Computer Engineering Department

of Belarusian State University of Informatics and Radioelectronics,
Minsk, BELARUS

E-mail: palex@bsuir.by

Web: Official Site (in Russian)


The BSUIR Department of Computer Engineering focuses on the design, analysis and application of different digital signal processing technologies. Research areas includes audio/speech compression, speech enhancement, voice conversion, FPGA implementation of video and image compression and etc. The Department sustains and strengthens its teaching and research program to provide students with inspiration and quality education in the theory and practice of computer engineering.

Department Publications

    2014

  1. Elias Azarov, Alexander Petrovsky
    Training personal voice model of a speaker with unified phonetic space of features using artificial neural network
    PSPIIRAS Proceedings. 2014, Issue 5(36), pp.128-150. ISSN 2078-9181 (print), ISSN 2078-9599 (online). (in Russian)

  2. Maxim Vashkevich, Elias Azarov and Alexander Petrovsky
    Estimation of instantaneous parameters for noisy AM-FM signals
    Proc. the 22th European Signal Processing Conference (EUSIPCO'2014) Lisbon, Portugal, 1-5 September, 2014. [presentation]

  3. 2013

  4. Elias Azarov, Maxim Vashkevich and Alexander Petrovsky
    Instantaneous harmonic representation of speech using multicomponent sinusoidal excitation
    Proc. the 14th Annual Conference of the International Speech Communication Association (Interspeech-2013), France, Lyon, 25-29 August 2013. [multimedia files]

  5. Elias Azarov, Maxim Vashkevich, Denis Likhachov and Alexander Petrovsky
    Real-time Voice Conversion Using Artificial Neural Networks with Rectified Linear Units
    Proc. the 14th Annual Conference of the International Speech Communication Association (Interspeech-2013), France, Lyon, 25-29 August 2013. [multimedia files]

  6. Maxim Vashkevich, Marek Parfieniuk and Alexander Petrovsky
    Application of modified discrete cosine transform with frequency warping for hearing aid design
    Proc. of 15th Int. Conf. "Digital Signal Processing and Its Application" (DSPA-2013), vol.1, pp. 109-112, Moscow, Russia, 27-29 March, 2013. (in Russian)

  7. Maxim Vashkevich, Elias Azarov and Alexander Petrovsky
    Hearing aid with low-delay design based on cochlear model with subband acoustic feedback cancellation
    Proc. of 15th Int. Conf. "Digital Signal Processing and Its Application" (DSPA-2013), vol.1, pp. 132-135, Moscow, Russia, 27-29 March, 2013. (in Russian)

  8. 2012

  9. Elias Azarov, Maxim Vashkevich and Alexander Petrovsky
    Algorithm for estimating the instantaneous fundamental frequency of the speech signal
    Digital Signal Processing (Moscow), No. 4, 2012, pp. 55-64. (in Russian)

  10. Maxim Vashkevich and Alexander Petrovsky
    An algebraic method for synthesizing fast algorithms of discrete cosine transform of arbitrary size
    Automatic Control and Computer Science, No. 5, 2012, pp. 48-57 (in Russian) [pdf] [auxiliary matlab code] [english version]

  11. Maxim Vashkevich, Marek Parfieniuk and Alexander Petrovsky
    High-accuracy implementation of fast DCT algorithms based on algebraic integer encoding
    Proc. of Int. Conf. on Signals and Electronic Systems (ICSES-2012), Wroclaw, Poland, 18-21 Sept. 2012. [auxiliary matlab code]

  12. Elias Azarov, Maxim Vashkevich and Alexander Petrovsky
    Instantaneous pitch estimation based on RAPT framework
    Proc. the 20th European Signal Processing Conference (EUSIPCO'2012), pp. 2787-2791,
    Bucharest, Romaina, 27-31 August, 2012.

  13. Maxim Vashkevich, Elias Azarov and Alexander Petrovsky
    Low-delay hearing aid based on cochlear model with nonuniform subband acoustic feedback cancellation
    Proc. the 20th European Signal Processing Conference (EUSIPCO'2012), pp. 514-518,
    Bucharest, Romaina, 27-31 August, 2012.

