Parametric time frequency domain spatial audio 1st Edition by Ville Pulkki, Symeon Delikaris Manias, Archontis Politis ISBN 9781119252610 111925261X

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ISBN 10: 111925261X
ISBN 13: 9781119252610
Author: Ville Pulkki, Symeon Delikaris Manias, Archontis Politis

Parametric time frequency domain spatial audio 1st Edition Table of contents:

Part I Analysis and Synthesis of Spatial Sound

1 Time–Frequency Processing: Methods and Tools

1.1 Introduction

1.2 Time–Frequency Processing

1.3 Processing of Spatial Audio

Note

References

2 Spatial Decomposition by Spherical Array Processing

2.1 Introduction

2.2 Sound Field Measurement by a Spherical Array

2.3 Array Processing and Plane-Wave Decomposition

2.4 Sensitivity to Noise and Standard Regularization Methods

2.5 Optimal Noise-Robust Design

2.6 Spatial Aliasing and High Frequency Performance Limit

2.7 High Frequency Bandwidth Extension by Aliasing Cancellation

2.8 High Performance Broadband PWD Example

2.9 Summary

2.10 Acknowledgment

References

3 Sound Field Analysis Using Sparse Recovery

3.1 Introduction

3.2 The Plane-Wave Decomposition Problem

3.3 Bayesian Approach to Plane-Wave Decomposition

3.4 Calculating the IRLS Noise-Power Regularization Parameter

3.5 Numerical Simulations

3.6 Experiment: Echoic Sound Scene Analysis

3.7 Conclusions

Appendix

References

Part II Reproduction of Spatial Sound

4 Overview of Time–Frequency Domain Parametric Spatial Audio Techniques

4.1 Introduction

4.2 Parametric Processing Overview

References

5 First-Order Directional Audio Coding (DirAC)

5.1 Representing Spatial Sound with First-Order B-Format Signals

5.2 Some Notes on the Evolution of the Technique

5.3 DirAC with Ideal B-Format Signals

5.4 Analysis of Directional Parameters with Real Microphone Setups

5.5 First-Order DirAC with Monophonic Audio Transmission

5.6 First-Order DirAC with Multichannel Audio Transmission

5.7 DirAC Synthesis for Headphones and for Hearing Aids

5.8 Optimizing the Time–Frequency Resolution of DirAC for Critical Signals

5.9 Example Implementation

5.10 Summary

References

6 Higher-Order Directional Audio Coding

6.1 Introduction

6.2 Sound Field Model

6.3 Energetic Analysis and Estimation of Parameters

6.4 Synthesis of Target Setup Signals

6.5 Subjective Evaluation

6.6 Conclusions

Note

References

7 Multi-Channel Sound Acquisition Using a Multi-Wave Sound Field Model

7.1 Introduction

7.2 Parametric Sound Acquisition and Processing

7.3 Multi-Wave Sound Field and Signal Model

7.4 Direct and Diffuse Signal Estimation

7.5 Parameter Estimation

7.6 Application to Spatial Sound Reproduction

7.7 Summary

Notes

References

8 Adaptive Mixing of Excessively Directive and Robust Beamformers for Reproduction of Spatial Sound

8.1 Introduction

8.2 Notation and Signal Model

8.3 Overview of the Method

8.4 Loudspeaker-Based Spatial Sound Reproduction

8.5 Binaural-Based Spatial Sound Reproduction

8.6 Conclusions

References

9 Source Separation and Reconstruction of Spatial Audio Using Spectrogram Factorization

9.1 Introduction

9.2 Spectrogram Factorization

9.3 Array Signal Processing and Spectrogram Factorization

9.4 Applications of Spectrogram Factorization in Spatial Audio

9.5 Discussion

9.6 Matlab Example

Note

References

Part III Signal-Dependent Spatial Filtering

10 Time–Frequency Domain Spatial Audio Enhancement

10.1 Introduction

10.2 Signal-Independent Enhancement

10.3 Signal-Dependent Enhancement

References

11 Cross-Spectrum-Based Post-Filter Utilizing Noisy and Robust Beamformers

11.1 Introduction

11.2 Notation and Signal Model

11.3 Estimation of the Cross-Spectrum-Based Post-Filter

11.4 Implementation Examples

11.5 Conclusions and Further Remarks

11.6 Source Code

Note

References

12 Microphone-Array-Based Speech Enhancement Using Neural Networks

12.1 Introduction

12.2 Time–Frequency Masks for Speech Enhancement Using Supervised Learning

12.3 Artificial Neural Networks

12.4 Mask Learning: A Simulated Example

12.5 Mask Learning: A Real-World Example

12.6 Conclusions

12.7 Source Code

Notes

References

Part IV Applications

13 Upmixing and Beamforming in Professional Audio

13.1 Introduction

13.2 Stereo-to-Multichannel Upmix Processor

13.3 Digitally Enhanced Shotgun Microphone

13.4 Surround Microphone System Based on Two Microphone Elements

13.5 Summary

References

14 Spatial Sound Scene Synthesis and Manipulation for Virtual Reality and Audio Effects

14.1 Introduction

14.2 Parametric Sound Scene Synthesis for Virtual Reality

14.3 Spatial Manipulation of Sound Scenes

14.4 Summary

References

15 Parametric Spatial Audio Techniques in Teleconferencing and Remote Presence

15.1 Introduction and Motivation

15.2 Background

15.3 Immersive Audio Communication System (ImmACS)

15.4 Capture and Reproduction of Crowded Acoustic Environments

15.5 Conclusions

Notes

References

Index

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Ville Pulkki,Symeon Delikaris Manias,Archontis PolitisParametric,time frequency,domain spatial audio