kcat/openal-soft
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Prevent the autowah filter frequency from reaching nyquist

Browse Source
This commit is contained in:
Chris Robinson 2018-08-06 14:14:31 -07:00
parent 4f92bd5938
commit 32edc7f33f
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Alc/effects/autowah.c
View File

@ -153,7 +153,7 @@ static ALvoid ALautowahState_process(ALautowahState *state, ALsizei SamplesToDo,
env_delay = lerp(sample, env_delay, a); env_delay = lerp(sample, env_delay, a);
/* Calculate the cos and alpha components for this sample's filter. */ /* Calculate the cos and alpha components for this sample's filter. */
w0 = (bandwidth*env_delay + freq_min) * F_TAU; w0 = minf((bandwidth*env_delay + freq_min), 0.49f) * F_TAU;
state->CosW0[i] = cosf(w0); state->CosW0[i] = cosf(w0);
state->Alpha[i] = sinf(w0)/(2.0f * Q_FACTOR); state->Alpha[i] = sinf(w0)/(2.0f * Q_FACTOR);
} }