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Authors: Adam Kupryjanow and Andrzej Czyzewski

Affiliation: Gdańsk University of Technology, Poland

Keyword(s): Time-scale modification, Voice detection, Vowels detection, Rate of speech estimation.

Related Ontology Subjects/Areas/Topics: Biomedical Applications ; Design and Implementation of Signal Processing Systems ; Multidimensional Signal Processing ; Multimedia ; Multimedia Signal Processing ; Multimedia Systems and Applications ; Telecommunications

Abstract: An algorithm for non-uniform real-time speech stretching is presented. It provides a combination of typical SOLA algorithm (Synchronous Overlap and Add ) with the vowels, consonants and silence detectors. Based on the information about the content and the estimated value of the rate of speech (ROS), the algorithm adapts the scaling factor value. The ability of real-time speech stretching and the resultant quality of voice were analysed. Subjective tests were performed in order to compare the quality of the proposed method with the output of the standard SOLA algorithm. Accuracy of the ROS estimation was assessed to prove its robustness.

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Paper citation in several formats:
Kupryjanow, A. and Czyzewski, A. (2011). A NON-UNIFORM REAL-TIME SPEECH TIME-SCALE STRETCHING METHOD. In Proceedings of the International Conference on Signal Processing and Multimedia Applications (ICETE 2011) - SIGMAP; ISBN 978-989-8425-72-0, SciTePress, pages 27-33. DOI: 10.5220/0003456300270033

@conference{sigmap11,
author={Adam Kupryjanow. and Andrzej Czyzewski.},
title={A NON-UNIFORM REAL-TIME SPEECH TIME-SCALE STRETCHING METHOD},
booktitle={Proceedings of the International Conference on Signal Processing and Multimedia Applications (ICETE 2011) - SIGMAP},
year={2011},
pages={27-33},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003456300270033},
isbn={978-989-8425-72-0},
}

TY - CONF

JO - Proceedings of the International Conference on Signal Processing and Multimedia Applications (ICETE 2011) - SIGMAP
TI - A NON-UNIFORM REAL-TIME SPEECH TIME-SCALE STRETCHING METHOD
SN - 978-989-8425-72-0
AU - Kupryjanow, A.
AU - Czyzewski, A.
PY - 2011
SP - 27
EP - 33
DO - 10.5220/0003456300270033
PB - SciTePress