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Prosody editing apparatus and method

  • US 9,601,106 B2
  • Filed: 08/15/2013
  • Issued: 03/21/2017
  • Est. Priority Date: 08/20/2012
  • Status: Active Grant
First Claim
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1. A prosody editing apparatus comprising:

  • a storage configured to store attribute information items of phrases and one or more first prosodic patterns corresponding to each of the attribute information items of the phrases;

    a search unit configured to search the storage for one or more second prosodic patterns corresponding to an attribute information item that matches an attribute information item of a predetermined phrase, the second prosodic patterns being included in the first prosodic patterns;

    a mapping unit configured to map each of the second prosodic patterns on a low dimensional space to generate mapping coordinates, the mapping coordinates being used to suppress a first prosodic pattern which is not assumed normally, wherein a first distance between coordinates of the first prosodic pattern and coordinates of a target prosodic pattern is not within a first threshold;

    a selection unit configured to obtain coordinates selected from the mapping coordinates as selected coordinates;

    a restoring unit configured to restore a second prosodic pattern according to the selected coordinates to obtain a restored prosodic pattern; and

    a replacing unit configured to replace prosody of synthetic speech generated based on the predetermined phrase by the restored prosodic pattern.

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