Jean-Marc Jot
Background and publications
Background
Virtuel Works -- overview (2024)
iZotope -- technology overview (2022)
DTS -- DTS:X | Virtual:X | Headphone:X
Creative -- OpenAL | EAX | Sound Blaster
IRCAM -- Spat | introduction | reference
Education -- Télécom Paris (doctorate) | ENSTA Paris (electrical engineering)
Patents: please scroll to bottom.
Selected publications and presentations
Digital audio effects | Artificial reverberation | Feedback Delay Networks (FDN) | Energy Decay Relief (EDR)
J.-M. Jot and A. Chaigne, "Digital Delay Networks for Designing Artificial Reverberators," 90th Conv. Audio Engineering Society (1991 Feb.).
J.-M. Jot, "An Analysis/Synthesis Approach to Real-Time Artificial Reverberation," IEEE ICASSP International Conf. Acoustics, Speech and Signal Processing (1992 March).
J. Laroche and J.-M. Jot, "Analysis/Synthesis of Quasi-Harmonic Sounds by Use of the Karplus-Strong Algorithm," 2nd French Congress on Acoustics (1992 April). paper
J.-M. Jot, Étude et réalisation d'un spatialisateur de sons par modèles physiques et perceptifs, Doctoral dissertation (in French), Telecom Paris (1992 Sept.).
J.-M. Jot, "Efficient Models for Reverberation and Distance Rendering in Computer Music and Virtual Audio Reality," ICMC International Computer Music Conf. (1997 Sept.). [Paper award] paper
J.-M. Jot, L. Cerveau, and O. Warusfel, "Analysis and Synthesis of Room Reverberation Based on a Statistical Time-Frequency Model," 103rd Conv. Audio Engineering Society (1997 Sept.). paper
[Reprinted in Spatial Sound Techniques, Part 1, ed. Durand R. Begault.]L. Dahl and J.-M. Jot, "A Reverberator Based on Absorbent All-Pass Filters," DAFx International Conf. Digital Audio Effects (2000 Dec.). paper
M. Walsh, E. Stein, and J.-M. Jot, "Adaptive Dynamics Enhancement," 130th Conv. Audio Engineering Society (2011 Oct.).
J.-M. Jot, B. Smith and J. Thompson, "Dialog Control and Enhancement in Object-Based Audio Systems," 139th Conv. Audio Engineering Society (2015 Oct.).
R. Oliver and J.-M. Jot, "Efficient Multi-Band Digital Audio Graphic Equalizer with Accurate Frequency Response Control," 139th Conv. Audio Engineering Society (2015 Oct.). poster
J.-M. Jot, "Proportional Parametric Equalizers – Application to Digital Reverberation and Environmental Audio Processing," 139th Conv. Audio Engineering Society (2015 Oct.).
J.-M. Jot, "Efficient Reverberation Rendering for Complex Interactive Audio Scenes," DAFx International Conf. Digital Audio Effects (2017 Sept.). [Keynote] slides video
P. Murgai, M. Rau, and J.-M. Jot, "Blind Estimation of the Reverberation Fingerprint of Unknown Acoustic Environments," 143rd Conv. Audio Engineering Society (2017 Oct.). paper
R. Audfray, J.-M. Jot, S. Dicker, "Practical Realization of Dual-Shelving Filter Using Proportional Parametric Equalizers," 145th Conv. Audio Engineering Society (2018 Oct.).
