diff --git a/src/sfizz/OpcodeCleanup.re b/src/sfizz/OpcodeCleanup.re
index 8f48ab6c..795fe053 100644
--- a/src/sfizz/OpcodeCleanup.re
+++ b/src/sfizz/OpcodeCleanup.re
@@ -132,6 +132,10 @@ end_generic:
         opcode = absl::StrCat("start_", group(1), "cc", group(2));
         goto end_region;
     }
+    "on_" ("hi"|"lo") "hdcc" (number) END {
+        opcode = absl::StrCat("start_", group(1), "hdcc", group(2));
+        goto end_region;
+    }
 
     "fil_" (any) END {
         opcode = absl::StrCat("fil1_", group(1));
diff --git a/src/sfizz/Region.cpp b/src/sfizz/Region.cpp
index 5c14c38b..b6613c69 100644
--- a/src/sfizz/Region.cpp
+++ b/src/sfizz/Region.cpp
@@ -321,6 +321,18 @@ bool sfz::Region::parseOpcode(const Opcode& rawOpcode)
         if (auto value = readOpcode(opcode.value, Default::midi7Range))
             ccTriggers[opcode.parameters.back()].setEnd(normalizeCC(*value));
         break;
+    case hash("start_lohdcc&"): // also on_lohdcc&
+        if (opcode.parameters.back() >= config::numCCs)
+            return false;
+        if (auto value = readOpcode(opcode.value, Default::normalizedRange))
+            ccTriggers[opcode.parameters.back()].setStart(*value);
+        break;
+    case hash("start_hihdcc&"): // also on_hihdcc&
+        if (opcode.parameters.back() >= config::numCCs)
+            return false;
+        if (auto value = readOpcode(opcode.value, Default::normalizedRange))
+            ccTriggers[opcode.parameters.back()].setEnd(*value);
+        break;
 
     // Performance parameters: amplifier
     case hash("volume"): // also gain
diff --git a/tests/OpcodeT.cpp b/tests/OpcodeT.cpp
index 733a185c..ed3fb40e 100644
--- a/tests/OpcodeT.cpp
+++ b/tests/OpcodeT.cpp
@@ -202,6 +202,10 @@ TEST_CASE("[Opcode] Normalization")
         {"gain_foobar", "volume_foobar"},
         {"tune", "pitch"},
         {"tune_foobar", "pitch_foobar"},
+        {"lorealcc24", "lohdcc24"},
+        {"hirealcc25", "hihdcc25"},
+        {"on_lohdcc26", "start_lohdcc26"},
+        {"on_hihdcc27", "start_hihdcc27"},
         // SFZv2 aliases
         {"on_hicc22", "start_hicc22"},
         {"on_locc23", "start_locc23"},
diff --git a/tests/RegionT.cpp b/tests/RegionT.cpp
index 19d2ab71..4884274b 100644
--- a/tests/RegionT.cpp
+++ b/tests/RegionT.cpp
@@ -496,6 +496,21 @@ TEST_CASE("[Region] Parsing opcodes")
         REQUIRE(region.ccTriggers[4] == sfz::Range<float>(0_norm, 47_norm));
     }
 
+    SECTION("on_lohdcc, on_hihdcc")
+    {
+        for (int ccIdx = 1; ccIdx < 128; ++ccIdx) {
+            REQUIRE(!region.ccTriggers.contains(ccIdx));
+        }
+        region.parseOpcode({ "on_lohdcc46", "0.15" });
+        REQUIRE(region.ccTriggers.contains(46));
+        REQUIRE(region.ccTriggers[46].getStart() == Approx(0.15f));
+        REQUIRE(region.ccTriggers[46].getEnd() == 1.0f);
+        region.parseOpcode({ "on_hihdcc5", "0.47" });
+        REQUIRE(region.ccTriggers.contains(5));
+        REQUIRE(region.ccTriggers[5].getStart() == 0.0f);
+        REQUIRE(region.ccTriggers[5].getEnd() == Approx(0.47f));
+    }
+
     SECTION("volume")
     {
         REQUIRE(region.volume == 0.0f);