v2.4

src/app.py

@@ -108,7 +108,8 @@ user_memory = UserMemoryService()
 
 def save_preferences(name: str, favorite_genres: List[str], interests: List[str], 
                      podcast_interests: List[str], mood: str, 
-                     music_filter: bool, news_filter: bool, podcast_filter: bool, story_filter: bool) -> str:
+                     music_filter: bool, news_filter: bool, podcast_filter: bool, story_filter: bool,
+                     voice_name: str = None) -> str:
     """Save user preferences to RAG system"""
     
     # Initialize user if not already done
@@ -117,12 +118,20 @@ def save_preferences(name: str, favorite_genres: List[str], interests: List[str]
         radio_state["user_id"] = user_id
         print(f"👤 User initialized: {radio_state['user_id']}")
     
+    # Map voice name to voice_id if needed
+    from tts_service import VOICE_OPTIONS
+    selected_voice_id = "21m00Tcm4TlvDq8ikWAM"  # Default Rachel
+    if voice_name and voice_name in VOICE_OPTIONS:
+        selected_voice_id = VOICE_OPTIONS[voice_name]
+    
     preferences = {
         "name": name or "Friend",
         "favorite_genres": favorite_genres or ["pop"],
         "interests": interests or ["world"],
         "podcast_interests": podcast_interests or ["technology"],
         "mood": mood or "happy",
+        "voice_id": selected_voice_id,
+        "voice_name": voice_name or "Rachel (Female)",
         "content_filter": {
             "music": music_filter,
             "news": news_filter,
@@ -137,6 +146,11 @@ def save_preferences(name: str, favorite_genres: List[str], interests: List[str]
     
     radio_state["user_preferences"] = preferences
     
+    # Update TTS service with new voice
+    global tts_service
+    tts_service.voice_id = selected_voice_id
+    print(f"🎤 Voice updated to: {voice_name} (ID: {selected_voice_id})")
+    
     # Save to RAG system with user_id
     user_id = radio_state.get("user_id")
     agent.rag_system.store_user_preferences(preferences, user_id=user_id)
@@ -153,20 +167,33 @@ def get_saved_preferences() -> tuple:
     """Get saved preferences for the current user to autofill the form
     
     Returns:
-        Tuple of (name, genres, interests, podcast_interests, mood, music, news, podcast, story)
+        Tuple of (name, genres, interests, podcast_interests, mood, music, news, podcast, story, voice_name)
     """
     user_id = radio_state.get("user_id")
     if not user_id:
         # Return defaults
-        return "Friend", ["pop", "rock"], ["technology", "world"], ["technology"], "happy", True, True, True, True
+        return "Friend", ["pop", "rock"], ["technology", "world"], ["technology"], "happy", True, True, True, True, "Rachel (Female)"
     
     prefs = user_memory.get_user_preferences(user_id)
     if not prefs:
-        return "Friend", ["pop", "rock"], ["technology", "world"], ["technology"], "happy", True, True, True, True
+        return "Friend", ["pop", "rock"], ["technology", "world"], ["technology"], "happy", True, True, True, True, "Rachel (Female)"
     
     # Extract content filter
     content_filter = prefs.get("content_filter", {})
     
+    # Get voice name (prefer stored voice_name, otherwise map from voice_id)
+    voice_name = prefs.get("voice_name", "Rachel (Female)")
+    if not voice_name or voice_name not in ["Rachel (Female)", "Lera (Female)", "Bella (Female)", "Antoni (Male)", "Arnold (Male)", "Adam (Male)", "Domi (Female)", "Elli (Female)", "Josh (Male)", "Sam (Male)"]:
+        # Try to map voice_id back to name
+        from tts_service import VOICE_OPTIONS
+        voice_id = prefs.get("voice_id", "21m00Tcm4TlvDq8ikWAM")
+        for name, vid in VOICE_OPTIONS.items():
+            if vid == voice_id:
+                voice_name = name
+                break
+        else:
+            voice_name = "Rachel (Female)"  # Default fallback
+    
     return (
         prefs.get("name", "Friend"),
         prefs.get("favorite_genres", ["pop", "rock"]),
@@ -176,7 +203,8 @@ def get_saved_preferences() -> tuple:
         content_filter.get("music", True),
         content_filter.get("news", True),
         content_filter.get("podcasts", True),
-        content_filter.get("stories", True)
+        content_filter.get("stories", True),
+        voice_name
     )
 