Spatial audio reproduction | Binaural/transaural 3D audio rendering over headphones and loudspeakers (in Creative SoundBlaster, DTS Virtual:X/Headphone:X, Magic Leap Soundfield Audio (MSA))
J.-M. Jot, O. Warusfel, E. Kahle, and M. Mein, "Binaural Concert Hall Simulation in Real Time," IEEE Workshop on Applications of Digital Signal Processing to Audio and Acoustics (1993 Oct.). paper
M. Marin, A. Gilloire, J. Lacoume, O. Warusfel, J.-M. Jot, "Environnement de Simulation pour l'Evaluation Psychoacoustique des Systèmes de Prise et de Restitution du Son dans un Contexte de Téléconférence," 3rd French Congress on Acoustics (1994 May). paper
J.-M. Jot, V. Larcher, and O. Warusfel, "Digital Signal Processing Issues in the Context of Binaural and Transaural Stereophony," 98th Conv. Audio Engineering Society (1995 Feb.). paper
[Reprinted in Spatial Sound Techniques, Part 1, ed. Durand R. Begault.]J.-M. Jot, S. Wardle, and V. Larcher, "Approaches to binaural synthesis," 105th Conv. Audio Engineering Society (1998 Sept.). [Invited]
V. Larcher, J.-M. Jot, and G. Vandernoot, "Equalization Methods in Binaural Technology," 105th Conv. Audio Engineering Society (1998 Sept.).
J.-M. Pernaux, P. Boussard, J.-M. Jot, "Virtual Sound Source Positioning and Mixing in 5.1. Implementation on the Real-Time System Genesis," DAFx International Conf. Digital Audio Effects (1998 Nov.). paper
J.-M. Jot, V. Larcher, J.-M. Pernaux, "A Comparative Study of 3-D Audio Encoding and Rendering Techniques," 16th International Conf. Audio Eng. Society (1999 March). [Invited]
[Reprinted in Spatial Sound Techniques, Part 2, ed. Francis Rumsey]V. Larcher, J.-M. Jot, J. Guyard, and O. Warusfel, "Study and Comparison of Efficient Methods for 3-D Audio Spatialization Based on Linear Decomposition of HRTF Data," 108th Conv. Audio Engineering Society (2000 Feb.).
A. Jost and J.-M. Jot, "Transaural 3-D Audio With User-Controlled Calibration," DAFx International Conf. Digital Audio Effects (2000 Dec.). paper
V. Larcher, J.-M. Jot, and O. Warusfel, "Individualization of HRTF by Spectral Warping," International Congress on Acoustics (2001 Sept.).
M. Walsh and J.-M. Jot, "Loudspeaker-Based 3-D Audio System Design Using the M-S Shuffler Matrix," 121st Conv. Audio Engineering Society (2006 Oct.).
J.-M. Jot and M. Walsh, "Center-Channel Processing In Virtual 3-D Audio Reproduction over Headphones or Loudspeakers," 128th Conv. Audio Engineering Society (2010 May.).
J.-M. Jot and D. Noh, "Efficient Structures for Virtual Immersive Audio Processing," 143rd Conv. Audio Engineering Society (2017 Oct.). paper
S. Crawford, R. Audfray, J.-M. Jot, "Quantifying HRTF Spectral Magnitude Precision in Spatial Computing Applications," Audio Eng. Soc. Conference on Audio for Virtual and Augmented Reality (2020 Aug.). paper
J.-M. Jot, A. Lukin, K. J. Werner, E. Allen, "Binaural Audio Externalization Processing," 151st Conv. Audio Engineering Society (2021 Oct.). slides demo
J.-M. Jot, A. Lukin, C. Landschoot, "Binaural Externalization Processing - from Stereo to Object-Based Audio," 153rd Conv. Audio Engineering Society (2022 Oct.). paper
J.-M. Jot, C. Landschoot, E. Vickers, "Externalized Binaural Rendering," 155th Conv. Audio Engineering Society (2023 Oct.).
