Initial commit: AI Radio Show web application

- FastAPI backend with multiple TTS providers (Inworld, ElevenLabs, Kokoro, F5-TTS, etc.)
- Web frontend with caller management, music, and soundboard
- Whisper transcription integration
- OpenRouter/Ollama LLM support
- Castopod podcast publishing script

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

download_sounds.py

@@ -0,0 +1,109 @@
+#!/usr/bin/env python3
+"""
+Download free sound effects for the radio show soundboard.
+Uses sounds from freesound.org and other free sources.
+"""
+
+import os
+import urllib.request
+import ssl
+from pathlib import Path
+
+# Bypass SSL issues
+ssl._create_default_https_context = ssl._create_unverified_context
+
+SOUNDS_DIR = Path(__file__).parent / "sounds"
+SOUNDS_DIR.mkdir(exist_ok=True)
+
+# Free sound effect URLs (public domain / CC0)
+# These are from various free sources
+SOUND_URLS = {
+    # Using pixabay free sounds (no attribution required)
+    'rimshot.wav': 'https://cdn.pixabay.com/audio/2022/03/15/audio_7a569d6dde.mp3',
+    'laugh.wav': 'https://cdn.pixabay.com/audio/2024/02/14/audio_70fa4b1f7c.mp3',
+    'sad_trombone.wav': 'https://cdn.pixabay.com/audio/2022/03/15/audio_cce0f1f0f1.mp3',
+    'cheer.wav': 'https://cdn.pixabay.com/audio/2021/08/04/audio_0625c1539c.mp3',
+    'boo.wav': 'https://cdn.pixabay.com/audio/2022/10/30/audio_f2a4d3d7db.mp3',
+    'drumroll.wav': 'https://cdn.pixabay.com/audio/2022/03/24/audio_52a6ef9129.mp3',
+    'crickets.wav': 'https://cdn.pixabay.com/audio/2022/03/09/audio_691875e05c.mp3',
+    'phone_ring.wav': 'https://cdn.pixabay.com/audio/2022/03/15/audio_0f66b49312.mp3',
+}
+
+def download_sound(name, url):
+    """Download a sound file"""
+    output_path = SOUNDS_DIR / name
+
+    if output_path.exists():
+        print(f"  ✓ {name} (already exists)")
+        return True
+
+    try:
+        print(f"  Downloading {name}...")
+
+        # Download the file
+        req = urllib.request.Request(url, headers={'User-Agent': 'Mozilla/5.0'})
+        with urllib.request.urlopen(req, timeout=30) as response:
+            data = response.read()
+
+        # If it's an MP3, we need to convert it
+        if url.endswith('.mp3'):
+            temp_mp3 = SOUNDS_DIR / f"temp_{name}.mp3"
+            with open(temp_mp3, 'wb') as f:
+                f.write(data)
+
+            # Try to convert with ffmpeg
+            import subprocess
+            result = subprocess.run([
+                'ffmpeg', '-y', '-i', str(temp_mp3),
+                '-ar', '24000', '-ac', '1',
+                str(output_path)
+            ], capture_output=True)
+
+            temp_mp3.unlink()  # Remove temp file
+
+            if result.returncode == 0:
+                print(f"  ✓ {name}")
+                return True
+            else:
+                print(f"  ✗ {name} (ffmpeg conversion failed)")
+                return False
+        else:
+            with open(output_path, 'wb') as f:
+                f.write(data)
+            print(f"  ✓ {name}")
+            return True
+
+    except Exception as e:
+        print(f"  ✗ {name} ({e})")
+        return False
+
+def main():
+    print("Downloading sound effects for radio show soundboard...")
+    print(f"Saving to: {SOUNDS_DIR}\n")
+
+    # Check for ffmpeg
+    import subprocess
+    try:
+        subprocess.run(['ffmpeg', '-version'], capture_output=True, check=True)
+    except:
+        print("WARNING: ffmpeg not found. Install it with: brew install ffmpeg")
+        print("Some sounds may not download correctly.\n")
+
+    success = 0
+    for name, url in SOUND_URLS.items():
+        if download_sound(name, url):
+            success += 1
+
+    print(f"\nDownloaded {success}/{len(SOUND_URLS)} sounds.")
+    print("\nTo add more sounds:")
+    print("  1. Find free .wav files online")
+    print("  2. Name them according to the SOUNDBOARD mapping in radio_show.py")
+    print("  3. Place them in the sounds/ directory")
+    print("\nRecommended free sound sources:")
+    print("  - freesound.org")
+    print("  - pixabay.com/sound-effects")
+    print("  - zapsplat.com")
+    print("  - soundbible.com")
+
+if __name__ == "__main__":
+    main()