Education

- PHD in Computer Engineering, Sharif University of Technology, Tehran, Iran. 2006

First Rank in PhD Graduates for the Year

GPA=19.06 of 20

Thesis Quality: Excellent

Title of Thesis: “ Speech Enhancement by Wavelet and Combinational Methods”

Advisor: Dr. Manzuri-Shalmani, M.T.

- M.Sc. in Computer Engineering, Amirkabir University of Technology, Tehran, Iran, Jan. 2001.

- B.Sc. in Computer Engineering, Sharif University of Technology, Tehran, Iran, 1998.

Research Interests

- Speech Enhancement

- Wavelet Application

- Speech Synthesis

- Speech Recognition

- Speech Processing

- Signal Processing

- Information Technology applications

- Computer Architecture

Teaching Courses

- Speech Signal Processing (M.Sc. Course)

- Computer Architecture

- Digital Design

- Fundamentals of Hardware

- Computer Networks

- Advanced Computer Programming

- Fundamentals of Computer and Programming

- Basics of Computer 1

- Basics of Computer 2

- Application of Computer in Biology (M.Sc. Course)

- Numeric Calculation

- Computer Workshop

- Electrical Circuit Lab

Experiences and Honors

- Head of Computer Science Group in Central Payame Noor (all university branches around the country), since July 2008.

-Director of Computer Engineering, IT and Computer Science Group in Payame Noor of Esfahan Province since Feb. 2008.

- University Best Engineering Researcher in the year 2007.

- IT council committee of Najafabad Payame Noor University: as a member since 2007.

- First Rank in the PhD Graduates of Sharif University in the year 2006.

- Visiting Researcher: at the Communications & Multimedia Signal Processing Group, School of Engineering and Design, Brunel University, London, work with: Professor Saeed Vaseghi.

- Sharif's First FPGA Design Contest (2002): As referee and member of scientific committee

- Student Conference on Computer Science and Engineering (2001): As a member of scientific committee

- The First Iranian RoboCup Soccer Simulation Contest (2000): As a member of referee committee

- Computer Engineering Department Alumni Association of Sharif University of Technology (1999-2001): Elected as a member of committee

- Behin System Company (1999-2001): As a computer engineer

- Jahade daneshgahi Sharif (1997-1999): As a member of computer and automation office.

Scholarships and Awards

- British Council Scholarship Award (2005-2006)

- Sharif University of Technology Fellowship for excellent students, (2004-2006).

- Sharif University of Technology B.Sc. Scholarship for top-new students, 1994-1995.

Teaching Experiences

- Payame Noor University (2006-Now)

- Sharif University of Technology (2002-2006): Department of Computer Engineering

- Payame Noor University (2001-2002)

- Islamic Azad University (2001-2002)

Reviewer (Journal, Conference)

- PeykeNoor Journal, The Payame Noor Journal of Science.

- Second PNU Research Proceeding, Esfahan, Iran, Dec. 2008.

- ICEE2008, The 14^th Intl. Iranian Conference on Electrical Engineering, Tehran, Iran.

- CSICC2008, The 13th International Computer Society of Iran Computer Conference, Kish Island, Iran.

- CSICC2008, The 13th National Computer Society of Iran Computer Conference, Kish Island, Iran.

- IKT2007, 3^th International Conference on Information and Knowledge Technology, Mashhad, Iran.

- ISCIT2007, 7^th International Symposium on Communications and Information Technologies, Australia.

- EUSIPCO2007, 15^th European Signal Processing Conference, Poland.

- Iranian Journal of Electrical and Computer Engineering, Journal of Jahade daneshgahi

- CSI Journal of Computer Science and Engineering, Journal of Computer Society of Iran

- CSICC2007, The 12th International Computer Society of Iran Computer Conference, Tehran, Iran.

- CSICC2006, The 11th International Computer Society of Iran Computer Conference, Tehran, Iran

- Student Conference on Electrical Engineering (2001)

- Student Conference on Computer Science and Engineering (2001)

Publications (sorted by most recent)

-Books

[37] Author: of the Book “Basics of Speech Signal Processing”, PNU Publication, 2008.

