1
` Prof. Chris Kyriakakis
`
`Contact USC Viterbi School of Engineering (1996 – Present)
`Ming Hsieh Department of Electrical Engineering
`email: ckyriak@me.com
` Wikipedia: http://en.wikipedia.org/wiki/Chris_Kyriakakis
`
`
`Education PhD University of Southern California (USC)
` 1993 Electrical Engineering
`
` MS University of Southern California (USC)
` 1987 Electrical Engineering
`
` BS California Institute of Technology (Caltech)
` 1985 Engineering and Applied Science
`
`
`Positions Associate Professor USC
` 2002-Present Electrical Engineering
` Assistant Professor USC
` 1996-2002 Electrical Engineering
` Research Fellow USC
` 1993-1996 Electrical Engineering
` CTO Audyssey Laboratories
` 2002-2018
` Chief Audio Scientist SYNG
` 2019-Present
`
`
`
`Research Areas Immersive audio signal processing, machine learning for
`audio and acoustics, room equalization, room acoustics,
`headphone acoustics, multichannel audio streaming,
`microphone array processing, head-related transfer function
`modeling, adaptive algorithms for virtual microphones, virtual
`loudspeakers, multichannel audio rendering, archaeoacoustics.
`
`
`Honors and Awards
`
` 2018 Elected as Senior Member of the Institute of Electrical and
`Electronics Engineers (IEEE)
`
` 2006 World Technology Network Award
`Exhibit 1003
`Page 01 of 20
`
`
`
`
`
`
`
`2
` James P. Clark, Chairman of the World Technology Network: “The World
`Technology Awards program is a very inspiring way to identify and honor
`the most innovative people and organizations in the technology
`world…We look forward to assisting Prof. Kyriakakis continue to help
`create our collective future and change our world.”
`
`
` 2004 National Academy of Engineering: Frontiers of Engineering
` Session Chairman
` 2003 Best Paper Award: IEEE 37th Asilomar Conference on
`Signals, Systems, & Computers
`
`Professional Service (Past and Current)
`
` Society Memberships
` Member of the Audio Engineering Society (AES)
` Senior Member of the IEEE
` Member of the Acoustical Society of America (ASA)
` Member IEEE Technical Committee on Multimedia
` Member of AES Technical Committee on Multichannel and
`Binaural Audio
` Member of AES Technical Committee on Audio for Games
`
` Reviewer
` National Science Foundation
` IEEE Transactions on Multimedia
` IEEE Transactions on Signal Processing
` IEEE Transactions on Audio, Speech, and Language
`Processing
` European Association for Signal Processing (EURASIP)
` IEEE International Conference on Acoustics, Speech, and
`Signal Processing (ICASSP)
` IEEE Workshop on Applications of Signal Processing to
`Audio (WASPAA)
` IEEE Workshop on Multimedia Signal Processing
` ACM Special Interest Group on Graphics and Interactive
`Techniques (SIGGRAPH)
` European Signal Processing Conference (EUSIPCO)
` Audio Engineering Society
` Acoustical Society of America
`Exhibit 1003
`Page 02 of 20
`
`
`
`
`
`
`
`3
`
`
`Books
`1. S. Bharitkar and C. Kyriakakis, “Immersive Audio Signal
`Processing,” Springer-Verlag, New York, (2006).
`2. D. Yang, C.-C. Kuo, and C. Kyriakakis, “High Fidelity
`Multichannel Audio Coding,” Hindawi Press, New York, (2004).
`
`Patents
`1. Systems and Methods for Audio Upmixing. 12,069,466 (2024)
`2. Systems and Methods for Spatial Audio Rendering.
`US20240107258A1 (2024)
`3. WO2024186771A1 Systems and Methods for Hybrid Spatial
`Audio
`4. Systems and Methods for Loudspeaker Layout Mapping
`W02023070105A2 (2023)
`5. Systems and Methods for Audio Upmixing EP 4252432 (2023)
`6. Systems and Methods for Spatial Audio Rendering. 11,722,833
`(2023)
`7. Systems and Methods for Audio Upmixing WO2022132197A1
`(2022)
`8. Systems and Methods for Spatial Audio Rendering. 11,206,504
`(2021)
`9. Systems and Methods for Audio Upmixing US202220400351A1
`(2021)
`10. Systems and Methods for Spatial Audio Rendering.
