public EQ(int channel, int priority, float[] octavesSpacing)
: base(channel, priority, IntPtr.Zero)
{
foreach (var f1 in octavesSpacing)
{
bql.Add(f1, BiQuadFilter.PeakingEQ(44000, f1, 4, 1));
}
OctavesSpacing = octavesSpacing;
}
public Filter(eBiQuadFilter e, float rate, float freq, float q)
{
typ = e;
Cfreq = freq;
switch (e)
{
case eBiQuadFilter.HP:
bqf = BiQuadFilter.HighPassFilter(rate, freq, q);
break;
case eBiQuadFilter.LP:
bqf = BiQuadFilter.LowPassFilter(rate, freq, q);
break;
case eBiQuadFilter.BP:
bqf = BiQuadFilter.BandPassFilterConstantSkirtGain(rate, freq, q);
break;
default:
throw new ArgumentOutOfRangeException("e");
}
}
public void update(float rate, float f, float q)
{
if (f > 0 && Cfreq != f)
{
switch (typ)
{
case eBiQuadFilter.HP:
bqf = BiQuadFilter.HighPassFilter(rate, f, q);
break;
case eBiQuadFilter.LP:
bqf = BiQuadFilter.LowPassFilter(rate, f, q);
break;
case eBiQuadFilter.BP:
bqf = BiQuadFilter.BandPassFilterConstantSkirtGain(rate, f, q);
break;
default:
throw new ArgumentOutOfRangeException("e");
}
Cfreq = f;
}
}
public void Update(int band, float gain)
{
bql[OctavesSpacing[band]] = BiQuadFilter.PeakingEQ(44000,
OctavesSpacing[band], .2f, gain);
}