MODULE ONE PRINCIPLE OF MUSIC & SOUND . Fullness versus Thinness 22 Introduction 1 . Spaciousness 22 Complex Sounds (1) 1 . Nearness 22 Basic Properties of Simple Sounds 2 . Absence of Extraneous Complex Sounds (2) 3 Sounds 23 Phase 3 . Loudness 23 Spectrum 5 Hearing or Vision 23 Sound Species 6 Stereophonic Imaging 23 . Periodic 6 Nature of the Difference . Percussive 6 between Two Channels 26 . Synthesized 7 . Time Difference 26 Dimension of Sound 7 . Sound Effects 27 Sound Reflection and Absorption 8 . Two Independent Channel Interference 8 Usage 28 Diffraction 11 . Effect of Listener Position 28 Refraction 12 . Stereo Image Quality and Resonance 14 Spaciousness 28 Hearing 15 . Special Role of the . Anatomy of the Ear 15 Loudspeaker 28 Psycho-acoustics and the Dimension Sound in Rooms 29 of Hearing 17 . Precedence Effect and the . Loudness 17 Law of the First Wavefront 29 . Loudness as a Function of . Binaural Discrimination 29 Frequency and Amplitude 18 ____________________________________ . Loudness as a Function of Bandwidth 18 MODULE TWO . Loudness as a Function of ARCHITECTURAL Duration 18 ACOUSTIC . Measuring the Loudness of PRINCIPLES ` Complex Sounds 18 Masking 19 Sound Spectrum 31 . Simultaneous Masking 19 Propagation 32 . Temporal Masking 19 Directivity 32 Acoustic Reflex 20 Sound Buildup within A Space 32 Pitch 20 Sound Absorption 32 Timber, Sound Quality and Friction Absorption 33 Perceptual Dimension 21 Resonant Panels 33 . Clarity or Definition 21 Cavity Resonators 34 . Sharpness or Hardness Reverberation 34 versus Softness 22 Reverberation Time 35 . Brightness versus Darkness 22 Analog & Digital Sounds 36

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