Dawn@4: function F0 = func_parseF0(matdata, F0algorithm)
Dawn@4: % F0 = func_parseF0(matdata, F0algorithm)
Dawn@4: % Input:  matdata - mat data
Dawn@4: %         F0algorithm - F0 algorithm to use
Dawn@4: % Output: F0 vectir
Dawn@4: % Notes:  choose the F0 depending on what is specified
Dawn@4: %
Dawn@4: % Author: Yen-Liang Shue, Speech Processing and Auditory Perception Laboratory, UCLA
Dawn@4: % Copyright UCLA SPAPL 2009
Dawn@4: F0 = [];
Dawn@4: switch(F0algorithm)
Dawn@4:     case {'F0 (Straight)'}
Dawn@4:         if (isfield(matdata, 'strF0'))
Dawn@4:             F0 = matdata.strF0;
Dawn@4:         end
Dawn@4:     case {'F0 (Snack)'}
Dawn@4:         if (isfield(matdata, 'sF0'))
Dawn@4:             F0 = matdata.sF0;
Dawn@4:         end
Dawn@4:     case {'F0 (Praat)'}
Dawn@4:         if (isfield(matdata, 'pF0'))
Dawn@4:             F0 = matdata.pF0;
Dawn@4:         end
Dawn@4:     case {'F0 (Other)'}
Dawn@4:         if (isfield(matdata, 'oF0'))
Dawn@4:             F0 = matdata.oF0;
Dawn@4:         end
Dawn@4:     otherwise 
Dawn@4:         F0 = []; 
Dawn@4: end