Immersive Sound

Contributors

Foreword

WIESLAW WOSZCZYK

Acknowledgements

Introduction

AGNIESZKA ROGINSKA AND PAUL GELUSO

1 Perception of Spatial Sound

ELIZABETH M. WENZEL, DURAND R. BEGAULT, AND MARTINE GODFROY-COOPER

• Auditory Physiology


• Human Sound Localization


• Head-Related Transfer Functions (HRTFs) and Virtual Acoustics


• Neural Plasticity in Sound Localization


• Distance and Environmental Context Perception


• Conclusion

2 History of 3D Sound

BRAXTON BOREN

• Introduction


• Prehistory


• Ancient History


• Space and Polyphony


• Spatial Separation in the Renaissance


• Spatial Innovations in Acoustic Music


• 3D Sound Technology


• Technology and Spatial Music


• Conclusions and Thoughts for the Future

3 Stereo

PAUL GELUSO

• Stereo Systems


• Creating a Stereo Image


• Stereo Enhancement


• Summary

4 Binaural Audio Through Headphones

AGNIESZKA ROGINSKA

• Headphone Reproduction


• Binaural Sound Capture


• HRTF Measurement


• Binaural Synthesis


• Inside-the-Head Locatedness


• Advanced HRTF Techniques


• Quality Assessment


• Binaural Reproduction Methods


• Headphone Equalization and Calibration


• Conclusions


• Appendix: Near Field

5 Binaural Audio Through Loudspeakers

EDGAR CHOUEIRI

• Introduction


• The Fundamental XTC Problem


• Constant-Parameter Regularization


• Frequency-Dependent Regularization


• The Analytical BACCH Filter


• Individualized BACCH Filters


• Conclusions


• Appendix A Derivation of the Optimal XTC Filter


• Appendix B: Numerical Verification

6 Surround Sound

FRANCIS RUMSEY

• The Evolution of Surround Sound


• Surround Sound Formats


• Surround Sound Delivery and Coding


• Surround Sound Monitoring


• Surround Sound Recording Techniques


• Perceptual Evaluation


• Predictive Models of Surround Sound Quality

7 Height Channels

SUNGYOUNG KIM

• Background


• Fundamental Psychoacoustics of Height-Channel Perception


• Multichannel Reproduction Systems With Height Channels


• Recording With Height Channels


• Conclusion

8 Object-Based Audio

NICOLAS TSINGOS

• Introduction


• Spatial Representation and Rendering of Audio Objects


• Advanced Metadata and Applications of Object-Based Representations


• Managing Complexity of Object-Based Content


• Audio Object Coding


• Capturing Audio Objects


• Tradeoffs of Object-Based Representations


• Object-Based Loudness Estimation and Control


• Object-Based Program Interchange and Delivery


• Conclusion

9 Sound Field

ROZENN NICOL

• Introduction


• Development of the Sound Field


• Higher Order Ambisonics (HOA)


• Sound Field Synthesis


• Sound Field Formats


• Conclusion


• Appendix A: Mathematics and Physics of Sound Field


• Appendix B: Mathematical Derivation of W, X, Y, Z


• Appendix C: The Optimal Number of Loudspeakers

10 Wave Field Synthesis

THOMAS SPORER, KARLHEINZ BRANDENBURG, SANDRA BRIX, AND CHRISTOPH

SLADECZEK

• Motivation and History


• Separation of Sound Objects and Room


• WFS Reproduction: Challenges and Solutions


• WFS With Elevation


• Audio Metadata and WFS


• Applications Based on WFS and Hybrid Schemes


• WFS and Object-Based Sound Production

11 Applications of Extended Multichannel Techniques

BRETT LEONARD

• Source Panning and Spreading


• An Immersive Overhaul for Preexisting Content


• Considerations in Mixing for Film and Games


• Envelopment


• Musings on Immersive Mixing

Index