diff options
| -rw-r--r-- | src/GainControl.cpp | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/src/GainControl.cpp b/src/GainControl.cpp index e68ce99..f575133 100644 --- a/src/GainControl.cpp +++ b/src/GainControl.cpp @@ -368,7 +368,6 @@ float GainControl::computeGainMax(const complexf* in, size_t sizeIn) float GainControl::computeGainVar(const complexf* in, size_t sizeIn) { - float gain; complexf mean; /* The variance calculation is a bit strange, because we @@ -454,16 +453,18 @@ float GainControl::computeGainVar(const complexf* in, size_t sizeIn) //////////////////////////////////////////////////////////////////////////// // Computing gain //////////////////////////////////////////////////////////////////////////// + float gain = var.real(); // gain = factor128 / max(real, imag) - if (var.imag() > var.real()) { - var.real() = var.imag(); + if (var.imag() > gain) { + gain = var.imag(); } - // Detect NULL - if ((int)var.real() == 0) { + + // Ignore zero variance samples and apply no gain + if ((int)gain == 0) { gain = 1.0f; } else { - gain = factor / var.real(); + gain = factor / gain; } return gain; |