`WO2020206177 A1 (2020)
`11. Audio Output Device Specific Audio Processing. 9,860,641
`(2018)
`12. Audio Content Enhancement Using Bandwidth Extension
`Techniques. 8,705,764 (2014)
`13. Room Acoustic Response Modeling and Equalization with Linear
`Predictive Coding and Parametric Filters. 8,363,853 (2013)
`14. Cross-Over Frequency Selection and Optimization of Response
`Around Crossover. 8,363,852 (2013)
`15. Stereo Expansion with Binaural Modeling. 8,229,143 (2012)
`16. Phase Equalization for Multi-Channel Loudspeaker-Room
`Responses. 8,218,789 (2010)
`Exhibit 1003
`Page 03 of 20
`
`
`
`
`
`
`
`4
`17. Combined Multirate-Based and FIR-Based Filtering Technique
`for Room Acoustic Equalization. 8,077,880 (2011)
`18. System and Method for Automatic Multiple Listener Room
`Correction with Low Order Filters. 8,005,228 (2011)
`19. Personal Audio Docking Station. D629,391 (2010)
`20. Cross-Over Frequency Selection and Optimization of Response
`Around Cross-Over. 7,826,626 (2010)
`21. System and Method for Automatic Room Acoustic Correction in
`Multi-Channel Audio Environments. 7,769,183 (2010)
`22. Phase Equalization for Multi-Channel Loudspeaker-Room
`Responses. 7,720,237 (2010)
`23. System and Method for Automatic Multiple Listener Room
`Acoustic Correction with Low Filter Orders. 7,567,675 (2009)
`Exhibit 1003
`Page 04 of 20
`
`
`
`
`
`
`
`5
`
`
`
`Selected Press Coverage
` April 16, 2022 Joe N Tell: interview on acoustics and psychoacoustics
`https://www.youtube.com/watch?v=82QTD0RoB0Q
` January 10, 2021 The New Yorker: The origins of video-chat voice
`https://www.newyorker.com/tech/annals-of-technology/the-
`origins-of-video-chat-voice
` May 11, 2019 Observer: Inside the world of sound designers who create
`tech’s noisy notifications
`https://observer.com/2019/05/app-sounds-notifications-design/
` May 1, 2019 New York Magazine: I tried a $500 sound-therapy machine
`https://www.thecut.com/2019/05/i-tried-a-usd500-sound-
`therapy-machine.html
` June 28, 2018 Sputnik News International: Will spherical music venues in
`London and Las Vegas really produce great sound?
`https://sputniknews.com/20180628/msg-sphere-london-
`acoustics-1065851435.html
` December 2, 2017 BBC World Service: Symphony of the Stones
`http://www.bbc.co.uk/programmes/w3csvq4j
` February 28, 2017 National Herald: Professors Recreate the Sounds of an
`Ancient Greek Church in LA
`https://www.thenationalherald.com/152455/professors-
`recreate-sounds-ancient-greek-church-la/
` September 2016 USC Trojan Family Magazine: He uses sound to travel
`through time https://news.usc.edu/trojan-family/he-uses-
`sound-to-travel-through-time/
` March 9, 2016 Open Culture: Museums of Lost Sound
`http://www.openculture.com/2016/03/mapping-the-sounds-of-
`greek-byzantine-churches-how-researchers-are-creating-
`museums-of-lost-sound.html
` February 26, 2016 CBC Radio: Mapping the Sound of Byzantine Churches
`http://www.cbc.ca/radio/spark/311-unscrambling-encryption-
`history-in-3d-and-more-1.3465784/mapping-the-sound-of-
`byzantine-churches-1.3465806
`Exhibit 1003
`Page 05 of 20
`
`
`
`
`
`
`
`6
` February 19, 2016 The Atlantic: Hearing the Lost Sounds of Antiquity
`http://www.theatlantic.com/technology/archive/2016/02/byzantine-
`angel-wings/470076/
` September 14, 2015 UCLA Newsroom: Measuring the sound of angels singing
`http://newsroom.ucla.edu/stories/measuring-the-sound-of-angels-
`singing
` February 5, 2015 Gizmodo: No, women’s voices are not easier to understand
`than men’s voices
`http://gizmodo.com/no-siri-is-not-female-because-womens-voices-
`are-easier-1683901643
` September 30, 2014 IEEE Spectrum: Why mobile voice quality still stinks and
`how to fix it
`http://spectrum.ieee.org/telecom/wireless/why-mobile-voice-
`quality-still-stinksand-how-to-fix-it
` June 21, 2012 NPR All Things Considered: He’ll Retune Your Living
`Room
`http://www.npr.org/blogs/therecord/2012/06/21/155501975/hell-
`retune-your-living-room
` Sept. 5, 2011 New York Times: Sound, the Way the Brain Prefers to hear it
`http://www.nytimes.com/2011/09/06/science/06sound.html?_r=1&p
`agewanted=all
` Nov. 29, 2006 Widescreen Review: Chris Kyriakakis wins 2006 World
`Technology Award
`http://www.widescreenreview.com/news_detail.php?id=12381
` Oct. 27, 2006 USC News: Immersive Sound-The Next Step in Audio
`http://www.usc.edu/uscnews/stories/12915.html
`Exhibit 1003
`Page 06 of 20
`
`
`
`
`
`
`
`7
`
`
`
`Journal Publications
`1. S. Gerstel, C. Kyriakakis, S. Antonopoulos, K. Raptis, and
`J. Donahue, “Holy, Holy, Holy: Hearing the Voices of
`Angels”, Gesta, 60(1) 2021
`2. S. Gerstel, C. Kyriakakis, S. Antonopoulos, K. Raptis, and
`J. Donahue, “Soundscapes of Byzantium: The
`Acheiropoietos Basilica and the Cathedral of Hagia Sophia
`in Thessaloniki,” Hesperia, Issue 87.1, January-March 2018
`3. S. Gerstel, C. Kyriakakis, S. Antonopoulos, K. Raptis, and
`J. Donahue, “Soundscapes of Byzantium”, Speculum 92(5),
`October 2017
`4. S. Gerstel and C. Kyriakakis, “Uncovering the Acoustic
`Mysteries of Byzantine Thessaloniki”, Faith and Form,
`49(3), Oct. 2016
`5. C. S. Lin and C. Kyriakakis, “High Definition Audio
`Spectrum Separation via Frequency Response Masking
`Filter Banks”, Journal of the Audio Engineering Society,
`57(10), 807-821, (2009)
`6. C. S. Lin and C. Kyriakakis, “Removing Additive Noise
`via Neuro-Fuzzy Based Reinforcement Learning,” Journal
`of the Acoustical Society of America, 124(2), 1026-1037,
`(2008)
`7. D. Cantzos and C. Kyriakakis, “Quality Enhancement of
`Compressed Audio Based on Statistical Conversion,”
`EURASIP Journal on Audio, Speech, and Music
`Processing, vol. 2008, p. 1-15, (May 2008).
