EMUX_FX_CUTOFF
{21, EMUX_FX_CUTOFF, fx_cutoff},
{32, EMUX_FX_CUTOFF, gs_cutoff},
{71, EMUX_FX_CUTOFF, xg_cutoff},
snd_emux_send_effect(port, chan, EMUX_FX_CUTOFF, -160,
snd_emux_send_effect(port, chan, EMUX_FX_CUTOFF, 0,