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Very Fast Unit Selection Using Viterbi Search with Zero-Concatenation-Cost Chains

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F49777513%3A23520%2F14%3A43922773" target="_blank" >RIV/49777513:23520/14:43922773 - isvavai.cz</a>

  • Result on the web

    <a href="http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6854064" target="_blank" >http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6854064</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1109/ICASSP.2014.6854064" target="_blank" >10.1109/ICASSP.2014.6854064</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Very Fast Unit Selection Using Viterbi Search with Zero-Concatenation-Cost Chains

  • Original language description

    This paper introduces a very fast heuristic search algorithm for unit-selection speech synthesis. The algorithm modifies commonly used Viterbi search framework by introducing zero-concatenation-cost (ZCC) chains of unit candidates that immediately neighbored in a source speech corpus. ZCC chains are preferred as they represent perfect speech segment concatenations (so there is no need to compute concatenation costs inside the chains) unless a so-called target specification is violated. The number of ZCCchains is reduced based on statistics calculated upon the synthesis of a large number of utterances. ZCC chains are then combined with single unit candidates to fill possible gaps in the sequence of candidates. The proposed method reduces the computational load of a unit selection system up to hundreds of times. According to listening tests, the quality of synthetic speech was not deteriorated.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    JD - Use of computers, robotics and its application

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/TA01030476" target="_blank" >TA01030476: Intelligent technologies for improving air traffic security</a><br>

  • Continuities

    S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2014

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    Proceedings - ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing

  • ISBN

    978-1-4799-2893-4

  • ISSN

    1520-6149

  • e-ISSN

  • Number of pages

    5

  • Pages from-to

    2569-2573

  • Publisher name

    IEEE

  • Place of publication

    New York

  • Event location

    Florencie, Itálie

  • Event date

    May 4, 2014

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article

    000343655302121