Publications

I. Patents
II. Journals
III. Conferences
IV. Dissertations

I. Patents

  • Y. Suzuki, S. Sakamoto, J. Treviño, C. D. Salvador, and T. Kudo, “Method, program, and device for stereophonic sound reproduction,” J-PlatPat, Japanese Patent Number JP.6556682.B2, Aug. 2019.
    [Available at J-PlatPat] [Japanese patent in PDF]

    II. Journals

  • A. Urviola, S. Sakamoto, and C. D. Salvador, “Ear centering for accurate synthesis of near-field head-related transfer functions,” Appl. Sci., vol. 12, no. 16, 2022.
    [DOI: 10.3390/app12168290] [Paper in PDF]
  • J. Shi, C. D. Salvador, J. Treviño, S. Sakamoto, and Y. Suzuki, “Spherical harmonic representation of rectangular domain sound fields,” Acoust. Sci. Technol., vol. 41, no. 1, pp. 451–453, Jan. 2020.
    [DOI: 10.1250/ast.41.451] [Paper in PDF]
  • S. Hu, J. Treviño, C. D. Salvador, S. Sakamoto, and Y. Suzuki, “Modeling head-related transfer functions with spherical wavelets,” Appl. Acoust., vol. 146, pp. 81–88, Mar. 2019.
    [DOI: 10.1016/j.apacoust.2018.10.026] [Paper in PDF]
  • C. D. Salvador, S. Sakamoto, J. Treviño, and Y. Suzuki, “Boundary matching filters for spherical microphone and loudspeaker arrays,” IEEE/ACM Trans. Audio, Speech, Language Process., vol. 26, no. 3, pp. 461–474, Mar. 2018.
    [DOI: 10.1109/TASLP.2017.2778562] [Paper in PDF]
  • C. D. Salvador, S. Sakamoto, J. Treviño, and Y. Suzuki, “Enhancement of spatial sound recordings by adding virtual microphones to spherical microphone arrays,” J. Inf. Hiding and Multimedia. Signal Process., vol. 8, no. 6, pp. 1392–1404, Nov. 2017.
    [Paper in PDF]
  • C. D. Salvador, S. Sakamoto, J. Treviño, and Y. Suzuki, “Design theory for binaural synthesis: Combining microphone array recordings and head-related transfer function datasets,” Acoust. Sci. Technol., vol. 38, no. 2, pp. 51–62, Mar. 2017.
    [DOI: 10.1250/ast.38.51] [Paper in PDF] [DOI of Japanese version: 10.20697/jasj.73.3_189] [Paper in Japanese in PDF]
  • C. D. Salvador, S. Sakamoto, J. Treviño, and Y. Suzuki, “Spatial accuracy of binaural synthesis from rigid spherical microphone array recordings,” Acoust. Sci. Technol., vol. 38, no. 1, pp. 23–30, Jan. 2017.
    [DOI: 10.1250/ast.38.23] [Paper in PDF]
  • C. D. Salvador, S. Sakamoto, J. Treviño, and Y. Suzuki, “Distance-varying filters to synthesize head-related transfer functions in the horizontal plane from circular boundary values,” Acoust. Sci. Technol., vol. 38, no. 1, pp. 1–13, Jan. 2017.
    [DOI: 10.1250/ast.38.1] [Paper in PDF]
  • S. Hu, J. Treviño, C. D. Salvador, S. Sakamoto, J. Li, and Y. Suzuki, “A local representation of the head-related transfer function,” J. Acoust. Soc. Am., vol. 140, no. 3, pp. EL285-EL290, Sep. 2016.
    [DOI: 10.1121/1.4962805] [Paper in PDF]

