feature_extraction_example.m

close all;

addpath('IRAPT/IRAPT_web');
addpath('Perturbation_analysis');

% [s,fs] = audioread('SPA2019/Pathology\068.wav');
[s,fs] = audioread('SPA2019/Control\077.wav');

[Fo, ~, time_marks] = irapt(s, fs, 'irapt1','sustain phonation');  
    
% Segmentation of signal onto fundamental periods
[Fo_periods] = WM_phase_const(s,Fo,time_marks,fs);
[periods_Amp]= amp_extract(Fo_periods,s);
    
%% Perturbation parameters calculation
J_loc  = shim_local(Fo_periods);
J_rap  = jitter_rap(Fo_periods);
J_ppq5 = jitter_ppq5(Fo_periods);
J_apq55 = shimmer_apq(Fo_periods,55);
    
S_loc   = shim_local(periods_Amp);
S_apq3  = shim_apq3(periods_Amp);
S_apq5  = shim_apq5(periods_Amp);
S_apq11 = shim_apq11(periods_Amp);
S_apq55  = shimmer_apq(periods_Amp,55);

PVI    = pathology_vibrato(Fo,time_marks(2),196,8);

PPF = pitch_petrurbation_factor(Fo_periods,fs);
DPF = directional_petrurbation_factor(Fo_periods);
PPE = pitch_period_entropy(Fo);

fprintf('Jitter:local  = %1.2f %% \n', J_loc);
fprintf('Jitter:RAP    = %1.2f %% \n', J_rap);
fprintf('Jitter:PPQ5   = %1.2f %%\n', J_ppq5);            
fprintf('Jitter:PPQ55  = %1.2f %%\n', J_apq55);
fprintf('Shimmer:local = %1.2f %% \n', S_loc);
fprintf('Shimmer:APQ3  = %1.2f %% \n', S_apq3);
fprintf('Shimmer:APQ5  = %1.2f %% \n', S_apq5);
fprintf('Shimmer:APQ11 = %1.2f %% \n', S_apq11);          
fprintf('Shimmer:APQ55 = %1.2f %% \n', S_apq55);
fprintf('PVI           = %1.3f \n', PVI);
fprintf('PPF           = %1.3f \n', PPF);
fprintf('DPF           = %1.2f %%\n', DPF);
fprintf('PPE           = %1.2f \n', PPE);

%% Harmonic parameters calculation
[Hp_mean, Hp_SD, RelHp] = harmonics_analysis(s, Fo_periods);
fprintf('Hp_mean[1]       = %1.3f \n', Hp_mean(1));
fprintf('Hp_SD[1]         = %1.2f \n', Hp_SD(1));
fprintf('RelHp[1]         = %1.2f \n', RelHp(1));