diff --git a/src/sfizz/Region.cpp b/src/sfizz/Region.cpp
index bca59664..10b7b7ec 100644
--- a/src/sfizz/Region.cpp
+++ b/src/sfizz/Region.cpp
@@ -1016,48 +1016,6 @@ uint32_t sfz::Region::loopEnd(Oversampling factor) const noexcept
     return loopRange.getEnd() * static_cast<uint32_t>(factor);
 }
 
-template<class T, class U>
-float crossfadeIn(const sfz::Range<T>& crossfadeRange, U value, SfzCrossfadeCurve curve)
-{
-    if (value < crossfadeRange.getStart())
-        return 0.0f;
-
-    const auto length = static_cast<float>(crossfadeRange.length());
-    if (length == 0.0f)
-        return 1.0f;
-
-    else if (value < crossfadeRange.getEnd()) {
-        const auto crossfadePosition = static_cast<float>(value - crossfadeRange.getStart()) / length;
-        if (curve == SfzCrossfadeCurve::power)
-            return sqrt(crossfadePosition);
-        if (curve == SfzCrossfadeCurve::gain)
-            return crossfadePosition;
-    }
-
-    return 1.0f;
-}
-
-template<class T, class U>
-float crossfadeOut(const sfz::Range<T>& crossfadeRange, U value, SfzCrossfadeCurve curve)
-{
-    if (value > crossfadeRange.getEnd())
-        return 0.0f;
-
-    const auto length = static_cast<float>(crossfadeRange.length());
-    if (length == 0.0f)
-        return 1.0f;
-
-    else if (value > crossfadeRange.getStart()) {
-        const auto crossfadePosition = static_cast<float>(value - crossfadeRange.getStart()) / length;
-        if (curve == SfzCrossfadeCurve::power)
-            return std::sqrt(1 - crossfadePosition);
-        if (curve == SfzCrossfadeCurve::gain)
-            return 1 - crossfadePosition;
-    }
-
-    return 1.0f;
-}
-
 float sfz::Region::getNoteGain(int noteNumber, float velocity) const noexcept
 {
     ASSERT(velocity >= 0.0f && velocity <= 1.0f);
diff --git a/src/sfizz/SfzHelpers.h b/src/sfizz/SfzHelpers.h
index e0a885d0..0d18a465 100644
--- a/src/sfizz/SfzHelpers.h
+++ b/src/sfizz/SfzHelpers.h
@@ -14,6 +14,7 @@
 #include "Config.h"
 #include "MathHelpers.h"
 #include "absl/meta/type_traits.h"
+#include "Defaults.h"
 
 namespace sfz
 {
@@ -305,5 +306,55 @@ inline CXX14_CONSTEXPR void multiplyByCents(float& base, int modifier)
     base *= centsFactor(modifier);
 }
 
+
+/**
+ * @brief Compute a crossfade in value with respect to a crossfade range (note, velocity, cc, ...)
+ */
+template<class T, class U>
+float crossfadeIn(const sfz::Range<T>& crossfadeRange, U value, SfzCrossfadeCurve curve)
+{
+    if (value < crossfadeRange.getStart())
+        return 0.0f;
+
+    const auto length = static_cast<float>(crossfadeRange.length());
+    if (length == 0.0f)
+        return 1.0f;
+
+    else if (value < crossfadeRange.getEnd()) {
+        const auto crossfadePosition = static_cast<float>(value - crossfadeRange.getStart()) / length;
+        if (curve == SfzCrossfadeCurve::power)
+            return sqrt(crossfadePosition);
+        if (curve == SfzCrossfadeCurve::gain)
+            return crossfadePosition;
+    }
+
+    return 1.0f;
+}
+
+
+/**
+ * @brief Compute a crossfade out value with respect to a crossfade range (note, velocity, cc, ...)
+ */
+template<class T, class U>
+float crossfadeOut(const sfz::Range<T>& crossfadeRange, U value, SfzCrossfadeCurve curve)
+{
+    if (value > crossfadeRange.getEnd())
+        return 0.0f;
+
+    const auto length = static_cast<float>(crossfadeRange.length());
+    if (length == 0.0f)
+        return 1.0f;
+
+    else if (value > crossfadeRange.getStart()) {
+        const auto crossfadePosition = static_cast<float>(value - crossfadeRange.getStart()) / length;
+        if (curve == SfzCrossfadeCurve::power)
+            return std::sqrt(1 - crossfadePosition);
+        if (curve == SfzCrossfadeCurve::gain)
+            return 1 - crossfadePosition;
+    }
+
+    return 1.0f;
+}
+
 } // namespace sfz