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Gordon Wichern

Gordon Wichern
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  • Biography

    Gordon's research interests are at the intersection of signal processing and machine learning applied to speech, music, and environmental sounds. Prior to joining MERL, Gordon worked at iZotope inc. developing audio signal processing software, and at MIT Lincoln Laboratory where he worked in radar target tracking.

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  • Research Highlights

  • MERL Publications

    •  Manilow, E., Wichern, G., Seetharaman, P., Le Roux, J., "Cutting Music Source Separation Some Slakh: A Dataset to Study the Impact of Training Data Quality and Quantity", IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA), DOI: 10.1109/WASPAA.2019.8937170, ISSN: 1947-1629, ISBN: 978-1-7281-1123-0, October 2019, pp. 45-49.
      BibTeX Download PDFAbout TR2019-124
      • @inproceedings{Manilow2019oct,
      • author = {Manilow, Ethan and Wichern, Gordon and Seetharaman, Prem and Le Roux, Jonathan},
      • title = {Cutting Music Source Separation Some Slakh: A Dataset to Study the Impact of Training Data Quality and Quantity},
      • booktitle = {IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA)},
      • year = 2019,
      • pages = {45--49},
      • month = oct,
      • doi = {10.1109/WASPAA.2019.8937170},
      • issn = {1947-1629},
      • isbn = {978-1-7281-1123-0},
      • url = {https://www.merl.com/publications/TR2019-124}
      • }
    •  Wichern, G., McQuinn, E., Antognini, J., Flynn, M., Zhu, R., Crow, D., Manilow, E., Le Roux, J., "WHAM!: Extending Speech Separation to Noisy Environments", Interspeech, DOI: 10.21437/Interspeech.2019-2821, September 2019, pp. 1368-1372.
      BibTeX Download PDFAbout TR2019-099
      • @inproceedings{Wichern2019sep,
      • author = {Wichern, Gordon and McQuinn, Emmett and Antognini, Joe and Flynn, Michael and Zhu, Richard and Crow, Dwight and Manilow, Ethan and Le Roux, Jonathan},
      • title = {WHAM!: Extending Speech Separation to Noisy Environments},
      • booktitle = {Interspeech},
      • year = 2019,
      • pages = {1368--1372},
      • month = sep,
      • doi = {10.21437/Interspeech.2019-2821},
      • url = {https://www.merl.com/publications/TR2019-099}
      • }
    •  Le Roux, J., Wichern, G., Watanabe, S., Sarroff, A., Hershey, J., "The Phasebook: Building Complex Masks via Discrete Representations for Source Separation", IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), DOI: 10.1109/ICASSP.2019.8682587, May 2019.
      BibTeX Download PDFAbout TR2019-008
      • @inproceedings{LeRoux2019may2,
      • author = {Le Roux, Jonathan and Wichern, Gordon and Watanabe, Shinji and Sarroff, Andy and Hershey, John},
      • title = {The Phasebook: Building Complex Masks via Discrete Representations for Source Separation},
      • booktitle = {IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP)},
      • year = 2019,
      • month = may,
      • doi = {10.1109/ICASSP.2019.8682587},
      • url = {https://www.merl.com/publications/TR2019-008}
      • }
    •  Hori, C., Alamri, H., Wang, J., Wichern, G., Hori, T., Cherian, A., Marks, T.K., Cartillier, V., Lopes, R., Das, A., Essa, I., Batra, D., Parikh, D., "End-to-End Audio Visual Scene-Aware Dialog Using Multimodal Attention-Based Video Features", IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), DOI: 10.1109/ICASSP.2019.8682583, May 2019.
      BibTeX Download PDFAbout TR2019-016
      • @inproceedings{Hori2019may2,
      • author = {Hori, Chiori and Alamri, Huda and Wang, Jue and Wichern, Gordon and Hori, Takaaki and Cherian, Anoop and Marks, Tim K. and Cartillier, Vincent and Lopes, Raphael and Das, Abhishek and Essa, Irfan and Batra, Dhruv and Parikh, Devi},
      • title = {End-to-End Audio Visual Scene-Aware Dialog Using Multimodal Attention-Based Video Features},
      • booktitle = {IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP)},
      • year = 2019,
      • month = may,
      • doi = {10.1109/ICASSP.2019.8682583},
      • url = {https://www.merl.com/publications/TR2019-016}
      • }
    •  Seetharaman, P., Wichern, G., Venkataramani, S., Le Roux, J., "Class-Conditional Embeddings for Music Source Separation", IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), DOI: 10.1109/ICASSP.2019.8683007, May 2019.
