Dynamic statistical texture perception differs from static spectral profile analysis

Evidence

For example in profile analysis subjects assess the spectral shape of stimuli. In this context it has also been demonstrated that subjects can compare spectra, however, the results were not interpretable in a statistical sense, due to several reasons. First, the time scale of presentation is much longer in the present paradigm than typically in profile analysis, where the stimulus is presented for multiple seconds rather than subsecond presentations. Second, in the present context the stimulus is composed of randomly timed occurrences of tones in certain frequency bins (which defines the spectral profile over time), rather than static profiles from constantly presented tones or filtered noise. Third, the comparison between different profiles is performed dynamically, rather than in a two stimulus comparison task. — Dijk, Pim van, Physiology, Psychoacoustics and…, 3285

Categorization

Category: Causal Relationships

• XREF: Relates to the reader’s deep-listening material about the soundscape as ongoing composition vs static snapshot.

Related

• Profile analysis compares static spectra while texture change detection needs dynamic statistics (similarity 0.91)
• Dynamic spectral-comparison tasks reveal integration processes static tests miss (similarity 0.88)
• Dynamic profile comparison reveals statistical processing that static tasks cannot. (similarity 0.87)
• Statistically driven spectral analysis requires dynamically presented stochastic tone streams (similarity 0.85)
• Auditory textures are stimuli whose only predictability lies in their statistical structure (similarity 0.83)
• Auditory textures are recognized through their spectrotemporal statistics despite highly variable local structure (similarity 0.81)
• Sound textures are predictable only through their statistical spectrotemporal structure. (similarity 0.79)
• Natural sounds are identified by their statistical properties, not by predictable patterns of elements (similarity 0.78)

Broader Connections

• Dynamic profile comparison reveals statistical processing that static tasks cannot. #corroborates (0.85) — Dijk, Pim van, Physiology, Psychoacoustics and…, 3342
• Auditory textures are stimuli whose only predictability lies in their statistical structure #expands (0.82) — Dijk, Pim van, Physiology, Psychoacoustics and…, 3291