NoiseReductionProject/OverlapAdd.m at master · steve3nto/NoiseReductionProject · GitHub

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function filtered_speech = OverlapAdd(speech, split_length,overlapping_length,fs, y_length)
% OverlapAdd recreates speech signal from hanning-windowed speech

    % Transform milliseconds to samples
    Ts = 1/fs;
    split_length_samples = fix(split_length*0.001 / Ts);
    overlap_length_samples = fix(overlapping_length*0.001 / Ts);

    filtered_speech = zeros(y_length,1);
    speech = real(speech);

    for i=1:size(speech,2)

    filtered_speech((i-1)*(split_length_samples-overlap_length_samples)+1: ...
    i*(split_length_samples - overlap_length_samples) + overlap_length_samples) ...
        = filtered_speech((i-1)*(split_length_samples-overlap_length_samples)+1: ...
        i*(split_length_samples - overlap_length_samples) + overlap_length_samples) + speech(:,i);
    end
end