      BibTeX Download PDFAbout TR2019-004
      • @inproceedings{Seetharaman2019may,
      • author = {Seetharaman, Prem and Wichern, Gordon and Venkataramani, Shrikant and Le Roux, Jonathan},
      • title = {Class-Conditional Embeddings for Music Source Separation},
      • booktitle = {IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP)},
      • year = 2019,
      • month = may,
      • doi = {10.1109/ICASSP.2019.8683007},
      • url = {https://www.merl.com/publications/TR2019-004}
      • }
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  • Other Publications

    •  G. Wichern and A. Lukin, "Low-Latency approximation of bidirectional recurrent networks for speech denoising", 2017 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA), Oct 2017, pp. 66-70.
      BibTeX
      • @Inproceedings{8169996,
      • author = {Wichern, G. and Lukin, A.},
      • title = {Low-Latency approximation of bidirectional recurrent networks for speech denoising},
      • booktitle = {2017 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA)},
      • year = 2017,
      • pages = {66--70},
      • month = {Oct}
      • }
    •  G. Wichern, H. Robertson and A. Wishnick, "Quantitative Analysis of Masking in Multitrack Mixes Using Loudness Loss", Sep 2016, Audio Engineering Society Convention 141.
      BibTeX
      • @Conference{wichern2016quantitative,
      • author = {Wichern, G. and Robertson, H. and Wishnick, A.},
      • title = {Quantitative Analysis of Masking in Multitrack Mixes Using Loudness Loss},
      • booktitle = {Audio Engineering Society Convention 141},
      • year = 2016,
      • month = {Sep},
      • url = http://www.aes.org/e-lib/browse.cfm?elib=18450
      • }
    •  G. Wichern, A. Wishnick, A. Lukin and H. Robertson, "Comparison of Loudness Features for Automatic Level Adjustment in Mixing", Oct 2015, Audio Engineering Society Convention 139.
      BibTeX
      • @Conference{wichern2015comparison,
      • author = {Wichern, G. and Wishnick, A. and Lukin, A. and Robertson, H.},
      • title = {Comparison of Loudness Features for Automatic Level Adjustment in Mixing},
      • booktitle = {Audio Engineering Society Convention 139},
      • year = 2015,
      • month = {Oct},
      • url = http://www.aes.org/e-lib/browse.cfm?elib=17928
      • }
    •  M. Yamada, G. Wichern, K. Kondo, M. Sugiyama and H. Sawada, "Noise adaptive optimization of matrix initialization for frequency-domain independent component analysis", Digital Signal Processing, Vol. 23, No. 1, pp. 1-8, 2013.
      BibTeX
      • @Article{yamada2013noise,
      • author = {Yamada, M. and Wichern, G. and Kondo, K. and Sugiyama, M. and Sawada, H.},
      • title = {Noise adaptive optimization of matrix initialization for frequency-domain independent component analysis},
      • journal = {Digital Signal Processing},
      • year = 2013,
      • volume = 23,
      • number = 1,
      • pages = {1--8},
      • publisher = {Academic Press}
      • }
    •  M. Yamada, M. Sugiyama, G. Wichern and J. Simm, "Improving the accuracy of least-squares probabilistic classifiers", IEICE transactions on information and systems, Vol. 94, No. 6, pp. 1337-1340, 2011.
      BibTeX
      • @Article{yamada2011improving,
      • author = {Yamada, M. and Sugiyama, M. and Wichern, G. and Simm, J.},
      • title = {Improving the accuracy of least-squares probabilistic classifiers},
      • journal = {IEICE transactions on information and systems},
      • year = 2011,
      • volume = 94,
      • number = 6,
      • pages = {1337--1340},
      • publisher = {The Institute of Electronics, Information and Communication Engineers}
      • }
    •  G. Wichern, J. Xue, H. Thornburg, B. Mechtley and A. Spanias, "Segmentation, Indexing, and Retrieval for Environmental and Natural Sounds", IEEE Transactions on Audio, Speech, and Language Processing, Vol. 18, No. 3, pp. 688-707, March 2010.