 def start_radio_stream():
@@ -200,7 +228,9 @@ def start_radio_stream():
                 "favorite_genres": ["pop", "rock"],
                 "interests": ["technology", "world"],
                 "podcast_interests": ["technology"],
-                "mood": "happy"
+                "mood": "happy",
+                "voice_id": "21m00Tcm4TlvDq8ikWAM",
+                "voice_name": "Rachel (Female)"
             }
             radio_state["content_filter"] = {
                 "music": True, "news": True, "podcasts": True, "stories": True
@@ -263,7 +293,11 @@ def start_and_play_first_segment():
                 radio_state["content_filter"] = saved.get("content_filter", {
                     "music": True, "news": True, "podcasts": True, "stories": True
                 })
+                # Update TTS service with saved voice
+                voice_id = saved.get("voice_id", "21m00Tcm4TlvDq8ikWAM")
+                tts_service.voice_id = voice_id
                 print(f"📂 Loaded saved preferences for user {user_id}")
+                print(f"🎤 Voice set to: {saved.get('voice_name', 'Rachel (Female)')} (ID: {voice_id})")
         
         # Still no preferences? Use defaults
         if not radio_state["user_preferences"]:
@@ -272,11 +306,15 @@ def start_and_play_first_segment():
                 "favorite_genres": ["pop", "rock"],
                 "interests": ["technology", "world"],
                 "podcast_interests": ["technology"],
-                "mood": "happy"
+                "mood": "happy",
+                "voice_id": "21m00Tcm4TlvDq8ikWAM",
+                "voice_name": "Rachel (Female)"
             }
             radio_state["content_filter"] = {
                 "music": True, "news": True, "podcasts": True, "stories": True
             }
+            # Update TTS service with default voice
+            tts_service.voice_id = "21m00Tcm4TlvDq8ikWAM"
             print("📋 Using default preferences")
     
     # Check if resuming from stopped state (only if show was manually stopped, not completed)
@@ -994,7 +1032,8 @@ def handle_voice_request():
             user_memory.add_to_history(user_id, track)
         
         # Generate host response using LLM
-        host_response = agent.generate_song_request_response(recognized_text, track)
+        user_prefs = radio_state.get("user_preferences", {})
+        host_response = agent.generate_song_request_response(recognized_text, track, user_prefs)
         
         # Generate TTS for host response
         audio_file = None
@@ -1538,6 +1577,15 @@ with gr.Blocks(css=custom_css, title="AI Radio 🎵", theme=gr.themes.Soft(), he
                         choices=["happy", "energetic", "calm", "focused", "relaxed"],
                         value="happy"
                     )
+                    
+                    # Add voice selection dropdown
+                    from tts_service import VOICE_OPTIONS
+                    voice_input = gr.Dropdown(
+                        label="🎤 Host Voice",
+                        choices=list(VOICE_OPTIONS.keys()),
+                        value="Rachel (Female)",
+                        info="Choose the voice for your radio host"
+                    )
                 
                 with gr.Column():
                     genres_input = gr.Dropdown(
@@ -1666,7 +1714,7 @@ with gr.Blocks(css=custom_css, title="AI Radio 🎵", theme=gr.themes.Soft(), he
         save_pref_btn.click(
             fn=save_preferences,
             inputs=[name_input, genres_input, interests_input, podcast_input, mood_input,
-                   music_filter, news_filter, podcast_filter, story_filter],
+                   music_filter, news_filter, podcast_filter, story_filter, voice_input],
             outputs=[pref_status]
         ).then(
             fn=lambda: gr.Tabs(selected=2),  # Go to Radio Player tab (id=2)
@@ -1681,14 +1729,14 @@ with gr.Blocks(css=custom_css, title="AI Radio 🎵", theme=gr.themes.Soft(), he
                 # Get preferences to autofill
                 prefs = get_saved_preferences()
                 # Returns: message, user_id, passphrase, passphrase_display, auth_status_md,
-                #          name, genres, interests, podcasts, mood, music, news, podcast, story
+                #          name, genres, interests, podcasts, mood, music, news, podcast, story, voice
                 return (message, user_id, pp, pp, f"✅ Logged in! Passphrase: **{pp}**",
                         prefs[0], prefs[1], prefs[2], prefs[3], prefs[4],
-                        prefs[5], prefs[6], prefs[7], prefs[8])
+                        prefs[5], prefs[6], prefs[7], prefs[8], prefs[9])
             # Failed login - return empty/default values
             return (message, "", "", "", "*Login failed*",
                     "Friend", ["pop", "rock"], ["technology", "world"], ["technology"], "happy",
-                    True, True, True, True)
+                    True, True, True, True, "Rachel (Female)")
         
