ArticlePloS one2014
Statistics of natural binaural sounds.
Article in PloS one, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed.
- Sensory and Perceptual Decisional Processes Underlying the Perception of Reverberant Auditory Environments.eNeuro · 2024Article
- Inferring the basis of binaural detection with a modified autoencoder.Frontiers in neuroscience · 2023Article
- Spectral weighting functions for lateralization and localization of complex sound.The Journal of the Acoustical Society of America · 2022Article
- Deep neural network models of sound localization reveal how perception is adapted to real-world environments.Nature human behaviour · 2022Article
- Effects of interaural decoherence on sensitivity to interaural level differences across frequency.The Journal of the Acoustical Society of America · 2021Article
- Investigating the representation of uncertainty in neuronal circuits.PLoS computational biology · 2021Article
- Article
- Temporal dynamics and uncertainty in binaural hearing revealed by anticipatory eye movements.The Journal of the Acoustical Society of America · 2019Article
- Local and Global Spatial Organization of Interaural Level Difference and Frequency Preferences in Auditory Cortex.Cerebral cortex (New York, N.Y. : 1991) · 2018Article
- Article
- Cue Reliability Represented in the Shape of Tuning Curves in the Owl's Sound Localization System.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2016Article
- Attention Modulates the Auditory Cortical Processing of Spatial and Category Cues in Naturalistic Auditory Scenes.Frontiers in neuroscience · 2016Article
- Sound frequency-invariant neural coding of a frequency-dependent cue to sound source location.Journal of neurophysiology · 2015Article
- The opponent channel population code of sound location is an efficient representation of natural binaural sounds.PLoS computational biology · 2015Article
- Binaural Recordings in Natural Acoustic Environments: Estimates of Speech-Likeness and Interaural Parameters.Trends in hearingArticle
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2 authors.
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Abstract
Binaural sound localization is usually considered a discrimination task, where interaural phase (IPD) and level (ILD) disparities at narrowly tuned frequency channels are utilized to identify a position of a sound source. In natural conditions however, binaural circuits are exposed to a stimulation by sound waves originating from multiple, often moving and overlapping sources. Therefore statistics of binaural cues depend on acoustic properties and the spatial configuration of the environment. Distribution of cues encountered naturally and their dependence on physical properties of an auditory scene have not been studied before. In the present work we analyzed statistics of naturally encountered binaural sounds. We performed binaural recordings of three auditory scenes with varying spatial configuration and analyzed empirical cue distributions from each scene. We have found that certain properties such as the spread of IPD distributions as well as an overall shape of ILD distributions do not vary strongly between different auditory scenes. Moreover, we found that ILD distributions vary much weaker across frequency channels and IPDs often attain much higher values, than can be predicted from head filtering properties. In order to understand the complexity of the binaural hearing task in the natural environment, sound waveforms were analyzed by performing Independent Component Analysis (ICA). Properties of learned basis functions indicate that in natural conditions soundwaves in each ear are predominantly generated by independent sources. This implies that the real-world sound localization must rely on mechanisms more complex than a mere cue extraction.
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