--Publications--
Journal Papers
  1. A. Kawamura and A. Uchida, "Extraction of Sound Sources in Specified Area Using Binaural Microphones", IEEJ Transactions on Electronics, Information and Systems, vol.144, no.3, pp.267-275, March 2024.
  2. S. Ikesugi and A. Kawamura, "Binary Image Embedding and Restoration in Speech Signal", IEEJ Trans. on Electronics, Information and Systems, vol.144, no.2, Feb. 2024.
  3. Y. Hosoda, A. Kawamura, and Y. Iiguni, "Complex-Domain Pitch Estimation Algorithm for Narrowband Speech Signals", IEEE/ACM Transactions on Audio, Speech, and Language Processing, vol.31, pp.2067-2078, May 2023.
  4. Y. Hosoda, A. Kawamura, and Y. Iiguni, "Artificial Bandwidth Extension for Lower Bandwidth Using Sinusoidal Synthesis based on First Formant Location", IEICE Trans. Fundamentals, vol.E105-A, no.4, April 2022.
  5. Y. Hosoda, A. Kawamura, and Y. Iiguni, "Bandwidth Extension Using Data Hiding Based on Discrete Hartley Transform Domain", Circuits Syst Signal Process (CSSP), vol.40, no.12, Dec. 2021.
  6. Eiji SAITO and Arata KAWAMURA, "Real-time binaural target speech extraction using phase unwrapping", IEEJ Trans. on Electronics, Information and Systems, vol.141, no.10, pp.1077-1086, Oct. 2021.
  7. Kazuhiro MURAKAMI, Arata KAWAMURA, Yoh-ichi FUJISAKA, Nobuhiko HIRUMA, and Youji IIGUNI, "Real-time distant sound source suppression using spectral phase difference", IEICE Trans. Fundamentals, vol.E104-A, no.3, pp.603-612, Mar. 2021.
  8. Naoto Sasaoka, Eiji Akamatsu, Arata Kawamura, Noboru Hayasaka, and Yoshio Itoh, "4th order moment-based linear prediction for estimating ringing sound of impulsive noise in speech enhancement", IEICE Trans. Fundamentals, vol.E103-A, no.10, pp.1248-1251, Oct. 2020.
  9. Yuya Hosoda, Arata Kawamura, and Youji Iiguni, "An efficient image to sound mapping method preserving speech spectral envelope", IEICE Trans. Fundamentals, vol.E103-A, no.3, pp.629-630, March 2020.
  10. Arata Kawamura and Kohei Fujikura, "Impact Noise Suppression Using Speech Spectral Phase Estimator", IEEJ Trans. on Electronics, Information and Systems, vol.138, no.11, pp.1410-1416, Nov. 2018.
  11. A. Kawamura, T. Yamashita, and Y. Iiguni, "Beat Noise Suppression Using Adaptive Line Enhancers for FM radio in Motor Vehicles", IEEJ Trans. on Electronics, Information and Systems, vol.138, no.5, pp.593-602, May 2018.
  12. A. Kawamura, M. Wada, and Y. Iiguni, "Timbre evaluation system based on beauty-factor for whistle performance", IEEJ Trans. on Electronics, Information and Systems, vol.138, no.4, pp.423-434, April 2018 (Japanese).
  13. N. Hayasaka, A. Kawamura, and N. Sasaoka, "Noise-robust scream detection using band-limited spectral entropy" Elsevier Int. J. Electron. Commun., vol.76, pp.117-124, April 2017.
  14. A. Kawamura, H. Igarashi, and Y. Iiguni, "An efficient image to sound mapping method using speech spectral phase and multi-column image", IEICE Trans. Fundamentals, vol.E100-A, no.3, pp.893-895, March 2017.
  15. A. KawamuraC"On Sound Signal Processing in Image to Sound Mapping Technique", Elsevier Applied Acoustics, vol.117, no.A, pp.1-11, Feb. 2017.
  16. H. Igarashi, A. Kawamura, and Y. Iiguni, "Image to Speech Transformation Using Long Term Phase Spectrum", IEICE Trans. Fundamentals, vol.J99-A, no.8, pp.270-279, Aug. 2016 (Japanese).
