From edd0b8f04e5c9b1c22f9cab00d2649dedb40de9e Mon Sep 17 00:00:00 2001
From: Paul Fd <paul@ferrand.cc>
Date: Sat, 10 Apr 2021 15:48:40 +0200
Subject: [PATCH 1/2] Always "fast-off" voices that have no samples left If
 anything, it will cut the release time on an ended sample.

---
 src/sfizz/Voice.cpp | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/sfizz/Voice.cpp b/src/sfizz/Voice.cpp
index 8a73b80fb..568688c21 100644
--- a/src/sfizz/Voice.cpp
+++ b/src/sfizz/Voice.cpp
@@ -1154,9 +1154,7 @@ void Voice::Impl::fillWithData(AudioSpan<float> buffer) noexcept
                     continue;
                 }
 
-                if (!released())
-                    off(int(i), true);
-
+                off(int(i), true);
                 fill<int>(indices->subspan(i), sampleEnd);
                 fill<float>(coeffs->subspan(i), 0x1.fffffep-1);
                 break;

From b364d199306552de54d48d19a437d84f747a7e07 Mon Sep 17 00:00:00 2001
From: Paul Fd <paul@ferrand.cc>
Date: Sat, 10 Apr 2021 15:49:11 +0200
Subject: [PATCH 2/2] Ensure that transition delta is never flushed to 0

---
 src/sfizz/ADSREnvelope.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/sfizz/ADSREnvelope.cpp b/src/sfizz/ADSREnvelope.cpp
index 9a99a412a..daf0872ab 100644
--- a/src/sfizz/ADSREnvelope.cpp
+++ b/src/sfizz/ADSREnvelope.cpp
@@ -133,7 +133,8 @@ void ADSREnvelope::getBlock(absl::Span<Float> output) noexcept
             if (currentValue <= config::egReleaseThreshold) {
                 currentState = State::Fadeout;
                 currentValue = previousValue;
-                transitionDelta = -currentValue / (sampleRate * config::egTransitionTime);
+                transitionDelta = -max(config::egReleaseThreshold, currentValue)
+                    / (sampleRate * config::egTransitionTime);
             }
             break;
         case State::Fadeout: