Patents:

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• Taoufik En-Najjary and Olivier Rosec,
  METHOD OF ESTIMATING A VOICE CONVERSION FUNCTION LINK
  French Patent FR 2005/003308,January 31st, 2005
  International Application No.: PCT/FR2005/003308

• Taoufik En-Najjary and Olivier Rosec,
  IMPROVED VOICE SIGNAL CONVERSION METHOD AND SYSTEM LINK
  French Patent FR 04 03403, March 31st, 2004
  International Application No.: PCT/FR2005/000564

• Taoufik En-Najjary and Olivier Rosec,
  METHOD AND SYSTEM FOR THE QUICK CONVERSION OF A VOICE SIGNAL LINK
  French Patent FR 04 03405, March 31st, 2004
  International Application No.: PCT/FR2005/000607

• Taoufik En-Najjary and Olivier Rosec,
  METHOD FOR ANALYZING FUNDAMENTAL FREQUENCY INFORMATION AND VOICE CONVERSION METHOD AND SYSTEM IMPLEMENTING SAID ANALYSIS METHOD LINK
  French Patent FR 03 03790, March 27th, 2003,
  International Application No.: PCT/FR2004/000483