    III. Conferences

  • C. D. Salvador, A. Urviola and S. Sakamoto, “Ear centering in the spatial and transform domains for near-field head-related transfer functions,” 24th International Congress on Acoustics (ICA 2022), Gyeongju, South Korea, Oct. 2022.
    [Paper in PDF] [Presentation in PDF]
  • A. Campos, S. Sakamoto, and C. D. Salvador, “Directional early-to-late energy ratios to quantify clarity: A case study in a large auditorium,” International Conference on Immersive and 3D Audio (I3DA), Bologna, Italy, Sep. 2021.
    [DOI: 10.1109/I3DA48870.2021.9610935] [Presentation in YouTube] [Paper in PDF]
  • A. Urviola, S. Sakamoto, and C. D. Salvador, “Ear centering for near-distance head-related transfer functions,” International Conference on Immersive and 3D Audio (I3DA), Bologna, Italy, Sep. 2021.
    [DOI: 10.1109/I3DA48870.2021.9610891] [Presentation in YouTube] [Paper in PDF]
  • J. Alarcón, J. Solis, and C. D. Salvador, “Regularized spherical Fourier transform for room impulse response interpolation,” XXVII International Conference on Electronics, Electrical Engineering, and Computing (INTERCON), Lima, Peru, Aug. 2021.
    [DOI: 10.1109/INTERCON52678.2021.9532805] [Paper in PDF] [Spherical acoustic Colab notebook by J. Alarcón at GitHub]
  • C. D. Salvador, R. Teraoka, and S. Sakamoto, “Auditory brain models for the localization and identification of sound,” 7th Int. Symp. Brainware LSI, Sendai, Japan, Mar. 2021.
    [http://www.ngc.riec.tohoku.ac.jp/BLPSymp2021/] [Presentation in PDF]
  • C. Peng, Y. Shi, B. Yan, L. Wu, Z. Chen, C. D. Salvador and D. Liu, “Power-based thermal limits for micro-speaker protection algorithms,” in 148th Audio Eng. Soc. Convention, Vienna, Austria, June 2020.
    [Permalink: http://www.aes.org/e-lib/browse.cfm?elib=20832] [Paper in PDF]
  • S. Sakamoto, F. Monasterolo, C. D. Salvador, Z. Cui, and Y. Suzuki, “Effects of target speech distance on auditory spatial attention in noisy environments,” Proc. ICA 2019 and EAA Euroregio, pp. 2177-2181, Aachen, Germany, Sept. 2019.
    [http://pub.dega-akustik.de/ICA2019/data/] [Paper in PDF]
  • S. Sakamoto, C. D. Salvador, J. Treviño, and Y. Suzuki, “Binaural synthesis using a spherical microphone array based on the solution to an inverse problem,” Proc. Inter-Noise, pp. 735-738, Madrid, Spain, June 2019.
    [Available at Ingenta Connect] [Paper in PDF]
  • F. Monasterolo, S. Sakamoto, C. D. Salvador, Z. Cui, and Y. Suzuki, “The effect of target speech distance on spatial auditory attention under multi-talker environment,” Proc. Spring Meeting Acoust. Soc. Jpn., pp. 735-738, Tokyo, Japan, Mar. 2019.
    [http://www.asj.gr.jp/annualmeeting/asj2019springCFP_J.html] [Paper in PDF]
  • C. D. Salvador, R. Teraoka, Y.-W. Liu, M. Sato, A. Kral, and S. Sakamoto, “Computational models of the auditory brain,” 6th Int. Symp. Brainware LSI, Sendai, Japan, Mar. 2019.
    [http://www.ngc.riec.tohoku.ac.jp/BLPSymp2019] [Paper in PDF]
  • F. Monasterolo, S. Sakamoto, C. D. Salvador, Z. Cui, and Y. Suzuki, “The effect of target speech distance on reaction time under multi-talker environment,” IEICE Tech. Rep., vol. 118, no. 313, pp. 83–88, Nov. 2018.
    [https://www.ieice.org/ken/index/ieice-techrep-118-312-e.html] [Paper in PDF]
  • J. Shi, C. D. Salvador, J. Treviño, S. Sakamoto, and Y. Suzuki, “Spherical harmonic representation of rectangular domain sound fields,” Int. Symp. Universal Acoustical Communication, Sendai, Japan, Oct. 2018.
    [http://www.tfc.tohoku.ac.jp/event/4212.html] [ARD-simulator by J. Shi at GitHub]
  • C. D. Salvador, S. Sakamoto, J. Treviño, and Y. Suzuki, “Enhancing binaural reconstruction from rigid circular microphone array recordings by using virtual microphones,” Proc. Audio Eng. Soc. Int. Conf. Audio for Virtual and Augmented Reality, Redmond, WA, USA, August 2018.
