Computation for Sound Processing Psycho Georg Essl Psychology
- Slides: 37
Computation for Sound Processing Psycho Georg Essl
Psychology of (Re)Cognition • Cognition is • Vision • Audition • Touch, Smell, Taste, … • … and recognition of stuff! • What is this “stuff? ” • When do we confuse “stuff? ”
Don’t Give Me That Weird Eye • • Psychological Effects in Vision Ambiguity Categorical Seeing Mis-Classification Absurd Constructions Perspective/Depth Assumptions Color, Size, Relation, Orientation …
Canonical Ambiguities
Canonical Ambiguities Necker Cube Schroeder Stairs
Illusions • When we get “stuff” wrong • Size • Shape • Color
Size Illusion • Size and Distance – Mario Ponzo
Size Illusion • Size and Color – Joseph Jastrow
Size Illusions • Size and Angles – Mueller & Lyer
Size Illusion • Size and Angle (2) Sander
Size Illusions • Size and Perspective – Roger Shepard
Size Illusion • Object Size
Shape Illusion • Bristol Café – Richard Gregory
Shape Illusion Zoellner
Shape Illusions
Shape Illusions • Orbison
Color Illusion • Hermann Grid
Color Illusion • Checker Shadow – Ted Adelson
Color Illusion • Checker Shadow – Ted Adelson
Color Illusion
Bridget Riley – “Movement in Squares”
Moving Illusion • Ouchi Illusion
Fill in the Blanks • Seeing what isn’t there • Kanisza figure
Quickly – False Reality • • Messed Up Visuals Geometry Representation Categories
M. C. Escher
Pieter Buegel - 'The Magpie on the Gallows' (1568)
Oscar Reutersvaerd
Salvatore Dali - “Invisible Afghan with the Apparition on the Beach of the Face of Garcia Lorca in the Form of a …”
Salvatore Dali - “Swans reflecting elephants“
Salvatore Dali - “Fifty Abstract Pictures Which. . . Appear as the Head of a Royal Bengal Tiger”
Rene Magritte
OK, Enough Vision • Sound Illusions exist too. • • Merging to Beats (2) Masking (3) Completion (5) “Common Fate” (6)
Sound • Cocktail Party Effect (22) • Precedence Effect (23) • Musical Groupings (31 -33) • Separations of Melodies (34) • Frequency distance, Volume, Timbre
Sound • Voice Separation: • Wessel Loop (36) • Musical Example, two melody play on violin (37)
Word/Phoneme Groupings • Silence gaps: Ara ala -> Arda Alga (46) • Gray ship or not (47)
Melody Recognition • Shepard Tritone Paradox (52) • Scrambled Melodies (53)
Musical Escher • • Infinite Upward Motion Risset glissando (54) Original discrete Shepard tones (55) Tempo Illusions • Risset, Ligeti (56) • More Shepard (57)