diff --git a/node-server/assets/script.js b/node-server/assets/script.js
index bac48dd..caa8ba9 100644
--- a/node-server/assets/script.js
+++ b/node-server/assets/script.js
@@ -76,16 +76,20 @@ function controlPlayback(speed) {
   audioReverse.pause();
 
   // Calcule la vitesse normalisée (sensibilité appliquée)
-  let normalizedSpeed = Math.min(MAX_SPEED, Math.abs(speed) * SENSITIVITY);
+  let normalizedSpeed = Math.min(MAX_SPEED, Math.max(0.5, Math.abs(speed) * SENSITIVITY));
 
   // On lit dans le bon sens
   if (speed > 0) {
-    audioForward.playbackRate = normalizedSpeed;
-    audioForward.currentTime = Math.min(audioForward.currentTime, audioForward.duration);
+    audioForward.playbackRate = normalizedSpeed;    // Redémarrer la lecture si elle est arrivée à la fin
+    if (audioForward.currentTime >= audioForward.duration) {
+      audioForward.currentTime = 0;
+    }
     audioForward.play();
   } else {
     audioReverse.playbackRate = normalizedSpeed;
-    audioReverse.currentTime = Math.min(audioReverse.currentTime, audioReverse.duration);
+    if (audioReverse.currentTime >= audioReverse.duration) {
+      audioReverse.currentTime = 0;
+    }
     audioReverse.play();
   }