`8. S. Bharitkar and C. Kyriakakis, “Visualization of Multiple
`Listener Room Acoustic Equalization with Sammon Map,”
`IEEE Transactions on Speech and Audio Processing, 15(2),
`542-551, (2007).
`9. P. G. Georgiou and C. Kyriakakis, “Robust Maximum
`Likelihood Source Localization: The Case for Sub-
`Gaussian versus Gaussian,” IEEE Transactions on Speech
`and Audio Processing, 14(4), 1470-1480, (2006).
`10. P. G. Georgiou and C. Kyriakakis, “Maximum Likelihood
`Parameter Estimation under Impulsive Conditions, a Sub-
`Gaussian Signal Approach,” EURASIP Signal Processing
`Journal, 10, 3061-3075 (2006).
`Exhibit 1003
`Page 07 of 20
`
`
`
`
`
`
`
`8
`11. A. Mouchtaris, S. S. Narayanan, and C. Kyriakakis,
`“Multichannel Audio Synthesis by Subband-Based Spectral
`Conversion and Parameter Adaptation,” IEEE Trans.
`Speech and Audio Processing, 13(2), 263-274, (2005).
`12. S. Bharitkar and C. Kyriakakis, “Robustness of Spatial
`Average Equalization: A Statistical Reverberation Model
`Approach,” Journal of the Acoustical Society of America,
`116(6), 3491-3497, (2004).
`11. R. Zimmermann, C. Kyriakakis, C. Shahabi, C.
`Papadopoulos, A. A. Sawchuk, U. Neumann, “The Remote
`Media Immersion System: Internet Meets the Future Home
`Theater,” IEEE Multimedia Magazine, March 2004.
`12. S. Bharitkar and C. Kyriakakis, “Selective Signal
`Cancellation For Multiple-Listener Audio Applications
`Using Eigenfilters,” IEEE Transactions on Multimedia, vol.
`5(3), 329-338, (2003).
`13. D. Yang, H. Ai, C. Kyriakakis, and C. –C. Jay Kuo, “High-
`Fidelity Multichannel Audio Coding With Karhunen-Loeve
`Transform,” IEEE Transactions on Speech and Audio
`Processing, 11(4), 365-380, (2003).
`14. A. Mouchtaris, S. S. Narayanan, and C. Kyriakakis,
`“Virtual Microphones for Multichannel Audio
`Resynthesis,” EURASIP Journal on Applied Signal
`Processing, Special Issue on Digital Audio for Multimedia
`Communications, 10, 968-979, (2003).
`15. D. Yang. Ai, C. Kyriakakis and C.-C. Jay Kuo,
`“Progressive Syntax-Rich Audio Coding for Multichannel
`Audio Sources,” EURASIP Journal on Applied Signal
`Processing, Special Issue on Digital Audio for Multimedia
`Communications, 10, 980-992, (2003).
`16. A. Mouchtaris, P. Reveliotis, and C. Kyriakakis, “Inverse
`Filter Design for Immersive Audio Rendering over
`Loudspeakers,” IEEE Transactions on Multimedia, 2(2),
`77-87, (2000).
`17. P. Georgiou, C. Kyriakakis, and P. Tsakalides, “Alpha
`Stable Modeling of Noise and Robust Time-Delay
`Estimation in the Presence of Impulsive Noise,” IEEE
`Transactions on Multimedia, 1(3), 291-301, (1999).
`18. C. Kyriakakis, P. Tsakalides, and T. Holman, “Surrounded
`by Sound: Immersive Audio Acquisition and Rendering
`Methods,” IEEE Signal Processing Magazine, 16(1), 55-66,
`(1999).
`Exhibit 1003
`Page 08 of 20
`
`
`
`
`
`
`
`9
`19. C. Kyriakakis, T. Holman, J.-S. Lim, H. Hong, and H.
`Neven, “Signal Processing, Acoustics, and Psychoacoustics
`for High Quality Desktop Audio,” Journal of Visual
`Communication and Image Representation, 9(1), 51-61,
`(1998).
`20. C. Kyriakakis, “Fundamental and Technological
`Limitations of Immersive Audio Systems,” Proceedings of
`the IEEE, 86(5), 941-951, (1998).