  17. Y. Honda, A. Kawamura, and Y. Iiguni, "Car Noise Suppression Using Adaptive Noise Canceller with Speech Suppressors", IEEJ Trans. on Electronics, Information and Systems, vol.136, no.8, pp.1218-1229, Aug. 2016 (Japanese).
  18. A. Kawamura, N. Hayasama, and N. Sasaoka, "Impact and High-Pitch Noise Suppression Based on Spectral Entropy", IEICE Trans. Fundamentals, vol.E99-A, no.4, pp.777-787, April 2016.
  19. A. Matsuda, A. Kawamura, and Y. Iiguni, "Low-Computational Two-Channel Blind Source Separation Using Single-Voice Activity Segment for Unknown Number of Sources", The Journal of Acoustical Society of Japan, vol.72, no.3, pp.115-122, March 2016.(Japanese)
  20. Y. Nakamura, A. Kawamura, and Y. Iiguni, "An Adaptive Notch Gain Using an Inverse Notch Filter and a Linear Prediction Filter", IEEJ Trans. on Electronics, Information and Systems, vol.136, no.2, pp.108-115, March 2016.(Japanese)
  21. K. Nakatani, T. Fujimoto, A. Kawamura, and Y. Iiguni, "Active Noise Control with Speech Enhancement Using Inverse Notch Filter", IEEJ Trans. on Electronics, Information and Systems, vol.135, no.2, pp.244-253, Feb. 2015.(Japanese)
  22. S. Kohmura, A. Kawamura, and Y. Iiguni, "A Zero Phase Noise Reduction Method with Damped Oscillation Estimator", IEICE Trans. Fundamentals, vol.E97-A, no.10, pp.2033-2042, Oct. 2014.
  23. Y. Sugiura, A. Kawamura, and Y. Iiguni, "A Comb Filter with Adaptive Notch Gain and Bandwidth", IEICE Trans. Fundamentals, vol.E96-A, no.4, pp.790-795, April 2013.
  24. A. Kawamura, E. Nada, and Y. Iiguni, "Single Channel Blind Source Separation of Deterministic Sinusoidal Signals with Independent Component Analysis", IEICE Communications Express, vol.2, no.3, pp.104-110, March 2013.
  25. A. Sogami, Y. Sugiura, A. Kawamura, and Y. Iiguni, "An Adaptive Howling Canceller Using 2-Tap Linear Predictor", SciRes. CS, vol.4, no.1, pp.9-13, Jan. 2013.
  26. Y. Sugiura, A. Kawamura, and Y. Iiguni, "Performance Analysis of an Inverse Notch Filter and Its Application to F0 Estimation", SciRes. CS, vol.4, no.1, pp.117-122, Jan. 2013.
  27. Y. Sugiura, A. Kawamura, and Y. Iiguni, "An Adaptive Comb Filter with Flexible Notch Gain", IEICE Trans. Fundamentals, vol.E95-A, no.11, pp.2046-2048, Nov. 2012.
  28. Y. Satomi, A. Kawamura, and Y. Iiguni, "Convergence Vectors in System Identification with an NLMS Algorithm for Sinusoidal Inputs", IEICE Trans. Fundamentals, vol.E95-A, no.10, pp.1692-1699, Oct. 2012.
  29. Y. Sugiura, A. Kawamura, and Y. Iiguni, "A Comb Filter Design Method Using Linear Phase FIR Filter", IEICE Trans. Fundamentals, vol.E95-A, no.8, pp.1310-1316, Aug. 2012.
  30. A. Kawamura, W. Thanhikam, and Y. Iiguni, "Single Channel Speech Enhancement Techniques in Spectral Domain", ISRN Mechanical Engineering, vol.2012, Article ID 919234, July 2012.
  31. Y. Wakabayashi, Y. Satomi, A. Kawamura, and Y. Iiguni, "Convergence Vector of Normalized Least-Mean-Square Algorithm for Predicting Deterministic Sinusoidal Signals", Acoust. Sci. & Tech., vol.33, no.4, pp.270--272, July 2012.
  32. W. Thanhikam, Y. Kamamori, A. Kawamura, and Y. Iiguni, "Stationary and Non-Stationary Wide-Band Noise Reduction Using Zero Phase Signal", IEICE Trans. Fundamentals, vol.E95-A, no.5, pp.843--852, May 2012.