    [Permalink: http://www.aes.org/e-lib/browse.cfm?elib=19669] [Paper in PDF]
  • C. D. Salvador, S. Sakamoto, J. Treviño, and Y. Suzuki, “Dataset of near-distance head-related transfer functions calculated using the boundary element method,” Proc. Audio Eng. Soc. Int. Conf. Spatial Reproduction —Aesthetics and Science—, Tokyo, Japan, Aug. 2018.
    [Permalink: http://www.aes.org/e-lib/browse.cfm?elib=19602] [Paper in PDF] [Dataset available at https://cesardsalvador.github.io/download.html]
  • C. D. Salvador, S. Sakamoto, J. Treviño, and Y. Suzuki, “Enhancing the binaural synthesis from spherical microphone array recordings by using virtual microphones,” IEICE Tech. Rep., vol. 117, no. 328, pp. 61–66, Auckland, New Zealand, Nov. 2017.
    [https://www.ieice.org/ken/paper/201711307bYy/eng/] [Paper in PDF]
  • S. Sakamoto, C. D. Salvador, J. Treviño, and Y. Suzuki, “Binaural rendering of spherical microphone array recordings by directly synthesizing the HRTF spatial pattern,” Proc. the 24th International Congress on Sound and Vibration (ICSV24), July 2017.
    [Paper in PDF]
  • H. Sato, W. Arif, S. Shuichi, C. D. Salvador, J. Treviño, Y. Suzuki, and A. Ito, “A compression method for spherical microphone array recordings using principal component analysis,” Proc. RISP Int. Workshop on Nonlinear Circuits, Comm. and Signal Process., Guam, US, 2017.
    [Paper in PDF]
  • C. D. Salvador, S. Sakamoto, J. Treviño, and Y. Suzuki, “Validity of distance-varying filters for individual HRTFs on the horizontal plane,” Proc. Spring Meeting Acoust. Soc. Jpn., Kawasaki, Japan, 2017.
    [Paper in PDF]
  • C. D. Salvador, S. Sakamoto, J. Treviño, and Y. Suzuki, “A model for spatial sound systems comprising sound field recording, spatial editing, and binaural reproduction,” IEICE Tech. Rep., vol. 116, no. 449, pp. 61–65, Jan. 2017.
    [https://www.ieice.org/ken/index/ieice-techrep-116-449.html] [Paper in PDF]
  • C. D. Salvador, S. Sakamoto, J. Treviño, and Y. Suzuki, “Sound field interpolation in the spatial domain with a rigid spherical microphone array,” 5th Joint Meeting of the Acoust. Soc. Am. and Acoust. Soc. Jpn., Hawaii, US, Dec. 2016.
    [DOI: 10.1121/1.4969175]
  • J. Treviño, C. D. Salvador, V. Braciulis, S. Sakamoto, Y. Suzuki, K. Yoshikawa, T. Yamasaki, and K. Kidokoro, “Sound source separation in complex environments using an array-of-arrays microphone system,” Proc. 22nd Int. Cong. Acoust., Buenos Aires, Argentine, 2016.
    [Available at: http://www.ica2016.org.ar/ica2016proceedings/ica2016/ICA2016-0415.pdf]
  • C. D. Salvador, S. Sakamoto, J. Treviño, and Y. Suzuki, “Evaluation of white noise gain in a binaural system for microphone arrays,” Proc. Autumn Meeting Acoust. Soc. Jpn., pp. 401–404, Toyama, Japan, 2016.
    [Paper in PDF]
  • C. D. Salvador, S. Sakamoto, J. Treviño, and Y. Suzuki, “Numerical evaluation of binaural synthesis from rigid spherical microphone array recordings,” Proc. Audio Eng. Soc. Int. Conf. Headphone Technology, Aalborg, Denmark, 2016.
    [Permalink: http://www.aes.org/e-lib/browse.cfm?elib=18361] [Paper in PDF]
  • H. Sato, A. Wicaksono, S. Sakamoto, C. D. Salvador, J. Treviño, and Y. Suzuki, “Compression of spherical microphone array recordings using eigenvalue decomposition,” Proc. RISP Int. Workshop on Nonlinear Circuits, Comm. and Signal Process., March 2016.
    [Paper in PDF]
  • C. D. Salvador, S. Sakamoto, J. Treviño, and Y. Suzuki, “A new signal processing procedure for stable distance manipulation of circular HRTFs on the horizontal plane,” Proc. Spring Meeting Acoust. Soc. Jpn., pp. 561–564, Yokohama, Japan, 2016.
    [Paper in PDF]
  • J. Treviño, S. Hu, C. D. Salvador, S. Sakamoto, J. Li, and Y. O. Suzuki, “A compact representation of the head-related transfer function inspired by the wavelet transform on the sphere,” Proc. Int. Conf. Intell. Inf. Hiding and Multimedia Signal Process., pp. 372–375, 2015.
