diff --git a/frontend/src/assets/motorSound.js b/frontend/src/assets/motorSound.js
index cb37b0c..42e1069 100644
--- a/frontend/src/assets/motorSound.js
+++ b/frontend/src/assets/motorSound.js
@@ -19,7 +19,8 @@ class MotorSound {
   async init() {
     // Verwende ScriptProcessor für bessere Kompatibilität
     console.log('Initialisiere MotorSound mit ScriptProcessor');
-    this.workletNode = this.context.createScriptProcessor(1024);
+    // Kleinere Buffergröße für geringere Latenz
+    this.workletNode = this.context.createScriptProcessor(256);
     this.workletNode.onaudioprocess = this.process.bind(this);
 
     // Filter-Kette für motorähnlicheren Klang
@@ -34,7 +35,7 @@ class MotorSound {
     this.lowPass.Q.value = 0.5;
 
     this.gainNode = this.context.createGain();
-    this.gainNode.gain.value = 0.25; // Leiser starten
+    this.gainNode.gain.setValueAtTime(0.25, this.context.currentTime);
 
     // Verbindung: script -> lowshelf -> lowpass -> gain
     this.workletNode.connect(this.lowShelf);
diff --git a/frontend/src/views/minigames/TaxiGame.vue b/frontend/src/views/minigames/TaxiGame.vue
index 6363178..e876396 100644
--- a/frontend/src/views/minigames/TaxiGame.vue
+++ b/frontend/src/views/minigames/TaxiGame.vue
@@ -227,7 +227,8 @@ export default {
       obstacles: [],
       keys: {},
       motorSound: null,
-      audioContext: null
+      audioContext: null,
+      audioUnlockHandler: null
     }
   },
   async mounted() {
@@ -238,6 +239,7 @@ export default {
     this.loadMaps();
     this.setupEventListeners();
     await this.initializeMotorSound();
+    this.setupAudioUnlockHandlers();
   },
   beforeUnmount() {
     this.cleanup();
@@ -307,10 +309,25 @@ export default {
       document.addEventListener('keydown', this.handleKeyDown);
       document.addEventListener('keyup', this.handleKeyUp);
     },
+    setupAudioUnlockHandlers() {
+      this.audioUnlockHandler = async () => {
+        await this.initAudioOnUserInteraction();
+        if (this.audioContext && this.audioContext.state === 'suspended') {
+          await this.audioContext.resume().catch(() => {});
+        }
+        document.removeEventListener('pointerdown', this.audioUnlockHandler, { capture: true });
+        document.removeEventListener('touchstart', this.audioUnlockHandler, { capture: true });
+        document.removeEventListener('keydown', this.audioUnlockHandler, { capture: true });
+        this.audioUnlockHandler = null;
+      };
+      document.addEventListener('pointerdown', this.audioUnlockHandler, { capture: true, passive: true });
+      document.addEventListener('touchstart', this.audioUnlockHandler, { capture: true, passive: true });
+      document.addEventListener('keydown', this.audioUnlockHandler, { capture: true });
+    },
     
     async initializeMotorSound() {
       // AudioContext wird erst bei erster Benutzerinteraktion erstellt
-      console.log('MotorSound wird bei erster Benutzerinteraktion initialisiert');
+      if (import.meta.env?.DEV) console.log('[Audio] Lazy-Init: MotorSound wird bei erster Benutzerinteraktion initialisiert');
     },
 
     async initAudioOnUserInteraction() {
@@ -318,17 +335,21 @@ export default {
       
       try {
         this.audioContext = new (window.AudioContext || window.webkitAudioContext)();
+        if (import.meta.env?.DEV) console.log('[Audio] init: Context erstellt. state=', this.audioContext.state, 'rate=', this.audioContext.sampleRate);
         // Autoplay-Policy: Context sofort im User-Gesture fortsetzen
         if (this.audioContext.state === 'suspended') {
+          if (import.meta.env?.DEV) console.log('[Audio] init: resume() versuchen');
           await this.audioContext.resume();
+          if (import.meta.env?.DEV) console.log('[Audio] init: state nach resume=', this.audioContext.state);
         }
         const generator = new NoiseGenerator();
         this.motorSound = new MotorSound(this.audioContext, generator);
         await this.motorSound.init();
-        console.log('MotorSound initialisiert');
+        if (import.meta.env?.DEV) console.log('[Audio] init: MotorSound initialisiert');
         // Falls bereits Bewegung anliegt, Sound direkt starten
         const speedKmh = this.taxi.speed * 5;
         if (speedKmh > 0) {
+          if (import.meta.env?.DEV) console.log('[Audio] init: direkter Start. speedKmh=', speedKmh);
           this.motorSound.start();
           // Sofort Parameter setzen
           const speedFactor = Math.min(speedKmh / 120, 1);
@@ -338,7 +359,7 @@ export default {
           this.motorSound.setVolume(volume);
         }
       } catch (error) {
-        console.warn('MotorSound konnte nicht initialisiert werden:', error);
+        console.warn('[Audio] init: Fehler', error);
       }
     },
 