  33. W. Thanhikam, A. Kawamura, and Y. Iiguni, "Speech Enhancement Based on Real-Speech PDF in Various Narrow SNR Intervals", IEICE Trans. Fundamentals, vol.E95-A, no.3, pp.623--630, Mar. 2012.
  34. A. Soagami, A. Kawamura, and Y. Iiguni, "A High Speech Quality Distance-Based Howling Canceller with Adaptive Cascade Notch Filter and Silent Pilot Signal", IEICE Trans. Fundamentals, vol.E94-A, no.11, pp.2306--2314, Nov. 2011.
  35. Y. Sugiura, A. KawamuraCand Y. Iiguni, "Design of an IIR Comb Filter with Variable Bandwidths", IEICE Trans. Fundamentals,vol.J94-A, no.1, pp.41-43, Jan. 2011. (Japanese)
  36. Y. Kamamori, A. Kawamura, and Y. Iiguni, "Zero Phase Signal Analysis and Its Application to Noise Reduction", IEICE Trans. Fundamentals,vol.J93-A, no.10, pp.658--666, Oct. 2010. (Japanese)
  37. A. Sogami, A. Kawamura, and Y. Iiguni, "Improvement of Speech Quality in Distance-Based Howling Canceller", IEICE Trans. Fundamentals,vol.E92-A, no.4, pp.1039--1046, April 2009.
  38. A. Kawamura and T. Katahama, "A Speech Enhancement Using Lattice Filter with Correlation Control Algorithm", IEICE Trans. Fundamentals, Vol.J92-A, No.2, pp.84-93, Feb. 2009. (Japanese)
  39. A. Sogami, A. Kawamura, and Y. Iiguni, ``An Adaptive Howling Canceller Based on Distance Measurement,'' IEICE Trans. Fundamentals, Vol.J91-A, No.10, pp.939-948, Oct. 2008. (Japanese)
  40. Y. Tsukamoto, A. Kawamura, and Y. Iiguni, ``Speech Enhancement Based on MAP Estimation Using a Variable Speech Distribution,'' IEICE Trans. Fundamentals, Vol.E90-A, No.8, pp.1587-1593, Aug. 2007.
  41. A. Kawamura, Y. Iiguni, and Y. Itoh, ``An Adaptive Algorithm with Variable Step-Size for Parallel Notch Filter,'' IEICE Trans. Fundamentals, Vol.E89-A, No.2, pp.511-519, Feb. 2006.
  42. N. Sasaoka, K. Sumi, Y. Itoh, K. Fujii, and A.Kawamura, ``A Noise Reduction System for Wideband and Sinusoidal Noise Based on Adaptive Line Enhancer and Inverse Filter,'' IEICE Trans. Fundamentals, Vol.E89-A, No.2, pp.503-510, Feb. 2006.
  43. A. Kawamura, Y. Iiguni, and Y. Itoh, ``A Noise Reduction Method Based on Linear Prediction with Variable Step-Size,'' IEICE Trans. Fundamentals, Vol.E88-A, No.4, pp.855-861, April 2005.
  44. A. Kawamura, Y. Itoh, J. Okello, M. Kobayashi, and Y. Fukui, ``Parallel Composition Based Adaptive Notch Filter: Performance and Analysis,'' IEICE Trans. Fundamentals, Vol.E87-A, No.7, pp.1747-1755, July 2004.
  45. A. Kawamura, K. Fujii, Y. Itoh, and Y. Fukui, ``A New Noise Reduction Method Using Estimated Noise Spectrum,'' IEICE Trans. Fundamentals, Vol.E85-A, No.4, pp.784-789, April 2002.
  46. A. Kawamura, K. Fujii, Y. Itoh, and Y. Fukui, ``A Noise Reduction Method Based on Linear Prediction Analysis,'' IEICE Trans. Fundamentals, Vol.J85-A, No.4, pp.415-423, April 2002. (Japanese)
International Conference
  1. Yuya HOSODA, Arata KAWAMURA, and Youji IIGUNI, "Pitch Estimation Algorithm for Narrowband Speech Signal using Phase Differences between Harmonics", Proc. of APSIPA ASC 2021, pp.920-925, Dec. 2021.
