From 595b31f561448d1d05f0b811dc92a459a4c496d3 Mon Sep 17 00:00:00 2001
From: Ivan COHEN <ivan.cohen@musicalentropy.com>
Date: Wed, 6 Feb 2019 13:43:52 +0100
Subject: [PATCH] Solved an issue with dsp::FilterDesign low-pass Kaiser's
 method

---
 modules/juce_dsp/filter_design/juce_FilterDesign.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/juce_dsp/filter_design/juce_FilterDesign.cpp b/modules/juce_dsp/filter_design/juce_FilterDesign.cpp
index 8327c91585..dd323bb87b 100644
--- a/modules/juce_dsp/filter_design/juce_FilterDesign.cpp
+++ b/modules/juce_dsp/filter_design/juce_FilterDesign.cpp
@@ -78,7 +78,7 @@ typename FIR::Coefficients<FloatType>::Ptr
 
     if (amplitudedB < -50)
         beta = static_cast<FloatType> (0.1102 * (-amplitudedB - 8.7));
-    else if (amplitudedB <= 21)
+    else if (amplitudedB <= -21)
         beta = static_cast<FloatType> (0.5842 * std::pow (-amplitudedB - 21, 0.4) + 0.07886 * (-amplitudedB - 21));
 
     int order = amplitudedB < -21 ? roundToInt (std::ceil ((-amplitudedB - 7.95) / (2.285 * normalisedTransitionWidth * MathConstants<double>::twoPi)))