Hearing [Course Section Number] [Instructor Name]

Overview Perceptual Attributes of Sounds Auditory System Audibility, Frequency, & Masking Spatial Hearing Auditory Scene Analysis Conclusion

Perceptual Attributes of Sound Loudness  Pressure Pitch  Frequency =  Pitch  Frequency =  Pitch Timbre  Distinction

Overview Perceptual Attributes of Sounds Auditory System Audibility, Frequency, & Masking Spatial Hearing Auditory Scene Analysis Conclusion

Auditory System Outer Ear  Pinna  Canal  Tympanic Membrane Middle Ear  Hammer  Mallet  Stirrup Inner Ear  Cochlea Middle Ear

Auditory System Sound WavesEar Drum Cochlea Auditory Receptor Cells Frequency Spectrum of Hearing Response Nerve Impulse Cochlea Cochlear Nucleus Superior Olivary Nucleus Inferior Colliculus Medial Geniculate Body Auditory Cortex

Overview Perceptual Attributes of Sounds Auditory System Audibility, Frequency, & Masking Spatial Hearing Auditory Scene Analysis Conclusion

Audibility, Frequency & Masking Audibility  20Hz – 20kHz Masking  Swamps  Suppression  Low Frequency > High Frequency

Overview Perceptual Attributes of Sounds Auditory System Audibility, Frequency, & Masking Spatial Hearing Auditory Scene Analysis Conclusion

Spatial Hearing Orienting to Sound Sources Interaural Time Differences  Low Frequencies > High Frequencies Interaural Level Differences  Low Frequencies < High Frequencies

Overview Perceptual Attributes of Sounds Auditory System Audibility, Frequency, and Masking Spatial Hearing Auditory Scene Analysis Conclusion

Auditory Scene Analysis  Multiple Sounds in an Environment  Heuristic Principles  Computational Auditory Scene Analysis

Overview Perceptual Attributes of Sounds Auditory System Audibility, Frequency, & Masking Spatial Hearing Auditory Scene Analysis Conclusion

 Highly Complex  Multiple Components  Multiple Cues  Not Thoroughly Understood

Photo Attribution Slide 1 Photo Credit: schani Slide3 Photo Credit: Sebastiaan ter Burg Slide 6 Photo Credit: Original diagram by Tim Gollisch, Andreas M. V. Herz, and Public Library of Science Slide 8 Photo Credit: meggle Slide 10 Photo Credit: CarbonNYC Slide 12 Photo Credit: thetaxhaven Slide 12 Photo Credit: Rowan University Publications