- This is a text book for PNU M.Sc. students in computer engineering

-This is the first book about speech signal processing in Persian language.

- Book Name in Persian Language:مبانی پردازش سیگنال گفتار

[36] Scientific Editor: of the Book “Multimedia Signal Processing, Theory and Application in Speech, Music and Communication” by Professor Saeed Vaseghi, John Wiley Publication, 2007.

-Papers

[35] M. Mazloom, S. Ayat, “Combinational Method for Face Recognition: Wavelet, PCA and ANN”, Accepted for Digital Image Computing: Techniques and Applications (DICTA 2008) conference, Australia, Dec. 2008.

[34] S. Ayat, “Basic Concepts in Speech Signal Processing”, Esfahan PNU Research Proceeding, Esfahan, Iran, Dec. 2008.

[33] S. Ayat, “Representation of Physical Signals Using Basic Vectors and its Relation with Parseval and Fourier theorem”, Third PNU Physics Conference, Ahvaz, Iran, Dec. 2008.

[32] M. Mehdipoor, S. Ayat, “Mathematic Applications in Physics”, Symposium of Life in Mathematical Perspective, Aliabad, Iran, Oct. 2008.

[31] S. Ayat, “Enhanced Human-Computer Speech Interface Using Wavelet Computing", IEEE International Conference on Virtual Environments, Human-Computer Interfaces and Measurement Systems, Turkey, July 2008.

[30] S. Ayat, “IT as a need in efficient business development ", the intl. Conference of Chabahar, Easter Corridor Development of Iran, Tehran, Iran, May 2008.

[29] M. Mehdipoor, S. Ayat, “New Technologies and the effects of their application on our echo-system", Uromiye, Iran, May. 2008.

[28] S. Ayat, “e-learning: features, needs and hazards", the Conference of Learning Technology in Information and Communication Age, Ahvaz, Iran, Apr. 2008.

[27] Z. Sajadi, S. Ayat, “Information Technology Applications in e-Tourism", First Intl. e-City Conference, Iran, Feb. 2008.

[26] S. Ayat, “An Improved Speech Signal Noise Reduction by using a New Thresholding Algorithm", Fourteenth Conference on Communications 2008 (NCC 2008), India, Feb. 2008.

[25] S. Ayat, “An Introduction to Time-Frequency Transforms”, Esfahan PNU Research Proceeding, Esfahan, Iran, Dec. 2007.

[24] Z. Sajadi, S. Ayat, “e-Tourism from e-Commerce View and Some Methods for its Development in Iran”, Fourth Iranian e-Commerce Conference, Tehran, Iran, Nov 2007.

[23] S. Ayat, “Speech Enhancement by Adaptive Wavelet Thresholding and Using Estimates of Clean Speech Energy”, Submitted for ISI Elsevier Intl. Journal (to appear).

[22] S. Ayat, "Wavelet Transform and its Applications in Signal Processing," 38^th Annual Iranian Mathematics Conference, Zanjan, Iran, Sept. 2007.

[21] S. Ayat, "Acoustic Signal Representation Using Harmonic Model Analysis," Second PNU Physics Conference, Uromiye, Iran, Aug. 2007.

[20] S. Ayat, “Abu Saeed Al-Sijzi, The Inventor of the Zoraghi Astrolabe Based on the Earth Movement”, The Conference for Iranian Famous Scientists in the History of Sistan & Baluchestan, Zahedan, Iran, May 2007.

[19] S. Ayat, N. Ayat, "A Smooth MSE Estimate of Signal Subspace using the Signal Observed in White Noise," First PNU Mathematics Conference, Kish, Iran, May 2007.

[18] S. Ayat, "Universal Threshold Estimation of Noise Subspace Using First and Second Order Statistics," Second PNU Statistics Conference, Isfahan, Iran, Feb. 2007.

[17] S. Ayat, M. Manzuri, R. Dianat, "An Improved Wavelet-Based Speech Enhancement by Using Speech Signal features," Computers & Electrical Engineering(Elsevier Intl. Journal), Volume 32, Issue 6, pp. 411-425, Nov. 2006.