         def handle_create_account():
             """Handle new account creation"""
@@ -1721,16 +1769,16 @@ Your passphrase: **{passphrase}**
 • Play history: {stats.get('total_plays', 0)} tracks"""
                 
                 # Return: message, user_id, passphrase, passphrase_display,
-                #         name, genres, interests, podcasts, mood, music, news, podcast, story
+                #         name, genres, interests, podcasts, mood, music, news, podcast, story, voice
                 return (message, user_id, passphrase, passphrase,
                         prefs[0], prefs[1], prefs[2], prefs[3], prefs[4],
-                        prefs[5], prefs[6], prefs[7], prefs[8])
+                        prefs[5], prefs[6], prefs[7], prefs[8], prefs[9])
             else:
                 # No cookie - return defaults
                 return ("*No saved account found. Create a new account or log in with your passphrase.*", 
                         "", "", "",
                         "Friend", ["pop", "rock"], ["technology", "world"], ["technology"], "happy",
-                        True, True, True, True)
+                        True, True, True, True, "Rachel (Female)")
         
         # Login button - single handler that returns everything
         login_btn.click(
@@ -1738,7 +1786,7 @@ Your passphrase: **{passphrase}**
             inputs=[passphrase_input],
             outputs=[login_status, auth_user_id, auth_passphrase, passphrase_display, auth_status,
                     name_input, genres_input, interests_input, podcast_input, mood_input,
-                    music_filter, news_filter, podcast_filter, story_filter]
+                    music_filter, news_filter, podcast_filter, story_filter, voice_input]
         ).then(
             # Save to localStorage via JS
             fn=None,
@@ -1780,7 +1828,7 @@ Your passphrase: **{passphrase}**
             inputs=[auth_user_id],
             outputs=[auth_status, auth_user_id, auth_passphrase, passphrase_display,
                     name_input, genres_input, interests_input, podcast_input, mood_input,
-                    music_filter, news_filter, podcast_filter, story_filter]
+                    music_filter, news_filter, podcast_filter, story_filter, voice_input]
         ).then(
             # Save to localStorage (in case new user was created)
             fn=None,
@@ -1844,7 +1892,7 @@ Your passphrase: **{passphrase}**
             - **📰 Custom News**: Real-time news updates on topics you care about
             - **🎙️ Podcast Recommendations**: Discover interesting podcasts matching your interests
             - **📖 AI-Generated Stories**: Entertaining stories and fun facts
-            - **🤖 AI Host**: Dynamic AI radio host (Lera) that introduces segments
+            - **🤖 AI Host**: Dynamic AI radio host that introduces segments (choose your preferred voice!)
             - **💾 Smart Recommendations**: RAG system learns from your listening history
             - **🔐 User Accounts**: Passphrase-based authentication with saved preferences
             

src/config.py

@@ -6,7 +6,7 @@ class RadioConfig(BaseModel):
     """Configuration for the radio app"""
     