@@ -347,15 +368,11 @@ export default {
       
       const speedKmh = this.taxi.speed * 5; // Geschwindigkeit in km/h
       const isMoving = speedKmh > 0;
+      if (import.meta.env?.DEV) console.log('[Audio] update:', { speedKmh, isMoving, ctx: this.audioContext?.state, playing: this.motorSound.isPlaying });
       
-      // Sicherstellen, dass der AudioContext läuft
-      if (this.audioContext && this.audioContext.state === 'suspended') {
-        this.audioContext.resume().catch(() => {});
-      }
-      
-      if (isMoving && !this.motorSound.isPlaying) {
-        this.motorSound.start();
-      } else if (!isMoving && this.motorSound.isPlaying) {
+      // Start NICHT hier (kein User-Gesture). Nur Stop, wenn still.
+      if (!isMoving && this.motorSound.isPlaying) {
+        if (import.meta.env?.DEV) console.log('[Audio] update: motorSound.stop()');
         this.motorSound.stop();
       }
       
@@ -364,6 +381,7 @@ export default {
         const speedFactor = Math.min(speedKmh / 120, 1); // 0-1 basierend auf 0-120 km/h
         const motorSpeed = 0.3 + (speedFactor * 0.3); // 0.3 bis 1.5
         const volume = 0.1 + (speedFactor * 0.4); // 0.1 bis 0.5
+        if (import.meta.env?.DEV) console.log('[Audio] update: params', { motorSpeed, volume });
         
         this.motorSound.setSpeed(motorSpeed);
         this.motorSound.setVolume(volume);
@@ -382,6 +400,12 @@ export default {
       }
       document.removeEventListener('keydown', this.handleKeyDown);
       document.removeEventListener('keyup', this.handleKeyUp);
+      if (this.audioUnlockHandler) {
+        document.removeEventListener('pointerdown', this.audioUnlockHandler, { capture: true });
+        document.removeEventListener('touchstart', this.audioUnlockHandler, { capture: true });
+        document.removeEventListener('keydown', this.audioUnlockHandler, { capture: true });
+        this.audioUnlockHandler = null;
+      }
     },
     
     generateLevel() {
@@ -982,19 +1006,17 @@ export default {
     
     async handleCanvasClick(event) {
       // AudioContext bei erster Benutzerinteraktion initialisieren
+      if (import.meta.env?.DEV) console.log('[Audio] CanvasClick: start, hasCtx=', !!this.audioContext);
       await this.initAudioOnUserInteraction();
       if (this.audioContext && this.audioContext.state === 'suspended') {
+        if (import.meta.env?.DEV) console.log('[Audio] CanvasClick: resume()');
         await this.audioContext.resume().catch(() => {});
+        if (import.meta.env?.DEV) console.log('[Audio] CanvasClick: state=', this.audioContext.state);
       }
-      // Motor ggf. direkt starten
+      // Motor ggf. direkt starten (Klick ist User-Geste)
       if (this.motorSound && !this.motorSound.isPlaying) {
+        if (import.meta.env?.DEV) console.log('[Audio] CanvasClick: motorSound.start()');
         this.motorSound.start();
-        const speedKmh = this.taxi.speed * 5;
-        const speedFactor = Math.min(speedKmh / 120, 1);
-        const motorSpeed = 0.3 + (speedFactor * 0.3);
-        const volume = 0.1 + (speedFactor * 0.4);
-        this.motorSound.setSpeed(motorSpeed);
-        this.motorSound.setVolume(volume);
       }
     },
     
@@ -1002,14 +1024,18 @@ export default {
       this.keys[event.key] = true;
       
       // AudioContext bei erster Benutzerinteraktion initialisieren
+      if (import.meta.env?.DEV) console.log('[Audio] KeyDown: key=', event.key, 'hasCtx=', !!this.audioContext);
       await this.initAudioOnUserInteraction();
       if (this.audioContext && this.audioContext.state === 'suspended') {
+        if (import.meta.env?.DEV) console.log('[Audio] KeyDown: resume()');
         await this.audioContext.resume().catch(() => {});
       }
-      // Motor ggf. direkt starten
-      if (this.motorSound && !this.motorSound.isPlaying) {
+      // Bei Beschleunigungs-Key Motor starten (User-Geste garantiert)
+      if ((event.key === 'ArrowUp' || event.key === 'w' || event.key === 'W') && this.motorSound && !this.motorSound.isPlaying) {
+        if (import.meta.env?.DEV) console.log('[Audio] KeyDown: motorSound.start()');
         this.motorSound.start();
-        const speedKmh = this.taxi.speed * 5;
+        // Direkt Parameter setzen, um hörbares Feedback ohne Verzögerung zu bekommen
+        const speedKmh = Math.max(5, this.taxi.speed * 5);
         const speedFactor = Math.min(speedKmh / 120, 1);
         const motorSpeed = 0.3 + (speedFactor * 0.3);
         const volume = 0.1 + (speedFactor * 0.4);