diff options
| author | Chris Robinson <[email protected]> | 2019-03-10 21:47:05 -0700 |
|---|---|---|
| committer | Chris Robinson <[email protected]> | 2019-03-10 21:47:05 -0700 |
| commit | 0689333da8d609e87ee35c86cdb6d5c567422287 (patch) | |
| tree | d609de202dd565dd97f6f3ee5502faf61c6d6565 | |
| parent | 2c67ab0d2cf8db4ec60118d3522213a50ca97de7 (diff) | |
Mirror the +90 degree elevation delays for -90 degrees
| -rw-r--r-- | utils/makehrtf.cpp | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/utils/makehrtf.cpp b/utils/makehrtf.cpp index 364484ee..b0da4620 100644 --- a/utils/makehrtf.cpp +++ b/utils/makehrtf.cpp @@ -2361,22 +2361,29 @@ static void SynthesizeOnsets(HrirDataT *hData) const uint oi{field.mEvStart}; if(oi <= 0) return; - for(uint ti{0u};ti < channels;ti++) + /* Get the -90 degree elevation delays by mirroring the +90 degree + * elevation delays. The responses are on a spherical grid centered + * between the ears, so these should align. + */ + if(channels > 1) { - double t{0.0}; - for(uint ai{0u};ai < field.mEvs[oi].mAzCount;ai++) - t += field.mEvs[oi].mAzs[ai].mDelays[ti]; - field.mEvs[0].mAzs[0].mDelays[ti] = 1.32e-4 + (t / field.mEvs[oi].mAzCount); + field.mEvs[0].mAzs[0].mDelays[0] = field.mEvs[field.mEvCount-1].mAzs[0].mDelays[1]; + field.mEvs[0].mAzs[0].mDelays[1] = field.mEvs[field.mEvCount-1].mAzs[0].mDelays[0]; + } + else + field.mEvs[0].mAzs[0].mDelays[0] = field.mEvs[field.mEvCount-1].mAzs[0].mDelays[0]; - for(uint ei{1u};ei < field.mEvStart;ei++) + for(uint ei{1u};ei < field.mEvStart;ei++) + { + const double of{static_cast<double>(ei) / field.mEvStart}; + for(uint ai{0u};ai < field.mEvs[ei].mAzCount;ai++) { - const double of{static_cast<double>(ei) / field.mEvStart}; - for(uint ai{0u};ai < field.mEvs[ei].mAzCount;ai++) - { - uint a0, a1; - double af; + uint a0, a1; + double af; - CalcAzIndices(field, oi, field.mEvs[ei].mAzs[ai].mAzimuth, &a0, &a1, &af); + CalcAzIndices(field, oi, field.mEvs[ei].mAzs[ai].mAzimuth, &a0, &a1, &af); + for(uint ti{0u};ti < channels;ti++) + { double other{Lerp(field.mEvs[oi].mAzs[a0].mDelays[ti], field.mEvs[oi].mAzs[a1].mDelays[ti], af)}; field.mEvs[ei].mAzs[ai].mDelays[ti] = Lerp(field.mEvs[0].mAzs[0].mDelays[ti], |