  14. Marek Parfieniuk and Alexander Petrovsky
    Near-perfect reconstruction oversampled nonuniform cosine-modulated filter banks based on frequency warping and subband merging
    Inter. journal of electronics and telecommunications, vol.58, no.2, pp. 177-192, 2012. [versita.metapress.com]

  15. Maxim Vashkevich, Elias Azarov and Alexander Petrovsky
    Acoustic feedback cancellation in hearing aid using nonuniform filter bank
    Informatics, No. 2(34), 2012, pp. 50-60 (in Russian)

  16. Maxim Vashkevich and Alexander Petrovsky
    A low multiplicative complexity fast recursive DCT-2 algorithm
    Computing Research Repository, 2012, pp. 1-4. [auxiliary matlab code]

  17. Maxim Vashkevich and Alexander Petrovsky
    Compressor of speech signals for hearing aid based on cochlear filter bank
    Proc. of 14th Int. Conf. "Digital Signal Processing and Its Application" (DSPA-2012), vol.1, pp. 91-94, Moscow, Russia, 28-30 March, 2012. (in Russian)


  18. 2011

  19. Denis Likhachov, Elias Azarov and Alexander Petrovsky
    Applying instantaneous harmonic analysis to anthropomorphical processing of audio and speech
    Informatics, No. 4(32), 2011. (in Russian)

  20. Maxim Vashkevich and Alexander Petrovsky
    Application of polynomial algebras and Galois theory for synthesis of fast algorithm of discrete cosine transforms
    Digital Signal Processing (Moscow), No. 3, 2011, pp. 2-10 (in Russian)

  21. Maxim Vashkevich, Wanggen Wan and Alexander Petrovsky
    Practical design of multi-channel oversampled warped cosine-modulated filter banks
    Proc. of IET International Communication Conference on Wireless Mobile and Computing (CCWMC-2011),
    pp. 44-49, Shanghai, China, 14-16 Nov., 2011. [arxiv.org]

  22. Elias Azarov and Alexander Petrovsky
    Real-time voice conversion based on instantaneous harmonic parameters
    Proc. of the International Conference on Acoustics, Speech, and Signal Processing (ICASSP-2011),
    pp. 5140 - 5143, Prague, Czech Republic, May 22-27, 2011. [mirlab.org]

  23. Alexander Pavlovets and Alexander Petrovsky
    Robust HNR-based closed-loop pitch and harmonic parameters estimation
    Proc. the 12th Annual Conference of the International Speech Communication Association (Interspeech-2011), Italy, Florence, 27-31 August 2011.

  24. Maxim Vashkevich and Alexander Petrovsky
    The design method of oversampled warped cosine-modulated filter banks
    Informatics, No. 2(30), 2011, pp. 21-39 (in Russian)

  25. Maxim Vashkevich and Alexander Petrovsky
    Generalized polyphase structure of cosine-modulated filter bank
    Proc. of 13th Int. Conf. "Digital Signal Processing and Its Application" (DSPA-2011), vol.1, pp. 91-94, Moscow, Russia, 30 March - 01 April, 2011. (in Russian)


  26. 2010

  27. Elias Azarov, Alexander Petrovsky and Marek Parfieniuk
    High-quality time stretch and pitch shift effects for speech and audio using the instantaneous harmonic analysis
    Eurasip Journal on Advances in Signal Processing, Special Issue on Digital Audio Effects, vol. 2010, 2010.

  28. Elias Azarov and Alexander Petrovsky
    Linear prediction of deterministic components in hybrid signal representation
    Proc. of IEEE International Symposium on Circuits and Systems (ISCAS-2010), pp. 2662-2665, Paris, France, May 30 - June 2, 2010.

  29. Maxim Rodionov and Alexey Petrovsky
    The lifting-based dual channel filter bank using fixed-point variable format arithmetic
    Digital Signal Processing (Moscow), No. 2, 2010, pp. 7-13 (in Russian)

  30. Maxim Rodionov and Alexey Petrovsky
    Rapid prototyping of packet discrete wavelet transform embedded pipeline processors
    Proc. of the 7th Int. Conf. "Computer-Aided Desing of Discrete Devices" (CAD DD'2010) vol.1, pp. 45-52, Minsk, Belarus, 16-17 Nov. 2010. (in Russian)

  31. Maxim Vashkevich and Alexander Petrovsky
    A design method for oversampled warped cosine-modulated filter banks
    Proc. of Int. Conf. on Signals and Electronic Systems (ICSES-2010), pp. 65-68, Gliwice, Poland, 7-10 Sept. 2010.

