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Authors: O. Schleusing 1 ; R. Vetter 1 ; Ph. Renevey 1 ; J.-M. Vesin 2 and V. Schweizer 3

Affiliations: 1 Swiss Center for Electronics and Microtechnology, Switzerland ; 2 Swiss Federal Institute of Technology, Switzerland ; 3 University Hospital Lausanne, Switzerland

Keyword(s): Speech processing, Speech restoration, Adaptive filters, Laryngectomy.

Related Ontology Subjects/Areas/Topics: Biomedical Engineering ; Biomedical Equipment ; Biomedical Instruments and Devices ; Embedded Signal Processing ; Microelectronics

Abstract: This paper proposes a novel device for the restoration of authentic characteristics in pathological speech uttered by subjects with laryngeal disorders. The device acquires and analyzes the original speech signal and reconstructs a speech signal with improved, healthy-like features in real-time. The pathological excitation is replaced by concatenation of randomly chosen healthy reference patterns. To restore authentic features, intervals between subsequent reference patterns are obtained through a multi-resolution approach. Short-term pitch variability is reproduced through a statistical variation model. Middle-term pitch variability exploits the correlation at the middle-term time scale between pitch and signal envelope. Long-term variability is obtained through adaptive wavetable oscillators; a novel, reliable and computationally efficient method. Performance was assessed with respect to two authentic features, namely breathiness and prosody. Preliminary results have shown that bre athiness of the restored signal is clearly reduced, while prosody related features are slightly improved. (More)

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Paper citation in several formats:
Schleusing, O.; Vetter, R.; Renevey, P.; Vesin, J. and Schweizer, V. (2010). DEVICE FOR PROSODIC SPEECH RESTORATION - A Multi-Resolution Approach for Glottal Excitation Restoration. In Proceedings of the Third International Conference on Biomedical Electronics and Devices (BIOSTEC 2010) - BIODEVICES; ISBN 978-989-674-017-7; ISSN 2184-4305, SciTePress, pages 38-43. DOI: 10.5220/0002747500380043

@conference{biodevices10,
author={O. Schleusing. and R. Vetter. and Ph. Renevey. and J.{-}M. Vesin. and V. Schweizer.},
title={DEVICE FOR PROSODIC SPEECH RESTORATION - A Multi-Resolution Approach for Glottal Excitation Restoration},
booktitle={Proceedings of the Third International Conference on Biomedical Electronics and Devices (BIOSTEC 2010) - BIODEVICES},
year={2010},
pages={38-43},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002747500380043},
isbn={978-989-674-017-7},
issn={2184-4305},
}

TY - CONF

JO - Proceedings of the Third International Conference on Biomedical Electronics and Devices (BIOSTEC 2010) - BIODEVICES
TI - DEVICE FOR PROSODIC SPEECH RESTORATION - A Multi-Resolution Approach for Glottal Excitation Restoration
SN - 978-989-674-017-7
IS - 2184-4305
AU - Schleusing, O.
AU - Vetter, R.
AU - Renevey, P.
AU - Vesin, J.
AU - Schweizer, V.
PY - 2010
SP - 38
EP - 43
DO - 10.5220/0002747500380043
PB - SciTePress