1. FEMTO-ST Institute, Univ. Bourgogne Franche-Comt, CNRS, ENSMM, Besancon, France
2. Automatic Speech Recognition Research Group, Idiap Research Institute, Martigny, Switzerland
3. Ecole Polytechnique Federale De Lausanne (EPFL), Switzerland
4. Laboratory of Automation and Production Engineering, Batna University, Batna, Algeria
5. LINFI Laboratory, University of Biskra, Biskra, Algeria