  32. Alexey Petrovsky, Maxim Rodionov and Alexander Petrovsky
    Dynamic reconfigurable lifting-based wavelet packet pipeline processor for real-time audio application
    Proc. the 18th European Signal Process. Conf. (EUSIPCO-2010), pp. 557-561, Aalborg, Denmark, 23-27 August, 2010.


  33. 2009

  34. Elias Azarov and Alexander Petrovsky
    Speech analysis based on instantaneous linear prediction
    Informatics, No. 2, 2009, pp. 71-82 (in Russian).

  35. Alexei Ivanov and Alexander Petrovsky
    Attentive signal processing for detection of sinusoids in noise
    Proc. of IEEE Conference Signal Processing: Algorithms, Architectures, Arrangements, and Applications (SPA-2009), pp. 133-138, Poznan, Poland, 24-26 Sept. 2009.

  36. Alexey Petrovsky, Elias Azarov and Alexander Petrovsky
    Combining advanced sinusoidal and waveform matching model for parametric audio/speech coding
    Proc. the 17th European Signal Process. Conf. (EUSIPCO-2009), pp. 436-440, Glasgow, Scotland, 24-28 August, 2009.

  37. Elias Azarov and Alexander Petrovsky
    Instantaneous harmonic analysis for vocal processing
    Proc. of the 12th Int. Conf. on Digital audio effects, DAFx-09, Como, Italy, September 1-4, 2009. [dafx09.como.polimi.it]

  38. Alexander Pavlovets, Michael Livshitz and Denis Likhachov and Alexander Petrovsky
    Voice conversion based on the HNT model of speech and separate VQ learning
    Proc. the European Conference on Speech and Computer (SPECOM-2009), Russia,
    St. Petersburg, 25-27 June, 2009.

  39. Elias Azarov and Alexander Petrovsky
    Text and speaker independent voice conversion
    Proc. of Int. Conf. "Pattern Recognition and Information Processing" (PRIP-2009), pp. 195-198, Minsk, Belarus, 19-21 May 2009.

  40. Maxim Vashkevich, Marek Parfieniuk and Alexander Petrovsky
    FPGA implementation of short critical path CORDIC-based approximation of the eight-point DCT
    Proc. of Int. Conf. "Pattern Recognition and Information Processing" (PRIP-2009), pp. 161-164, Minsk, Belarus, 19-21 May 2009. [matlab_code]

  41. Marek Parfieniuk, Alexander Petrovsky and Alexey Petrovsky
    Using Java to prototype a H.264/AVC decoder
    Proc. of Int. Conf. "Pattern Recognition and Information Processing" (PRIP-2009), pp. 205-210, Minsk, Belarus, 19-21 May 2009.


  42. 2008

  43. Alexander Pavlovets and Alexander Petrovsky
    Vector quantization of harmonic model parameters based on psychoacoustic principles
    Speech Technology, No. 4, 2008, pp. 50-60 (in Russian)

  44. Alexander Pavlovets, Michael Livshitz and Denis Likhachov and Alexander Petrovsky
    Voice conversion based on harmonic+noise+transient decomposition os speech
    Speech Technology, No. 4, 2008, pp. 37-49 (in Russian)

  45. Andrew Stankevich, Alexander Petrovsky, Miroslaw Omieljanowicz and Grzegorz Rubin
    Digital order tracking analysis for rotating machinery monitoring. Theory and implementation
    Diagnostyka, vol. 48, pp. 89-95, 2008.

  46. Elias Azarov, Alexander Petrovsky and Marek Parfieniuk
    Estimation of the instantaneous harmonic parameters of speech
    Proc. the 16th European Signal Process. Conf. (EUSIPCO-2008), Lausanne, Switzerland, 25-29 August, 2008.

