Binaural Assessment of Parametrically Coded Spatial Audio Signals

Takanen, Marko; Santala, Olli; Pulkki, Ville

doi:10.1007/978-3-642-37762-4_13

Cited by 3 publications

(1 citation statement)

References 13 publications

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“…No matter how that story may ultimately play out, the model reproduces key linear and nonlinear responses of the cochlea and it can therefore be employed to the benefit of engineering and other applications requiring in silico models of the cochlea (e.g., Refs. [92][93][94][95][96]).…”

Section: Discussionmentioning

confidence: 99%

Nonlinear cochlear mechanics without direct vibration-amplification feedback

Altoè

Shera

2020

Phys. Rev. Research

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Recent in vivo recordings from the mammalian cochlea indicate that although the motion of the basilar membrane appears actively amplified and nonlinear only at frequencies relatively close to the peak of the response, the internal motions of the organ of Corti display these same features over a much wider range of frequencies. These experimental findings are not easily explained by the textbook view of cochlear mechanics, in which cochlear amplification is controlled by the motion of the basilar membrane (BM) in a tight, closed-loop feedback configuration. This study shows that a simple phenomenological model of the cochlea inspired by the work of Zweig [J. Acoust. Soc. Am. 138, 1102 (2015)] can account for recent data in mouse and gerbil. In this model, the active forces are regulated indirectly, through the effect of BM motion on the pressure field across the cochlear partition, rather than via direct coupling between active-force generation and BM vibration. The absence of strong vibration-amplification feedback in the cochlea also provides a compelling explanation for the observed intensity invariance of fine time structure in the BM response to acoustic clicks.

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Section: Discussionmentioning

confidence: 99%

Nonlinear cochlear mechanics without direct vibration-amplification feedback

Altoè

Shera

2020

Phys. Rev. Research

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The Auditory Modeling Toolbox

Søndergaard

Majdak

2013

The Technology of Binaural Listening

111

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AMT 1.x: A toolbox for reproducible research in auditory modeling

2022

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The Auditory Modeling Toolbox (AMT) is a MATLAB/Octave toolbox for the development and application of computational auditory models with a particular focus on binaural hearing. The AMT aims for a consistent implementation of auditory models, well-structured in-code documentation, and inclusion of auditory data required to run the models. The motivation is to provide a toolbox able to reproduce the model predictions and allowing students and researchers to work with and to advance existing models. In the AMT, model implementations can be evaluated in two stages: by running so-called demonstrations, which are quick presentations of a model, and by starting so-called experiments aimed at reproducing results from the corresponding publications. Here, we describe the tools and mechanisms available within the framework of all AMT 1.x versions. The recently released AMT 1.1 includes over 60 models and is freely available as an open-source package from https://www.amtoolbox.org.

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Binaural Assessment of Parametrically Coded Spatial Audio Signals

Cited by 3 publications

References 13 publications

Nonlinear cochlear mechanics without direct vibration-amplification feedback

Nonlinear cochlear mechanics without direct vibration-amplification feedback

The Auditory Modeling Toolbox

AMT 1.x: A toolbox for reproducible research in auditory modeling

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