  2. Yoshimichi HONDA and Arata KAWAMURA, "Winding System for Fishing Simulator with Real Rod", Proc. of ISCIT 2021, pp.61-66, Oct. 2021.
  3. Yuya HOSODA, Arata KAWAMURA, and Youji IIGUNI, "Phase Reconstruction for Artificial Bandwidth Extension toward Musical Instrument Sound Signal", Proc. of EUSIPCO 2021, pp.71-75, Aug. 2021.
  4. Eiji Saito and Arata Kawamura, "Real-time target source extraction using spectral phase difference and its variance", Proc. of SISA2020, pp.125-128, Dec. 2020.
  5. Aki Ishibashi and Arata Kawamura, "Zero-phase impulsive noise suppression with iterative phase reconstruction", Proc. of ISPACS2019, paperID O18-3-157, Dec. 2019.
  6. Eiji Saito and Arata Kawamura, "Target speech signal extraction using variance of phase difference", Proc. of ISPACS2019, paperID O18-4-143, Dec. 2019.
  7. Kazuma Takiguchi, Arata Kawamura, Youji Iiguni, "Distant sound source suppression based on multichannel nonnegative matrix factorization with bases distance maximization penalty", Proc. of ISPACS2019, paperID O16-3-49, Dec. 2019.
  8. Kouki Furuya, Arata Kawamura, Youji Iiguni, "Alveolar fricative consonants detection with easily interpretable feature for speech training", Proc. of ISPACS2019, paperID O16-4-50, Dec. 2019.
  9. Kosuke Hasada, Arata Kawamura, Youji Iiguni, "Adaptive line enhancer-based beat noise suppression for FM radio in motor vehicle", Proc. of ISPACS2019, paperID O16-5-52, Dec. 2019.
  10. Wataru NOGUCHI, Arata KAWAMURA, and Youji IIGUNI, "Effective Sound Source Separation Using Single Voice Activity Segments for Binaural Sound", Proc. of APSIPA Annual Summit and Conference 2018, pp.279-284, Nov. 2018.
  11. Kazuhiro Murakami, Arata Kawamura, Youichi Fujisaka, Nobuhiko Hiruma, and Youji Iiguni, "Distant Sound Suppression Using Spectral Phase Variance for Two Channel Blind Source Separation", Proc. of APSIPA Annual Summit and Conference 2018, pp.272-278, Nov. 2018.
  12. Yuya Hosoda, Arata Kawamura, and Youji Iiguni, "Image-to-sound transformation using inpainting technique", Proc. of NOLTA2018, pp.647-650, Sep. 2018.
  13. R. Takehara, A. Kawamura, and Y. Iiguni, "Impulsive Noise Suppression Using Interpolated Zero Phase Signal", Proc. of APSIPA Annual Summit and Conference 2017, paper ID.FA-04.3 (8 pages), Dec. 2017.
  14. S. Mikami, A. Kawamura, and Y. Iiguni, "Residual Drum Sound Estimation for RPCA Singing Voice Extraction", Proc. of APSIPA Annual Summit and Conference 2017, paper ID.WP-04.3 (5 pages), Dec. 2017.
  15. K. Umeda, A. Kawamura, and Y. Iiguni, "Stationary Noise Reduction Using Speech Existence Probability and Band Extension", Proc. of 2017 International Workshop on Smart Info-Media Systems in Asia (SISA 2017), pp.138-141, Sep. 2017.
  16. T. Uchiyama, A. Kawamura, Y. Fujisaka, N. Hiruma, and Y. Iiguni, "Blind Source Separation with Distance Estimation Based on Variance of Phase Difference", Proc. of 2017 International Workshop on Smart Info-Media Systems in Asia (SISA 2017), pp.148-153, Sep. 2017.
  17. Akira Tanaka and Arata Kawamura, "Iterative Zero Phase Method for White and Impulse Noise Reduction", 22th International Conference on Digital Signal Processing, paper ID.42, Aug. 2017
  18. A. Kawamura, "Image to sound mapping and its processing techniques", 3rd Global Summit and Expo on Multimedia & Artificial Intelligence 2017, July 2017.