  47. Michael Livshitz, Alexey Petrovsky, Andrew Stankevich, Michail Kachinsky and Alexander Petrovsky
    Embedded reconfigurable hardware platform for real-time audio and speech processing
    Proc. the 5th International conference on Neural Networks and Artificial Intelligence (ICNNAI'2008),
    pp. 96-101, Minsk, Belarus, 27-30 May 2008.


  48. 2007

  49. Marek Parfieniuk and Alexander Petrovsky
    Quaternionic lattice structures for four-channel paraunitary filter banks
    EURASIP Journal on Advances in Signal

  50. Alexander Pavlovets, Piotr Zubrycki and Alexander Petrovsky
    Harmonic model of the speech signal: parameters estimation and quantization
    Doklady of the BSUIR, No. 4(20), 2007, pp. 19-34 (in Russian)

  51. Marek Parfieniuk and Alexander Petrovsky
    Dependencies between coding gain and filter length in paraunitary filter banks designed using quaternionic approach
    Proc. the 15th European Signal Process. Conf. (EUSIPCO-2007), pp. 1327-1331, Poznan, Poland, 3-7 September, 2007.

  52. Alexander Pavlovets, Thay Kien, Piotr Zubrycki and Alexander Petrovsky
    Speech analysis-synthesis based on the PTDFT for voice conversion
    Proc. of the Intern. TICSP Workshop on Spectral Methods and Miltirate Signal Processing (SMMSP-2007),
    pp. 203-210, Moscow, Russia, 1-2 September, 2007.


  53. 2006

  54. Denis Likhachov and Alexander Petrovsky
    Analysis and synthesis of speech coding devices on basis of anthropomorphical processing and sinusoidal models
    Doklady of the BSUIR, No. 3(15), 2006, pp. 35-43 (in Russian)

  55. Michael Livshitz and Alexander Petrovsky
    An overcomplete WDFT-based perceptually constrained variable bit rate wideband speech coder with embedded noise reduction system
    Proc. the European Conference on Speech and Computer (SPECOM-2006), Russia,
    St. Petersburg, 25-29 June, 2006. [www.eurasip.org]

  56. Marek Parfieniuk and Alexander Petrovsky
    Structurally Orthogonal Finite Precision Implementation of the Eight Point DCT
    Proc. of the International Conference on Acoustics, Speech, and Signal Processing (ICASSP-2006),
    pp. 936 - 939, Toulouse, France, May 14-19, 2006.

  57. Marek Parfieniuk and Alexander Petrovsky
    Quaternionic approach to the one-regular eight-band linear phase paraunitary filter banks
    Proc. the 14th European Signal Process. Conf. (EUSIPCO-2006), Florence, Italy, 4-8 September, 2006.

  58. Alexei Ivanov and Alexander Petrovsky
    Markov Coding Strategy of the Simple Spiking Model of Auditory Neuron
    Proc. of World Congress on Computational Intelligence (WCCI-2006), pp. 8351-8358, Vancover, Canada, 17-21 July, 2006.


  59. 2005

  60. Alexei Ivanov and Alexander Petrovsky
    Analysis of the IHC adaptation for the anthropomorphic speech processing systems
    EURASIP Journal on Applied Signal Processing, vol. 2005, no. 9, pp. 1323-1333.

  61. Alexei Ivanov and Alexander Petrovsky
    Neuromorphic audio processing: A model simulation of the way auditory neurons encode signals
    Proc. the 10th European Conference on Speech and Computer (SPECOM-2005), pp. 645-648, Patras, Greece, 17-19 October, 2005.

  62. Marek Parfieniuk and Alexander Petrovsky
    Quaternionic approach to 8-channel general paraunitary filter bank
    Proc. the 13th European Signal Process. Conf. (EUSIPCO-2005), pp. 1237-1240, Antalya, Turkey,
    4-8 September, 2005. [www.eurasip.org]

  63. Michael Livshitz and Alexander Petrovsky
    Perceptually Constrained Variable Bitrate Wideband Speech Coder
    Proc. the International Conference on Computer as a Tool (EUROCON-2005), Serbia, Belgrade, 21-24 Nov. 2005.

  64. Michael Livshitz
    Linear prediction in signal processing in a non-uniform frequency scale
    News of The Belarusian Academy of Engineering, No.1(19), 2005, pp. 235-238 (in Russian) .