      BibTeX
      • @Article{5410056,
      • author = {Wichern, G. and Xue, J. and Thornburg, H. and Mechtley, B. and Spanias, A.},
      • title = {Segmentation, Indexing, and Retrieval for Environmental and Natural Sounds},
      • journal = {IEEE Transactions on Audio, Speech, and Language Processing},
      • year = 2010,
      • volume = 18,
      • number = 3,
      • pages = {688--707},
      • month = mar
      • }
    •  M. Yamada, M. Sugiyama and G. Wichern, "Direct importance estimation with probabilistic principal component analyzers", 2010 IEEE International Conference on Acoustics, Speech and Signal Processing, March 2010, pp. 1962-1965.
      BibTeX
      • @Inproceedings{5495290,
      • author = {Yamada, M. and Sugiyama, M. and Wichern, G.},
      • title = {Direct importance estimation with probabilistic principal component analyzers},
      • booktitle = {2010 IEEE International Conference on Acoustics, Speech and Signal Processing},
      • year = 2010,
      • pages = {1962--1965},
      • month = mar
      • }
    •  M. Yamada, M. Sugiyama, G. Wichern and T. Matsui, "Acceleration of sequence kernel computation for real-time speaker identification", 2010 IEEE International Conference on Acoustics, Speech and Signal Processing, March 2010, pp. 1626-1629.
      BibTeX
      • @Inproceedings{5495542,
      • author = {Yamada, M. and Sugiyama, M. and Wichern, G. and Matsui, T.},
      • title = {Acceleration of sequence kernel computation for real-time speaker identification},
      • booktitle = {2010 IEEE International Conference on Acoustics, Speech and Signal Processing},
      • year = 2010,
      • pages = {1626--1629},
      • month = mar
      • }
    •  G. Wichern, M. Yamada, H. Thornburg, M. Sugiyama and A. Spanias, "Automatic audio tagging using covariate shift adaptation", 2010 IEEE International Conference on Acoustics, Speech and Signal Processing, March 2010, pp. 253-256.
      BibTeX
      • @Inproceedings{5495973,
      • author = {Wichern, G. and Yamada, M. and Thornburg, H. and Sugiyama, M. and Spanias, A.},
      • title = {Automatic audio tagging using covariate shift adaptation},
      • booktitle = {2010 IEEE International Conference on Acoustics, Speech and Signal Processing},
      • year = 2010,
      • pages = {253--256},
      • month = mar
      • }
    •  B. Mechtley, G. Wichern, H. Thornburg and A. Spanias, "Combining semantic, social, and acoustic similarity for retrieval of environmental sounds", 2010 IEEE International Conference on Acoustics, Speech and Signal Processing, March 2010, pp. 2402-2405.
      BibTeX
      • @Inproceedings{5496225,
      • author = {Mechtley, B. and Wichern, G. and Thornburg, H. and Spanias, A.},
      • title = {Combining semantic, social, and acoustic similarity for retrieval of environmental sounds},
      • booktitle = {2010 IEEE International Conference on Acoustics, Speech and Signal Processing},
      • year = 2010,
      • pages = {2402--2405},
      • month = mar
      • }
    •  M. Shah, G. Wichern, A. Spanias and H. Thornburg, "Audio content-based feature extraction algorithms using J-DSP for arts, media and engineering courses", 2010 IEEE Frontiers in Education Conference (FIE), Oct 2010, pp. T1F-1-T1F-6.
      BibTeX
      • @Inproceedings{5673157,
      • author = {Shah, M. and Wichern, G. and Spanias, A. and Thornburg, H.},
      • title = {Audio content-based feature extraction algorithms using J-DSP for arts, media and engineering courses},
      • booktitle = {2010 IEEE Frontiers in Education Conference (FIE)},
      • year = 2010,
      • pages = {T1F--1--T1F--6},
      • month = {Oct}
      • }
    •  A. Fink, B. Mechtley, G. Wichern, J. Liu, H. Thornburg, A. Spanias and G. Coleman, "Re-Sonification of Geographic Sound Activity using Acoustic, Semantic and Social Information", Proceedings of the 16th International Conference on Auditory Display (ICAD2010), 2010.
      BibTeX
      • @Inproceedings{fink2010re,
      • author = {Fink, A. and Mechtley, B. and Wichern, G. and Liu, J. and Thornburg, H. and Spanias, A. and Coleman, G.},
      • title = {Re-Sonification of Geographic Sound Activity using Acoustic, Semantic and Social Information},
      • booktitle = {Proceedings of the 16th International Conference on Auditory Display (ICAD2010)},
      • year = 2010,
      • organization = {Georgia Institute of Technology}
      • }
    •  G. Wichern, B. Mechtley, A. Fink, H. Thornburg and A. Spanias, "An ontological framework for retrieving environmental sounds using semantics and acoustic content", EURASIP Journal on Audio, Speech, and Music Processing, Vol. 2010, No. 1, pp. 192363, 2010.
