mute method
void
mute()
Implementation
void mute()
{
for(CombFilter cf in cfsL)
{
cf.mute();
}
for(CombFilter cf in cfsR)
{
cf.mute();
}
for(AllPassFilter apf in apfsL)
{
apf.mute();
}
for(AllPassFilter apf in apfsR)
{
apf.mute();
}
}