  65. Alexei Ivanov, Marek Parfieniuk and Alexander Petrovsky
    Frequency-Domain Auditory Suppression Modelling (FASM): A WDFT-Based Anthropomorphic Noise-Robust Feature Extraction Algorithm for Speech Recognition
    Proc. the 9th European Conference on Speech Communication and Technology (Eurospeech-Interspeech-2005), pp. 713-716, Lisbon, Portugal, 4-8 September, 2005.


  66. 2004

  67. Marek Parfieniuk and Alexander Petrovsky
    Tunable non-uniform filter bank mixing cosine modulation with perceptual frequency warping by allpass transformation
    Automatic Control and Computer Sciences, vol.38, no.4, pp. 44-52, 2004.

  68. Alexander Petrovsky, Krzysztof Bielawski and Alexey Petrovsky
    Perceptual coding of audio and speech signals
    Doklady of the BSUIR, No. 1(5), 2004, pp. 73-91 (in Russian)

  69. Marek Parfieniuk and Alexander Petrovsky
    Warped DFT as the basis for psychoacoustic model
    Proc. of the International Conference on Acoustics, Speech, and Signal Processing (ICASSP-2004),
    pp. 185 - 188, Montreal, Canada, May 17-21, 2004.

  70. Denis Likhachov and Alexander Petrovsky
    Parameters quantization in sinusoidal speech coder on basis of human auditory model
    Proc. the 9th International Conference on Speech and Computer (SPECOM-2004), pp. 195-202, St. Petersburg, Russia, 20-22 September, 2004. [http://www.isca-speech.org]

  71. Alexei Ivanov and Alexander Petrovsky
    Anthropomorphic feature extraction algorithm for speech recognition in adverse environments
    Proc. the 9th International Conference on Speech and Computer (SPECOM-2004), pp. 17-21, St. Petersburg, Russia, 20-22 September, 2004.

  72. Alexander Petrovsky and Sergei Shkredov
    Radix 2 and split radix 2-4 algorithms in formal synthesis parallel-pipelene FFT processors
    Proc. the 12th European Signal Process. Conf. (EUSIPCO-2004), Vienna, Austria, 6-10 September, 2004.

  73. Marek Parfieniuk and Alexander Petrovsky
    Quaternionic building block for paraunitary filter banks
    Proc. the 12th European Signal Process. Conf. (EUSIPCO-2004), pp. 1237-1240, Vienna, Austria, 6-10 September, 2004.

  74. Alexei Ivanov and Alexander Petrovsky
    A composite physiological model of the inner ear for audio coding
    116th AES Convention, Berlin, 8-11 May, 2004.


  75. 2003

  76. Alexey Anoshenko and Alexander Petrovsky
    The perceptual method of quality improving of a frequency limited speech signal: the combined single-channel system, the frequency approach
    Doklady of the BSUIR, No. 4, 2003, pp. 71-81 (in Russian)

  77. Michael Livshitz
    Vector quantization in wideband speech coders
    Proceedings of the Belarusian Academy of Engineering, No. 1, Vol. 15, 2003, pp. 281-284 (in Russian).

  78. Alexander Petrovsky and Denis Likhachov
    A digital cochlear model as a base of anthropomorphic speech processing
    Proc. the 3nd International conference on Neural Networks and Artificial Intelligence (ICNNAI'2003),
    pp. 126-131, Minsk, Belarus, 12-14 November 2003.

  79. Marek Parfieniuk and Alexander Petrovsky
    Simple rule of selection of subsampling ratios for warped filter banks
    Proc. of Int. Conf. Modern Communication Systems, pp. 130-134, Naroch, Belarus, 29 September - 3 October, 2003.

  80. Marek Parfieniuk and Alexander Petrovsky
    Reduced complexity synthesis part of non-uniform near-perfect-reconstruction DFT filter bank based on allpass transformation
    In Proc. 16th European Conf. on Circuits Theory and Design (ECCTD-2003), vol.3, pp. 5-8, Cracow, Poland,
    1-4 Sept., 2003.