`
`
`
`Technical Conference Publications
`
`1. Wang, Z., Kensek, K., Kyriakakis, C., Zyda, M., and
`Narhi, E. “Augmented Reality in Room Acoustics: A
`simulation tool for mobile devices with auditory
`feedback”, 7th International Conference on Architecture
`and Built Environment (April 2020)
`2. D. Cantzos, A. Mouchtaris, and C. Kyriakakis,
`“Perceptually-Driven Scalable MDCT Enhancement of
`Compressed Audio Based on Statistical Conversion”,
`Proceedings of IEEE International Symposium on
`Multimedia, Dec. 2011.
`3. S. Bharitkar and C. Kyriakakis, “Comparison between
`Spherical Headmodels and HRTFs in Upmixing for
`Headphone Based Virtual Surround and Stereo
`Expansion”, Proceedings of the AES 129th Convention in
`San Francisco, CA, November 4-7, 2010.
`4. C. S. Lin, “Design of Phase Equalizer for Rational Filter
`Banks Using Minimax Approach”, IEEE International
`Symposium on Industrial Electronics, June 2009.
`5. D. Cantzos and C. Kyriakakis, “Bandwidth Extension of
`Low Bitrate Compressed Audio Based on Statistical
`Conversion”, Proceedings of IEEE ICME 2009.
`6. S. Bharitkar, C. Kyriakakis, T. Holman, “Variable-Octave
`Complex Smoothing for Loudspeaker-Room Response
`Equalization”, IEEE International Conference on
`Consumer Electronics (ICCE 2008), Las Vegas, NV, 9-13
`Jan., 2008.
`7. D. Cantzos, A. Mouchtaris, and C. Kyriakakis, “Synthesis
`of Enhanced Audio from Low Bitrate Compressed Audio
`Based on Unit Selection and Statistical Conversion
`Exhibit 1003
`Page 09 of 20
`
`
`
`
`
`
`
`10
`Methods,” 42nd Asilomar Conference on Signals, Systems,
`and Computers, Pacific Grove, CA, Oct. 26, 2008.
`8. S. Bharitkar, Y. Zhang, and C. Kyriakakis, “Room
`Acoustic Response Modeling and Equalization with
`Linear Predictive Coding and Parametric Filters for
`Speech and Audio Enhancement,” in Proc. 40th IEEE
`Asilomar Conf. on Signals, Systems, & Computers, Pacific
`Grove (CA), Oct. 2006.
`9. S. Bharitkar and C. Kyriakakis, “Cascaded FIR Filters for
`Multiple Listener Low Frequency Room Acoustic
`Equalization,” accepted in 2006 IEEE Intl. Conf. Acoust.,
`Speech, & Signal Proc. (ICASSP-2006), Toulouse,
`France, May 2006.
`10. C. -S. Lin and C. Kyriakakis, “A Morphing Approach for
`Synthesizing Multichannel Recordings,” 39th IEEE
`Asilomar Conference on Signals, Systems, & Computers,
`Pacific Grove, CA, November, 2005.
`11. J. Peterson and C. Kyriakakis, “Analysis of Fast
`Localization Algorithms for Acoustical Environments,”
`39th IEEE Asilomar Conference on Signals, Systems, &
`Computers, Pacific Grove, CA, November, 2005.
`12. S. Bharitkar and C. Kyriakakis, “Comparison Between
`Time Delay Based and Nonuniform Phase Based
`Equalization for Multichannel Loudspeaker-Room
`Responses,” 39th IEEE Asilomar Conference on Signals,
`Systems, & Computers, Pacific Grove, CA, November,
`2005.
`13. S. Bharitkar and C. Kyriakakis, “Optimization of the Bass
`Management Filter Parameters for Multichannel Audio
`Applications,” 39th IEEE Asilomar Conference on
`Signals, Systems, & Computers, Pacific Grove, CA,
`November, 2005.
`14. S. Bharitkar and C. Kyriakakis, “Objective Function for
`Automatic Multiposition Equalization and Bass
`Management Filter Selection,” Audio Engineering
`Society, New York, October, 2005.
`15. S. Sundaram and C. Kyriakakis, “Phantom Audio Sources
`With Vertically Separated Speakers,” Audio Engineering
`Society, New York, October, 2005.
`16. S. Bharitkar and C. Kyriakakis, “Optimization of
`Crossover Frequency and Crossover Region Response for
`Multichannel Acoustic Applications,” 13th European
`Exhibit 1003
`Page 10 of 20
`
`
`
`
`
`
`
`11
`Signal Processing Conference (EUSIPCO 2005), Antalya,
`Turkey, September, 2005.
`17. J. Peterson and C. Kyriakakis, “Hybrid Algorithm for
`Robust, Real-Time Source Localization in Reverberant
`Environments,” International Conference on Acoustics,
`Speech, and Signal Processing (ICASSP ’05),
`Philadelphia, March 2005.
`18. J. Peterson and C. Kyriakakis, “Choosing Candidate
`Locations for Source Localization,” Joint Workshop on
`Hands-Free Speech Communication and Microphone
`Arrays (HSCMA ’05), Rutgers, March 2005.