     # API Keys
-    elevenlabs_api_key: str = "sk_2dde999f3cedf21dff7ba4671ce27f292e48ea37d30c5e4a"
+    elevenlabs_api_key: str = "sk_d0a3622fe5acdf6c747236728ef193a3726c29bc943519d5"
     llamaindex_api_key: str = "llx-WRsj0iehk2ZlSlNIenOLyyhO9X1yFT4CmJXpl0qk6hapFi01"
     nebius_api_key: str = "v1.CmQKHHN0YXRpY2tleS1lMDB0eTkxeTdwY3lxNDk5OWcSIXNlcnZpY2VhY2NvdW50LWUwMGowemtmZWpqc2E3ZHF3aDIMCKb4oskGENS9j8MBOgwIpfu6lAcQgOqAhwNAAloDZTAw.AAAAAAAAAAGEI_L5sJCQ7XR93nSzvXCPO-J3-gHjqPiRqrvkrMLeDtd-70zGWB1-c8yovnX-q7yEc1dHOnA2L8FUa3Le6X8D"
     # Nebius OpenAI-compatible endpoint and model

src/radio_agent.py

@@ -203,9 +203,13 @@ class RadioAgent:
         time_of_day = self._get_time_of_day()
         interests = preferences.get('interests', ['technology'])
         
+        # Get voice name from preferences (remove gender suffix)
+        voice_name = preferences.get('voice_name', 'Rachel (Female)')
+        host_name = voice_name.split(' (')[0] if ' (' in voice_name else voice_name
+        
         if self.client:
             try:
-                prompt = f"""You are a charismatic, entertaining radio host named Lera, you work on AI RADIO. Create a warm, engaging {time_of_day} greeting 
+                prompt = f"""You are a charismatic, entertaining radio host named {host_name}, you work on AI RADIO. Create a warm, engaging {time_of_day} greeting 
                 for {name}. The listener is feeling {mood} and interested in {', '.join(interests[:2])}.
                 
                 Make it:
@@ -415,8 +419,12 @@ class RadioAgent:
         else:
             print(f"  ℹ️  [RAG] No context available - using standard prompt")
         
+        # Get voice name from preferences (remove gender suffix)
+        voice_name = preferences.get('voice_name', 'Rachel (Female)')
+        host_name = voice_name.split(' (')[0] if ' (' in voice_name else voice_name
+        
         try:
-            prompt = f"""You are an energetic, entertaining radio DJ named Lera. This is a middle of a show. Introduce this song in a fun, engaging way:
+            prompt = f"""You are an energetic, entertaining radio DJ named {host_name}. This is a middle of a show. Introduce this song in a fun, engaging way:
             Title: {track['title']}
             Artist: {track['artist']}
             Genre: {track['genre']}
@@ -496,8 +504,12 @@ class RadioAgent:
                 news_text = "\n".join([f"- {item['title']}: {item['summary']}" for item in valid_items])
                 print(f"📰 Generating news script from {len(valid_items)} items")
                 
-                prompt = f"""You are a professional radio news presenter named Lera. Say that this is news time on the show.
-Present these news items in a conversational, engaging way. Text includes only what Lera needs to say. This should be about 1 minute of speech (about 150-200 words):
+                # Get voice name from preferences (remove gender suffix)
+                voice_name = preferences.get('voice_name', 'Rachel (Female)')
+                host_name = voice_name.split(' (')[0] if ' (' in voice_name else voice_name
+                
+                prompt = f"""You are a professional radio news presenter named {host_name}. Say that this is news time on the show.
+Present these news items in a conversational, engaging way. Text includes only what {host_name} needs to say. This should be about 1 minute of speech (about 150-200 words):
 
 News items:
 {news_text}
@@ -583,8 +595,12 @@ Requirements:
         if not podcast or not self.client:
             return "Time for an interesting podcast!"
         
+        # Get voice name from preferences (remove gender suffix)
+        voice_name = preferences.get('voice_name', 'Rachel (Female)')
+        host_name = voice_name.split(' (')[0] if ' (' in voice_name else voice_name
+        
         try:
-            prompt = f"""You are a radio host Lera introducing a podcast. This is a middle of the show. Create a brief, engaging intro (2-3 sentences, max_tokens = 200):
+            prompt = f"""You are a radio host {host_name} introducing a podcast. This is a middle of the show. Create a brief, engaging intro (2-3 sentences, max_tokens = 200):
             
             Podcast: {podcast['title']}
             Host: {podcast['host']}
@@ -612,14 +628,21 @@ Requirements:
         except Exception as e:
             return f"Check out {podcast['title']} hosted by {podcast['host']}!"
     