  19. K. Fujikura, A. Kawamura, and Y. Iiguni, "Impact Noise Suppression Using Spectral Phase Estimation", Proc. of APSIPA Annual Summit and Conference 2015 (APSIPA ASC 2015), pp. 129-134, Dec. 2015.
  20. K. Kashima, A. Kawamura, M. Sunohara, K. Nishiyama, N. Hiruma, and Y. Iiguni, "Adaptive Feedback Canceller with Howling Detection for Hearing Aids", Proc. of APSIPA Annual Summit and Conference 2015 (APSIPA ASC 2015), pp. 704-710, Dec. 2015.
  21. A. Kawamura, "An Efficient Blind Source Separation Method Using Single Voice Activity Segments", Proc. of 2015 International Workshop on Smart Info-Media Systems in Asia (SISA2015), pp. 78-83, Aug. 2015.
  22. Y. Satomi and A. Kawamura, "An Improved MAP-Based Speech Enhancer for High Sound Quality in Automobile Environment", Proc. of APSIPA ASC 2014, TP1-4, PaperID-1038, Dec. 2014.
  23. A. Kawamura, "A Restricted Impact Noise Suppressor in Zero Phase Domain", Proc. of EUSIPCO 2014, WE-P1, Sep. 2014.
  24. Y. Sugiura, A. Kawamura, and N. Aikawa, "A Comb Filter with Adaptive Notch Bandwidth for Periodic Noise Reduction", Proc. of ICICS 2013, Th21.6-P0223, Dec. 2013.
  25. Y. Satomi and A. Kawamura, "A MAP-based Speech Enhancer Combined with Two-Channel Beamformer in Automobile Environment", Proc. of ISPACS 2013, pp.320-325, Nov. 2013.
  26. S. Kohmura, A. Kawamura, and Y. Iiguni, "An Efficient Zero Phase Noise Reduction Method for Impact Noise With Damped Oscillation", Proc. of ICASSP2013, AASP-P11.10, pp.892-895, May. 2013.
  27. Y. Sugiura, A. Kawamura, and Y. Iiguni, "A Comb Filter with Adaptive Notch Gain for Periodic Noise Reduction", Proc. of APSIPA2012, paper no. 37, Dec. 2012.
  28. S. Kohmura, A. Kawamura, and Y. Iiguni, "An adaptive MAP speech spectral amplitude estimator combined with a zero phase noise suppressor", Proc. of APSIPA2012, paper no. 325, Dec. 2012.
  29. W. Thanhikam, S. Kohmura, A. Kawamura, and Y. Iiguni, "An impulsive noise suppressor based on zero phase signal", Proc. of ITC-CSCC2012, paper no. D-T2-02, July 2012.
  30. W. Thanhikam, A. Kawamura, and Y. Iiguni, "Noise Suppression Based on Replacement of Zero Phase Signal", Proc. of ISPACS2011, PID242, Dec. 2011.
  31. W. Thanhikam, A. Kawamura, and Y. Iiguni, "A Speech Enhancement Method using Adaptive Speech PDF", Proc. of ISPACS2011, PID134, Dec. 2011.
  32. Y. Sugiura, A. Kawamura and Y. Iiguni, "A Comb Filter with Adjustable Frequency Gains", ITC-CSCC 2011, pp.459-462, June 2011.
  33. W. Thanhikam, A. Kawamura and Y. Iiguni, "Speech Enhancement Using Speech Model Parameters Refined by Two-Step Technique", Proc. of the Second APSIPA Annual Summit and Conference, p.11, Dec. 2010.
  34. A. Kawamura, W. Thanhikam, and Y. Iiguni, "A speech spectral estimator using adaptive speech probability densityfunction", Proc. of 18th European Signal Processing Conference (EUSIPCO-2010), pp.1549-1552, Aug. 2010.
  35. A. Sogami, A. Kawamura and Y. Iiguni, "A New Distance Measurement Method for Disutance-Based Howling Canceller", Proc. of the 127th AES Convention, Paper no. 7918, Oct 2009.