`19. C. Papadopoulos, C. Kyriakakis, A. A. Sawchuk, X. He,
`“Cyberseer: 3D Audio-Visual Immersion for Network
`Security and Management,” Workshop on Visualization
`and Data Mining for Computer Security
`(VizSEC/DMSEC) 2004, Fairfax, VA, October, 2004.
`20. H. Huang and C. Kyriakakis, “Binaural Noise Reduction
`Combining Binaural Analysis and Spectral Subtraction,”
`Proc. 38th IEEE Asilomar Conference on Signals,
`Systems, & Computers, Pacific Grove, CA. Nov. 2004.
`21. H. Huang and C. Kyriakakis, “Computationally Efficient
`Blind Dereverberation of Audio Signals,” Proceedings of
`the 117th Convention of the Audio Engineering Society,
`New York, October, 2004.
`22. M. Boueri and C. Kyriakakis, “Audio Signal Decorrelation
`based on a Critical Band Approach,” Proceedings of the
`117
`th Convention of the Audio Engineering Society, New
`York, October, 2004.
`23. S. Bharitkar and C. Kyriakakis, “Nonlinear Projection
`Algorithm for Evaluating Multiple Listener Equalization
`Algorithm Performance,” Proceedings of the 117
`th
`Convention of the Audio Engineering Society, New York,
`October, 2004.
`24. R. Sadek and C. Kyriakakis, “A Novel Multichannel
`Panning Algorithm for Standard and Arbitrary
`Loudspeaker Configurations,” Proceedings of the 117th
`Convention of the Audio Engineering Society, New York,
`October, 2004.
`25. A.A. Sawchuk, E. Chew, R. Zimmermann, C.
`Papadopoulos and C. Kyriakakis, “Distributed Immersive
`Performance,” Corporation for Education Network
`Initiatives in California (CENIC) Eighth Annual
`Conference, March 15-17, 2004, Marina del Rey, CA.
`Exhibit 1003
`Page 11 of 20
`
`
`
`
`
`
`
`12
`26. C. S. Lin and C. Kyriakakis, “Multi-Frequency Noise
`Removal Based on Reinforcement Learning,” Preprint No.
`5966, presented at the 115th AES Convention, New York,
`NY, October, 2003.
`27. S. Bharitkar, P. Hilmes, C. Kyriakakis, “Sensitivity of
`Multichannel Room Equalization to Listener Position,” in
`Proceedings of the AES 115
`th Convention, NY, Oct 2003.
`28. H. Huang and C. Kyriakakis, “Subband Adaptive Filtering
`For Acoustic Noise Reduction,” in Proceedings of the
`AES 115th Convention, NY, Oct 2003.
`29. S. Bharitkar and C. Kyriakakis, “The Influence of
`Reverberation on Multichannel Equalization: An
`Experimental Comparison Between Methods,” Proc. 37th
`IEEE Asilomar Conference on Signals, Systems, &
`Computers, Pacific Grove, CA. Nov. 2003. (Best Paper
`Award)
`30. J. M. Peterson, P. Georgiou, and C. Kyriakakis, “The Use
`of Fractional Lower-Order Statistics in acoustical
`environments,” in Proceedings of Asilomar Conference on
`Signals, Systems, and Computers, 2003.
`31. C. S. Lin and C. Kyriakakis, “Frequency Response
`Masking Approach for Designing Filter Banks with
`Rational Sampling Factors,” IEEE WASPAA 2003,
`Mohonk, NY, October, 2003.
`32. S. Bharitkar and C. Kyriakakis, “A Comparison Between
`Multi-channel Audio Equalization Filters Using Warping,”
`2003 IEEE Workshop on Applications of Signal
`Processing to Audio and Acoustics (WASPAA 2003),
`New Paltz, NY. Oct. 2003.
`33. S. Bharitkar and C. Kyriakakis, “Sensitivity of
`multichannel room equalization to listener position,” Proc.
`IEEE Conf. on Multimedia & Expo (ICME), Baltimore.
`July 2003.
`34. S. Bharitkar, P. Hilmes, C. Kyriakakis, “Analysis of
`Multiple Listener Equalization Performance Due to
`Displacement Effects,”145th Meeting of the Acoustical
`Soc. America. Nashville (TN). May 2003.
`35. A.A. Sawchuk, C. Kyriakakis, R. Zimmermann, C.
`Papadopoulos, C. Shahabi, U. Neumann and T. Holman,
`“Remote Media Immersion,” Corporation for Education
`Network Initiatives in California (CENIC) Seventh
`Annual Conference, May 7-9, 2003, Santa Barbara, CA.
`Exhibit 1003
`Page 12 of 20
`
`
`
`
`
`
`
`13
`36. S. Rishi, C. Papadopoulos, and C. Kyriakakis, “Loss
`Concealment for Multichannel Streaming Audio,”
`Network and Operating System Support for Digital Audio
`and Video (NOSSDAV ’03), Monterey, CA, June, 2003.
`37. P. G. Georgiou and C. Kyriakakis, “A new model of
`source dependent noise for robust array signal
`processing,” in Second IEEE Sensor Array and
`Multichannel Signal Processing Workshop, Aug. 2002.
`38. P. G. Georgiou and C. Kyriakakis, “Signal Parameter
`Estimation and Localization via Maximum Likelihood
`Using and Sensor Array in the Presence of Levy Noise,”
`ICSP 2002, Beijing.
