| Chapter 1 |
Reverberation and diffusion |
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Introduction; Sound rays, echoes and
reverberation; Chaotic interference of sound waves; Sound enhancement and
artificial reverberation; Subjective preferences; Sound diffusion; Conclusion. |
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| Chapter 2 |
Sound absorbing materials and sound absorbers
in enclosures |
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Introduction; Absorption of sound and
absorption coefficients; Sound absorption in enclosures; Relationship between
sound absorption and acoustic parameters in the enclosure; Sound absorbing
materials and sound absorbers; Active sound absorbers; Measurements of sound
absorption coefficients; Sabine sound absorption coefficients for some common
building materials and furnishings. |
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| Chapter 3 |
3-D Sound and auralization |
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Introduction; Basics of localization;
Auralization; Overview; Theory; Perception. |
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| Chapter 4 |
Fundamental subjective attributes of sound
fields based on the model of auditory-brain system |
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Model; Theory for pitch, loudness and
timbre; Spatial subjective attributes in relation to spatial factors extracted
from the inter-aural cross-correlation function; Subjective attributes in
relation to temporal factors extracted from the autocorrelation function
of sound signals; Calculations of speech intelligibility of each single
syllable in relation to the four orthogonal factors extracted from the ACF
of both source and sound-field signals; Appendix: Orthogonal factors of
sound fields. |
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| Chapter 5 |
The sound field for listeners in concert
halls and auditoria |
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Introduction; Sound levels in halls;
Spatial impression in halls; Conclusions. |
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| Chapter 6 |
Acoustics in churches: Introduction |
| |
The acoustics of different types of
churches; The sound field in Mudejar-Gothic churches with timber roofs;
Three acoustic rehabilitation projects in churches. |