      BibTeX
      • @Article{wichern2010ontological,
      • author = {Wichern, G. and Mechtley, B. and Fink, A. and Thornburg, H. and Spanias, A.},
      • title = {An ontological framework for retrieving environmental sounds using semantics and acoustic content},
      • journal = {EURASIP Journal on Audio, Speech, and Music Processing},
      • year = 2010,
      • volume = 2010,
      • number = 1,
      • pages = 192363,
      • publisher = {Springer International Publishing}
      • }
    •  M. Yamada, M. Sugiyama, G. Wichern and J. Simm, "Direct importance estimation with a mixture of probabilistic principal component analyzers", IEICE Transactions on Information and Systems, Vol. 93, No. 10, pp. 2846-2849, 2010.
      BibTeX
      • @Article{yamada2010direct,
      • author = {Yamada, M. and Sugiyama, M. and Wichern, G. and Simm, J.},
      • title = {Direct importance estimation with a mixture of probabilistic principal component analyzers},
      • journal = {IEICE Transactions on Information and Systems},
      • year = 2010,
      • volume = 93,
      • number = 10,
      • pages = {2846--2849},
      • publisher = {The Institute of Electronics, Information and Communication Engineers}
      • }
    •  G. Wichern, H. Thornburg and A. Spanias, "Multi-channel audio segmentation for continuous observation and archival of large spaces", 2009 IEEE International Conference on Acoustics, Speech and Signal Processing, April 2009, pp. 237-240.
      BibTeX
      • @Inproceedings{4959564,
      • author = {Wichern, G. and Thornburg, H. and Spanias, A.},
      • title = {Multi-channel audio segmentation for continuous observation and archival of large spaces},
      • booktitle = {2009 IEEE International Conference on Acoustics, Speech and Signal Processing},
      • year = 2009,
      • pages = {237--240},
      • month = apr
      • }
    •  G. Wichern, H. Kwon, A. Spanias, A. Fink and H. Thornburg, "Continuous observation and archival of acoustic scenes using wireless sensor networks", 2009 16th International Conference on Digital Signal Processing, July 2009, pp. 1-6.
      BibTeX
      • @Inproceedings{5201082,
      • author = {Wichern, G. and Kwon, H. and Spanias, A. and Fink, A. and Thornburg, H.},
      • title = {Continuous observation and archival of acoustic scenes using wireless sensor networks},
      • booktitle = {2009 16th International Conference on Digital Signal Processing},
      • year = 2009,
      • pages = {1--6},
      • month = jul
      • }
    •  G. Wichern, H. Thornburg and A. Spanias, "Unifying semantic and content-based approaches for retrieval of environmental sounds", 2009 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, Oct 2009, pp. 13-16.
      BibTeX
      • @Inproceedings{5346493,
      • author = {Wichern, G. and Thornburg, H. and Spanias, A.},
      • title = {Unifying semantic and content-based approaches for retrieval of environmental sounds},
      • booktitle = {2009 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics},
      • year = 2009,
      • pages = {13--16},
      • month = {Oct}
      • }
    •  J. Xue, G. Wichern, H. Thornburg and A. Spanias, "Fast query by example of environmental sounds via robust and efficient cluster-based indexing", 2008 IEEE International Conference on Acoustics, Speech and Signal Processing, March 2008, pp. 5-8.
      BibTeX
      • @Inproceedings{4517532,
      • author = {Xue, J. and Wichern, G. and Thornburg, H. and Spanias, A.},
      • title = {Fast query by example of environmental sounds via robust and efficient cluster-based indexing},
      • booktitle = {2008 IEEE International Conference on Acoustics, Speech and Signal Processing},
      • year = 2008,
      • pages = {5--8},
      • month = mar
      • }
    •  G. Wichern, H. Thornburg, B. Mechtley, A. Fink, K. Tu and A. Spanias, "Robust Multi-Features Segmentation and Indexing for Natural Sound Environments", 2007 International Workshop on Content-Based Multimedia Indexing, June 2007, pp. 69-76.
