This paper introduces and evaluates a speech signal manipulation scheme that generates transient speech induced binaural beats (SBBs). These SBBs can only be perceived when different signals are presented dichotically (to both ears). Event-related potentials were recorded in 22 normal-hearing subjects. Dichotic stimulus presentation reliably evoked auditory late responses (ALRs) in all subjects using such manipulated signals. As control measurements, diotic stimulation modalities were presented to confirm that the ALRs were not evoked by the speech signal itself or that the signal manipulation scheme created audible artifacts. Since diotic measurements evoked no ALRs, responses from dichotic stimulation are a pure correlate of binaural interaction. While there are several auditory stimuli (mostly modulated sinusoids or noise) that share this characteristic, none of them are based on running speech. Because SBBs can be added to any arbitrary speech signal, they could easily be combined with psychoacoustic tests, for example speech reception thresholds, adding an objective measure of binaural interaction.
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February 2021
February 02 2021
Speech induced binaural beats: Electrophysiological assessment of binaural interaction Available to Purchase
Andreas Schroeer;
Andreas Schroeer
a)
1
Systems Neuroscience and Neurotechnology Unit, Faculty of Medicine, Saarland University and School of Engineering, htw saar
, 66421 Homburg/Saar, Germany
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Farah I. Corona-Strauss;
Farah I. Corona-Strauss
1
Systems Neuroscience and Neurotechnology Unit, Faculty of Medicine, Saarland University and School of Engineering, htw saar
, 66421 Homburg/Saar, Germany
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Ozcan Ozdamar;
Ozcan Ozdamar
2
Department of Biomedical Engineering, College of Engineering, University of Miami
, McArthur Engineering Building, 1251 Memorial Drive, Coral Gables, Florida 33124, USA
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Jorge Bohorquez;
Jorge Bohorquez
2
Department of Biomedical Engineering, College of Engineering, University of Miami
, McArthur Engineering Building, 1251 Memorial Drive, Coral Gables, Florida 33124, USA
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Daniel J. Strauss
Daniel J. Strauss
b)
1
Systems Neuroscience and Neurotechnology Unit, Faculty of Medicine, Saarland University and School of Engineering, htw saar
, 66421 Homburg/Saar, Germany
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Andreas Schroeer
1,a)
Farah I. Corona-Strauss
1
Ozcan Ozdamar
2
Jorge Bohorquez
2
Daniel J. Strauss
1,b)
1
Systems Neuroscience and Neurotechnology Unit, Faculty of Medicine, Saarland University and School of Engineering, htw saar
, 66421 Homburg/Saar, Germany
2
Department of Biomedical Engineering, College of Engineering, University of Miami
, McArthur Engineering Building, 1251 Memorial Drive, Coral Gables, Florida 33124, USA
a)
ORCID: 0000-0002-7904-3622.
b)
Electronic mail: [email protected]
J. Acoust. Soc. Am. 149, 788–799 (2021)
Article history
Received:
August 10 2020
Accepted:
January 14 2021
Citation
Andreas Schroeer, Farah I. Corona-Strauss, Ozcan Ozdamar, Jorge Bohorquez, Daniel J. Strauss; Speech induced binaural beats: Electrophysiological assessment of binaural interaction. J. Acoust. Soc. Am. 1 February 2021; 149 (2): 788–799. https://doi.org/10.1121/10.0003442
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