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 Professor Choueiri’s lecture on Spatial Audio and it’s modern applications.

This lecture directly references chapter (8) in the Immersive Sound textbook, where Professor Choueiri takes us on a deep dive on our IP #1: Binaural Audio over Loudspeakers. You can get the book below.

BACCH Labs’ 60+ Intellectual Property Items

8 Patents

 

Including 3D Sound for Speakers and Headphones, Multi-Listener Sweet Spots, HRTF Personalization, Room-Scale Virtual Reality, Enhanced Surround Sound, and more.

25 Proprietary Algorithms

 

Including 3D filter designers, Mono Correction, Listening Room Emulation, Head-tracked Navigation, Higher Order Ambisonics Decoding, 3D mixing, and much more.

25 Software Packages + Apps

 

Including the award-winning 3D rendering software BACCH-dSP, BACCH software packages for Kalimba, ADAU, Alsa, and Hexagon, SDKs for Android, Apple and Windows, BACCH Android and Apple Demo Apps, Surround Sound Personalization, Multi-Channel Extraction, and much more.

2 Hardware Packages

 

Including best-in-class BACCH Binaural Microphones (BM Pro), and an automated Sweet Spot Test System.

 

IP List

    1. BACCH 3D Sound (for speakers)

    2. BACCH-HP (3D for headphones)

    3. BACCH IRNR (Impulse Response Measurement with Noise Rejection)

    4. BACCH-SFN (Sound Field Navigation)

    5. MAHHLER (Multi-Listener Audio with High Isolation Delivery)

    6. BACCH-AHI (Adaptive HRTF Individualization)

    7. BACCH-RVR (Room-scale Virtual Reality)

    8. BACCH-ESS (Enhanced Surround Sound)

  • 09. BACCH-HEADS (HRTF Extractor using a Database of Spherical-Harmonic-Correlated Measurements and Head Scans)

    10. BACCH-CTD (Characterization of Transducer Directivity)

    11. BACCH-BFD (BACCH Filter Designer)

    12. BACCH-ABFD (Automatic BACCH™ Filter Designer)

    13. BACCH-X (Multiple Sweet Spot Audio Delivery Using Phase Array)

    14. BACCH-RHD (Robust Head-related Impulse Response Densification)

    15. BACCH-ZfSC (Zipper-noise-free Sliding Convolution)

    16. .bac File Format (Encrypted File Format for Proprietary FIR Filters)

    17. BACCH-HEQ (Headphones Equalization)

    18. BACCH-HNfE (HRTF Near-field Extension

    19. BACCH-LyRE (Listening Room Emulation)

    20. BACCH-MCC (Mono Component Correction)

    21. BACCH-DiFEQ (Diffuse Field Equalization)

    22. BACCH-BMC (Binaural Microphone Calibration)

    23. u-BACCH (Universal BACCH™ Filter)

    24. BACCH-Htap (Head-Tracked Audio Processor)

    25. BACCH-HTRC (Head-Tracked Room Correction)

    26. BACCH-VLS (Virtual Loudspeakers)

    27. BACCH-3dm (3D Mixer)

    28. BACCH-TRJ (3D Trajectory designer)

    29. BACCH-HT-Nav (Head-tracked Navigation)

    30. BACCH-HOA (Higher Order Ambisonics)

    31. BACCH-hs^3 (Head-Steered Sound Spotlight)

    32. BACCH-sme (Stereo Mic Emulation)

    33. BACCH-BM Pro (In-ear Binaural Microphone)

  • 34. BACCH-dSP (desktop Signal Processor)

    35. BACCHp Plug-in (Sliding Convolver Plug-in)

    36. BACCH AHI (Adaptive HRTF Individualizer application)

    37. BACCH Ba1 format (A container with all of the information to perform BACCH 3D rendering in a particular device)

    38. BACCH Device Library (Library of measured filters)

    39. BACCH Core Library (A monolithic-to-the-customer library that supports processing all signal flows requested by Ba1 file)

    40. BACCH API (The Application Programming Interface to the BACCH Core Library)

    41. Compressor (Single-band and multi-band compressors)

    42. S-BACCH (Software-as-a-Service BACCH)

    43. BACCH4Kalimba

    44. BACCH4ADAU

    45. BACCH4ALSA

    46. BACCH4Hexagon

    47. Raspberry Pi Demo with HiFiBerry

    48. Beagleboard Demo and HDK

    49. BACCH SDK for Android

    50. BACCH SDK for Apple

    51. BACCH SDK for Windows

    52. BACCH Android Demo App

    53. BACCH Apple Demo App

    54. BACCH IMU Demo (Head tracking with MetaMotionR IMU (Inertial Measurement Unit) App Module)

    55. AOSP Build (for Nexus 6P)

    56. Surround Sound Virtualization

    57. BACCH Unity Plug-Ins (BACCH Unity Plug-Ins, covers Spatializer, Effects, and Surround Sound Support)

    58. Multi-Channel Extraction