[16] S. Ayat, M. Manzuri, R. Dianat, "A Speech Enhancement Method by Combination of Spectral Subtraction and Wavelet Transform," The 11th Intl. Annual Computer Society of Iran Computer Conference (CSICC 2006), Tehran, Iran, Jan. 2006.

[15] S. Ayat, M. Manzuri, R. Dianat, J. Kabudian, "An Improved Spectral Subtraction Speech Enhancement System by Using an Adaptive Spectral Estimator," IEEE Canadian Conference on Electrical and Computer Engineering, Canada, May 2005.

[14] S. Ayat, R. Dianat, M. Manzuri, "Wavelet Based Speech Enhancement Using a New Thresholding Algorithm," IEEE Intl. Symposium on Intelligent Multimedia, Video & Speech Processing (ISIMP 2004), Hong Kong, Oct. 2004.

[13] A. Golmohammadi, S. Ayat, M. Manzuri, "A New Pipeline Implementation of an Adaptive IIR Filter for Noise Reduction Application," IEEE Intl. Symposium on Communications and Information Technologies (ISCIT 2004), Japan, Oct. 2004.

[12] S. Ayat, J. Kabudian, M. Manzuri, R. Dianat, "A New Method for SNR Estimation in Noisy Speech Signals Based on Silence Detection and Spectral Subtraction," Intl. Conf. on Telecomputing and Information Technology (ICTIT 2004), Jordan, Sept. 2004.

[11] S. Ayat, R. Dianat, M. Manzuri, "A Wavelet Based Speech Enhancement System," Accepted for the Algorithmic Mathematic and Computer Science (AMCS 2004), USA, June 2004.

[10] S. S. Ayat, H. Sameti, M. Manzuri, "A Review on Adaptive Filters and Their Applications in Speech Enhancement," Submitted for the CSI Journal on Computer Science & Engineering, Iran, (to appear).

[9] S. S. Ayat, R. Dianat, M. Manzuri, "An Improved WaveShrink Speech Enhancement System," Proc. of the 12^th Intl. Iranian Conference on Electrical Engineering (ICEE 2004), Mashhad, Iran, May 2004.

[8] S. S. Ayat, R. Dianat, M. Manzuri, "An Improved Wavelet Based Speech Enhancement Method Using a New shrink Function and Separating Silence Frames," Proc. of the 9th Intl. Annual Computer Society of Iran Computer Conference (CSICC 2004), Tehran, Iran, Feb. 2004.

[7] S. S. Ayat, R. Dianat, M. Manzuri, "Speech Enhancement by Wavelet," Proc. of the First Intl Conf. on Information and knowledge Technology (IKT2003), Tehran, Iran, 2003-2004.

[6] S. S. Ayat, J. Kabudian, M. Homayounpour, M. Manzuri, "A New Method for Reducing Musical Noise in Spectral Subtraction Speech Enhancement," Proc. of the First Intl Conf. on Information and knowledge Technology (IKT2003), Tehran, Iran, 2003-3004.

[5] S. S. Ayat, M. Homayounpour, "Harmonic Plus Noise Model for Farsi Speech Synthesis," Proc. of the 7th Intl. Annual Computer Society of Iran conference (CSICC 2002), Tehran, Iran, Feb. 2002.

[4] S. S. Ayat. "Speech Synthesis Methods," Proc. Of the 3th CSI Student Conference on Computer Science and Engineering, Tehran, Iran, 2001.

-Thesis

[3] S. S. Ayat, “Speech Enhancement by Wavelet and Combinational Methods” PhD Thesis, Advisor: Dr. Manzuri-Shalmani, M.T., Sharif University of Technology, 2006.

[2] S. S. Ayat, "Design and Implementation of a High Quality Farsi (Persian) Speech Synthesizer" MSCE Thesis, Advisor: Dr. M. Homayounpour, Amirkabir University, Jan. 2001.

[1] S. S. Ayat, "Design and Implementation of an Automation System," BSCE Thesis, Advisor: Dr. S. G. Miremadi, Sharif University of Technology, 1998.

Related Links

Payame Noor University

Najafabad Payame Noor University

Iranian Speech Processing Researchers

Sharif University of Technology

Computer Engineering Department of Sharif University

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