C# - mp3 - Datei - 10-Band Equalizer - Frequenz beeinflussen

#region Methoden - Call_Equalizer - Frequenz-Steuerung aufrufen 

        private void Call_Equalizer()
        {
            // 10-band EQ
            BASS_DX8_PARAMEQ eq = new BASS_DX8_PARAMEQ();

            _fxEQ[0] = Bass.BASS_ChannelSetFX(_stream, BASSFXType.BASS_FX_DX8_PARAMEQ, 0);
            _fxEQ[1] = Bass.BASS_ChannelSetFX(_stream, BASSFXType.BASS_FX_DX8_PARAMEQ, 0);
            _fxEQ[2] = Bass.BASS_ChannelSetFX(_stream, BASSFXType.BASS_FX_DX8_PARAMEQ, 0);
            _fxEQ[3] = Bass.BASS_ChannelSetFX(_stream, BASSFXType.BASS_FX_DX8_PARAMEQ, 0);
            _fxEQ[4] = Bass.BASS_ChannelSetFX(_stream, BASSFXType.BASS_FX_DX8_PARAMEQ, 0);
            _fxEQ[5] = Bass.BASS_ChannelSetFX(_stream, BASSFXType.BASS_FX_DX8_PARAMEQ, 0);
            _fxEQ[6] = Bass.BASS_ChannelSetFX(_stream, BASSFXType.BASS_FX_DX8_PARAMEQ, 0);
            _fxEQ[7] = Bass.BASS_ChannelSetFX(_stream, BASSFXType.BASS_FX_DX8_PARAMEQ, 0);
            _fxEQ[8] = Bass.BASS_ChannelSetFX(_stream, BASSFXType.BASS_FX_DX8_PARAMEQ, 0);
            _fxEQ[9] = Bass.BASS_ChannelSetFX(_stream, BASSFXType.BASS_FX_DX8_PARAMEQ, 0);

            eq.fBandwidth = 18f;

            // EQ1
            eq.fCenter = 80f;  // max. Tiefe
            eq.fGain = this.TrackBar1.Value / 10f;
            Bass.BASS_FXSetParameters(_fxEQ[0], eq);
            // EQ2
            eq.fCenter = 160f;
            eq.fGain = this.TrackBar2.Value / 10f;
            Bass.BASS_FXSetParameters(_fxEQ[1], eq);
            // EQ3
            eq.fCenter = 300f;
            eq.fGain = this.TrackBar3.Value / 10f;
            Bass.BASS_FXSetParameters(_fxEQ[2], eq);
            // EQ4
            eq.fCenter = 500f;
            eq.fGain = TrackBar4.Value / 10f;
            Bass.BASS_FXSetParameters(_fxEQ[3], eq);
            // EQ5
            eq.fCenter = 1000f;
            eq.fGain = TrackBar5.Value / 10f;
            Bass.BASS_FXSetParameters(_fxEQ[4], eq);
            // EQ6
            eq.fCenter = 3000f;
            eq.fGain = TrackBar6.Value / 10f;
            Bass.BASS_FXSetParameters(_fxEQ[5], eq);
            // EQ7
            eq.fCenter = 6000f;
            eq.fGain = TrackBar7.Value / 10f;
            Bass.BASS_FXSetParameters(_fxEQ[6], eq);
            // EQ8
            eq.fCenter = 12000f;
            eq.fGain = TrackBar8.Value / 10f;
            Bass.BASS_FXSetParameters(_fxEQ[7], eq);
            // EQ9
            eq.fCenter = 14000f;
            eq.fGain = TrackBar9.Value / 10f;
            Bass.BASS_FXSetParameters(_fxEQ[8], eq);
            // EQ10
            eq.fCenter = 16000f;
            eq.fGain = TrackBar10.Value / 10f;
            Bass.BASS_FXSetParameters(_fxEQ[9], eq);
        }


        private void UpdateEQ(int band, float gain)
        {
            BASS_DX8_PARAMEQ eq = new BASS_DX8_PARAMEQ();
            if (Bass.BASS_FXGetParameters(_fxEQ[band], eq))
            {
                eq.fGain = gain;
                Bass.BASS_FXSetParameters(_fxEQ[band], eq);
            }
        }
        #endregion