diff options
| author | Chris Robinson <chris.kcat@gmail.com> | 2019-06-04 20:27:32 -0700 |
|---|---|---|
| committer | Chris Robinson <chris.kcat@gmail.com> | 2019-06-04 20:27:32 -0700 |
| commit | b2735331c021081878ef3a6aaede39c59348f19b (patch) | |
| tree | dec4d16b35bc6901ed23102ea29ee95858b39f59 /Alc | |
| parent | 9d861406c06d44f4b39e25f3a4deabdf11242ea1 (diff) | |
Use a 16-sample base delay for the B-Format decoder IRs
Diffstat (limited to 'Alc')
| -rw-r--r-- | Alc/hrtf.cpp | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/Alc/hrtf.cpp b/Alc/hrtf.cpp index 0980dcb6..438997ad 100644 --- a/Alc/hrtf.cpp +++ b/Alc/hrtf.cpp @@ -332,10 +332,10 @@ void BuildBFormatHrtf(const HrtfEntry *Hrtf, DirectHrtfState *state, const ALsiz }; std::transform(AmbiPoints, AmbiPoints+AmbiCount, idx.begin(), calc_idxs); - /* For dual-band processing, add a 12-sample delay to compensate for the HF + /* For dual-band processing, add a 16-sample delay to compensate for the HF * scale on the minimum-phase response. */ - static constexpr ALsizei base_delay{DualBand ? 12 : 0}; + static constexpr ALsizei base_delay{DualBand ? 16 : 0}; const ALdouble xover_norm{400.0 / Hrtf->sampleRate}; BandSplitterR<double> splitter{xover_norm}; @@ -435,10 +435,10 @@ void BuildBFormatHrtf(const HrtfEntry *Hrtf, DirectHrtfState *state, const ALsiz tmpres.clear(); ALsizei max_length{HRIR_LENGTH}; - /* Increase the IR size by 24 samples with dual-band processing to account - * for the head and tail from the HF response scale. + /* Increase the IR size by double the base delay with dual-band processing + * to account for the head and tail from the HF response scale. */ - const ALsizei irsize{DualBand ? mini(Hrtf->irSize + base_delay*2, max_length) : Hrtf->irSize}; + const ALsizei irsize{mini(Hrtf->irSize + base_delay*2, max_length)}; max_length = mini(max_delay-min_delay + irsize, max_length); /* Round up to the next IR size multiple. */ |