Concert Hall Acoustics

1. Introduction.- 2. Sound Transmission Systems.- 2.1 Source Signals in Terms of the Autocorrelation Function.- 2.2 Reflection from Finite Surfaces.- 2.3 Reflection from a Periodic Structure of a Wall.- 2.4 Scattering by Diffusing Walls.- 2.5 Physical Hearing System.- 2.6 Nervous System.- 3. Simulation of Sound Fields.- 3.1 Signals at Both Ears.- 3.2 Simulation of Sound Localization.- 3.3 Simulation of Sound Fields in Concert Halls.- 4. Subjective Preference Judgments.- 4.1 Linear Scale Value of Preference.- 4.2 Sound Fields with Single and Multiple Early Reflections.- 4.3 Sound Fields with Early Reflections and Subsequent Reverberation.- 5. Prediction of Subjective Preference in Concert Halls.- 5.1 Model of Auditory Pathways.- 5.2 Optimum Design Objectives.- 5.3 Theory of Subjective Preference.- 5.4 Calculating Subjective Preference for a Concert Hall.- 6. Design Study.- 6.1 Walls and Ceiling.- 6.2 Floor and Seats.- 6.3 Stage Enclosure.- 6.4 Concert Halls.- 7. Acoustic Test Techniques for Concert Halls.- 7.1 Transfer Function or Impulse Response Measurements.- 7.2 Reverberation.- 7.3 Interaural Cross Correlation.- 7.4 Subjective Preference Judgments of Sound Fields in Existing Concert Halls.- Appendices.- A. Subjective Diffuseness.- B. An Example of Individual Difference in Preference Judgment.- C. Perception of Coloration.- D. Correlation Functions at Both Ears.- E. Computation Programs for the Fast Method of Measuring Impulse Responses (Computer: Univac 1100/83; ASCII FORTRAN Compiler, ANSI STANDARD X3.9 -1978).- Glossary of Symbols.- References.