#!/usr/bin/env python3 """ Bilingual Voice Assistant - Main Entry Point Google AIY Voice Kit V1 - English/Mandarin Support AI Now Inc - Del Mar Demo Unit Laboratory Assistant: Claw 🏭 """ import os import sys import json import logging import signal import time from pathlib import Path from typing import Optional # Import components from assistant import VoiceAssistant from tts_engine import TTSEngine from speech_recognizer import BilingualSpeechRecognizer from music_player import MusicPlayer from hotword_detector import HotwordDetector # Configure logging logging.basicConfig( level=logging.INFO, format='%(asctime)s - %(name)s - %(levelname)s - %(message)s' ) logger = logging.getLogger(__name__) class VoiceAssistantApp: """ Main application class for the bilingual voice assistant. """ def __init__(self, config_path: str = "config.json"): self.config_path = Path(config_path) self.config = self._load_config() # Initialize components logger.info("Initializing voice assistant...") self.assistant = VoiceAssistant(str(self.config_path)) self.tts = TTSEngine(str(self.config_path)) self.hotword_detector = HotwordDetector(str(self.config_path).replace("config.json", "hotword_config.json")) # State self.is_running = False self.current_language = "en" self.is_awake = False # Hotword activated state # Setup signal handlers signal.signal(signal.SIGINT, self._signal_handler) signal.signal(signal.SIGTERM, self._signal_handler) logger.info("Voice assistant initialized with hotword detection") def _load_config(self) -> dict: """Load configuration.""" try: with open(self.config_path, 'r') as f: return json.load(f) except FileNotFoundError: logger.warning("Config not found, using defaults") return {} def _signal_handler(self, sig, frame): """Handle shutdown signals.""" logger.info("Shutdown signal received") self.is_running = False def run(self): """Run the voice assistant with hotword detection.""" logger.info("Starting voice assistant with hotword detection...") self.is_running = True # Welcome message welcome_text = "Voice assistant started. Say 'Hey Osiris' to activate." welcome_text_zh = "语音助手已启动。说 '你好 Osiris' 来激活。" print("\n" + "="*60) print(" 🎤 Bilingual Voice Assistant - AI Now Inc") print(" Laboratory Assistant: Claw 🏭") print("="*60) print(f"\n English: {welcome_text}") print(f" 中文：{welcome_text_zh}") print("\n Hotword: 'Hey Osiris' / '你好 Osiris'") print(" Listening for hotword... (Press Ctrl+C to stop)\n") # Speak welcome message self.tts.speak(welcome_text, "en") time.sleep(0.5) self.tts.speak(welcome_text_zh, "zh") # Set hotword callback self.hotword_detector.set_callback(self._on_hotword_detected) # Main loop - listen for hotword try: while self.is_running: # Wait for hotword print("⏳ Waiting for 'Hey Osiris'...") self.hotword_detector.detect(timeout=None) # If we get here, hotword was detected (or timeout) if not self.is_running: break time.sleep(0.5) except KeyboardInterrupt: logger.info("Interrupted by user") finally: self.shutdown() def _on_hotword_detected(self): """Callback when hotword is detected.""" print("\n🎉 Hotword detected! Listening for command...") # Awakening message awake_text = "Yes? How can I help?" awake_text_zh = "在的，有什么可以帮你？" self.tts.speak(awake_text, "en") time.sleep(0.5) self.tts.speak(awake_text_zh, "zh") # Now listen for command (simplified - would use speech recognition) try: user_input = input("Command: ").strip() if user_input: # Detect language lang = "zh" if any('\u4e00' <= c <= '\u9fff' for c in user_input) else "en" # Process command response, resp_lang = self.assistant.process_command(user_input, lang) # Output response print(f"Assistant: {response}") # Speak response self.tts.speak(response, resp_lang) except Exception as e: logger.error(f"Command processing error: {e}") def shutdown(self): """Clean shutdown.""" logger.info("Shutting down...") # Stop music if playing self.assistant.music_player.stop() # Goodbye message goodbye_text = "Goodbye!" goodbye_text_zh = "再见！" self.tts.speak(goodbye_text, "en") time.sleep(0.5) self.tts.speak(goodbye_text_zh, "zh") logger.info("Voice assistant stopped") def test_mode(): """Run in test mode with sample commands.""" print("\n" + "="*60) print(" 🧪 Test Mode - Sample Commands") print("="*60) assistant = VoiceAssistant() tts = TTSEngine() test_commands = [ ("hello", "en"), ("what time is it", "en"), ("play music", "en"), ("你好", "zh"), ("现在几点", "zh"), ("播放音乐", "zh"), ] for text, lang in test_commands: print(f"\nInput: {text} ({lang})") response, resp_lang = assistant.process_command(text, lang) print(f"Output: {response} ({resp_lang})") tts.speak(response, resp_lang) time.sleep(1) def demo_mode(): """Interactive demo mode.""" print("\n" + "="*60) print(" 🎭 Demo Mode - Try These Commands!") print("="*60) print(""" English Commands: - "hello" - "what time is it" - "play music" - "pause" - "stop" - "volume up" - "ask Claw: what is industrial control?" 中文命令: - "你好" - "现在几点" - "播放音乐" - "暂停" - "停止" - "音量大" - "问 Claw：什么是工业控制？" Type 'quit' to exit """) assistant = VoiceAssistant() tts = TTSEngine() while True: try: user_input = input("\nYou: ").strip() if user_input.lower() in ['quit', 'exit', '退出']: break if not user_input: continue # Detect language lang = "zh" if any('\u4e00' <= c <= '\u9fff' for c in user_input) else "en" # Process command response, resp_lang = assistant.process_command(user_input, lang) # Output print(f"Assistant: {response}") # Speak (optional in demo) speak_response = input("Speak? (y/n): ").strip().lower() if speak_response == 'y': tts.speak(response, resp_lang) except KeyboardInterrupt: break except Exception as e: logger.error(f"Error: {e}") print("\nDemo ended.") def main(): """Main entry point.""" import argparse parser = argparse.ArgumentParser( description="Bilingual Voice Assistant for Google AIY Voice Kit V1" ) parser.add_argument( "--mode", choices=["run", "test", "demo"], default="demo", help="Operation mode: run, test, or demo" ) parser.add_argument( "--config", default="config.json", help="Path to configuration file" ) args = parser.parse_args() if args.mode == "test": test_mode() elif args.mode == "demo": demo_mode() else: app = VoiceAssistantApp(args.config) app.run() if __name__ == "__main__": main()