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authorChris Robinson <[email protected]>2018-07-21 14:22:52 -0700
committerChris Robinson <[email protected]>2018-07-21 14:22:52 -0700
commit809f709ba6afd81defae132128f68d0fce56ea82 (patch)
tree1b43d847065240eea83b360d22c6dbb6949ccfb5 /Alc
parent6fe1ffa3bb822105f1f0a848adba22478eef02a9 (diff)
Limit the normalized filter frequency to under half
Nearing half, weird things can start happening with the filters' generated sine and cosine values.
Diffstat (limited to 'Alc')
-rw-r--r--Alc/effects/modulator.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/Alc/effects/modulator.c b/Alc/effects/modulator.c
index 797a2075..9855b1b8 100644
--- a/Alc/effects/modulator.c
+++ b/Alc/effects/modulator.c
@@ -148,7 +148,7 @@ static ALvoid ALmodulatorState_update(ALmodulatorState *state, const ALCcontext
state->GetSamples = ModulateSquare;
f0norm = props->Modulator.HighPassCutoff / (ALfloat)device->Frequency;
- f0norm = clampf(f0norm, 1.0f/512.0f, 0.5f);
+ f0norm = clampf(f0norm, 1.0f/512.0f, 0.49f);
/* Bandwidth value is constant in octaves. */
BiquadFilter_setParams(&state->Chans[0].Filter, BiquadType_HighPass, 1.0f,
f0norm, calc_rcpQ_from_bandwidth(f0norm, 0.75f));