov, A. N., Gubin, S. V., Lobov, V. A., Siromashenko, A. V., Chernyshov, P. V. (2007). Rezul'taty eksperimental'nyh issledovaniy ocenki vozmozhnostey perekhvata rechevoy informacii pri realizacii metodov dvuhkanal'nogo s'ema. Voprosy zashchity informacii, 1, 11–17.
  23. Lobov, V. A., Siromashenko, A. V., Chernyshov, P. V. (2007). Ocenka vozmozhnostey perekhvata rechevoy informacii pri realizacii metoda mnogokanal'nogo s'ema. Voprosy zashchity informacii, 4, 27–35.
  24. Nuzhnyi, S. M., Kasianov, Yu. I. (2015). Otsinka zakhyshchenosti movnoi informatsiyi pry zashumlenni i synkhronnomu vymiriuvanni z dvokh tochok. Zakhyst informatsiyi i bezpeka informatsiynykh system: materialy IV-oi Mizhnarodnoi naukovo-tekhnichnoi konferentsiyi. Lviv, 175–176.
  25. Kasianov, Yu. I., Nuzhnyi, S. M. (2016). Otsiniuvannia efektyvnosti heneratora realnoi movopodibnoi zavady za kryteriem rozbirlyvist movy. Visnyk Natsionalnoho universytetu "Lvivska politekhnika". Seriya: Avtomatyka, vymiriuvannia ta keruvannia, 852, 105–110. Available at: http://ena.lp.edu.ua:8080/handle/ntb/36473
  26. Nuzhnyy, S. M. (2018). Udoskonalena tekhnolohiya otsinky stupenia zakhystu movnoi informatsiyi. Suchasnyi zakhyst informatsiyi, 1 (33), 66–73. Available at: http://journals.dut.edu.ua/index.php/dataprotect/article/view/1796
  27. Hoyt, J. D., Wechsler, H. (1994). RBF models for detection of human speech in structured noise. Proceedings of 1994 IEEE International Conference on Neural Networks (ICNN'94). doi: https://doi.org/10.1109/icnn.1994.374996
  28. Arkhypova, O. O., Zhuravlov, V. M., Kumeiko, V. M. (2009). Artykuliatsiyni tablytsi sliv ukrainskoi movy. Pravove, normatyvne ta metrolohichne zabezpechennia systemy zakhystu informatsiyi v Ukraini, 2/19, 13–17.

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Published

2018-10-11

How to Cite

Blintsov, V., Nuzhniy, S., Parkhuts, L., & Kasianov, Y. (2018). The objectified procedure and a technology for assessing the state of complex noise speech information protection. Eastern-European Journal of Enterprise Technologies, 5(9 (95), 26–34. https://doi.org/10.15587/1729-4061.2018.144146

Issue

Vol. 5 No. 9 (95) (2018): Information and controlling system

Section

Information and controlling system

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Copyright (c) 2018 Volodymyr Blintsov, Sergey Nuzhniy, Liubomyr Parkhuts, Yurii Kasianov

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