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| -rw-r--r-- | core/uhjfilter.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/core/uhjfilter.cpp b/core/uhjfilter.cpp index 3cbbc798..3624e53e 100644 --- a/core/uhjfilter.cpp +++ b/core/uhjfilter.cpp @@ -210,6 +210,9 @@ void UhjEncoderIIR::encode(float *LeftOut, float *RightOut, /* Precompute j(-0.3420201*W + 0.5098604*X) and store in mD. */ std::transform(winput, winput+SamplesToDo, mX.cbegin(), mWX.begin()+sFilterDelay, [](const float w, const float x) noexcept { return -0.3420201f*w + 0.5098604f*x; }); + /* Shift the input ahead by one sample, so that the output is delayed by + * one sample in the reverse. + */ allpass1_process_rev({mWX.data()+1, SamplesToDo+sFilterDelay-1}, mRevTemp.data()); allpass2_process(mFilterWX, {mRevTemp.data(), SamplesToDo}, SamplesToDo, mD.data()); |