-    def _generate_story(self, mood: str, interests: List[str]) -> str:
+    def _generate_story(self, mood: str, interests: List[str], preferences: Dict[str, Any] = None) -> str:
         """Generate an interesting story or fun fact"""
         if not self.client:
             return "Here's a fun fact: Music can boost your mood and productivity!"
         
+        # Get voice name from preferences (remove gender suffix)
+        if preferences:
+            voice_name = preferences.get('voice_name', 'Rachel (Female)')
+            host_name = voice_name.split(' (')[0] if ' (' in voice_name else voice_name
+        else:
+            host_name = "Rachel"  # Default fallback
+        
         try:
             interest = random.choice(interests) if interests else "general knowledge"
-            prompt = f"""Share a fascinating, {mood} story or fun fact about {interest}. 
+            prompt = f"""You are a radio host named {host_name}. Share a fascinating, {mood} story or fun fact about {interest}. 
             Keep it engaging and under 100-200 words. max_tokens = 600"""
             
             response = self.client.chat.completions.create(
@@ -642,17 +665,24 @@ Requirements:
         except Exception as e:
             return "Here's something interesting: The world's oldest radio station has been broadcasting since 1920!"
     
-    def generate_song_request_response(self, user_request: str, track: Dict[str, Any]) -> str:
+    def generate_song_request_response(self, user_request: str, track: Dict[str, Any], preferences: Dict[str, Any] = None) -> str:
         """Generate a short, engaging host response for a voice song request"""
         title = track.get('title', 'this track')
         artist = track.get('artist', 'Unknown Artist')
         genre = track.get('genre', '')
         
+        # Get voice name from preferences (remove gender suffix)
+        if preferences:
+            voice_name = preferences.get('voice_name', 'Rachel (Female)')
+            host_name = voice_name.split(' (')[0] if ' (' in voice_name else voice_name
+        else:
+            host_name = "Rachel"  # Default fallback
+        
         if not self.client:
             return f"Great choice! Here's '{title}' by {artist} coming right up!"
         
         try:
-            prompt = f"""You are an upbeat radio DJ. A listener just asked: "{user_request}"
+            prompt = f"""You are an upbeat radio DJ named {host_name}. A listener just asked: "{user_request}"
 You found the song "{title}" by {artist}{f' ({genre})' if genre else ''}.
 
 Write a SHORT, enthusiastic 1-2 sentence response (max 200 tokens) introducing the song.
@@ -827,7 +857,7 @@ Don't use emojis. Just speak naturally like a real DJ."""
             if not segment.get("content"):
                 mood = prefs.get("mood", "happy")
                 interests = prefs.get("interests", ["technology"])
-                segment["content"] = self._generate_story(mood, interests)
+                segment["content"] = self._generate_story(mood, interests, prefs)
 
         return segment
     

src/tts_service.py

@@ -3,6 +3,20 @@ import os
 from typing import Optional, List, Dict
 from elevenlabs import ElevenLabs, VoiceSettings
 
+# Voice options mapping (name -> voice_id)
+VOICE_OPTIONS = {
+    "Rachel (Female)": "21m00Tcm4TlvDq8ikWAM",  # Default - Rachel
+    "Lera (Female)": "EXAVITQu4vr4xnSDxMaL",  # Lera - female voice
+    "Bella (Female)": "EXAVITQu4vr4xnSDxMaL",  # Alternative female
+    "Antoni (Male)": "ErXwobaYiN019PkySvjV",  # Antoni - male voice
+    "Arnold (Male)": "VR6AewLTigWG4xSOukaG",  # Arnold - male voice
+    "Adam (Male)": "pNInz6obpgDQGcFmaJgB",  # Adam - male voice
+    "Domi (Female)": "AZnzlk1XvdvUeBnXmlld",  # Domi - female voice
+    "Elli (Female)": "MF3mGyEYCl7XYWbV9V6O",  # Elli - female voice
+    "Josh (Male)": "TxGEqnHWrfWFTfGW9XjX",  # Josh - male voice
+    "Sam (Male)": "yoZ06aMxZJJ28mfd3POQ",  # Sam - male voice
+}
+
 
 class TTSService:
     """Text-to-Speech service using ElevenLabs API"""