J.-M. Jot, H. Bahu, A. Roginska, E. Choueiri, K. Sunder, Y. Lee, "Standardizing HRTF Datasets," 155th Conv. Audio Engineering Society (2023 Oct.). slides
J.-M. Jot, "On the Spatial Perception of Concurrent Free-Field and Diffuse-Field Components of a Sound Event," NYU Immersive Audio Group meeting (2024 Feb.). slides
J.-M. Jot, "Externalization in Object-Based Binaural Rendering," Audio Eng. Soc. Conf. on Audio for Virtual and Augmented Reality (2024 Aug.). slides
Interactive 3D audio for computer music, games, VR, AR | IRCAM Spat, MPEG-4 v.2 Advanced Audio BIFS | Creative EAX, OpenAL, I3DL2 | Magic Leap Soundfield Audio (MSA)
J.-M. Jot and O. Warusfel, "Spat~: a Spatial Processor for Musicians and Sound Engineers," CIARM'95 Conf. (1995 May). paper
J.-M. Jot and O. Warusfel, "Le Spatialisateur," GRAME Conf. "Le Son et L'Espace" (1995). paper
J.-M. Jot, T. Caulkins, and R. Gottfried, Spat - Introduction, IRCAM (1995, revised 2006). report
J.-M. Jot, T. Caulkins, and R. Gottfried, Spat - Reference Manual, IRCAM (1995, revised 2006). report
J.-M. Jot, "Synthesizing 3-D Sound Scenes in Audio or Multimedia Production and Interactive Human-Computer Interfaces," 5th Conf. Interface to Real & Virtual Worlds (1996 May) paper
J.-M. Jot, "Real-Time Spatial Processing of Sounds for Music, Multimedia and Interactive Human-Computer Interfaces," ACM Multimedia Systems (1999 Jan). [Invited] paper
J.-M. Jot et al., Interactive 3D Audio Rendering Guidelines - Level 2.0 (a.k.a. I3DL2), Interactive Audio Special Interest Group (Oct. 1999).
J.-M. Jot, "Advanced Audio BIFS: Environmental Spatialization of Audio in MPEG-4 version 2," 108th Conv. Audio Engineering Society (Feb 2000). slides
J.-M. Jot, "Proposal for IA-SIG 3D Audio Rendering Guideline Level 3 (I3DL3)," IA-SIG 3D audio workgroup meeting (2000). slides
J.-M. Jot, "Efficient Models for Interactive Environmental Audio Spatialization," DAFx International Conf. Digital Audio Effects (2000 Dec.) [Invited] slides
J.-M. Jot. "Perceptual and Statistical Models for Virtual Audio Environments," ACM Campfire: Acoustic Rendering for Virtual Environments (2001 May). [Invited]
J.-M. Trivi and J.-M. Jot, "Rendering MPEG-4 AABIFS Content Through a Low-level Cross-platform API,” IEEE ICME International Conf. Multimedia & Expo (2002 Aug.).
T. Funkhouser, J.-M. Jot and N. Tsingos, "Sounds Good to Me! Computational Sound for Graphics, VR, and Interactive Systems,” SIGGRAPH Course Notes (2002 July). paper
T. Funkhouser, J.-M. Jot and N. Tsingos, "Survey of Methods for Modeling Sound Propagation in Interactive Virtual Environment Systems," Presence (2003). paper
J.-M. Jot and J-.M. Trivi, "Scene Description Model and Rendering Engine for Interactive Virtual Acoustics,” 120th Conv. Audio Engineering Society (2006 May).
J.-M. Jot, M. Walsh and A. Philp, "Binaural Simulation of Complex Acoustic Scenes for Interactive Audio," 121st Conv. Audio Engineering Society (2006 Oct.).
J.-M. Jot, "Efficient Description and Rendering of Complex Interactive Acoustic Scenes", DAFx International Conference (2007 Oct.). [Keynote] summary
J.-M. Jot, "Interactive 3D Audio Rendering in Flexible Playback Configurations,” IEEE APSIPA Conf. (2012 Dec.). [Invited]
J.-M. Jot, "Immersive Audio Processing and Effects for Games," 139th Conv. Audio Engineering Society (2015 Oct.). slides
J.-M. Jot, "Environmental Audio Effects in Games, VR and AR," Audio Eng. Soc. 61st Conf. - Audio for Games (2016 Feb.).
J.-M. Jot and Keun Sup Lee, "Augmented Reality Headphone Environment Rendering," Audio Eng. Soc. Conf. on Audio for Virtual and Augmented Reality (2016 Oct.).
