delet unused file

matlab/tfgm/datasets/get_bird_car_mix_icassp.m

-function [signal_params, dgt_params, w,dgt,idgt, signals, alpha, seuil,...,
-    r, mask,dgt_mix]= get_cuicui_mix_icassp()
-%% This function allows you to reproduce ICASSP dataset.
-
-%%  Signal parameters
-%make_wav_pairs();
-
-
-sig_len = 2^(13);
-fs = 8000;
-signal_params.fs = fs;
-signal_params.sig_len = sig_len;
-
-%%  dgt parameters
-
-
-approx_win_duration =0.02;
-win_type ='hann';
-
-win_len = 2^(round(log2(approx_win_duration*fs)));
-dgt_params.hop = win_len/4 ;
-dgt_params.nbins=4*win_len;
-dgt_params.sig_len = sig_len;
-dgt_params.win_type = win_type;
-dgt_params.win_len = win_len;
-%% window and  DGT operator
- L=dgtlength(dgt_params.sig_len, dgt_params.hop, dgt_params.nbins);
-w = gabwin(dgt_params.win_type, dgt_params.hop,  dgt_params.nbins,  dgt_params.win_len);
-dgt = @(x) dgtreal(x,w, dgt_params.hop, dgt_params.nbins, dgt_params.sig_len);
-
-wd = {'dual', dgt_params.win_type};
-idgt= @(x)idgtreal(x, wd, dgt_params.hop,dgt_params.nbins, dgt_params.sig_len);
-
-compute_stft = @(x,w,dgt_params,L) dgtreal(x,w, dgt_params.hop, dgt_params.nbins,L);
-%% signals and their mixtures
-
-ind_wideband = 1;
-ind_localized = 2;
-deb = 0.2;
-[x_engine, x_bird] =  load_pairs(ind_wideband, ind_localized,...,
-    fs,  sig_len, deb);
-
-
-
-
-%%
-x_target = x_engine;
-x_perturbation = x_bird;
-gamma=0.7;
-x_target = x_target/max(abs(x_target));
-x_perturbation = x_perturbation/max(abs(x_perturbation));
-
-x_target = gamma*x_target;
-x_perturbation = (1-gamma)*x_perturbation;
-x_mix = x_target +x_perturbation;
-
-signals.target = x_target;
-signals.noise = x_perturbation;
-signals.mix = x_mix;
-
-%%  Spectogramm of signals
-
-
-dgt_Xref = compute_stft(signals.target,w, dgt_params,L);
-dgt_Xper = compute_stft(signals.noise, w, dgt_params,L);
-dgt_mix = dgt_Xref +dgt_Xper;
-
-%%  mask
-alpha = 2; seuil =0.02; r = 3;
-
-mask =  and(abs(dgt_Xper) < alpha*abs(dgt_Xref),abs(dgt_Xper)<seuil);
-se = strel('disk',r);
-mask =imclose(mask,se);
-figure; imagesc(mask);
-
-%%  plot figures
-
-fig_dir ='figures_car_bird_icassp';
-if ~exist(fig_dir,'dir')
-    mkdir(fig_dir);
-end
-addpath(fig_dir)
-
-
-
-figure;
-plot_spectrogram(mask, dgt_params, signal_params, dgt);
-title('mask')
-saveas(gcf,fullfile(fig_dir,'mask.png'));
-
-figure;
-plot_spectrogram(dgt_Xref, dgt_params, signal_params, dgt)
-title('target signal')
-saveas(gcf,fullfile(fig_dir,'engine.png'));
-figure;
-plot_spectrogram(dgt_Xper, dgt_params, signal_params, dgt)
-title('perturbation signal')
-saveas(gcf,fullfile(fig_dir,'bird.png'));
-figure;
-plot_spectrogram(dgt_mix, dgt_params, signal_params, dgt)
-title('perturbation signal')
-saveas(gcf,fullfile(fig_dir,'engine_bird.png'));
-
-
-