  81. Denis Likhachov and Alexander Petrovsky
    Low-speed speech coder on basis of human auditory model
    Proc. of 5th Int. Conf. "Digital Signal Processing and Its Application" (DSPA-2003), vol.2, pp. 379-382, Moscow, Russia, 12-14 March 2003. (in Russian). Short English version.


  82. 2002

  83. Alexei Ivanov, Denis Likhachov and Alexander Petrovsky
    Spiking neuron auditory model for speech processing systems
    Proc. the 9th International Workshop on Systems, Signals and Image Processing, pp 365-369, Manchester, United Kingdom, 7-8 November 2002.

  84. Alexander Petrovsky, Marek Parfieniuk and Krzysztof Bielawski
    Psychoacoustically motivated nonuniform cosine modulated polyphase filter bank
    Proc. of 2nd Int. Workshop on Spectral Methods and Multirate Signal Processing (SMMSP-2002), pp. 95-101, Toulouse, France, 7-8 Sept., 2002.


  85. 2001

  86. Krzysztof Bielawski and Alexander Petrovsky
    Proposition of minimum bands multirate noise reduction system which exploits properties of human auditory system and all-pass transformed filter bank
    Proc. of IEEE Workshop Signal Processing, pp. 65-70, Poznan, Poland, 21 Oct., 2001.


  87. 2000

  88. Jaroslaw Baszun and Alexander Petrovsky
    Flexible cochlear system based on digital model of cochlea: structure, algorithms and testing
    Proc. the 10th European Signal Process. Conf. (EUSIPCO-2000), Tampere, Finland, 4-8 September, 2000. [www.eurasip.org]

  89. Alexander Petrovsky, Marek Parfieniuk and Krzysztof Bielawski
    Nonuniformly frequency spaced reconfigurable filter bank and its application to speech processing
    Proc. of 7th Int. Conf. "Mixed Design of Integrated Circuits and Systems" (MIXDES-2000), pp. 461-466, Gdynia, Poland, 15-17 June, 2000.

  90. Krzysztof Bielawski and Alexander Petrovsky
    Acoustic echo control and noise reduction in non-uniform filter bank: an application of oversampling multirate systems and all-pass transformation
    Proc. of IEEE Nordic Signal Processing Symposium, pp. 41-44, Kolmarden, Sweden, 13-15 June, 2000.

  91. Alexander Petrovsky and Sergei Shkredov
    Parallel-pipeline structures implementing split radix 2-4 FFT algorithm
    Proc. of Int. Conf. "Digital Signal Processing and Its Application" (DSPA-2000), vol.x, pp. xx-xx, Moscow, Russia, 29 Nov. - 01 Dec, 2000.


  92. 1999

  93. Krzysztof Bielawski and Alexander Petrovsky
    Speech enhancement system for hands-free telephone based on the psychoacoustically motivated filter bank with allpass frequency transformation.
    Proc. of Sixth European Conference on Speech Communication and Technology (EUROSPEECH-99), pp. 2555-2558, Budapest, Hungary, 5-9 Sept, 1999. [www.informatik.uni-hamburg.de]

  94. Alexei Ivanov and Alexander Petrovsky
    Temporal processing neural networks for speech recognition
    Proc. of International Conference on Neural Network and Artificial Intelligence (ICNNAI-99), pp. 117-125, Brest, Belarus, 12-15 October 1999.


  95. 1998

  96. Valentin Sercov and Alexander Petrovsky
    The method of pitch frequency detection on the base of turning to its harmonics
    Proc. of the European Signal Processing Conference (EUSIPCO-98), pp. 1137-1140, Island of Rhodes, Greece, 8-11 September, 1998. [www.eurasip.org]

  97. Alexander Petrovsky and Michal Kachinsky
    Design method of real-time parallel-pipeline processors computing the vector DFT
    Proc. of Int. Conf. on Parallel Computing in Electrical Engineering (PARELEC-98), pp. 242-247, Bialystok, Poland, 2-5 Sept. 1998.


  98. 1996

  99. Alexander Petrovsky
    The synthesis of high order digital bandpass filters with tunable center frequency and bandwidth
    Proc. the European Signal Process. Conf. (EUSIPCO-1996), pp. 1527-1530, Trieste, Italy, 10-13 September, 1996.


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