  36. A. Kawamura and Y. Iiguni, "A Colored Noise Suppressor Using Lattice Filter with Correlation Controlled Algorithm", Proc. of the 125th Audio Engineering Society (AES) Convention, paper no.7638, Oct. 2008.
  37. A. Sogami , A. Kawamura, and Y. Iiguni, "A Distance-Based Howling Canceller with Adaptive Bandwidth", Proc. of the ITC-CSCC2008, pp.345--348, July 2008.
  38. T. Washi , A. Kawamura, and Y. Iiguni, "Sinusoidal Noise Reduction Method Using Leaky LMS Algorithm", Proc. of 2006 ISPACS2006, pp.303-306, Dec. 2006.
  39. Y. Tsukamoto, A. Kawamura, and Y. Iiguni, "Speech Enhancement Based on MAP Estimation with a Variable Speech Distribution", Proc. of 2006 International Symposium on Inteligent Signal Processing and Communication Systems (ISPACS2006), pp.291-294, Dec. 2006.
  40. A. Kawamura and Y.Iiguni, "A New Noise Variance Estimator for Speech Enhancement Based on MAP Spectral Amplitude Estimation", Proc. of NOLTA2006, pp.703-706, Sept. 2006.
  41. A. Kawamura, Y.Iiguni, and Y.Itoh, ``A Noise Reduction Method Using Linear Predictor with Variable Step-Size,'' Proc. of ISCIT2004, pp.563-566, Oct. 2004.
  42. A. Kawamura, K. Fujii, Y. Itoh, and Y. Fukui, ``Noise Reduction Using Noise Reconstruction Method Based on Linear Prediction and System Identification,'' Proc. of the ISCIT2002, pp.427-430, Oct. 2002.
  43. N. Sasaoka, A. Kawamura, K. Fujii, Y. Itoh, and Y. Fukui, ``A Noise Reduction Method with Linear Prediction Using Periodicity of Voiced Speech,'' Proc. of the ITC-CSCC2002, pp.102-105, July 2002.
  44. A. Kawamura, K. Fujii, Y. Itoh, and Y. Fukui, ``A New Noise Reduction Method Using Linear Prediction Error Filter and Adaptive Digital Filter,'' Proc. of the 2002 IEEE International Symposium on Circuits and Systems (ISCAS), pp.III-488--III-491, May 2002.
  45. A. Kawamura, K. Fujii, Y. Itoh, and Y. Fukui, ``A New Noise Reduction Method Using Linear Predictior and Adaptive Filter,'' Proc. of the 2002 IEEE International Conference on Acoustics Speech and Signal Processing (ICASSP), pp.IV-4166, May 2002.
  46. A. Kawamura, K. Fujii, Y. Itoh, and Y. Fukui, ``A Study on Noise Reduction Method Using Linear Prediction and System Identification,'' 2001 International Symposium on Communications and Information Technology (ISCIT), pp.737-740, Chiang Mai, Thailand, Nov., 2001.
  47. A. Kawamura, K. Fujii, Y. Itoh, and Y. Fukui, ``A New Noise Reduction Method Using Linear Prediction and System Identification,'' International Workshop on Acoustic Echo and Noise Control (IWAENC), pp.159-162, Darmstadt, Germany, Sept. 2001.
  48. A. Kawamura, K. Fujii, Y.Itoh, and Y.Fukui, ``Noise Reduction Method Using Estimated Noise Spectrum,'' Proc. of the 2001 ITC-CSCC, Vol.II, pp.799-802, July 2001.
  49. A. Kawamura, K. Fujii, Y. Itoh, and Y. Fukui, ``A New Noise Reduction Method Based on Linear Prediction,'' ISPACS2000, Vol.I, pp.742-745, Nov. 2000.
  50. A. Kawamura, K. Fujii, Y. Itoh, and Y. Fukui, ``A New Noise Reduction Method Based on Linear Prediction,'' Proc. of Western Pacific Regional Acoustics Conference (WESTPRAC VII)Cvol.1, pp.477-480, Oct. 2000.
  51. A. Kawamura, K.Fujii, Y.Itoh, Y.Fului, ``A New Noise Reduction Method Based on Linear Prediction,'' International Technical Conference On Circuits/Systems, Computers and Communications (ITC-CSCC), vol.1, pp.260-263, July 2000.