Voice conversion for improving perceived likability of uttered speech

Shinya Horiike, Masanori Morise

Research output: Contribution to journalArticlepeer-review


To improve the likability of speech, we propose a voice conversion algorithm by controlling the fundamental frequency (F0) and the spectral envelope and carry out a subjective evaluation. The subjects can manipulate these two speech parameters. From the result, the subjects preferred speech with a parameter related to higher brightness.

Original languageEnglish
Pages (from-to)1199-1202
Number of pages4
JournalIEICE Transactions on Information and Systems
Issue number5
Publication statusPublished - May 2020


  • Likability
  • Spectral envelope
  • Speech analysis/synthesis
  • Voice conversion


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