void setSequencer(int interIdx)
        {
            this.intervalVoices = new Dictionary<int, ISampleMaker>();

            int inc = 0;
            int intervalNb = interIdx;

            double[] inter={5000.0,3000.0,5000.0};

            this.sequencer.StepCount = 15+5;
            IWaveForm form = new SineWaveForm();


            double percent = 5 / 100d;
            uint value = (uint)(15000 * percent);

            for (inc = 0; inc < intervalNb; inc++)
            {
                //Pitch pitch = new Pitch(11, 3);
                Oscillator osc1 = new Oscillator();
                osc1.WaveForm = form;

                Voice voice = new Voice();
                voice.Attenuation = 0;
                voice.Oscillators.AddRange(new List<Oscillator>() { osc1});
                voice.Frequency = inter[inc];//pitch.Frequency;
                voice.Envelope.Attack = value;
                voice.Envelope.Decay = value;
                this.intervalVoices.Add(inc, voice);

                this.sequencer.AddNote(voice, (3+2)*inc+1, 3);

            }

            SynthMediaStreamSource source = new SynthMediaStreamSource(44100, 2);
            source.SampleMaker = this.sequencer;
            this.sequencer.Tempo = 360;
            this.media.SetSource(source);
            this.media.Stop();
            this.sequencer.StepIndex = this.sequencer.StepCount - 1;
            //      
        }
        /// <summary>
        /// Initialise the voices of the sequencer.
        /// </summary>
        /// <param name="interIdx"></param>
        protected void setSequencer(int interIdx)
        {
            this._intervalVoices = new Dictionary <int, ISampleMaker>();
            int inc = 0;

            //int intervalNb = 2;// interIdx;

            //double[] inter = { 5000.0, 3000.0, 1000.0, 3000.0 };

            this._sequencer.VoiceCount = 1;

            double percent = 10 / 100d;
            uint   value   = (uint)(15000 * percent);
            uint   value2  = (uint)(15000 * percent);

            //int[] pos = { 0, 2, 7, 2,0,19};
            Stimulus st = null;

            for (int i = 0; i < _StimuliStructure.Count; i++)
            {
                st = _StimuliStructure[i];
                if (st._isSilent)
                {
                    continue;
                }

                IWaveForm  wform = new SineWaveForm();
                Oscillator osc1  = new Oscillator();
                osc1.WaveForm = wform;
                Oscillator osc2 = new Oscillator();
                osc2.WaveForm = wform;

                Voice voice = new Voice();
                voice.Attenuation     = -10;
                voice.Envelope.Attack = value;
                voice.Envelope.Decay  = value2;
                voice.Oscillators.AddRange(new List <Oscillator>()
                {
                    osc1
                });

                voice.Frequency = st._frequency;

                this._intervalVoices.Add(inc++, voice);
                this._sequencer.AddNote(voice, st._start, st._duration);
            }

            this._sequencer.StepCount = st._duration + st._start;

/*            for (inc = 0; inc < intervalNb; inc++)
 *          {
 *              //Pitch pitch = new Pitch(11, 3);
 *              IWaveForm form = new SineWaveForm();
 *              Oscillator osc1 = new Oscillator();
 *              Oscillator osc2 = new Oscillator();
 *              osc1.WaveForm = new SineWaveForm();
 *              osc2.WaveForm = new SineWaveForm();
 *
 *              Voice voice = new Voice();
 *              voice.Attenuation = 0;
 *              voice.Oscillators.AddRange(new List<Oscillator>() { osc1});
 *              voice.Frequency = inter[inc];//pitch.Frequency;
 *              voice.Envelope.Attack = value;
 *              voice.Envelope.Decay = value;
 *              this._intervalVoices.Add(inc, voice);
 *
 *              //this.sequencer.AddNote(voice, (3 + 2) * inc + 1, 3);
 *              this._sequencer.AddNote(voice, pos[2 * inc], pos[2 * inc + 1]);
 *
 *          }*/

            if (false)
            {
                //Pitch pitch = new Pitch(11, 3);
                IWaveForm  form = new SineWaveForm();
                Oscillator osc1 = new Oscillator();
                Oscillator osc2 = new Oscillator();
                osc1.WaveForm = new WhiteNoiseWaveForm();
                osc2.WaveForm = form;

                Voice voice = new Voice();
                voice.Attenuation = -70;
                voice.Oscillators.AddRange(new List <Oscillator>()
                {
                    osc1, osc2
                });
                voice.Frequency = 400;
                //voice.Envelope.Attack = value;
                //voice.Envelope.Decay = value;
                this._intervalVoices.Add(inc, voice);

                //this.sequencer.AddNote(voice, (3 + 2) * inc + 1, 3);
                this._sequencer.AddNote(voice, 0, this._sequencer.StepCount);
            }


            this._elt.Stop();
            this._sequencer.StepIndex = -1;// this._sequencer.StepCount - 1;
        }