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Parameters evaluation of SOLA algorithm for time scale modification

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Abstract

Successful operation of the Synchronous Overlap and Add (SOLA) algorithm for Time Scale Modification (TSM) of speech is closely tied to the proper choice of parameters. This paper investigates the quality of time scale modified speech under different values of primary parameters. Based on Mean Opinion Score (MOS) tests and Bark Spectral Distortion (BSD) measure, the proper choices of synthesis shift (Ss) and the duration of the shift search interval (K max ) are given experimentally. The conclusions can be helpful for operating the SOLA algorithm for time scale modification of speech.

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Authors and Affiliations

  1. The Army Aviation Research Institute of Headquarters of General Staff, BeiJing, 101121, China

    Zhou Jun

  2. Electronic and Information Labs, Xi’an Communications College, Xi’an, 710106, China

    Tan Wei, Chen Yanpu & Gao Yue

Authors
  1. Zhou Jun
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  2. Tan Wei
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  3. Chen Yanpu
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  4. Gao Yue
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Corresponding author

Correspondence to Zhou Jun.

Additional information

Supported by Shaanxi Province Natural Science Researching Project (No. 2003F26).

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Jun, Z., Wei, T., Yanpu, C. et al. Parameters evaluation of SOLA algorithm for time scale modification. Int J Speech Technol 10, 89–94 (2007). https://doi.org/10.1007/s10772-009-9019-7

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  • DOI: https://doi.org/10.1007/s10772-009-9019-7

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