Acoustics and Hearing (eBook)

Preface and General Introduction 6
Acknowledgements 9
Contents 12
Part I Head-Related Sound from Two Loudspeakers 15
1 Head-Related Stereophony 16
1.1 Introduction 16
1.2 Two Standard Stereophonic Methods 19
1.3 Surround Sound in a Living Room, Pre-experiment 25
1.4 Surround Sound in a Living Room, Main Experiment 31
1.5 Experiences with Common Stereo Recordings 33
1.6 Description of the Equipment 34
1.7 Conclusions 53
Part II The Hearing Process in Concert Halls 56
2 Powerful Onset of Reverberation 58
2.1 Introduction and Definitions of Terms 58
2.2 Sound Fields According to Haas 60
2.3 Drift Thresholds and Subjective Sound Distributions 63
2.4 Discussion of the Experimental Results 73
2.5 Relation to Reality 75
3 Definition of Diffuseness 78
3.1 Introduction 78
3.2 Diffusity versus Diffuseness 79
3.3 Computer Program for Defining Diffuseness 83
3.4 Application to the Onset of Reverberation 88
3.5 Simplified Measuring Scheme 89
4 Theory of Drift Thresholds 92
4.1 Law of the FirstWave Front 92
4.2 Calculating Time Functions of the Loudness 94
4.3 Loudness and Drift Thresholds 98
4.4 Reflections at Realistic Level Values 102
5 Loudness and Diffuseness 106
5.1 Introduction 106
5.2 Amounts of Neural Excitation 107
5.3 Loudness Diagram versus Impulse Response 108
5.4 Discussing Neural Excitation 109
5.5 Interaural Cross-correlation 114
5.6 Final Remarks 122
Summary 124
Appendix 126
References 130
Index 132