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Erosion as a novel Approach for removing Semantics and Comparison of different State-of-Art-Methods

  • Through language, people convey not only pure semantics, but also information about themselves, such as age, gender, state of mind or health. The supralingual features that carry this information have been a subject of research for a long time. Various procedures have been proposed to remove unneeded semantics from speech recordings, in order to study supralingual information in natural speech. In this paper, we propose a new method for removing sematics, based on erosion, a morphological operator. We compare its effectiveness to different state-of-the-art methods. As established methods we consider two low pass filters with cut off frequencies of 450Hz and 1150Hz and Brownian noise. As a newer method we investigate a filter for spectro-temporal frequencies. To evaluate each method, appropriately processed recordings were presented to a group of participants in a perceptual experiment. The intelligibility was measured by means of the Levenshtein distance. Our results show that erosion itself performs similarly to the establishedThrough language, people convey not only pure semantics, but also information about themselves, such as age, gender, state of mind or health. The supralingual features that carry this information have been a subject of research for a long time. Various procedures have been proposed to remove unneeded semantics from speech recordings, in order to study supralingual information in natural speech. In this paper, we propose a new method for removing sematics, based on erosion, a morphological operator. We compare its effectiveness to different state-of-the-art methods. As established methods we consider two low pass filters with cut off frequencies of 450Hz and 1150Hz and Brownian noise. As a newer method we investigate a filter for spectro-temporal frequencies. To evaluate each method, appropriately processed recordings were presented to a group of participants in a perceptual experiment. The intelligibility was measured by means of the Levenshtein distance. Our results show that erosion itself performs similarly to the established methods, while a combination of erosion and low-pass filter outperforms all other methods.show moreshow less

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Metadaten
Author: Martin T. SchorradtORCiD, Douglas W. CunninghamORCiD
DOI:https://doi.org/10.1145/3548814.3551458
ISBN:978-1-4503-9455-0
Title of the source (English):SAP '22: ACM Symposium on Applied Perception 2022
Publisher:Association for Computing Machinery New York NY United States
Editor: Manfred Lau, Andrew Robb, Michael Barnett-Cowan, Ana Serrano, Sandra Malpica
Document Type:Conference publication peer-reviewed
Language:English
Year of publication:2022
First Page:1
Last Page:6
Article number:10
Faculty/Chair:Fakultät 1 MINT - Mathematik, Informatik, Physik, Elektro- und Informationstechnik / FG Praktische Informatik / Graphische Systeme
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