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fix bug in bw_pink_filt + fix sample rate scaling in mono synth example

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This commit is contained in:
Stefano D'Angelo 2022-12-04 19:19:08 +01:00
parent 9069596f8d
commit ed1cb6dab1
2 changed files with 7 additions and 8 deletions
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11
examples/synth_mono/src/bw_example_synth_mono.c
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@ -337,12 +337,11 @@ void bw_example_synth_mono_process(bw_example_synth_mono instance, const float**
bw_osc_filt_process(&instance->osc_filt_state, out, out, n);
if (instance->params[p_noise_color] >= 0.5f)
for (int j = 0; j < n; j++)
out[j] = out[j] + 3.f * instance->buf[0][j];
else
for (int j = 0; j < n; j++)
out[j] = out[j] + 0.01f * bw_noise_gen_get_scaling_k(&instance->noise_gen_coeffs) * instance->buf[0][j];
const float k = instance->params[p_noise_color] >= 0.5f
? 3.f * bw_noise_gen_get_scaling_k(&instance->noise_gen_coeffs) * bw_pink_filt_get_scaling_k(&instance->pink_filt_coeffs)
: 0.01f * bw_noise_gen_get_scaling_k(&instance->noise_gen_coeffs);
for (int j = 0; j < n; j++)
out[j] = out[j] + 3.f * instance->buf[0][j];
bw_env_gen_process(&instance->vcf_env_gen_coeffs, &instance->vcf_env_gen_state, NULL, n);
float v = instance->params[p_vcf_cutoff] + instance->params[p_vcf_contour] * bw_env_gen_get_y_z1(&instance->vcf_env_gen_state) + vcf_mod;

4
include/bw_pink_filt.h
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@ -120,7 +120,7 @@ static inline void bw_pink_filt_set_sample_rate_scaling(bw_noise_gen_coeffs *BW_
*
* #### bw_pink_filt_get_scaling_k()
* ```>>> */
static inline float bw_pink_filt_get_scaling_k(const bw_noise_gen_coeffs *BW_RESTRICT coeffs);
static inline float bw_pink_filt_get_scaling_k(const bw_pink_filt_coeffs *BW_RESTRICT coeffs);
/*! <<<```
* Returns the sample rate scaling factor that is applied or would be applied
* if sample rate scaling were enabled, as stored in `coeffs`.
@ -190,7 +190,7 @@ static inline void bw_pink_filt_set_sample_rate_scaling(bw_noise_gen_coeffs *BW_
coeffs->sample_rate_scaling = value;
}
static inline float bw_pink_filt_get_scaling_k(const bw_noise_gen_coeffs *BW_RESTRICT coeffs) {
static inline float bw_pink_filt_get_scaling_k(const bw_pink_filt_coeffs *BW_RESTRICT coeffs) {
return coeffs->scaling_k;
}