    [DOI: 10.1109/IIH-MSP.2015.108] [Paper in PDF]
  • S. Sakamoto, A. Wicaksono, J. Treviño, C. D. Salvador, and Y. Suzuki, “Prediction method for compression of spherical microphone array signals using geometric information,” Proc. Int. Conf. Intell. Inf. Hiding and Multimedia Signal Process., pp. 376–379, 2015.
    [DOI: 10.1109/IIH-MSP.2015.91] [Paper in PDF]
  • C. D. Salvador, S. Sakamoto, J. Treviño, and Y. Suzuki, “Embedding distance information in binaural renderings of far field recordings,” Proc. EAA Joint Symp. Auralization and Ambisonics, pp. 133–139, Berlin, Germany, 2014.
    [DOI: 10.14279/depositonce-22] [Paper in PDF]
  • C. D. Salvador, S. Sakamoto, J. Trevino, and Y. Suzuki, “Editing distance information in compact microphone array recordings for its binaural rendering,” IEICE Tech. Rep., vol. 114, no. 3, pp. 13–18, 2014.
    [Paper in PDF]
  • C. D. Salvador, S. Sakamoto, J. Treviño, J. Li, Y. Yan, and Y. Suzuki, “Accuracy of head-related transfer functions synthesized with spherical microphone arrays,” Proc. Mtgs. Acoust., vol. 19, no. 1, Apr. 2013.
    [DOI: 10.1121/1.4800833] [Paper in PDF]
  • C. D. Salvador, S. Sakamoto, J. Treviño, J. Li, Y. Yan, and Y. Suzuki, “A method to synthesize head-related transfer functions based on the spherical harmonic decomposition,” Proc. Spring Meeting Acoust. Soc. Jpn., pp. 889–892, Tokyo, Japan, 2013.
  • J. Treviño, T. Okamoto, C. D. Salvador, Y. Iwaya, Z. Cui, S. Sakamoto, and Y. Suzuki, “High-order ambisonics auditory displays for the scalable presentation of immersive 3D audio-visual contents,” Proc. 23rd Int. Conf. Artificial Reality and Telexistence, Tokyo, Japan, 2013.
    [http://www.ic-at.org/] [Paper in PDF]
  • C. D. Salvador, “Discrete driving functions for horizontal reproduction using wave field synthesis and higher order ambisonics,” Proc. 129th Audio Eng. Soc. Convention, San Francisco, CA, USA, 2010.
    [Permalink: http://www.aes.org/e-lib/browse.cfm?elib=15666] [Paper in PDF]
  • C. D. Salvador, “Wave field synthesis using fractional order systems and fractional delays,” Proc. 128th Audio Eng. Soc. Convention, London, UK, 2010.
    [Permalink: http://www.aes.org/e-lib/browse.cfm?elib=15419] [Paper in PDF]
  • C. D. Salvador, “A virtual acoustic environment as auditory display front-end for sonification,” Proc. Interactive Sonification Workshop on Human Interaction with Auditory Displays, pp. 69–72, Stockholm, Sweeden, 2010.
    [PUB ID: https://pub.uni-bielefeld.de/publication/2277223] [Paper in PDF]
  • C. D. Salvador, “A discretization of the wave field synthesis method for auralization of natural sounds,” Proc. Int. Multi-Conf. Complexity, Informatics and Cybernetics, Orlando, FL, USA, 2010.
    [Permalink: http://www.iiis.org/CDs2010/CD2010IMC/IMCIC_2010/index.asp?id=0&area=5] [Paper in PDF]
  • C. D. Salvador, “A channel vocoder using wavelet packets on a reconfigurable device,” Proc. 124th Audio Eng. Soc. Convention, Amsterdam, The Netherlands, 2008.
    [Permalink: http://www.aes.org/e-lib/browse.cfm?elib=14546] [Paper in PDF]
  • C. D. Salvador, “Operadores integrales y sus aplicaciones al procesamiento digital de señales,” Proc. XXIV Coloquio de la Sociedad Matemática Peruana, Ica, Peru, 2006.
    [Paper in PDF]

    IV. Dissertations

  • C. D. Salvador, Binaural Synthesis Based on Spherical Acoustics, Doctoral Dissertation, Graduate School of Information Sciences, Tohoku University, July 2016.
    [Permalink: http://hdl.handle.net/10097/00121125] [Dissertation in PDF]
  • C. D. Salvador, Binaural Synthesis Based on the Spherical Harmonic Analysis with Compact Microphone Arrays, Master Thesis, Graduate School of Information Sciences, Tohoku University, Sept. 2013.
    [Permalink: http://hdl.handle.net/10097/56638] [Thesis in PDF]