J.-M. Jot, "Augmented Reality Headphone Reverberation," Seminar at IRCAM, Paris (2017 Jan.). slides video
J.-M. Jot, "Augmented Reality Headphone Reverberation," DSP Seminar at CCRMA, Stanford Univ. (2017 Feb.). slides
J.-M. Jot, "Room-Adaptive Headphone 3D Audio," 143rd Conv. Audio Engineering Society (2017 Oct.). slides
J.-M. Jot, "Towards 6-DoF XR Audio," Immersive Experience IX Symposium (2018 June). slides
J.-M. Jot, "Unleashing Wearable 3D Audio," Audio Eng. Soc. Conference on Audio for Virtual and Augmented Reality (2018 Aug.). [Keynote] slides video
J.-M. Jot, "Unleashing Wearable 3D Audio," Magic Leap blog (2018 Sept.).
J.-M. Jot, "They Are Hear: Spatial Computing in Wearable Audio Appliances," Project Bar-B-Q conference (2018 Oct.). [Keynote] slides
R. Audfray, J.-M. Jot, S. Dicker, "Audio Application Programming Interface for Mixed Reality," 145th Conv. Audio Engineering Society (2018 Oct.). paper
O. Kadel, J. Gerrard, O. Boteas, G. Jacuzzi, J.-M. Jot, "Audio Design for Mixed Reality Applications," Audio Eng. Soc. Convention panel hosted by Sennheiser (2019 March). video
R. Audfray, J.-M. Jot, "Reverberation Loudness Model for Mixed-Reality Audio," Audio Eng. Soc. Conference on Headphone Technology (2019 Aug.).
J.-M. Jot, "A Journey in Spatial Audio Research & Technology Innovation", Cal Poly Audio Eng. Soc. talk (2021 Apr.). slides
J.-M. Jot, R. Audfray, M. Hertensteiner, B. Schmidt, "Rendering Spatial Sound for Interoperable Experiences in the Audio Metaverse," International Conf. Immersive and 3D Audio - I3DA (2021 Sep.). paper
J.-M. Jot, R. Audfray, M. Hertensteiner, "Spatial Audio Rendering for Interoperable XR Applications in the Audio Metaverse," 151st Conv. Audio Engineering Society (2021 Oct.). slides
J.-M. Jot, "Spatial Audio: From Screen-Based to World-Based with AR and VR," Game Developer Conference (2023 March). slides
J.-M. Jot, "Envisioning a Future Music and Audio Metaverse," IRCAM Forum Workshops (2023 March). [Keynote] slides
J.-M. Jot, "6-DoF Spatial Audio Rendering of Complex Scenes," 154th Conv. Audio Engineering Society (2023 Apr.). slides
T. Carpentier, O. Warusfel, J.-M. Jot, "Software Tools for Flexible Control of Radiation Synthesis," International Conf. Immersive and 3D Audio - I3DA (2023 Sep.). paper
J.-M. Jot, T. Carpentier, O. Warusfel, "Perceptually Motivated Spatial Audio Scene Description and Rendering for 6-DoF Immersive Music Experiences," International Conf. Immersive and 3D Audio - I3DA (2023 Sep.). paper slides
J.-M. Jot, "6-Degree-of-Freedom Spatial Audio for AR and VR," NYU Graduate Seminar in Music Technology (2023 Oct.). slides
J.-M. Jot, "On the Plausibility and Operability of Immersive Audio over Headphones," Audio Eng. Soc. Conf. on Audio for Virtual and Augmented Reality (2024 Aug.). slides
Multi-channel audio coding, upmix and format conversion | Spatial Audio Scene Coding (SASC) | Immersive object-based audio coding (DTS:X)
C. Avendano and J.-M. Jot, "Ambience Extraction and Synthesis from Stereo Signals for Multi-channel Audio Up-mix," IEEE ICASSP International Conf. Acoustics, Speech and Signal Processing (2002 April).
C. Avendano and J.-M. Jot, "Frequency Domain Techniques for Stereo to Multichannel Upmix," 22nd International Conf. Audio Eng. Society (2002 June).
J.-M. Jot and C. Avendano, "Spatial Enhancement of Audio Recordings," 23rd International Conf. Audio Engineering Society (2003 May). [Invited]
C. Avendano and J.-M. Jot, "A Frequency-Domain Approach to Multichannel Upmix," Journal of the Audio Engineering Society 52(7/8) (2004 July/Aug.).
