voice_nora.py aktualisiert

voice_nora.py

@@ -1,142 +1,238 @@
 import asyncio
 import os
+import time
+import traceback
 from pathlib import Path
+
 import numpy as np
 import pyaudio
+import webrtcvad
 from openwakeword.model import Model
 from faster_whisper import WhisperModel
 from edge_tts import Communicate
-import wave
-import webrtcvad  # Für bessere Sprach-Erkennung
 
 from agent import Agent
 from util.logger import get_logger
 
-logger = get_logger("VOICE")
+logger = get_logger("NORA")
 
 
+# =========================
+# CONFIG
+# =========================
+WAKEWORD = "nora"
+WAKE_THRESHOLD = 0.60
+
+SAMPLE_RATE = 16000
+FRAME_SIZE = 1024
+
+VAD_MODE = 3  # 0-3 (3 = aggressiv)
+MAX_RECORD_SEC = 12
+SILENCE_LIMIT = 25  # frames
+
+TTS_VOICE = "de-DE-AmalaNeural"
+
+MODEL_PATH = Path.home() / ".cache/openwakeword/models/hey_jarvis_v0.1.tflite"
+
+
+# =========================
+# VOICE ASSISTANT CORE
+# =========================
 class VoiceNora:
     def __init__(self):
+        logger.info("Initialisiere N.O.R.A...")
+
         self.agent = Agent()
-        self.vad = webrtcvad.Vad(3)
+        self.running = True
 
-        # === Wakeword Modell mit korrektem Pfad ===
+        # ---- VAD ----
-        model_dir = Path.home() / ".cache" / "openwakeword" / "models"
+        self.vad = webrtcvad.Vad(VAD_MODE)
 
-        self.ww_model = Model(
+        # ---- Wakeword Model ----
-            wakeword="nora",
+        self.ww_model = self._load_wakeword_model()
-            model_paths={
-                "nora": str(model_dir / "hey_jarvis_v0.1.tflite")
 
-            },
+        # ---- Whisper STT ----
-            inference_framework="tflite"
+        self.stt = WhisperModel(
+            "tiny",
+            device="cpu",
+            compute_type="int8"
         )
 
+        logger.info("N.O.R.A bereit ✔")
+        logger.info(f"Wakeword: {WAKEWORD}")
+        logger.info(f"Model: {MODEL_PATH}")
 
-        # STT
+    # =========================
-        self.stt_model = WhisperModel("tiny", device="cpu", compute_type="int8")
+    # INIT HELPERS
+    # =========================
+    def _load_wakeword_model(self):
+        logger.info("Lade Wakeword-Modell...")
 
-        print("\n🎤 Voice N.O.R.A gestartet")
+        if not MODEL_PATH.exists():
-        print("   Wakeword: 'Nora'")
+            logger.error(f"Model nicht gefunden: {MODEL_PATH}")
-        print("   Weibliche Stimme aktiviert\n")
+            raise FileNotFoundError(MODEL_PATH)
 
-    async def listen_for_wakeword(self):
-        pa = pyaudio.PyAudio()
-        stream = pa.open(format=pyaudio.paInt16, channels=1, rate=16000,
-                         input=True, frames_per_buffer=1024)
-
-        print("⏳ Lausche auf 'Nora'...")
-
-        while self.running:
         try:
-                audio_chunk = stream.read(1024, exception_on_overflow=False)
+            model = Model(
-                audio_np = np.frombuffer(audio_chunk, dtype=np.int16)
+                wakeword_models=[str(MODEL_PATH)]
+            )
+            logger.info("Wakeword-Modell geladen ✔")
+            return model
 
-                if self.ww_model.predict(audio_np).get("nora", 0) > 0.58:
+        except Exception as e:
-                    print("\n✅ 'Nora' erkannt!")
+            logger.error("Fehler beim Laden des Wakeword-Modells")
-                    await self.process_voice_command()
+            logger.error(str(e))
-            except:
+            raise
-                pass
 
+    # =========================
+    # AUDIO STREAM
+    # =========================
+    def _open_stream(self):
+        pa = pyaudio.PyAudio()
+        stream = pa.open(
+            format=pyaudio.paInt16,
+            channels=1,
+            rate=SAMPLE_RATE,
+            input=True,
+            frames_per_buffer=FRAME_SIZE
+        )
+        return pa, stream
+
+    # =========================
+    # MAIN LOOP
+    # =========================
+    async def run(self):
+        logger.info("Starte Audio-Loop...")
+
+        pa, stream = self._open_stream()
+
+        try:
+            while self.running:
+                audio = stream.read(FRAME_SIZE, exception_on_overflow=False)
+                audio_np = np.frombuffer(audio, dtype=np.int16)
+
+                try:
+                    result = self.ww_model.predict(audio_np)
+
+                    score = max(result.values()) if result else 0.0
+
+                    if score > WAKE_THRESHOLD:
+                        logger.info(f"Wakeword erkannt (score={score:.2f})")
+                        await self.handle_command()
+
+                except Exception as e:
+                    logger.error(f"Wakeword Fehler: {e}")
+
+        except KeyboardInterrupt:
+            logger.info("Beende N.O.R.A...")
+
+        finally:
             stream.stop_stream()
             stream.close()
             pa.terminate()
 
-    async def process_voice_command(self):
+    # =========================
-        print("🎤 Ich höre zu... (sprich natürlich)")
+    # COMMAND FLOW
+    # =========================
+    async def handle_command(self):
+        logger.info("Aufnahme startet...")
 
