public static double GetCuttoffFrequency(EExamType type)
        {
            switch (type)
            {
            case EExamType.Electromyography:
                return(CutoffFrequencyEMG);

            case EExamType.Electrocardiography:
                return(CutoffFrequencyECG);

            case EExamType.ElectrodermalActivity:
                return(CutoffFrequencyEDA);

            case EExamType.Electroencephalography:
                return(CutoffFrequencyEEG);

            default:
                return(0.0);
            }
        }