Introduction -- Analyses of Temporal Factors of a Source Signal -- Formulations and Simulation of the Sound Field -- Model of Auditory-Brain System -- Temporal- and Spatial-Primary Percepts of the Sound and the Sound Field -- Theory of Subjective Preference for the Sound Field -- Examination of Subjective Preference Theory in an Existing Opera House -- Reverberance of the Sound Field -- Improvements of Subjective Prefences for Listeners and Performers -- Optimizing Room-Form -- Visual Temporal Sensations on the Stage Blending with Opera and Music -- Design Theory of Opera House Stage Persisting Individual Creations -- Appendix Appendix Comparison between Measured Orthogonal Factors Using a Dummy Head and Four Human-Real Heads.