M. M. Goodwin and J.-M. Jot, "A Frequency-domain Framework for Spatial Audio Coding Based on Universal Spatial Cues," 120th Conv. Audio Engineering Society (2006 May).
M. M. Goodwin and J.-M. Jot, "Analysis and Synthesis for Universal Spatial Audio Coding," 121st Conv. Audio Engineering Society (2006 Oct.).
M. M. Goodwin and J.-M. Jot, "Multichannel Surround Format Conversion and Generalized Upmix," 30th International Conf. Audio Engineering Society (2007 March).
M. M. Goodwin and J.-M. Jot, "Primary-Ambient Decomposition and Vector-Based Localization for Spatial Audio Coding and Enhancement," Proc. IEEE ICASSP 2007 Int. Conf. on Acoustics, Speech, and Signal Proc. (2007 Apr.).
M. M. Goodwin and J.-M. Jot, "Binaural 3-D Audio Rendering Based on Spatial Audio Scene Coding," 123rd Conv. Audio Engineering Society (2007 Oct.).
J.-M. Jot et al., "Spatial Audio Scene Coding in a Universal Two-Channel 3-D Stereo Format," 123rd Conv. Audio Engineering Society (2007 Oct.).
J. Merimaa, M. M. Goodwin, and J.-M. Jot, "Correlation-Based Ambience Extraction from Stereo Recordings," 123rd Conv. Audio Eng. Soc., preprint 7282 (2007 Oct.).
J.-M. Jot, "Prospects in Format-Agnostic Spatial Audio," 2nd SpACE-Net Spatial Audio Workshop (2008 Jan.). [Keynote]
M. M. Goodwin and J.-M. Jot, "Spatial Audio Scene Coding," 125th Conv. Audio Engineering Society (2008 Oct.).
J.-M. Jot, "Two-Channel Matrix Surround Encoding for Flexible Interactive 3-D Audio Reproduction," 125th Conv. Audio Engineering Society (2008 Oct.).
J. D. Johnston, J.-M. Jot, Z. Fejzo, and S. Hastings, "Beyond Coding - Reproduction of Direct and Diffuse Sounds in Multiple Environments," 129th Conv. Audio Eng. Soc. (2010 Nov.).
J.-M. Jot, "Next-Generation 3-D Audio – Creation, Transmission and Reproduction," ATSC Symposium on Next Generation Broadcast Television (2011 Feb.). slides
J.-M. Jot and Z. Fejzo, "Beyond Surround Sound - Creation, Coding and Reproduction of 3-D Audio Soundtracks," 131st Conv. Audio Engineering Society (2011 Oct.).
J.-M. Jot, "Enhancing the 3D TV Experience through Next-Generation 3D Audio Coding and Processing Technology," NAB Broadcast Engineering Conf. (2012 April). slides
J. Thompson, B. Smith, A. Warner, and J.-M. Jot, "Direct-Diffuse Decomposition of Multichannel Signals Using a System of Pairwise Correlations," 133rd Conv. Audio Engineering Society (2012 Oct.).
J.-M. Jot, "Object-Based Audio Content Authoring and Distribution for Interactive and Linear Soundtracks," 133rd Conv. Audio Engineering Society (2012 Oct.). slides
J.-M. Jot, "Multichannel 3D Audio Encoding and Reproduction," Forum International du Son Multicanal (2012 Nov.). slides
J.-M. Jot, "Object-Based Immersive Audio Content Format for Next-Generation Broadcast," IEEE Broadcast Symposium (2013 Oct.). slides
J.-M. Jot, "MDA – an Open Content Format for Next-Generation Immersive Audio," Forum International du Son Multicanal (2013 Nov.). slides
J.-M. Jot, "Object-Based Immersive Audio for Next-Generation Broadcast," NAB Broadcast Engineering Conf. (2014 April). slides
J.-M. Jot, "Next-Generation Immersive Audio Content Standard and Consumer Format," IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (2014 June). slides
J.-M. Jot, "DTS:X Next-Generation Consumer Audio Delivery Solution," AES 57th Conf. on The Future of Audio Entertainment Technology (2015 Feb.). slides
J.-M. Jot, B. Smith and J. Thompson, "Dialog Control and Enhancement in Object-Based Audio Systems," 139th Conv. Audio Engineering Society (2015 Oct.).
