Update fader value logic in Ableton exporter to handle undefined values correctly

src/lib/exporters/ableton/automation.ts

@@ -73,8 +73,7 @@ export function getFaderValueAt(
   position: number,
 ) {
   const staticValue = occurrence?.faderParams[parameter];
-  let value =
-    staticValue === undefined || staticValue === -1 ? defaultValue(parameter) : staticValue;
+  let value = staticValue === undefined || staticValue === -1 ? undefined : staticValue;
   const points = (occurrence?.faderAutomation || [])
     .filter((point) => point.parameter === parameter && point.position <= position)
     .sort((a, b) => a.position - b.position);

src/lib/exporters/ableton/builders.ts

@@ -254,13 +254,14 @@ async function buildMidiClip(
             dur = nextNote.position / 96 - noteData.position / 96;
           }
 
+          const automatedVelocity = koClip.groupPattern
+            ? getFaderValueAt(koClip.groupPattern, FaderParam.VEL, noteData.position)
+            : undefined;
           const velocity = Math.max(
             1,
             Math.min(
               127,
-              koClip.groupPattern
-                ? getFaderValueAt(koClip.groupPattern, FaderParam.VEL, noteData.position) * 127
-                : noteData.velocity,
+              automatedVelocity === undefined ? noteData.velocity : automatedVelocity * 127,
             ),
           );