summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/sound/flt_biquad.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/devices/sound/flt_biquad.h')
-rw-r--r--src/devices/sound/flt_biquad.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/devices/sound/flt_biquad.h b/src/devices/sound/flt_biquad.h
index d33c5f1db39..ec292a462c8 100644
--- a/src/devices/sound/flt_biquad.h
+++ b/src/devices/sound/flt_biquad.h
@@ -82,6 +82,15 @@ public:
void opamp_diff_bandpass_modify(double r1, double r2, double c1, double c2);
biquad_params opamp_diff_bandpass_calc(double r1, double r2, double c1, double c2);
+ // RC-based band-pass, resistors connected to each other.
+ filter_biquad_device& rc_rr_bandpass_setup(double r1, double r2, double c1, double c2);
+ void rc_rr_bandpass_modify(double r1, double r2, double c1, double c2);
+ biquad_params rc_rr_bandpass_calc(double r1, double r2, double c1, double c2);
+
+ // RC-based band-pass, capacitors connected to each other.
+ filter_biquad_device& rc_cc_bandpass_setup(double r1, double r2, double c1, double c2);
+ void rc_cc_bandpass_modify(double r1, double r2, double c1, double c2);
+ biquad_params rc_cc_bandpass_calc(double r1, double r2, double c1, double c2);
protected:
// device-level overrides