J.-M. Jot, "MDA – Open Standard for Immersive Audio Content Creation and Distribution," Immersive Experience IX Symposium (2016 June). slides
J.-M. Jot, "New immersive and object-based multichannel audio formats for cinema, entertainment and cinematic VR," IEEE SPS Chapter talk (2017 Apr.). [Invited] slides
J.-M. Jot et al., "A Spatial Audio Format with 6 Degrees of Freedom," Project Bar-B-Q Report (2017 Oct.). report
J.-M. Jot, "Objects of Immersion - Unlocking Musical Spaces," IRCAM Forum Workshops (2021 March). [Keynote] slides video
J.-M. Jot, "Creating for New Immersive Audio Delivery Formats," IRCAM Forum Workshops (2022 March). slides
J.-M. Jot, "A Unified Ecosystem for Music Creation and Production," NAMM Show (2022 June). slides
J.-M. Jot, "Towards Audio Presence - Challenges and Perspectives," AES/IEEE Webinar on Muti-channel Audio and Psychoacoustics (2022 Sept.). slides
J.-M. Jot, "Towards Audio Presence - Challenges and Perspectives" (expanded), NYU Graduate Seminar in Music Technology (2022 Oct.). slides
J.-M. Jot, "6-Degree-of-Freedom Immersive Audio for Broadcast and Linear Media," Silicon Valley Video Summit (2024 Jan.). slides
J.-M. Jot et al., "Upmix and Format Conversion of Multichannel Audio: An Opportunity for AI-Based Breakthroughs?" 157th Conv. Audio Engineering Society (2024 Oct.). slides
Patents
Method and system for artificial spatialisation of digital audio signals. US 5,491,754 (1992 March).
Method to simulate the acoustical quality of a room and associated audio-digital processor. US 5,812,674 (1995 Aug.).
Method and apparatus for three-dimensional audio display. US 7,231,054 (1998 Sept.).
Matrix encoding system with improved frequency behavior. US 6,453,047 (1998 Sept.).
Three-channel panning system. US 6,665,407 (1998 Sept.).
Environmental reverberation processor. US 6,188,769; US 6,917,686;US 7,561,699 (1998 Nov.).
Method and apparatus for multi-channel sound system calibration. US 6,798,889 (1999 Nov.).
Reverberation processor for interactive audio applications. US 6,978,027 (2000 April).
Reverberation processor based on absorbent all-pass filters. US 7,149,314 (2000 Dec.).
Method and apparatus for the simulation of complex audio environments. US 7,099,482 (2001 March).
Method and apparatus for audio loudness and dynamics matching. US 7,848,531 (2002 Jan.).
Ambience generation for stereo signals. US 7,567,845 (2002 June).
Stream segregation for stereo signals. US 7,257,231; US 7,315,624; US 8,019,093; US 8,280,077 (2002 June).
Ambience extraction and modification for enhancement and upmix of audio signals. US 7,412,380 (2003 Dec.).
Extracting and modifying a panned source for enhancement and upmix of audio signals. US 7,970,144 (2003 Dec.).
System and method for forming and rendering 3D MIDI messages. US 7,928,311; US 9,924,289 (2004 Dec.).
Spatial audio coding based on universal spatial cues. US 8,379,868 (2006 May).
3D audio renderer. US 8,488,796 (2006 Aug.).
Spatial audio enhancement processing method and apparatus. US 8,619,998; 10,299,056 (2006 Aug.).
Alias-free subband processing. US 9,496,850; 9,754,597 (2006 Aug.).
Phase-amplitude matrixed surround decoder. US 8,345,899 (2007 March).
Multichannel surround format conversion and generalized upmix. US 9,014,377 (2007 March).
Spatial audio analysis and synthesis for binaural reproduction and format conversion. US 8,374,365 (2007 Oct.).