      BibTeX
      • @Inproceedings{4275057,
      • author = {Wichern, G. and Thornburg, H. and Mechtley, B. and Fink, A. and Tu, K. and Spanias, A.},
      • title = {Robust Multi-Features Segmentation and Indexing for Natural Sound Environments},
      • booktitle = {2007 International Workshop on Content-Based Multimedia Indexing},
      • year = 2007,
      • pages = {69--76},
      • month = jun
      • }
    •  M. McCarron, M. R. Azimi-Sadjadi, G. Wichem and M. Mungiole, "An Operationally Adaptive System for Rapid Acoustic Transmission Loss Prediction", 2007 International Joint Conference on Neural Networks, Aug 2007, pp. 2262-2267.
      BibTeX
      • @Inproceedings{4371310,
      • author = {McCarron, M. and Azimi-Sadjadi, M. R. and Wichem, G. and Mungiole, M.},
      • title = {An Operationally Adaptive System for Rapid Acoustic Transmission Loss Prediction},
      • booktitle = {2007 International Joint Conference on Neural Networks},
      • year = 2007,
      • pages = {2262--2267},
      • month = {Aug}
      • }
    •  G. Wichern, J. Xue, H. Thornburg and A. Spanias, "Distortion-Aware Query-by-Example for Environmental Sounds", 2007 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, Oct 2007, pp. 335-338.
      BibTeX
      • @Inproceedings{4393051,
      • author = {Wichern, G. and Xue, J. and Thornburg, H. and Spanias, A.},
      • title = {Distortion-Aware Query-by-Example for Environmental Sounds},
      • booktitle = {2007 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics},
      • year = 2007,
      • pages = {335--338},
      • month = {Oct}
      • }
    •  G. Wichern, M. R. Azimi-Sadjadi and M. Mungiole, "Environmentally adaptive acoustic transmission loss prediction in turbulent and nonturbulent atmospheres", Neural Networks, Vol. 20, No. 4, pp. 484 - 497, 2007.
      BibTeX
      • @Article{WICHERN2007484,
      • author = {Wichern, G. and Azimi-Sadjadi, M. R. and Mungiole, M.},
      • title = {Environmentally adaptive acoustic transmission loss prediction in turbulent and nonturbulent atmospheres},
      • journal = {Neural Networks},
      • year = 2007,
      • volume = 20,
      • number = 4,
      • pages = {484 -- 497},
      • note = {Computational Intelligence in Earth and Environmental Sciences},
      • url = http://www.sciencedirect.com/science/article/pii/S089360800700055X
      • }
    •  G. Wichern, M. R. Azimi-Sadjadi and M. Mungiole, "An Environmentally Adaptive System for Rapid Acoustic Transmission Loss Prediction", The 2006 IEEE International Joint Conference on Neural Network Proceedings, 2006, pp. 5118-5125.
      BibTeX
      • @Inproceedings{1716812,
      • author = {Wichern, G. and Azimi-Sadjadi, M. R. and Mungiole, M.},
      • title = {An Environmentally Adaptive System for Rapid Acoustic Transmission Loss Prediction},
      • booktitle = {The 2006 IEEE International Joint Conference on Neural Network Proceedings},
      • year = 2006,
      • pages = {5118--5125}
      • }
    •  MR Azimi-Sadjadi, Y Jiang and G Wichern, "Properties of randomly distributed sparse arrays", Proc. SPIE, 2006, vol. 6201.
      BibTeX
      • @Inproceedings{azimi2006properties,
      • author = {Azimi-Sadjadi, MR and Jiang, Y and Wichern, G},
      • title = {Properties of randomly distributed sparse arrays},
      • booktitle = {Proc. SPIE},
      • year = 2006,
      • volume = 6201
      • }
    •  MR Azimi-Sadjadi, A Pezeshki, LL Scharf and G Wichern, "Unattended sparse acoustic array configurations and beamforming algorithms", Proc. SPIE, 2005, vol. 5796, pp. 40-51.
      BibTeX
      • @Inproceedings{azimi2005unattended,
      • author = {Azimi-Sadjadi, MR and Pezeshki, A and Scharf, LL and Wichern, G},
      • title = {Unattended sparse acoustic array configurations and beamforming algorithms},
      • booktitle = {Proc. SPIE},
      • year = 2005,
      • volume = 5796,
      • pages = {40--51}
      • }

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  • MERL Issued Patents

    • Title: "Methods and Systems for End-to-End Speech Separation with Unfolded Iterative Phase Reconstruction"
      Inventors: Le Roux, Jonathan; Hershey, John R.; Wang, Zhongqiu; Wichern, Gordon P
      Patent No.: 10,529,349
      Issue Date: Jan 7, 2020
    See All Patents for MERL