Research Areas



parameter estimation of models
and their application to speech analysis and synthesis:


analyzed systems

  • time-invariant systems (all-pole and pole-zero)
  • time-varying systems
  • nonlinear systems
  • lossy and branched tube models


estimation approaches

  • complete analytical solutions
  • iterative solutions by analytical partial solutions
  • gradient-based optimization


fields of applications

  • extended tube models for speech production
  • GCI-detection by linear and nonlinear signal processing
  • pitch modification
  • model-based diphone synthesis
  • speech analysis in general