Auditory Perception of Fractal Contours
A series of experiments examined auditory contour formation, investigating listeners' sensitivities to a family of random fractals known as fractional Brownian noises. Experiments 1A and 1B looked at identification of contours when 3 different noises were portrayed using variations in the pitch...
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| Veröffentlicht in: | Journal of experimental psychology. Human perception and performance 1993-06, Vol.19 (3), p.641-660 |
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| container_end_page | 660 |
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| container_issue | 3 |
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| container_title | Journal of experimental psychology. Human perception and performance |
| container_volume | 19 |
| creator | Schmuckler, Mark A Gilden, David L |
| description | A series of experiments examined auditory contour formation, investigating listeners' sensitivities to a family of random fractals known as fractional Brownian noises. Experiments 1A and 1B looked at identification of contours when 3 different noises were portrayed using variations in the pitch, duration, or loudness of successive notes of a sequence. Listeners could categorize pitch and loudness encodings, but not duration mappings. Experiment 2 looked at the effect of simultaneous presentation of pitch and loudness information, finding that these dimensions combined additively to increase identification of the noise distributions. Experiment 3 looked at discrimination of pitch contours as a function of changing fractal dimension. Discrimination curves approximated an inverted U shape, a finding that is not understandable in terms of sensitivity to differences in fractal dimension per se, nor in terms of "tuned" perceptual sensitivity to statistical regularities of the environment. |
| doi_str_mv | 10.1037/0096-1523.19.3.641 |
| format | Article |
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Human perception and performance</title><addtitle>J Exp Psychol Hum Percept Perform</addtitle><description>A series of experiments examined auditory contour formation, investigating listeners' sensitivities to a family of random fractals known as fractional Brownian noises. Experiments 1A and 1B looked at identification of contours when 3 different noises were portrayed using variations in the pitch, duration, or loudness of successive notes of a sequence. Listeners could categorize pitch and loudness encodings, but not duration mappings. Experiment 2 looked at the effect of simultaneous presentation of pitch and loudness information, finding that these dimensions combined additively to increase identification of the noise distributions. Experiment 3 looked at discrimination of pitch contours as a function of changing fractal dimension. Discrimination curves approximated an inverted U shape, a finding that is not understandable in terms of sensitivity to differences in fractal dimension per se, nor in terms of "tuned" perceptual sensitivity to statistical regularities of the environment.</description><subject>Acoustic Stimulation</subject><subject>Adult</subject><subject>Audition</subject><subject>Auditory Discrimination</subject><subject>Auditory Perception</subject><subject>Auditory Stimulation</subject><subject>Biological and medical sciences</subject><subject>Child</subject><subject>Ears & hearing</subject><subject>Female</subject><subject>Fractals</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Human</subject><subject>Humans</subject><subject>Loudness</subject><subject>Loudness Perception</subject><subject>Male</subject><subject>Noise</subject><subject>Perception</subject><subject>Pitch (Frequency)</subject><subject>Pitch Perception</subject><subject>Psychology. Psychoanalysis. Psychiatry</subject><subject>Psychology. 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Psychology</topic><topic>Human</topic><topic>Humans</topic><topic>Loudness</topic><topic>Loudness Perception</topic><topic>Male</topic><topic>Noise</topic><topic>Perception</topic><topic>Pitch (Frequency)</topic><topic>Pitch Perception</topic><topic>Psychology. Psychoanalysis. Psychiatry</topic><topic>Psychology. Psychophysiology</topic><topic>Sensory perception</topic><topic>Stimulus Duration</topic><topic>Time Factors</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Schmuckler, Mark A</creatorcontrib><creatorcontrib>Gilden, David L</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Applied Social Sciences Index & Abstracts (ASSIA)</collection><collection>Neurosciences Abstracts</collection><collection>APA PsycArticles®</collection><collection>ProQuest One Psychology</collection><jtitle>Journal of experimental psychology. 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| language | eng |
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| source | Applied Social Sciences Index & Abstracts (ASSIA); MEDLINE; EBSCOhost APA PsycARTICLES |
| subjects | Acoustic Stimulation Adult Audition Auditory Discrimination Auditory Perception Auditory Stimulation Biological and medical sciences Child Ears & hearing Female Fractals Fundamental and applied biological sciences. Psychology Human Humans Loudness Loudness Perception Male Noise Perception Pitch (Frequency) Pitch Perception Psychology. Psychoanalysis. Psychiatry Psychology. Psychophysiology Sensory perception Stimulus Duration Time Factors |
| title | Auditory Perception of Fractal Contours |
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