`39. S. Bharitkar and C. Kyriakakis, “Perceptual Multiple
`Location Equalization with Clustering,” in Proc. 36th
`IEEE Asilomar Conference on Signals, Systems, &
`Computers, Pacific Grove, CA, Nov. 2002.
`40. S. Bharitkar, P. Hilmes, and C. Kyriakakis, “Robustness of
`Spatial Averaging Equalization Methods: A Statistical
`Approach,” in Proc. 36th IEEE Asilomar Conference on
`Signals, Systems, & Computers, Pacific Grove, CA, Nov.
`2002.
`41. G. Georgiou and C. Kyriakakis, “A novel model for
`reverberant signals; robust maximum likelihood
`localization of real signals based on a Sub-Gaussian
`model,” in Proc. 36th IEEE Asilomar Conference on
`Signals, Systems, & Computers, Pacific Grove, CA, Nov.
`2002.
`42. A. Mouchtaris, S. S. Narayanan, and C. Kyriakakis,
`“Maximum Likelihood Constrained Adaptation for
`Multichannel Audio Synthesis,” in Proc. 36th IEEE
`Asilomar Conference on Signals, Systems, & Computers,
`Pacific Grove, CA, Nov. 2002.
`43. S. Bharitkar and C. Kyriakakis, “Visualization of Multiple
`Listener Room Response Equalization using Sammon
`Map,” in Proc. IEEE Intl. Conf. on Multimedia & Expo
`(ICME 2002), Lausanne, Switzerland, Aug. 2002.
`44. A. Mouchtaris, S. S. Narayanan, and C. Kyriakakis,
`“Multiresolution Spectral Conversion for Multichannel
`Audio Resynthesis,” in Proc. IEEE International
`Conference on Multimedia and Expo (ICME 2002), vol.
`2, p. 273-276, Lausanne, Switzerland, Aug. 2002.
`45. A. Mouchtaris, S. S. Narayanan, and C. Kyriakakis,
`“Efficient Multichannel Audio Resynthesis by Subband-
`Exhibit 1003
`Page 13 of 20
`
`
`
`
`
`
`
`14
`Based Spectral Conversion,” in Proc. European
`Processing Conference (EUSIPCO), vol. 1, p. 413-416,
`Toulouse, France, Sept. 2002.
`46. P. G. Georgiou and C. Kyriakakis, “A robust array signal
`processing maximum likelihood estimator based on sub-
`gaussian signals,” in Proc. European Processing
`Conference (EUSIPCO), Toulouse, France, Sept. 2002.
`47. D. Yang, H. Ai, C. Kyriakakis, and C. -C. Jay Kuo,
`“Design of Progressive Syntax-Rich Multichannel Audio
`Codec,” Proc. SPIE Vol. 4674, p. 121-123, Media
`Processors 2002, San Jose, CA, January, 2002.
`48. D. Yang, H. Ai, C. Kyriakakis and C.-C. Jay Kuo, “Error-
`Resilient Design of High Fidelity Scalable Audio Coding,”
`Proc. SPIE Vol. 4740, Digital Wireless Communications
`IV, Orlando, Florida USA, April 1-5, 2002.
`49. J. M. Peterson and C. Kyriakakis, “Using subband filters
`to reduce the complexity of real-time signal processing,”
`Preprint No. 5663, presented at the 113th AES
`Convention, Los Angeles, CA, October, 2002.
`50. D. Yang, H. Ai, C. Kyriakakis, and C. -C. Jay Kuo,
`“Design of Error-Resilient Layered Audio Codec,”
`Preprint No. 5681, presented at the 113th AES
`Convention, Los Angeles, CA, October, 2002.
`51. S. Bharitkar, P. Hilmes, and C. Kyriakakis, “A Statistical
`Analysis of the Robustness of Room Equalization Using
`Spatial Averaging,” Preprint No. 5669, presented at the
`113th AES Convention, Los Angeles, CA, October, 2002.
`52. P. G. Georgiou and C. Kyriakakis, “A Novel Method for
`Source Localization using Microphone Arrays in
`Reverberant Environments,” Preprint No. 5643, presented
`at the 113th AES Convention, Los Angeles, CA, October,
`2002.
`53. A. Mouchtaris, S. S. Narayanan, and C. Kyriakakis,
`“Gaussian-Mixture-Model-Based Methods for
`Multichannel Audio Resynthesis,” Preprint No. 5647,
`presented at the 113th AES Convention, Los Angeles,
`CA, October, 2002.
`54. C.-S. Lin and C. Kyriakakis, A Fuzzy Cerebellar Model
`Approach for Synthesizing Multichannel Recordings,”
`Preprint No. 5675, presented at the 113th AES
`Convention, Los Angeles, CA, October, 2002.
`55. S. Bharitkar and C. Kyriakakis, “A Cluster Centroid
`Method for Room Response Equalization at Multiple
`Exhibit 1003
`Page 14 of 20
`
`
`
`
`
`
`
`15
`Locations,” IEEE WASPAA 2001, Mohonk, NY
`(WASPAA: Workshop on Applications of Signal
`Processing to Audio and Acoustics).
