start method
Implementation
void start(double delay, double frequency)
{
if (frequency > 1.0E-3)
{
_active = true;
_delay = delay;
_period = 1.0 / frequency;
_processedSampleCount = 0;
_value = 0.0;
}
else
{
_active = false;
_value = 0.0;
}
}