#include "config.h"
#include "util/iir.h"
#include "util/buffer.h"
Glame Butterworth X-over Filter
Butterworth X-over filter
sample_rate = s_rate;
butterworth_stage(gt, 0, cutoff, resonance, sample_rate);
iir_process_buffer_1s_5(iirf, gt, input, lpoutput, sample_count,0);
buffer_sub(input, lpoutput, hpoutput, sample_count);
gt = init_iir_stage(IIR_STAGE_LOWPASS,1,3,2);
iirf = init_iirf_t(gt);
butterworth_stage(gt, 0, *(plugin_data->cutoff),
*(plugin_data->resonance),
sample_rate);
free_iirf_t(plugin_data->iirf, plugin_data->gt);
free_iir_stage(plugin_data->gt);
Cutoff Frequency (Hz)
Resonance
Input
LP-Output
HP-Output
GLAME Butterworth Lowpass
Butterworth lowpass filter
sample_rate = s_rate;
butterworth_stage(gt, 0, cutoff, resonance, sample_rate);
iir_process_buffer_1s_5(iirf, gt, input, output, sample_count,0);
gt = init_iir_stage(IIR_STAGE_LOWPASS,1,3,2);
iirf = init_iirf_t(gt);
butterworth_stage(gt, 0, *(plugin_data->cutoff),
*(plugin_data->resonance),
sample_rate);
free_iirf_t(plugin_data->iirf, plugin_data->gt);
free_iir_stage(plugin_data->gt);
Cutoff Frequency (Hz)
Resonance
Input
Output
GLAME Butterworth Highpass
Butterworth highpass filter
sample_rate = s_rate;
butterworth_stage(gt, 1, cutoff, resonance, sample_rate);
iir_process_buffer_1s_5(iirf, gt, input, output, sample_count,0);
gt = init_iir_stage(IIR_STAGE_LOWPASS,1,3,2);
iirf = init_iirf_t(gt);
butterworth_stage(gt, 1, *(plugin_data->cutoff),
*(plugin_data->resonance),
sample_rate);
free_iirf_t(plugin_data->iirf, plugin_data->gt);
free_iir_stage(plugin_data->gt);
Cutoff Frequency (Hz)
Resonance
Input
Output