`56. J. –S. Lim and C. Kyriakakis, “Multirate Adaptive
`Filtering for Immersive Audio,” ICASSP ’01, Salt Lake
`City, Utah, May, 2001 (ICASSP: International Conference
`on Acoustics, Speech, and Signal Processing).
`57. D. Yang, H. Ai, C. Kyriakakis, and C. –C. Kuo, “Adaptive
`Karhunen-Loeve Transform for Enhanced Multichannel
`Audio Coding, SPIE, San Diego, 2001.
`58. Yang, H. Ai, C. Kyriakakis, and C. –C. Kuo, “Embedded
`High-Quality Multichannel Audio Coding,” Conference
`on Media Processors, Symposium on Electronic Imaging
`2001, San Jose, CA, January 21-26, 2001.
`59. S. Bharitkar and C. Kyriakakis, “A Classification Scheme
`for Room Acoustical Responses,” ICASSP 2001, Salt
`Lake City, Utah.
`60. J. –S. Lim and C. Kyriakakis, “Adaptive Synthesis of
`Immersive Audio Rendering Filters,” 111
`th AES
`Convention, New York, NY, 2001.
`61. S. Bharitkar and C. Kyriakakis, “New Factors in Room
`Equalization Using a Fuzzy Logic Approach, , 111
`th AES
`Convention, New York, NY, 2001.
`62. A. Mouchtaris and C. Kyriakakis, “Time Frequency
`Methods for Virtual Microphone Signal Synthesis,” 111th
`AES Convention, New York, NY, 2001.
`63. S. Bharitkar and C. Kyriakakis, “Eigenfilters for Signal
`Cancellation,” ISPACS 2000, Hawaii.
`64. C. Kyriakakis and A. Mouchtaris, “Virtual Microphones
`for Multichannel Audio Applications,” ICME 2000, New
`York, July 2000.
`65. S. Bharitkar and C. Kyriakakis, “Selective Signal
`Cancellation for Multiple Listener Audio Applications: An
`Information Theory Approach,” ICME 2000, New York,
`July 2000.
`66. P. Georgiou and C. Kyriakakis, “A Multiple Input Single
`Output Model for Immersive Audio Rendering in Real
`Time,” ICME 2000, New York, July 2000.
`67. S. Rizzo, J. G. Buckwalter, L. Humphrey, C. van der
`Zaag, T. Bowerly, C. Chua, U. Neumann, and C.
`Kyriakakis, “A Virtual Reality Classroom Scenario for
`ADHD Assessment,” The 28th Annual Conference of the
`Exhibit 1003
`Page 15 of 20
`
`
`
`
`
`
`
`16
`International Neuropsychological Society, Denver,
`Colorado, February, 2000.
`68. P. G. Georgiou and C. Kyriakakis, “Modeling of Head-
`Related Transfer Functions for Immersive Audio Using a
`State-Space Approach,” 33rd Asilomar Conference on
`Signals, Systems, and Computers, Pacific Grove,
`California, October, 1999.
`69. A. Mouchtaris, Z. Zhu, and C. Kyriakakis, “High-Quality
`Internet Audio over ATM Networks,” 33rd Asilomar
`Conference on Signals, Systems, and Computers, Pacific
`Grove, California, October, 1999.
`70. C. Kyriakakis, S. Zeadally, and T. Holman, “Multichannel
`Audio over Internet2 Using ATM,” Audio Engineering
`Society, preprint no. 5000, (1999).
`71. C. Kyriakakis, “Immersive Audio Rendering on the TI
`C62 DSP Platform,” TI DSPFest, Houston, TX, August,
`1999
`72. P. G. Georgiou, P. Tsakalides, and C. Kyriakakis, “Alpha-
`Stable Robust Modeling of Background Noise for
`Enhanced Sound Source Localization,” ICASSP ’99,
`Phoenix, Arizona, March, 1999.
`73. A. Mouchtaris, P. Reveliotis, and C. Kyriakakis, “Non-
`minimum Phase Inverse Filtering Methods for Immersive
`Audio Rendering,” ICASSP ’99, Phoenix, Arizona,
`March, 1999.
`74. C. Kyriakakis and T. Holman, “Video-Based Head
`Tracking for Improvements in Multichannel Loudspeaker
`Audio,” Audio Engineering Society, preprint no. 4845,
`(1998).
`75. A. Mouchtaris, J.-S. Lim, T. Holman, and C. Kyriakakis,
`“Head-Related Transfer Function Synthesis for Immersive
`Audio,” Proceedings of the IEEE Multimedia Signal
`Processing Workshop (MMSP ’98), Redondo Beach,
`California, December, 1998.
`76. C. Kyriakakis and T. Holman, “Immersive Audio for
`Desktop Systems,” Acoustical Society of America
`International Conference on Acoustics, Seattle
`Washington, June, 1998
`77. C. Kyriakakis and T. Holman, “Immersive Audio for the
`Desktop: Signal Processing Requirements,” ICASSP ‘98,
`Seattle, Washington, May, 1998.
`Exhibit 1003
`Page 16 of 20
`
`
`
`
`
`
`
`17
`78. A. Mouchtaris, J.–S. Lim, T. Holman, and C. Kyriakakis,
`“Signal Processing Considerations for Immersive Audio
`Rendering,” Proceedings of the 10th Tyrrhenian
`Conference on Multimedia Communications, Ischia, Italy,
`(1998).