-        audio_data = await self.record_with_vad(max_duration=12)
+        audio = await self.record_until_silence()
 
-        if len(audio_data) < 8000:  # zu kurz
+        if len(audio) < 8000:
-            print("❌ Zu kurz.")
+            logger.warning("Audio zu kurz")
             return
 
-        # STT
+        text = await self.transcribe(audio)
-        segments, _ = self.stt_model.transcribe(
-            audio_data, language="de", beam_size=5, vad_filter=True
-        )
-        text = " ".join(segment.text for segment in segments).strip()
 
         if not text:
-            print("❌ Konnte nichts verstehen.")
+            logger.warning("Keine Sprache erkannt")
             return
 
-        print(f"👤 Du: {text}")
+        logger.info(f"USER: {text}")
 
         response = await self.agent.run(text)
-        print(f"🗣️ N.O.R.A: {response}")
+
+        logger.info(f"NORA: {response}")
 
         await self.speak(response)
 
-    async def record_with_vad(self, max_duration=12):
+    # =========================
-        """Aufnahme mit Sprach-Erkennung (endet wenn du aufhörst zu sprechen)"""
+    # RECORDING (VAD)
-        pa = pyaudio.PyAudio()
+    # =========================
-        stream = pa.open(format=pyaudio.paInt16, channels=1, rate=16000,
+    async def record_until_silence(self):
-                         input=True, frames_per_buffer=320)
+        pa, stream = self._open_stream()
 
         frames = []
-        silence_count = 0
+        silence = 0
-        max_silence = 25  # ca. 1,5 Sekunden Stille
 
-        for _ in range(int(16000 / 320 * max_duration)):
+        max_frames = int(SAMPLE_RATE / FRAME_SIZE * MAX_RECORD_SEC)
-            chunk = stream.read(320, exception_on_overflow=False)
+
+        for _ in range(max_frames):
+            chunk = stream.read(FRAME_SIZE, exception_on_overflow=False)
             frames.append(chunk)
 
-            # VAD prüfen
+            is_speech = self.vad.is_speech(chunk, SAMPLE_RATE)
-            is_speech = self.vad.is_speech(chunk, 16000)
-            if not is_speech:
-                silence_count += 1
-            else:
-                silence_count = 0
 
-            if silence_count > max_silence and len(frames) > 30:
+            if is_speech:
-                break  # aufhören wenn lange Stille
+                silence = 0
+            else:
+                silence += 1
+
+            if silence > SILENCE_LIMIT and len(frames) > 20:
+                break
 
         stream.stop_stream()
         stream.close()
         pa.terminate()
 
-        return b''.join(frames)
+        return b"".join(frames)
 
+    # =========================
+    # STT
+    # =========================
+    async def transcribe(self, audio_bytes):
+        try:
+            segments, _ = self.stt.transcribe(
+                audio_bytes,
+                language="de",
+                beam_size=5
+            )
+
+            text = " ".join([s.text for s in segments]).strip()
+            return text
+
+        except Exception as e:
+            logger.error("STT Fehler")
+            logger.error(traceback.format_exc())
+            return ""
+
+    # =========================
+    # TTS
+    # =========================
     async def speak(self, text: str):
-        """Edge TTS - weibliche Stimme"""
         try:
-            communicate = Communicate(text, voice="de-DE-AmalaNeural")  # Weiblich, natürlich
+            filename = f"response_{int(time.time())}.mp3"
 
-            await communicate.save("response.mp3")
+            tts = Communicate(text, voice=TTS_VOICE)
-            os.system("mpg123 -q response.mp3")
+            await tts.save(filename)
+
+            os.system(f"mpg123 -q {filename}")
+
+            os.remove(filename)
 
         except Exception as e:
-            logger.error(f"TTS Fehler: {e}")
+            logger.error("TTS Fehler")
+            logger.error(traceback.format_exc())
 
+
+# =========================
+# MAIN
+# =========================
 async def main():
-    voice = VoiceNora()
+    nora = VoiceNora()
-    try:
+    await nora.run()
-        await voice.listen_for_wakeword()
+
-    except KeyboardInterrupt:
-        print("\n\n👋 N.O.R.A wird beendet.")
-    except Exception as e:
-        logger.error(str(e))
 
 if __name__ == "__main__":
     asyncio.run(main())