Correlation-based method for ambience extraction from two-channel audio signals. US 8,107,631 (2008 Aug.).
Phase-amplitude 3-D stereo encoder and decoder. US 8,712,061 (2008 Oct.).
Distributed spatial audio decoder. US 9,697,844 (2009 Jan.).
Adaptive dynamic range enhancement of audio recordings. US 8,879,750 (2009 Oct.).
Virtual audio processing for loudspeaker or headphone playback. US 8,000,485 (2010 Apr.).
Spatial audio encoding and reproduction of diffuse sound. US 8,908,874; US 9,042,565; US 9,728,181 (2010 Sept.).
Dynamic compensation of audio signals for improved perceived spectral imbalances. US 9,391,579 (2010 Sept.).
Encoding and reproduction of three dimensional audio soundtracks. US 9,530,421 (2011 March).
Direct-diffuse decomposition. US 9,253,574 (2011 Sept.).
Object-based audio system using vector base amplitude panning. US 9,197,979 (2012 May).
System and method for estimating a reverberation time. US 9,386,373 (2012 July).
Object-based audio loudness management. US 10,063,207 (2014 Feb.).
System and method for capturing, encoding, distributing and decoding immersive audio. US 9,794,721; US 10,187,739 (2015 Jan.).
Multi-speaker method and apparatus for leakage cancellation. US 9,865,245; US 10,217,451; US 10,902,838; US 11,190,877 (2015 Aug.).
Dialog audio signal balancing in an object-based audio program. US 10,251,016 (2015 Oct.).
Spectral correction of audio signals. US 10,243,534 (2015 Oct.).
Augmented reality headphone environment rendering. US 10,038,967 (2016 Feb.).
Immersive audio reproduction systems. US 11,304,020 (2016 May).
Distributed audio virtualization systems. US 10,979,844 (2017 March).
Sweet spot adaptation for virtualized audio. US 10,728,683 (2017 Sept.).
Mixed reality spatial audio. US 10,616,705; 10,863,301 (2017 Oct.).
Index scheming for filter parameters. US 10,779,082; US 11,012,778 (2018 May).
Methods and systems for audio signal filtering. US 10,602,292; US 10,779,103 (2018 Jun.).
Spatial audio for interactive audio environments. US 10,735,884; US 10,863,300; US 10,952,010; US 11,770,671 (2018 Jun.).
Reverberation gain normalization. US 10,810,992; US 11,250,834; US 12,008,982 (2018 Jun.).
Low-frequency inter-channel coherence control. US 10,841,727; US 11,252,528 (2018 Jun.).
Near-field audio rendering. US 11,122,383 (2018 Oct.).
Voice onset detection. US 11,328,740 (2019 Aug.).
Reverberation fingerprint estimation. US 11,304,017 (2019 Oct.).
Physics-based audio and haptics synthesis. US 11,337,023 (2019 Dec.).
Environment acoustics persistence. US 2021/0176588, WO 2021/113781 (2019 Dec.).
Method of waking a device using spoken voice commands. US 11,917,384 (2020 March).
Immersive audio platform. US 11,627,428 (2020 March).
Pending (published applications)
Adaptive environmental noise compensation for audio playback. US 2011/0251704 (2010 April).
Distance determination using camera images. US 2020/0322747 (2017 Sept.).
Mixed reality virtual reverberation. US 2021/0084357 (2019 Feb.).
Environment acoustics persistence. WO 2021/113781 (2019 Dec.).
Active noise cancellation for wearable head device. WO 2023/076822 (2021 Oct.).
Microphone array geometry. WO 2023/064875 (2021 Oct.).
Acoustic playback waveguide for wearable XR glasses. WO 2023/076957 (2021 Oct.).
Sound field capture with headpose compensation. WO 2023/060050 (2021 Oct.).
Mapping of environmental audio response on mixed reality device. WO 2023/076823 (2021 Oct.).
Binaural externalization processing. WO 2024/081957 (2022 Oct.).
Reproducing spatial audio using binaural externalization processing extensions. WO 2024/206404 (2023 March.).