`79. P. Georgiou, C. Kyriakakis, and P. Tsakalides
`“Microphone Arrays for Speaker Direction Identification,”
`Proceedings of the IEEE on Applications of Signal
`Processing to Audio and Acoustics, WASPAA, (1997).
`80. T. Holman and C. Kyriakakis, “Acoustics and
`Psychoacoustics of Desktop Systems,” 134th meeting of
`the Acoustical Society of America, San Diego, CA,
`(1997).
`Exhibit 1003
`Page 17 of 20
`
`
`
`
`
`
`
`Chris Kyriakakis
`Expert Witness Experience
`
`
`Expert for Mojawa Intelligent Electronics v. Shenzen Wenming Technology Co. in IPR
`2025-00842 and IPR 2025-00843
` Area: Bone conduction headphones
` Law Firm: DLA Piper
`
`Expert for Røde v. Zaxcom in IPR 2025-00230, IPR 2025-00231, IPR 2025-0022
` Area: Wireless multitrack audio recording
` Law Firm: Dechert
`
`Expert for Dolby v. Roku in 5:24-cv-04660-EJD
`Area: Audio signal encoding and compression, codecs
`Law Firm: King & Spalding
`
`Expert for Dolby
` v. Roku in IPR 2024-01354
` Area: Audio signal encoding and compression, codecs
`Law Firm: Fish & Richardson
`
`Expert for Samsung in IPR 2024-01003, IPR 2024-01004, IPR 2024-01015, IPR 2024-
`01033, IPR 2024-01034 Samsung v. Staton Techiya
` Area: Noise suppression, voice activity detection, beamforming
` Law Firm: Arnold & Porter
`
`Expert for Meta v. 8KHZ in IPR 2023-01003, IPR 2023-01004, IPR 023-01005
` Area: Spatial Audio
` Law Firm: Allen & Overy and Paul Hastings
`
`Expert for The Nielsen Company v. TVision Insights in 1:22-cv-0057-CJB
`Area: Audio fingerprinting
`Law Firm: Kelley Drye & Warren
`
`Expert for Poly in case IPR 2022-01503, IPR 2022-01504, Plantronics/Polycom “Poly”
`v. Koss Corporation
` Area: Wireless headphones
` Law Firm: Winston & Strawn
`
`Expert for Samsung in case IPR 2022-00302, IPR 2022-00410 Samsung v. Staton
`Techiya, LLC
` Area: Headphones/Earphones
` Law Firm: Arnold & Porter
`
`Exhibit 1003
`Page 18 of 20
`
`
`
`
`
`
`
`Expert for Samsung in IPR 2022-00213, IPR 2022-00865 Samsung v. Jawbone
` Area: Noise suppression, voice activity detection, beamforming
` Law Firm: Arnold & Porter
`
`Expert for Google in Case No. 2:21-cv-124-JRG Vocalife v. Google LLC
` Area: Noise suppression, beamforming, echo cancellation
` Law Firm: Munger, Tolles & Olson
`
`Expert for Google in Case No. 3:20-cv-00881-ADA Sonos v. Google LLC
` Area: Audio signal processing
` Law Firm: QuinnEmanuel
`
`Expert for Google in Case No. 6:20-cv-03845-EMC Google LLC v. Sonos
` Area: Audio signal processing
` Law Firm: QuinnEmanuel
`
`Expert for Apple in Case IPR 2020-00204 Apple v. Maxell
` Area: Mobile device audio
` Law Firm: O’Melveny
`
`Expert for Google in case T-952-20, Google LLC vs Sonos, Inc. (Canada)
` Area: Noise suppression and echo cancellation
`Law firm: Goodmans LLP
`
`Expert for Samsung in IPR 2019-00105 Kurtz v. Samsung
` Area: Earphones
` Law Firm: DLA
`
`Expert for Navistar in Case No. 2:19-cv-00403-JRG Blitzsafe v. Navistar
` Area: Bluetooth and USB audio
` Law Firm: DLA
`
`Expert for Samsung in Case No. 2:19-cv-00387-JRG Snik LLC v. Samsung Electronics
` Area: Headphones/Earphones
` Law Firm: Arnold&Porter
`
`Expert for Daimler AG in IPR 2018-01211, IPR 2018-01209 Daimler v. Blitzsafe
` Area: Bluetooth and USB audio
` Law Firm: QuinnEmanuel
`
`Expert for Subaru in Case No. 2:17-cv-00421-JRG-RSP Blitzsafe v. Subaru
` Area: Bluetooth and USB audio
` Law Firm: DLA
`
`Exhibit 1003
`Page 19 of 20
`
`
`
`
`
`
`
`Expert for Samsung in Case No. 2:17-cv-7665 Kurtz v. Samsung
` Area: Earphones
` Law Firm: DLA
`
`
`Expert for Hyundai-Kia in IPR 2016-01533, IPR 2016-01557 Hyundai-Kia v. Blitzsafe
` Area: Bluetooth and USB audio
` Law Firm: DLA
`
`Expert for Hyundai-Ki